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EP0975904A1 - Boite de vitesses avec arbre de selection central - Google Patents

Boite de vitesses avec arbre de selection central

Info

Publication number
EP0975904A1
EP0975904A1 EP98948995A EP98948995A EP0975904A1 EP 0975904 A1 EP0975904 A1 EP 0975904A1 EP 98948995 A EP98948995 A EP 98948995A EP 98948995 A EP98948995 A EP 98948995A EP 0975904 A1 EP0975904 A1 EP 0975904A1
Authority
EP
European Patent Office
Prior art keywords
shift
central
shaft
central control
control shaft
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.)
Withdrawn
Application number
EP98948995A
Other languages
German (de)
English (en)
Inventor
Erich Bollmann
Frank Melchers
Siegfried GÖRNITZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kochendorfer and Kiep Metallverarbeitung GmbH
Original Assignee
Kochendorfer and Kiep Metallverarbeitung GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kochendorfer and Kiep Metallverarbeitung GmbH filed Critical Kochendorfer and Kiep Metallverarbeitung GmbH
Publication of EP0975904A1 publication Critical patent/EP0975904A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/24Providing feel, e.g. to enable selection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H2057/0056Mounting parts arranged in special position or by special sequence, e.g. for keeping particular parts in his position during assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/24Providing feel, e.g. to enable selection
    • F16H2061/242Mechanical shift gates or similar guiding means during selection and shifting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/08Multiple final output mechanisms being moved by a single common final actuating mechanism
    • F16H63/20Multiple final output mechanisms being moved by a single common final actuating mechanism with preselection and subsequent movement of each final output mechanism by movement of the final actuating mechanism in two different ways, e.g. guided by a shift gate
    • F16H2063/208Multiple final output mechanisms being moved by a single common final actuating mechanism with preselection and subsequent movement of each final output mechanism by movement of the final actuating mechanism in two different ways, e.g. guided by a shift gate using two or more selecting fingers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H2063/3076Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/34Locking or disabling mechanisms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/38Detents

Definitions

  • the invention relates to a transmission with a central shift shaft in a housing and actuating elements associated therewith for axially displacing and rotating the central shift shaft, on which shift fingers are arranged for actuating shift forks.
  • a part of such a transmission is shown for example in DE-AS 11 22 385, where it is mentioned that - 2 -
  • the shift fork can either be actuated by a shift shaft that moves the shift rod with the attached shift fork by means of a lever, or the shift actuation can also be initiated directly into the shift fork, as is common with the so-called stick shift.
  • the object of the present invention is to improve a transmission of the type mentioned above in such a way that the components are minimized and made lighter and the comfort is increased.
  • the central control shaft consists of a tube.
  • the central selector shaft has been made of solid material.
  • a tube has the advantage that, on the one hand, weight is saved, so that the diameter of the central selector shaft can be kept larger despite the reduced weight when selecting a tube. Furthermore, it is possible to provide an inner bearing of the central shift shaft in the tube, so that all bearing parts for the tube itself have already disappeared from the area of the other elements of the transmission.
  • the tube is preferably at least partially hardened, so that its strength is completely sufficient for its function.
  • Another essential idea of the present invention relates to the functional reliability of the transmission. There is an increasing demand that only one shift fork be actuated when shifting the transmission, while the other shift forks are fixed. However, such a definition is not yet known. - 3 -
  • the shift forks are fixed by the central shaft itself.
  • supports are provided on the drivers on which the shift forks are fixed, which are seated on the circumference of the central shift shaft when the shift forks are not actuated.
  • These supports preferably lie opposite one another in a region of the elbow and, in the position of use in which they are not actuated, maintain a distance from the longitudinal axis of the central shift shaft which corresponds approximately to the radius of the central shift shaft. This means that the drivers cannot move in this position of use, so that the shift forks assigned to them are at rest.
  • the supports also reach a region of recesses which are provided in the central shift shaft in the plane of the shift finger. This means that the supports can slide into this recess when the shift finger is moved, so that the shift fork is now able to move.
  • This idea of the present invention can also be used with a central shift shaft made of solid material, but should preferably be used with a central shift shaft which is designed as a tube.
  • Another idea of the present invention relates to an improvement in the setting options of the transmission.
  • Settings must be made on the gearbox that relate, for example, to the arrangement of the actuating elements, the arrangement of the gear wheels, the arrangement of the shift forks, etc. In many such activities, it is desirable that the central shift shaft be fixed. - 4 -
  • a pin is provided according to the invention, which can be inserted into a hole in this central switching shaft in order to fix the central switching shaft.
  • this insertion takes place against the force of a spring and upon rotation of the bolt by approximately 90 °, a transverse bolt sliding like a bayonet into a notch in a guide sleeve at the tip of a sloping surface of this guide sleeve.
  • the bolt is again rotated by approximately 90 °, and is withdrawn from the bore of the central shift shaft under the force of the spring.
  • the bolt preferably remains in a backdrop that limits the switching path of the central shift shaft.
  • This backdrop is in turn molded into a pot that is placed on the central control shaft.
  • the pot also has detents that interact with a corresponding ball catch so that the central shift shaft can be fixed in individual gears.
  • the transmission according to the invention can have two types of actuating elements.
  • One type is the actuation by means of log trains.
  • these building trains are connected with levers that allow axial displacement and rotation of the central shift shaft.
  • a lever is clamped with an end piece between two ends of a metal strip that is folded around the central selector shaft.
  • This sheet metal strip is fixed in this position by two plates pushed onto the central selector shaft from each side, which are in engagement with parts of the sheet metal strip.
  • An end piece of the other lever can in turn be clamped between these two plates.
  • Such a connection is easy to make and very functional.
  • this shift rod is articulated with a pipe piece in the context of the present invention.
  • a ball head which is connected to the central switching shaft via a connecting element.
  • FIG. 1 shows a cross section through a transmission according to the invention
  • FIG. 2 shows a cross section through a section of the transmission according to FIG. 1, in particular from the area of a central shift shaft;
  • FIGS 3a and 3b plan views of the central selector shaft from two directions
  • Figures 4a and 4b sections of the transmission from the area of the coupling between a shift finger on the central shift shaft and a driver in two positions of use;
  • FIG. 5 shows an enlarged section of the transmission from the area of a device for fixing the central shift shaft
  • Figures 6a to 6d different views of a pot to limit a switching path or a detent
  • Figures 7a to 7c top views of individual parts and a synopsis of an actuating element for a central switching shaft.
  • a transmission has a housing 1 in which a central shift shaft 2 is located.
  • This central control shaft 2 is designed as a tube, a bolt 3 or 4 engaging in the central control shaft 2 at each end.
  • Each bolt 3 or 4 is supported - 7 - an inner bearing 5 or 6 against an inner wall 7 of the central shift shaft 2.
  • Shift fingers 8 and 9 are located on the central shift shaft 2, the shift finger 9 being in engagement with a driver 10 for actuating a shift fork 11.
  • the shift finger 8 is outside of an engagement in a driver.
  • the shift finger 9 can also be brought into engagement with a further driver 12, via which a further shift fork 13 can be moved on a shift rod 14.
  • the central shift shaft 2 is movable in the direction of its longitudinal axis A; it is also rotatable to a certain extent about its longitudinal axis A. Two options are indicated for these movements in the present exemplary embodiment. On the one hand, the movement can take place via a shift rod 15, which is inserted into a pipe piece 16 and secured there by means of a cross bolt 17. Compared to the shift rod 15, the tubular piece 16 rotates a spherical head 18 which is fixed to the central shift shaft 2 via a connection 19.
  • plates 27 In the bent use position, plates 27 abut the sheet metal strips 25 from both sides, one plate being shown in FIG. 7b.
  • the plate 27 has notches 28.1 and 28.2 which are plugged onto the ends 24.1 and 24.2 of the metal strip 25 in the folded state. Furthermore, the plate 27 has two slots 29.1 and 29.2 into which projections 30.1 and 30.2 of the metal strip 25 are inserted.
  • the two plates 27 hold the end piece 23 of the second building train between them.
  • a pot 31 is placed, which is shown in more detail in Figures 6a to 6d.
  • the pot 31 has a shaft 32 which, in the position of use, sits closely on the central switching shaft 2 and is riveted to the latter.
  • the pot opens, a gate 34 for limiting the switching path of the central switching shaft 2 and a detent 35 being formed in its wall 33. It can be seen in FIG. 2 that the detent 35 interacts with a ball catch 36 which is mounted fixed to the housing.
  • a pin 37 engages in the setting 34, which is at the same time a component of a device 38 for fixing the central shift shaft 2.
  • This bolt 37 not only passes through the link 34, but can also engage in a bore 39 in the central control shaft 2 or in a disc 40, shown in FIG. 5, which is attached to the central control shaft 2. In this way, the central shift shaft 2 is fixed, which is necessary, for example, for various setting operations of the transmission.
  • the bolt 37 also slides in a guide sleeve 45, which ends in the transmission in front of the backdrop 34 with an inclined surface 46.
  • a cross bolt 47 which crosses the bolt 37, is supported against the inclined surface 46. If the handle 44 is rotated by approximately 90 °, the bolt 37 m slides into the bore 39, and the transverse bolt 47 slides into a notch 48 at the tip of the guide sleeve 45, so that the bolt 37 is held in this position.
  • the central switching shaft 2 is designed as a tube. It has holes 51 and 52 for fixing the pot 31 and the sheet metal strip 25. Furthermore, the shift fingers 8 and 9 are welded onto it.
  • the central shift shaft 2 should have recesses 53.1, 53.2 and 54.1, 54.2. These recesses have the following functions:
  • Recess 54.1 only permits displacement of driver 10 at all.
  • Both supports 57 and 58 have a rounded sliding surface 59 and 60.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Steroid Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

L'invention concerne une boîte de vitesses comportant un arbre de sélection central (2), dans un boîtier (1), et des éléments d'actionnement associés à cet arbre pour assurer le coulissement et la rotation axiale de cet arbre de sélection central (2), sur lequel sont montés des doigts de sélection (8, 9) servant à actionner des fourchettes de sélection (11, 13). Selon l'invention, l'arbre de sélection central (2) est constitué d'un tube.
EP98948995A 1998-02-13 1998-09-30 Boite de vitesses avec arbre de selection central Withdrawn EP0975904A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19805924 1998-02-13
DE1998105924 DE19805924A1 (de) 1998-02-13 1998-02-13 Getriebe
PCT/EP1998/006192 WO1999041529A1 (fr) 1998-02-13 1998-09-30 Boite de vitesses avec arbre de selection central

Publications (1)

Publication Number Publication Date
EP0975904A1 true EP0975904A1 (fr) 2000-02-02

Family

ID=7857619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98948995A Withdrawn EP0975904A1 (fr) 1998-02-13 1998-09-30 Boite de vitesses avec arbre de selection central

Country Status (4)

Country Link
EP (1) EP0975904A1 (fr)
AU (1) AU9541698A (fr)
DE (3) DE19805924A1 (fr)
WO (1) WO1999041529A1 (fr)

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DE19809424B4 (de) * 1998-03-05 2008-10-02 Volkswagen Ag Arretiervorrichtung für ein Getriebe
WO2000079153A1 (fr) * 1999-06-21 2000-12-28 Luk Lamellen Und Kupplungsbau Gmbh Arbre de commande des vitesses pour une boite de vitesses et son procede de fabrication
FR2797019B1 (fr) * 1999-07-28 2001-10-19 Renault Boite de vitesses comportant des pieds basculants d'actionnement des fourchettes
ES2204469T3 (es) * 1999-07-28 2004-05-01 Renault S.A.S. Caja de velocidades compacta que comprende pies basculantes de accionamiento de las horquillas.
FR2797018B1 (fr) * 1999-07-28 2001-10-19 Renault Boite de vitesses compacte
DE10006721A1 (de) 2000-02-15 2001-08-16 Schaeffler Waelzlager Ohg Schaltvorrichtung eines Wechselgetriebes mit Dämpfungselement und Schaltwegbegrenzung
DE10010040A1 (de) * 2000-03-02 2001-09-06 Volkswagen Ag Stufenwechselgetriebe
DE10013878A1 (de) 2000-03-21 2001-09-27 Schaeffler Waelzlager Ohg Spanlos hergestellte Schaltwelle
DE10019776A1 (de) * 2000-04-20 2001-10-25 Volkswagen Ag Stufenwechselgetriebe
DE10064609A1 (de) 2000-12-22 2002-06-27 Ina Schaeffler Kg Schalteinrichtung eines Schaltgetriebes zum Wählen und Schalten von Gängen
DE10160859A1 (de) * 2001-12-12 2003-06-26 Ina Schaeffler Kg Schaltvorrichtung zum Schalten von wenigstens zwei schaltbaren Gängen eines Schaltgetriebes
DE202004006953U1 (de) 2004-04-26 2004-08-05 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Schalteinrichtung für ein Wechselgetriebe mit vereinfachter Schaltkulisse
DE102004036369B4 (de) * 2004-07-27 2007-12-13 Selzer Fertigungstechnik Gmbh & Co. Kg Steuertrommelanordnung für ein Kraftfahrzeug-Wechselgetriebe
DE102007011034A1 (de) * 2007-03-07 2008-09-11 Schaeffler Kg Vorrichtung zum Verriegeln eines beweglichen Getriebeteils
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DE102007045672A1 (de) * 2007-09-25 2009-04-02 Schaeffler Kg Betätigungseinrichtung für ein Wechselgetriebe eines Kraftfahrzeuges
DE102007045653A1 (de) * 2007-09-25 2009-04-02 Schaeffler Kg Betätigungseinrichtung für ein Wechselgetriebe eines Kraftfahrzeuges
DE102007054548A1 (de) 2007-11-15 2009-05-20 Schaeffler Kg Rastiersegment für ein Übertragungselement in einer Schaltvorrichtung sowie Schaltvorrichtung mit dem Rastiersegment
DE102008026181A1 (de) 2008-05-30 2009-12-03 Schaeffler Kg Schaltmechanik für ein Schaltgetriebe
DE102009038082A1 (de) 2009-08-19 2011-02-24 Schaeffler Technologies Gmbh & Co. Kg Arretierung
EP2420705B1 (fr) * 2010-06-29 2013-06-26 Valeo Sicherheitssysteme GmbH Actionneur de boîte de vitesses à arbres secondaires multiples et embrayages multiples
DE102011119817A1 (de) * 2011-12-01 2013-06-06 Stiwa Holding Gmbh Schaltvorrichtung für ein Zahnräderwechselgetriebe, insbesondere für Automatik-Doppelkupplungsgetriebe
DE102012223218B4 (de) * 2012-12-14 2015-02-05 Schaeffler Technologies Gmbh & Co. Kg Arretiervorrichtung für ein Getriebe, insbesondere für ein Kraftfahrzeuggetriebe
DE102014202886A1 (de) * 2014-02-18 2015-08-20 Schaeffler Technologies AG & Co. KG Schaltanordnung für ein Getriebe
DE102014016758A1 (de) 2014-11-13 2015-06-11 Daimler Ag Schalteinheit für ein Kraftfahrzeuggetriebe

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Also Published As

Publication number Publication date
WO1999041529A1 (fr) 1999-08-19
DE29814943U1 (de) 1999-05-27
DE19805924A1 (de) 1999-08-26
DE19882218B4 (de) 2006-11-02
DE19882218D2 (de) 2000-10-26
AU9541698A (en) 1999-08-30

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