EP2079946A1 - Dispositif de transmission comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement présentant au moins un composant électrique - Google Patents

Dispositif de transmission comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement présentant au moins un composant électrique

Info

Publication number
EP2079946A1
EP2079946A1 EP07820839A EP07820839A EP2079946A1 EP 2079946 A1 EP2079946 A1 EP 2079946A1 EP 07820839 A EP07820839 A EP 07820839A EP 07820839 A EP07820839 A EP 07820839A EP 2079946 A1 EP2079946 A1 EP 2079946A1
Authority
EP
European Patent Office
Prior art keywords
transmission device
transmission
electrical component
shaft
housing
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Withdrawn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
EP07820839A
Other languages
German (de)
English (en)
Inventor
Ralf Dreibholz
Mark Mohr
Matthias Reisch
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2079946A1 publication Critical patent/EP2079946A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers
    • 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
    • F16H2061/005—Supply of electric power, e.g. batteries for back up supply
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
    • F16H2063/3063—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using screw devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19251—Control mechanism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2003—Electrical actuator

Definitions

  • the invention relates to a transmission device with at least one switching element which can be actuated via an actuator system having at least one electrical component.
  • the actuation of the switching elements provided for switching the gear pairs takes place in relation to the shaft on which the rotatably mounted gears or idler gears of a countershaft transmission are arranged, mechanically, hydraulically, pneumatically or magnetically from the outside or from the inside.
  • DE 102 06 584 A1, DE 43 25 964 A1 and DE 103 02 502 A1 here represent general prior art with regard to the actuation of switching elements from the interior of a shaft for switching on or off of idler gears or gear pairings.
  • An actuation of the shift elements of a countershaft transmission from the outside is usually realized via shift forks or the like, wherein an actuation of the switching elements from the inside of the loose wheels bearing shaft compared to an actuation of the idler gears with respect to the shaft surface from the outside due to the internal shaft switching mimic by a smaller Required space in the radial direction.
  • countershaft transmission with internal actuation of the idler gears in comparison to countershaft gears with external actuation of the switching elements in the axial direction of a larger space requirement are examples of the switching elements from the interior of a shaft for switching on or off of idler gears or gear pairings.
  • the present invention is based on the object to provide a transmission device available, which is characterized by a smaller space requirement compared to conventional transmission devices.
  • this object is achieved with a transmission device according to the features of claim 1 and according to the features of claim 2.
  • the electrical component is connected to a transmission shaft rotates in operation at the speed of the transmission shaft and is connected via an example electrical transmission device with other components fixed to the housing the transmission device in operative connection, wherein the transmission means electrical energy and / or data on slip ring contacts between the fixed components of the housing device of the transmission device and the at least one connected to the transmission shaft electrical component is interchangeable.
  • electrical energy and / or data by means of induction or capacitive are interchangeable.
  • Both the first embodiment and the further embodiments of the transmission device according to the invention provide in a simple way the ability to connect an electrical component provided for actuating a switching element actuator with a transmission shaft of the transmission device, whereby a thus executed transmission device with a very compact or space-saving arrangement of the various components of the transmission device is executable.
  • the transmission according to the invention of electrical energy and / or data between housing-fixed components of the transmission device and an electrical component of the actuator provided for actuating at least one switching element provides a simple way the previously unused space inside a transmission device in the field of a gear shaft through the Arrangement of an electrical component to operate a switching element to use and in addition Dige constructive measures to operate the at least one switching element to avoid.
  • the sole figure of the drawing shows a highly schematic partial longitudinal sectional view of a transmission device according to the invention.
  • a part of a running gear as a countershaft transmission device 1 is shown in a longitudinal sectional view, which has a transmission main shaft 2 and a countershaft 3 arranged parallel thereto.
  • On the main shaft 2 more gear wheels designed as fixed wheels 2A to 2D are arranged, which mesh with a plurality of rotatably mounted on the countershaft 3 and designed as idler gears 3A to 3D.
  • the idler gears 3A and 3B can be connected via a first activation device 4A of an actuator 4 for actuating the gears 3A to 3D, while the idler gears 3C and 3D can be connected via a second activation device 4B of the actuator 4 switchable and thus rotatably connected to the countershaft 3.
  • the switching devices 4A and 4B of the actuator 4 basically have the same structural design, which is why in the following description is essentially addressed to the switching device 4A.
  • the switching device 4A is designed with an electrical component 5, which is presently designed as an electric machine, which is associated with a control and power electronics 6 and which is rotatably connected to the countershaft 3. Both the electrical actuator 5 representing an electric machine 5 and the control and power electronics 6 are present rotationally fixed to the countershaft 3 and thus rotate in the Operation of the transmission device 1 with the speed of the countershaft 3.
  • An unspecified motor output shaft of the electric machine 5 is rotatably connected to a spindle 8A, a spindle-nut arrangement 8 of the switching device 4A, so that in an electric machine-side drive the spindle 8A this in Rotation is offset and a standing in engagement with the spindle 8A mother 8B, which is rotatably connected to the countershaft 3, in the axial direction of the countershaft 3 away from the electric machine 5 or on these moves.
  • the nut 8B is operatively connected to two bolts 9A and 9B passing through the countershaft 3 in such a way that the bolts 9A and 9B are displaced by the nut 8B into oblong holes 1 OA, 1 OB of the countershaft 3 in the axial direction of the countershaft 3.
  • the bolts 9A and 9B rotate as well as the mother 8B of the spindle-nut assembly 8 in the operation of the transmission device 1 with the speed of the countershaft 3 about the axis of rotation of the countershaft third
  • the bolts 9A and 9B are facing away from the mother 8B end with a countershaft 3 surrounding sleeve member 1 first connected, which is rotatably connected via a positive connection with the countershaft 3 and in the axial direction of the countershaft 3 is slidably mounted on this.
  • the sleeve member 1 1 in the region of the countershaft 3 facing away from the peripheral surface is formed with a tooth profile 1 1 A, which in response to an axial position with a fixedly connected to the idler gear 3A tooth profile 12, one fixed to the idler gear 3B tooth profile 13 or in a neutral intermediate position between these two tooth profiles 12 and 13 with none of the tooth profiles 12 and 13 is engaged and neither the idler gear 3A nor the idler gear 3B is rotatably connected to the countershaft 3.
  • the spindle nut Arrangement 8 and a spindle-nut arrangement 14 of the switching device 4B each represent a drive converter means, by means of which a rotary drive of the electric machine 5 and also designed as an electrical machine electrical component 17 of the switching device 4B of the actuator 4 in a translational drive movement to - Or switching off the idler gears 3A to 3D is convertible.
  • the spindle-nut arrangements 8 and 14 are designed to be self-locking, so that the nut 8B of the spindle-nut arrangement 8 or the nut 14B of the spindle Nut arrangement 14 keep its position without the drive on the drive side.
  • a switching state of a switching element i. in the present case of the sleeve element 1 1, by a corresponding control of the electrical machine of the switching device by means of a detent torque generated by the electric machine side is durable.
  • an electric machine of the actuator for holding the switching state of a loose-wheel associated switching element is assigned an electrically controllable brake, which blocks a change in the switching state of the switching element or the idler gear in the de-energized state.
  • the brake is connected in the execution of an electrical component as an electrical machine with the motor output shaft of the electric machine, so that a rotational movement of an associated with the motor output shaft spindle spindle-nut arrangement is avoided in the de-energized state of the electric machine.
  • an energy store 7 for storing electrical energy is also provided inside the countershaft 3, which is embodied here as a capacitor, by means of which a voltage supplied to the electric actuator 5 is smoothed. Additionally or alternatively, the preferably designed as a capacitor energy storage 7 is also used for buffering required for the operation of the electric machine 5 electrical energy.
  • the actuator 4 for actuating the idler gears 3A to 3D in the area between the electric machine 5 and the spindle-nut assembly 8 and the electric machine 17 and the spindle-nut assembly 14 in not shown manner each formed with a transmission device in order to transform a drive power of the electric machine 5 to the extent required and the spindle 8A and a spindle 14A of the spindle-nut assembly 14 with the axial displacement of the spindle nut 8B or 14B to drive required torque.
  • An energy and control signal transmission or a data transmission between externally provided the countershaft 3 and fixed to the housing components of the transmission device 1 and the non-rotatably connected to the countershaft 3 electrical machines 5 and 17 is in this case carried out via a working on induction transmission device 15.
  • these can also be transmitted via a corresponding sliding contact or capacitively, ie via an electric field, between the electrical components of the actuator rotating with the transmission shaft and the components fixed to the housing.
  • the transmission device 15 is arranged coaxially with the countershaft or transmission shaft 3, wherein a coil assembly 15A of the transmission device 15, which is fixed to the housing, is arranged within the countershaft 3.
  • This embodiment provides in a simple way the possibility to perform a gear device with a small overall length, if a correspondingly free shaft end is available.
  • the housing-fixed coil assembly of the transmission device in a manner not shown and radially outside the transmission shaft can be arranged if no free shaft end is available, such a configuration of a transmission device in the axial direction of the transmission device has a higher space requirement.
  • the inductive transmission device 15 transmits the electrical energy required to drive the electrical machines 5 and 17 and the data required to drive the electrical machines 5 and 17 within different frequency ranges, the energy being transmitted in the range between 20 kHz and at most 200 kHz, while the Data in the range of 100 MHz or in the gigahertz range bidirectionally between the electric machines 5 and 17 and housing-fixed components of the gearbox Device 1, such as a transmission control unit to be replaced.
  • the transmission device 15 thus constitutes a type of transformer in which a further coil arrangement 15B cooperating with the housing-fixed coil arrangement 15A rotates with the countershaft, which in turn is connected to an electronics module having a rectifier.
  • an alternating voltage is rectified and smoothed in a subsequent smoothing stage, wherein the smoothing stage is followed by a component which reads out and modulates the transmitted signals to superimpose high frequencies on a signal of a secondary voltage and thus actual values of the electrical part of the Actuator 4 to be transmitted in the direction of an electric transmission control unit.
  • various operating states of the electrical machines 5 and 17, such as a standstill or a rotational position of the electric machines 5 and 17 can be transmitted to housing-mounted components of the transmission device to determine in the area of the electric transmission control unit, whether a loose wheel 3A to 3D is switched on or Not.
  • the data via the transmission device are also optically and / or wirelessly transferable while the energy is inductive, capacitive or transferable via corresponding Schleifringitch réelle.
  • the connected to the countershaft 3 coil assembly 15B of the transmission device 15 forms connected to the countershaft electric machines 5 and 17 of the actuator 4 from a common module, whereby an assembly of a transmission device 1 according to the invention compared to conventionally designed transmission device is simplified.
  • a further simplification of the assembly of a transmission device according to the invention is achieved if a housing-fixed part of the transmission device, d. H. in this case, the coil assembly 15A, in a manner not shown with a transmission control unit of the transmission device and / or with gearbox connectors forms a common module.
  • both the switching device 4A and the switching device 4B are part of a module which can be inserted during assembly of the transmission device 1 as a whole in the interior of the countershaft 3, during the assembly of the module, a rotation of the module in its axial end position, preferably provided by 90 ° to provide a connection between the spindle nuts 8B and 14B and the bolts 9A, 9B and bolts 16A and 16B of the switching device 4B. Subsequently, the module by appropriate measures, such as a clip connection, a screw connection, a pin connection, an adhesive connection or caulking rotatably connected to the countershaft 3.
  • the transmission device 15 is also designed as a rotary oil supply, via which hydraulic fluid of a hydraulic system of the transmission device 1 in the interior of the countershaft 3 can be introduced and forwarded for lubricating, cooling and / or actuation of various components of the transmission device 1.
  • this is carried out only with an electric actuator or an electric machine for applying the actuating force for switching on or off of a component or a gear, which is associated with a so-called selection actuator.
  • a selection actuator By means of the selection actuator, a selection can be made between the various components to be actuated or loose wheels of the transmission device, so that the gear or component selected via the selection actuator or the switching element associated therewith is acted on by the actuating energy generated by the electrical machine.
  • the selection actuator is preferably designed as a switching magnet which produces a connection between the electrical actuator of the device and the component or gearwheel to be actuated via the device, respectively, for the actuation of the component or of the gearwheel or associated switching element.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un dispositif de transmission (1) comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement (4) présentant au moins un composant électrique (5, 17). Le composant électrique (5, 17) est relié à un arbre de transmission (3), lequel composant tourne en fonctionnement à la vitesse de rotation de l'arbre de transmission (3) et est en liaison fonctionnelle, par le biais d'un dispositif de transmission électrique (15), avec d'autres composants fixés au carter du dispositif de transmission (1). De l'énergie électrique et/ou des données peuvent être échangées par le biais du dispositif de transmission (15) par des contacts à bagues glissantes, au moyen de l'induction ou de manière capacitive entre les composants fixés au carter d'un dispositif de transmission (1) et au moins un composant électrique (5, 17) relié au moins à l'arbre de transmission (3).
EP07820839A 2006-10-19 2007-10-02 Dispositif de transmission comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement présentant au moins un composant électrique Withdrawn EP2079946A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006049275.7A DE102006049275B4 (de) 2006-10-19 2006-10-19 Getriebevorrichtung mit mindestens einem über eine wenigstens eine elektrische Komponente aufweisende Aktuatorik betätigbaren Schaltelement
PCT/EP2007/060457 WO2008046737A1 (fr) 2006-10-19 2007-10-02 Dispositif de transmission comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement présentant au moins un composant électrique

Publications (1)

Publication Number Publication Date
EP2079946A1 true EP2079946A1 (fr) 2009-07-22

Family

ID=38823589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07820839A Withdrawn EP2079946A1 (fr) 2006-10-19 2007-10-02 Dispositif de transmission comprenant au moins un élément de commutation pouvant être actionné par le biais d'un dispositif d'actionnement présentant au moins un composant électrique

Country Status (7)

Country Link
US (1) US8028596B2 (fr)
EP (1) EP2079946A1 (fr)
JP (2) JP2010507054A (fr)
KR (1) KR101476860B1 (fr)
CN (1) CN101529134B (fr)
DE (1) DE102006049275B4 (fr)
WO (1) WO2008046737A1 (fr)

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JP2010507054A (ja) 2010-03-04
JP2013200038A (ja) 2013-10-03
CN101529134B (zh) 2014-09-24
JP5602910B2 (ja) 2014-10-08
WO2008046737A1 (fr) 2008-04-24
KR20090068258A (ko) 2009-06-25
US20100071497A1 (en) 2010-03-25
KR101476860B1 (ko) 2014-12-24
DE102006049275A1 (de) 2008-04-30
CN101529134A (zh) 2009-09-09
US8028596B2 (en) 2011-10-04
DE102006049275B4 (de) 2022-11-17

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