FR2865689A1 - Gear shifting control device for vehicle, has intermediate reversing lever inserted in flexible material unit maintained inside rigid unit, where units freely moves around lever to constitute rammer that dampens received excitations - Google Patents

Gear shifting control device for vehicle, has intermediate reversing lever inserted in flexible material unit maintained inside rigid unit, where units freely moves around lever to constitute rammer that dampens received excitations Download PDF

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Publication number
FR2865689A1
FR2865689A1 FR0450165A FR0450165A FR2865689A1 FR 2865689 A1 FR2865689 A1 FR 2865689A1 FR 0450165 A FR0450165 A FR 0450165A FR 0450165 A FR0450165 A FR 0450165A FR 2865689 A1 FR2865689 A1 FR 2865689A1
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France
Prior art keywords
lever
control device
excitations
received
control
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Granted
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FR0450165A
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French (fr)
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FR2865689B1 (en
Inventor
Christophe Develay
Loic Bouttier
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Renault SAS
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Renault SAS
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Publication of FR2865689B1 publication Critical patent/FR2865689B1/en
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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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/0208—Selector apparatus with means for suppression of vibrations or reduction of noise
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • F16H2061/246—Additional mass or weight on shift linkage for improving feel

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The device has an intermediate reversing lever (1) between an inner control lever (2) of a gearbox and an outer control lever (3) coupled to a lever that changes driving speed. The reversing lever is inserted in a flexible material unit (11) maintained inside a rigid unit (9). The units (9, 11) freely move around the lever (1) to constitute a rammer damping received excitations, independently of control movements.

Description

DISPOSITIF DE CO MÏMANbE DE PASSAGE DE VITESSESSPEED TRANSMISSION CO DEVICE

La présente invention concerne le problème de la remontée des efforts issus d'un mécanisme de changement de vitesses, par le système de commande manuel associé à celle-ci.  The present invention relates to the problem of the recovery of the forces resulting from a shifting mechanism, by the manual control system associated therewith.

Plus précisément, elle a pour objet ûn dispositif de commande de vitesses comprenant un levier intermédiaire de renvoi entre un levier de commande interne de la boîte et un organe de commande externe relié au levier de changement de vitesses du conducteur.  More specifically, it relates to a speed control device comprising an intermediate return lever between an internal control lever of the box and an external control member connected to the shifter lever of the driver.

Les remontées d'efforts du mécanisme de changement de vitesses vers le levier de changement de vitesses du conducteur proviennent essentiellement des chocs ou' K craquements liés au fonctionnement des dispositifs de synchronisation ou synchroniseurs de la boite. Dans un synchroniseur de conception conventionnelle, ces chocs se produisent notamment pendant la phase dite de vol libre, ou la denture du baladeur se déplace en direction du pignon fou à synchroniser, après avoir traversé l'anneau de synchronisation.  The upward forces of the gearshift mechanism to the gearshift lever of the driver mainly come from shocks or crunches related to the operation of the synchronization devices or synchronizers of the box. In a conventional design synchronizer, these shocks occur especially during the so-called free flight phase, where the toothing of the player moves towards the idler gear to synchronize, after having passed through the synchronization ring.

De façon générale, il est possible d'identifier des plages de fréquences dans lesquelles sont situées les remontées d'efforts d'un mécanisme de changement de vitesses, vers un levier de changement de vitesses.  In general, it is possible to identify frequency ranges in which are located the upward forces of a gearshift mechanism to a shift lever.

La présente invention vise à améliorer la prestation de passage de vitesses d'une boite mécanique, en filtrant ou en amortissant les remontées d'effort de celle-ci vers le levier du conducteur.  The present invention aims to improve the performance of shifting of a mechanical gearbox, by filtering or damping the lift of force thereof to the driver's lever.

Selon un premier mode de réalisation, l'invention propose d'intégrer à la comffiande de la boite un batteur, et selon un second, elle propose d'intégrer à celle-ci un filtre.  According to a first embodiment, the invention proposes to integrate in the comffiande of the box a drummer, and according to a second, it proposes to integrate therewith a filter.

D'autres caracteristiques et avantages de la présente invention appareitrorit plus clairement à la lecture de la description suivante des deux modes de réalisation proposés, en se reportant aux dessins annexés sur lesquels: - la figure 1 illustre le premier mode de réalisation proposé, et - les figures 2 et 2A illustrent le second.  Other features and advantages of the present invention will be more clearly apparent on reading the following description of the two proposed embodiments, with reference to the accompanying drawings in which: FIG. 1 illustrates the first proposed embodiment, and Figures 2 and 2A illustrate the second.

Sur la figure 1, on a représenté un levier de renvoi 1 articulé à une première extrémité la sur un levier de commande interne 2 d'une boite de vitesses 4, portant doigt de passage de vitesse 6 peut s'engager de façon classique dans un crabot 7 pour sélectionner. une ligne de vitesses en réponse à un mouvement de translation du levier de commande, et engager une vitesse de la ligne sélectionnée en déplaçant ce crabot en réponse à un mouvement de rotation du levier de commande interne 2, ou à l'inverse sélectionner les lignes de vitesses en rotation, et engager ou passer les vitesses en translation. Un organe de commande externe sous forme d'un câble souple où d'une barre rigide, est fixé à la s-ecende extrémité lb du levier de renvoi 1, par exemple sur une rotule lc L'organe 3 est relié à un levier de changement de vitesses (non représenté), situé dans l'habitacle du véhicule, au poste de conduite.  FIG. 1 shows a return lever 1 hinged at a first end 1a on an internal control lever 2 of a gearbox 4, carrying a speed-passing finger 6 which can engage in a conventional manner in a dog 7 to select. a speed line in response to a translational movement of the control lever, and engage a speed of the selected line by moving this dog in response to a rotational movement of the internal control lever 2, or conversely select the lines rotational speeds, and engage or shift gears in translation. An external control member in the form of a flexible cable or a rigid bar, is fixed to the s-end end lb of the return lever 1, for example on a ball joint lc The member 3 is connected to a lever of shifting (not shown), located in the passenger compartment of the vehicle, at the driving position.

Conformément à l'invention, le dispositif de commande illustré par la figure 1, comporte un batteur 8, comprenant un élément rigide 9 qui lui donne l'essentiel de sa masse, et qui renferme un élément intérieur 11 en matériau souple tel que du caoutchouc, ou tout autre matériau élastomère. Le levier de renvoi 1 traverse le matériau souple 11, sans être en contact avec l'élément rigide 9 Le batteur 8 n'est en contact avec aucun autre élément de la boite ou de la commande que le levier de renvoi 1, de manière â pouvoir ?< battre librement autour de ce dernier, pour amortir les remontées d'efforts du mécanisme de commande interne de la boîte.  According to the invention, the control device illustrated in FIG. 1 comprises a mixer 8, comprising a rigid element 9 which gives it the bulk of its mass, and which encloses an inner element 11 made of a flexible material such as rubber , or any other elastomeric material. The return lever 1 passes through the flexible material 11, without being in contact with the rigid element 9 The mixer 8 is in contact with no other element of the box or the control that the return lever 1, so can <beat freely around the latter, to dampen the upward forces of the internal control mechanism of the box.

Le batteur 8 est donc une pièce indépendante de la cinématique de la commande. Il réagit à sa propre fréquence, aux excitations reçues, en suivant le levier 1 dans ses déplacements, sans intervenir directement dans sa manoeuvre. L'élément souple 11 et l'élément rigide 9 débattent librement ainsi autour du levier de renvoi 1, de manière â constituer un batteur 8 amortissant les excitations reçues, indépendamment des déplacements de la commande.  The drummer 8 is a piece independent of the kinematics of the command. He reacts to his own frequency, the excitations received, following the lever 1 in his movements, without intervening directly in his maneuver. The flexible element 11 and the rigid element 9 and freely debate around the return lever 1, so as to constitute a drummer 8 damping the excitations received, regardless of the movements of the control.

Pour obtenir l'amortissement souhaité, on identifie les plages de fréquences critiques, dans lesquelles les remontées d'efforts vers le levier de changement de vitesses sont les plus sensibles. On peut ensuite caler sur le levier de renvoi 1, un batteur, dont la raideur et la masse sont ajustées de manière à amortir les vibrations dans les plages de fréquence critiques.  To obtain the desired damping, the critical frequency ranges are identified, in which the increases of forces towards the shifting lever are the most sensitive. Then can be stalled on the return lever 1, a drummer, whose stiffness and mass are adjusted to damp the vibration in the critical frequency ranges.

Dans le second mode de réalisation proposé, illustré par les figures 2 et 2A, l'extrémité lb du levier de renvoi 1 est noyée dans le matériau souple 11, et l'organe de commande externe 3 peut être accroché directement sur l'élément rigide 12 renfermant le matériau souple 11. On réalise ainsi un filtre 13 qui est intégré dans la cinématique de la commande, car l'élément rigide 12 appartient à celle-ci. Le filtre 13 constitue ainsi un élément de moindre raideur intégré dans la commande, qui réduit toutes les excitations subies, au dessus d'un seuil de fréquence.  In the second proposed embodiment, illustrated by FIGS. 2 and 2A, the end 1b of the return lever 1 is embedded in the flexible material 11, and the external control member 3 can be hooked directly onto the rigid element 12 which contains the flexible material 11. This produces a filter 13 which is integrated in the kinematics of the control, since the rigid element 12 belongs to it. The filter 13 thus constitutes an element of less stiffness integrated in the control, which reduces all the excitations undergone, above a frequency threshold.

Conformément à l'invention, la masse de l'élément rigide 9 et la raideur de l'élément souple 11 du batteur 8 sont déterminées de manière à amortir les excitations reçues dans des plages de fréquences correspondant aux principales remontées d'effort du mécanisme de commande interne de la boîte.  According to the invention, the mass of the rigid element 9 and the stiffness of the flexible element 11 of the mixer 8 are determined so as to damp the excitations received in the frequency ranges corresponding to the main force lifts of the mechanism of internal control of the box.

be façon analogue, la plage de fréquences filtrées par le filtre 13 inclut celles des principales remontées d'efforts en provenance du mécanisme de commande interne de la boite.  Similarly, the range of frequencies filtered by the filter 13 includes those of the main lift forces from the internal control mechanism of the box.

En conclusion, il faut souligner que l'intérêt de l'invention est d'introduire dans la commande des passages de vitesses un batteur ou un filtre qui permet de réduire les remontées d'efforts de la commande interne de la, boite vers le levier du conducteur, sans rnodification majeure des moyens de commande. Conformément à l'invention le levier est inséré dans un élément en matériau souple maintenu à l'intérie'u'r d'un élément rigide. bans le cas du batteur, le. lestage du levier de renvoi intermédiaire permet d'amortir les excitations transmises dans des plages de fréquences identifiées, sans incidence sur là précision de la commande. bans le cas du filtre, la plage de fréquences traitées est en principe plus étendue qu'avec un batteur, car cette plage n'est pas limitée vers les hautes fréquences. En revanche, on peut faire au filtre le reproche d'avoir un effet négatif sur la précision de la commande à cause de l'introduction d'un élément de liaison souple dans sa cinématique, ce qui n'est pas le cas du batteur.  In conclusion, it should be emphasized that the advantage of the invention is to introduce into the control gear shifts a drummer or a filter that reduces the upward forces of the internal control of the box to the lever of the driver, without major modification of the control means. According to the invention the lever is inserted into a flexible material element held inside a rigid element. in the case of the drummer, the. Weighting of the intermediate return lever makes it possible to damp the excitations transmitted in identified frequency ranges, without affecting the precision of the control. In the case of the filter, the range of frequencies processed is in principle more extensive than with a mixer, since this range is not limited to high frequencies. On the other hand, the filter can be blamed for having a negative effect on the accuracy of the control because of the introduction of a flexible connecting element in its kinematics, which is not the case of the drummer.

Claims (6)

REVÈ FbrCATI NS 1. Dispositif de commande de vitesse comprenant un levierFBRCATI NS DRIVE 1. Speed control device including a lever intermédiaire de renvoi (1) entre un levier de commande interne (2) d'une la boîte de vitesses et un organe de commande externe (3) relié au levier de changement de vitesses du conducteur, caractérisé en ce que le levier de renvoi intermédiaire est inséré dans un élément en matériau sôupie (11) maintenu à l'intérieur d'un élément rigide (9, 12).  intermediate intermediate (1) between an internal control lever (2) of a gearbox and an external control member (3) connected to the gearshift lever of the driver, characterized in that the intermediate gear lever is inserted into an element of sôupie material (11) held inside a rigid element (9, 12). 2. Dispositif de commande selon la revendication 1, caractérisé en ce que l'élément souple (11) et l'élément rigide (9) débattent librement autour du levier de renvoi (1), de manière à constituer un batteur (8) amortissant les excitations reçues, indépendamment des déplacements de la commande.  2. Control device according to claim 1, characterized in that the flexible element (11) and the rigid element (9) freely engage around the return lever (1), so as to form a drummer (8) damping the excitations received, regardless of the movements of the command. 3. Dispositif de commande selon la revendication 1, caractérisé en ce que l'élément rigide (12) est intégré dans la cinématique de la commande.  3. Control device according to claim 1, characterized in that the rigid element (12) is integrated in the kinematics of the control. 4. Dispositif de commande selon la revendication 3, caractérisé en ce que l'organe de commande externe (3) est 20 'accroché directement sur l'élément rigide (12)  4. Control device according to claim 3, characterized in that the external control member (3) is hooked directly onto the rigid element (12). 5. Dispositif de commande selon la revendication 1 ou 2, caractérisé en ce que la masse de l'élément rigide (9) et la raideur de ('élément souple (11) sont déterminées de manière â amortir les excitations reçues dans des plages de fréquences correspondant aux principales remontées d'effort du mécanisme de commande interne de la boîte.5. Control device according to claim 1 or 2, characterized in that the mass of the rigid element (9) and the stiffness of the flexible element (11) are determined so as to damp the excitations received in ranges of frequencies corresponding to the main lift of force of the internal control mechanism of the box. 6. Dispositif de commande selon la revendication 3 ou 4 caractérisé en ce que la plage "de fré uences filtrées inclut celles des principales remontées d'effort en> provenance du mécaniSMe de commande interné de la boîte. . . . .  6. Control device according to claim 3 or 4, characterized in that the range of filtered frequencies includes those of the main lifts coming from the internal control mechanism of the box.
FR0450165A 2004-01-29 2004-01-29 DEVICE FOR CONTROLLING PASSAGE OF SPEEDS Expired - Fee Related FR2865689B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927139A3 (en) * 2008-02-06 2009-08-07 Renault Sas Vibration attenuating device for gearbox control module of motor vehicle, has sleeve and rings are elastic, such that sleeve and rings carry out dampening connection between inertia mass and fixation shaft
EP2014957A3 (en) * 2007-07-13 2009-12-02 GM Global Technology Operations, Inc. Actuation device for the gearbox in a motor vehicle
WO2014199049A1 (en) * 2013-06-12 2014-12-18 Dura Automotive Systems Sas Pivoting assembly mounted on a motor vehicle gearbox for shifting and selecting gears

Citations (8)

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DE2658019A1 (en) * 1976-12-22 1978-07-06 Daimler Benz Ag Vehicle gear change linkage vibration damper - has energy absorbing elastic elements connected to mass within tube with diaphragm holders
US4722428A (en) * 1984-09-27 1988-02-02 Honda Giken Kogyo Kabushiki Kaisha Vibration isolator for clutch control system
JPH01279132A (en) * 1988-04-28 1989-11-09 Nippon Cable Syst Inc Vibration prevention device for control cable system
US4953672A (en) * 1988-04-28 1990-09-04 Nippon Cable System, Inc. Control cable system with device for reducing vibration
US5299669A (en) * 1990-11-28 1994-04-05 Diehl Gmbh & Co. Vibration eliminator
US5597566A (en) * 1992-05-06 1997-01-28 Ford Motor Company Vibration damping universal joint
DE19901074A1 (en) * 1999-01-14 2000-07-27 Daimler Chrysler Ag Sliding selector shaft clutch in two halves joins two halves of shaft and comprises hollow body, transverse body and damper units
EP1091149A2 (en) * 1999-10-07 2001-04-11 Bayerische Motoren Werke Aktiengesellschaft Damper for shift linkage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658019A1 (en) * 1976-12-22 1978-07-06 Daimler Benz Ag Vehicle gear change linkage vibration damper - has energy absorbing elastic elements connected to mass within tube with diaphragm holders
US4722428A (en) * 1984-09-27 1988-02-02 Honda Giken Kogyo Kabushiki Kaisha Vibration isolator for clutch control system
JPH01279132A (en) * 1988-04-28 1989-11-09 Nippon Cable Syst Inc Vibration prevention device for control cable system
US4953672A (en) * 1988-04-28 1990-09-04 Nippon Cable System, Inc. Control cable system with device for reducing vibration
US5299669A (en) * 1990-11-28 1994-04-05 Diehl Gmbh & Co. Vibration eliminator
US5597566A (en) * 1992-05-06 1997-01-28 Ford Motor Company Vibration damping universal joint
DE19901074A1 (en) * 1999-01-14 2000-07-27 Daimler Chrysler Ag Sliding selector shaft clutch in two halves joins two halves of shaft and comprises hollow body, transverse body and damper units
EP1091149A2 (en) * 1999-10-07 2001-04-11 Bayerische Motoren Werke Aktiengesellschaft Damper for shift linkage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0140, no. 52 (M - 0928) 30 January 1990 (1990-01-30) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2014957A3 (en) * 2007-07-13 2009-12-02 GM Global Technology Operations, Inc. Actuation device for the gearbox in a motor vehicle
FR2927139A3 (en) * 2008-02-06 2009-08-07 Renault Sas Vibration attenuating device for gearbox control module of motor vehicle, has sleeve and rings are elastic, such that sleeve and rings carry out dampening connection between inertia mass and fixation shaft
WO2014199049A1 (en) * 2013-06-12 2014-12-18 Dura Automotive Systems Sas Pivoting assembly mounted on a motor vehicle gearbox for shifting and selecting gears
US20160153555A1 (en) * 2013-06-12 2016-06-02 Dura Automotive Systems Sas Pivoting assembly mounted on a motor vehicle gearbox for shifting and selecting gears

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