EP2220402A2 - Betätigungseinrichtung mit kulissenwelle - Google Patents

Betätigungseinrichtung mit kulissenwelle

Info

Publication number
EP2220402A2
EP2220402A2 EP08858084A EP08858084A EP2220402A2 EP 2220402 A2 EP2220402 A2 EP 2220402A2 EP 08858084 A EP08858084 A EP 08858084A EP 08858084 A EP08858084 A EP 08858084A EP 2220402 A2 EP2220402 A2 EP 2220402A2
Authority
EP
European Patent Office
Prior art keywords
selector lever
detent
gate
shaft
jogging
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Withdrawn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
EP08858084A
Other languages
German (de)
English (en)
French (fr)
Inventor
Andreas Giefer
Ludger Rake
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 EP2220402A2 publication Critical patent/EP2220402A2/de
Withdrawn legal-status Critical Current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
    • F16H61/24—Providing feel, e.g. to enable selection
    • 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
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • 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
    • F16H2059/0239—Up- and down-shift or range or mode selection by repeated movement
    • 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
    • F16H2061/241—Actuators providing feel or simulating a shift gate, i.e. with active force generation for providing counter forces for feed back
    • 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
    • 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
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20104—Shift element interlock
    • Y10T74/2011—Shift element interlock with detent, recess, notch, or groove
    • 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
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]

Definitions

  • the invention relates to an actuating device for a gear change transmission, for example, for an automatic transmission with shift-by-wire operation, according to the preamble of patent claim 1.
  • Gear change transmissions of motor vehicles are usually controlled or switched by means of an operating device arranged in the grip region of the driver.
  • actuating elements such as shift levers or selector levers are regularly used, which are arranged, for example, between the front seats of the motor vehicle.
  • the driver can therefore close on the one hand from the respective selector lever position to the current switching state of the transmission, or recognize the gear lever in each case engaged gear on the basis of the selector lever position, and on the other hand rely on the selector lever position does not deviate from the actual switching state of the transmission.
  • the auto-P function which ensures that when leaving the vehicle optionally the parking brake is automatically engaged in the transmission, so as to prevent rolling of the unattended vehicle, if the driver to engage the parking brake failed before leaving the vehicle.
  • the auto-P function which automatically engages automatically whenever the ignition key is removed or the vehicle is left, provides for the automatic engagement of the parking brake in the transmission, regardless of the particular gear selected on the selector lever , For example, the parking brake is automatically engaged by the auto-P function of the transmission or of the vehicle even if the selector lever was left by the driver, for example in the neutral position, in an existing jogging alley, or in one of the driving position.
  • the selector lever initially does not match the actual gearshift state of the transmission.
  • the driver would have to assume that the transmission is, for example, in the neutral position or in a drive position, while in the transmission, in contrast, the parking brake is engaged.
  • an additional signaling device for the driver would have to be provided, which signals the driver in the case of the inserted by Auto-P parking brake that the vehicle can only be started when first the selector manually is brought into the parking lock position and thus in accordance with the actual switching state of the transmission.
  • the known, monostable trained controls also have the disadvantage that the driver has to get used to a new operating concept with the always back to the middle position lever, this operating concept differs significantly from the traditional transmission operation with stable selector lever positions.
  • the actuating device comprises a selector lever with stable selector lever positions that can be moved between at least one driving position and a parking brake position, as well as a locking device.
  • the locking device serves to hold the selector lever in the respectively engaged selector lever position and comprises a spring-loaded detent element and a detent gate with at least two detent positions, wherein the detent element is connected to the selector lever.
  • the actuating device is characterized in that the detent gate is arranged on an actuator rotatable link shaft.
  • the sliding shaft comprises at least one helically curved return groove, and the locking element can be moved by means of rotation of the crank shaft along the return groove from a Rastierelement start position in a Rastierelement target position.
  • the rotatable link shaft with return groove a simple and reliable way to actuator movement of the Rastierelements and thus also the selector lever.
  • the selector lever - for example, from one of the driving position positions - in particular actuatorically be returned to the parking brake position.
  • the parking brake can be automatically engaged by the transmission control after the key removed or the vehicle was left.
  • the selector lever automatically fed back into the parking brake position from the last engaged driving position position by means of the inventive sliding shaft, so that the actual switching state of the transmission (parking lock) with the position of the selector lever ("P") finally coincides again.
  • the invention can first of all realize independently of how - for the purpose of repatriation - the transfer of Rastierelements from the detent gate in the return groove of the crank shaft is structurally realized.
  • a corresponding actuator can be provided.
  • the starting position of the return groove coincides directly with a first detent position in the detent gate and the target position of the return groove with a further detent position of the detent gate.
  • the transfer of the Rastierelements from the start position to the target position of the detent gate can be initiated and executed in this way directly and only by rotation of the scenery shaft, since the start or target positions on the scenery shaft in this embodiment match directly with the corresponding detent positions for the Rastierelement , In other words, it is not necessary to first move the locking element from its first detent position in the detent gate to the starting position in the return groove and - after the return along the return groove - from the target position back into the further detent position in the detent gate to spend.
  • the backdrop shaft for several different locking positions of the detent gate each have a return groove. All feedback grooves of the link shaft lead to a common target position. This results in the possibility of returning the locking element or the selector lever from different or even from all positions in the target position. For example, in the case of "Auto-P", the selector lever can be actuated from all selector lever positions to the parking brake position.
  • a further preferred embodiment of the invention provides that arranged on the backdrop shaft detent gate except a first detent plane with the detent positions for a shift gate of the selector lever has a further detent level for a jogging of the selector lever.
  • the jogging gear locking plane of the detent gate is located on a gate ramp, wherein the gate ramp, the shift gate detent plane immediately adjacent, is arranged on the link shaft.
  • the gate ramp can be formed and arranged in this embodiment so that the Rastierelement - so for example a spring-loaded Rastierpin - following the sideways pivotal movements of the selector lever when changing lanes, always swung directly into the corresponding locking plane of the detent gate.
  • the Rastierelement - so for example a spring-loaded Rastierpin - following the sideways pivotal movements of the selector lever when changing lanes, always swung directly into the corresponding locking plane of the detent gate.
  • the locking position of the jogging track locking plane corresponding to the jogging-center position of the selector lever also forms the starting position for a return groove of the link shaft.
  • This embodiment has the advantage that the selector lever can also be moved actuation and in particular can be returned to the parking brake position, if the selector lever, for example, when leaving the vehicle was not left in one of the driving position, but rather in the jogging alley.
  • the return groove for the selector lever position "D" extends from the shift gate detent plane directly over the center position of the tip-lane detent plane and thus opens directly into the tip-return groove. In this way, only one common return groove is needed, the is responsible for both the return of the selector lever from the selector lever position "D" and for the return of the selector lever from the center position of the tip alley.
  • the actuating device has a latching nose connected to the bearing of the detent element or with the selector lever, as well as an introduced into the surface of the link shaft, to the locking lug shape-corresponding release recess.
  • the locking lug moves into the release recess when the selector lever is moved from the selector lever position "D" of the shift gate in the jogging, while the locking lug the pivotal movement of the selector lever in the direction of jogging blocked by contact of the detent on the surface of the sliding shaft when the Selector lever is not in selector lever position "D" of the shift gate.
  • the backdrop shaft serves in this way on the one hand as described for returning the Rastierelements or the selector lever in the parking brake position.
  • the gate shaft thanks to locking lug and Freigabeausströmung simultaneously fulfills the purpose of mechanical blocking the pivotal movement of the selector lever to the jogging, as long as the selector lever is not in the selector lever position "D", since the locking lug comes to rest in this case on the surface of the sliding shaft and thus a pivoting movement of the selector lever is blocked from the shift gate in the tip alley.
  • latching lug and release recess preferably form a sliding ramp due to their shape.
  • the sliding ramp is designed to eject the locking lug from the FreigabeausEnglishung as soon as the actuator rotational movement of the crank shaft for returning the selector lever begins.
  • the actuator drive of the link shaft preferably has a worm gear. Thanks to the worm gear, there is the advantage of a high gear ratio in a small space, at the same time self-locking without further mechanical aids, and also the lowest possible noise of Wählhebelaktuatorik is achieved.
  • a further preferred embodiment of the invention provides that the selector lever is mounted on a single shaft both with regard to its translatory switching movements and with regard to its rotational pivoting movements.
  • the actuator is characterized - in particular in the vertical - with minimal dimensions. Nevertheless, even with very compact running controls required for safe operation and comfortable feel not too small distances between the individual switching positions of the selector lever can be realized. With a suitable shaping of the bearing shaft can even be realized with respect to the switching movements of the selector lever in the direction of travel, a virtual selector lever pivot axis, which is located far below the housing bottom of the actuator.
  • Fig. 1 is a schematic isometric view of an embodiment of a
  • Fig. 8 is a schematic plan view of the actuator of FIG. 1 to 5, selector lever as in Fig. 7 in the jogging alley.
  • Fig. 1 shows in schematically executed isometric view of an embodiment of an actuator according to the present invention. It can be seen first of all a selector lever 1 and the base 2 of the actuator with the bearing shaft 3 arranged thereon for the selector lever 1 and with a likewise arranged on the base 2 scenery shaft 4.
  • the scenery shaft 4 can be by means of a servo motor 5 with worm gear 6 along the direction of the arrow 7 twist around its longitudinal axis.
  • detent gate 8 for the selector lever 1
  • Rastierpin 9 in a (not visible) spring-loaded with the selector lever 1 connected to the selector lever 1 is arranged.
  • the camshaft 4 in this position (which corresponds to the position of the camshaft 4 in Fig. 1) initially a conventional, essentially provides one-dimensionally-linear detent gate 8 for the resilient detent pin 9, said detent gate 8 consists of a series of detent recesses and arranged therebetween, along the direction of movement 11 of the detent pin 9 wave-shaped recessed guide grooves.
  • the link shaft 4 additionally provides a number of return grooves, which extend from the one-dimensionally linear detent gate 8 into the second and third spatial dimensions.
  • the Rastierpin 9 Due to the rotation 7 of the gate shaft 4, the Rastierpin 9 has its rest position in the switch position “D” shown in FIG. 1 and 2 consequently left and is already in Fig. 3 in the detent position "D" belonging return groove 10, which the detent position " D "in a helical line along the surface of the link shaft 4 with the detent position” P "connects. Due to the rotation 7 of the camshaft 4 thus takes place a straight line Displacement of the Rastierpins 9 and connected to the Rastierpin 9 selector lever 1 along the direction of arrow 11 of FIG. 3 until the Rastierpin 9 and the selector lever 1 have reached the parking brake position "P".
  • Sensing device is connected to the scenery shaft 4, via which the rotational angular position of the guide shaft 4 can be determined, so that the actuator drive 5 after the return of Rastierpins 9 can be turned off at the right time.
  • FIGS. 4 to 6 The latter, namely the parking lock position "P" achieved as a result of the rotation 7 of the link shaft 4, is shown in FIGS. 4 to 6.
  • the position of the link shaft 4 in FIGS. 4 to 6 thus again corresponds to the position of the link shaft 4 in FIGS. 1 and 2, with the difference that the link shaft 4 in FIGS. 4 to 6 with respect to FIGS. 1 and 2 a rotation by 180 ° in the clockwise direction (based on the viewing direction of the helical gear of the worm gear 6) has completed.
  • FIGS. 5 and 6 it can be seen that the Rastierpin 9 was due to this rotation 7 of the crank shaft 4 along the corresponding return groove 10 to the parking brake position "P" was returned, which is why the selector lever 1 as shown in FIGS 6 again takes the parking lock position.
  • From Figs. 4 to 6 also goes to the jogging of the selector lever 1 associated further locking plane 12 of the detent gate 8 out.
  • the jogging-notch plane 12 is connected to the detent position "D" of the detent gate 8 via a short piece 13 of the detent position "D" belonging to the return groove 10.
  • the belonging to the jogging notch plane 12 is arranged on a ramp 14, which is particularly clear as well From Fig. 3 shows.
  • the ramp 14 extends in continuation of the connecting piece 13 to the detent position "D" belonging return groove 10, which also shows particularly clearly from the illustration of FIG. 3. Thanks to arranged on the ramp 14, belonging to the jogging of the selector lever 1 detent level 12 can be easily changed between shift gate and Joggasse, or between shift gate-locking plane 8 and jogging cam plane 12 without further mechanics and at standstill of the sliding shaft 4 by the corresponding sideways pivotal movement 16 of the selector lever 1 angularly 1 to 1 is transmitted to the Rastierpin 9.
  • the Rastierpin 9 is shifted from the shift gate-latching level 8 in the 15 Joggassen- latching plane, as well as this applies to the return path of the Rastierpins 9 from the jogging-locking plane 12 in the shift gate-locking plane.
  • Figs. 7 and 8 The change of the Rastierpins 9 between the locking planes 8 and 12 as a result of a pivoting movement 16 of the selector lever 1 between the shift gate position 15 and the jogging position 17 is shown in Figs. 7 and 8.
  • Fig. 7 it can be seen how the pivotal movement 16 of the selector lever 1 leads directly to the fact that the Rastierpin 9 changes from the shift gate-latching level 8 in the jogging cam locking plane 12.
  • the return of the selector lever 1 in the parking brake position "P" can be done thanks to the over the jogging cam plane 12 and the ramp 14 extending, the detent position "D" belonging return track 10 also easily when the selector lever 1 as shown in FIG. 7 or 8 should be in the tip lane, see. Representation of the ramp 14 and the over the ramp 14 and through the jogging-notch plane 12 extending return track 10 of FIG. 3rd
  • Another effect of the detent 18 is that it forms a shift lock, which prevents the selector lever 1 is moved from the shift gate 15 in the 15 Vorgassenwolf when the selector lever 1 is in a different switching position than in the switch position "D".
  • This blocking of the pivoting movement of the selector lever 1 in the jogging position Yl takes place in that the locking lug 18 when attempting to pivot the selector lever 1 from the shift gate position 15 in the jogging position Yl aufutton the cylindrical surface of the camshaft 4 (see Fig. 6), if the selector lever 1 is not in the switch position "D".
  • the locking lug 18 can dip into the release recess 19 and the pivotal movement 16 of the selector lever 1 in the jogging position Yl is thus released.
  • the release recess 19, serves as an additional link guide for the selector lever 1, if this is located in the jogging alley. If the selector lever 1 is moved forwardly or rearwardly in the direction of travel, the detent nose 18 is located within the horizontal region of the release recess 19. In this relative position of the detent 18 and the release recess 19, any sideways movement 16 of the selector lever 1 is blocked. The selector lever 1 can therefore be moved in this case only along the bearing shaft 3 back to the center position of the jogging track. Only from the middle position of the jogging out of the selector lever 1 can be moved back 16 sideways in the shift gate position 15 again.
  • an actuator with stable selector lever positions is created, which has the particular advantage that the selector lever position always reflects the actual switching state of the transmission even with shift-by-wire-controlled gear change transmissions.
  • the driver is a reliable visual as well as tactile feedback on the switching state of the transmission allows. Additional advantages are achieved in the form of the structurally simple and thus reliable and robust design, as well as in the form of a low aktuatorischen energy consumption while minimizing noise and low space consumption.
  • the invention thus makes a fundamental contribution to the improvement of ergonomics, ease of use, safety as well as the installation space and the cost effectiveness, especially in demanding applications in the field of transmission actuation.

Landscapes

  • 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)
  • Control Of Transmission Device (AREA)
EP08858084A 2007-12-05 2008-12-04 Betätigungseinrichtung mit kulissenwelle Withdrawn EP2220402A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007058922A DE102007058922B3 (de) 2007-12-05 2007-12-05 Betätigungseinrichtung mit Kulissenwelle
PCT/DE2008/050035 WO2009071080A2 (de) 2007-12-05 2008-12-04 Betätigungseinrichtung mit kulissenwelle

Publications (1)

Publication Number Publication Date
EP2220402A2 true EP2220402A2 (de) 2010-08-25

Family

ID=40585587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08858084A Withdrawn EP2220402A2 (de) 2007-12-05 2008-12-04 Betätigungseinrichtung mit kulissenwelle

Country Status (7)

Country Link
US (1) US8490509B2 (ja)
EP (1) EP2220402A2 (ja)
JP (1) JP5258896B2 (ja)
KR (1) KR101403816B1 (ja)
CN (1) CN101889156B (ja)
DE (1) DE102007058922B3 (ja)
WO (1) WO2009071080A2 (ja)

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DE102007058922B3 (de) 2009-06-18
KR20100087318A (ko) 2010-08-04
KR101403816B1 (ko) 2014-06-03
US20100307276A1 (en) 2010-12-09
JP2011505531A (ja) 2011-02-24
CN101889156B (zh) 2014-02-05
US8490509B2 (en) 2013-07-23
WO2009071080A3 (de) 2009-08-13
WO2009071080A2 (de) 2009-06-11
JP5258896B2 (ja) 2013-08-07

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