EP3997360A1 - Elektromechanischer getriebe- und/oder kupplungsaktuator - Google Patents
Elektromechanischer getriebe- und/oder kupplungsaktuatorInfo
- Publication number
- EP3997360A1 EP3997360A1 EP20739321.6A EP20739321A EP3997360A1 EP 3997360 A1 EP3997360 A1 EP 3997360A1 EP 20739321 A EP20739321 A EP 20739321A EP 3997360 A1 EP3997360 A1 EP 3997360A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clutch actuator
- electromechanical
- actuator according
- spindle drive
- transmission
- 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- Withdrawn
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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D28/00—Electrically-actuated clutches
-
- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
- F16H7/1245—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the dissipating material type, e.g. elastomeric spring
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D2023/123—Clutch actuation by cams, ramps or ball-screw 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2081—Parallel arrangement of drive motor to screw axis
-
- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2096—Arrangements for driving the actuator using endless flexible members
Definitions
- the invention relates to an electromechanical transmission and / or clutch actuator for actuating the shifting device of a transmission or for actuating a
- Electric motor for generating a driving rotary movement of a motor shaft, which are translated via gear means.
- Clutch actuators are used to interrupt a power flow in a drive train of a vehicle, which generate the required axial actuating force on request.
- the electromechanical clutch actuators of interest here are also increasingly being used.
- the actuation force is generated by an electric drive, preferably an electric motor.
- this drive movement is to be converted into a suitable linear actuating movement for the clutch.
- a transmission actuator is used to operate the switching device of a transmission for gear selection.
- DE 10 2007 010 765 A1 discloses an electromechanical clutch actuator that is used to actuate the clutch in an automated gearbox of a vehicle.
- the clutch actuator comprises an electric motor as a drive and a spindle drive interacting with an energy storage device.
- the spindle drive converts the rotary movement of the electric motor into an axial movement for actuating the clutch, with this prior art at least one locking device being provided for blocking the spindle drive, thus in one
- a clutch actuation can also be guaranteed in this situation by appropriate control of the locking device.
- the electric motor is arranged coaxially to the spindle drive. In between there is the said locking device, which can be designed, for example, as a spring-loaded brake.
- this electromechanical clutch actuator ensures a compact design due to its coaxial design, the actuating force that can be generated with it is essentially dependent on the transmission ratio of the spindle drive and the characteristics of the electric motor, such as speed and nominal torque. This design therefore also limits the possible uses and the actuating force that can be generated by the electromechanical gear and / or clutch actuator.
- DE 10 2004 030 005 B4 discloses an electromechanical clutch actuator for a vehicle which, in contrast to the prior art explained above, has additional transmission means between the electric motor and the spindle drive.
- the gear means are used to translate the rotary movement of the motor shaft into slow speed in order to create a kind of pre-translation that no longer has to be applied by the spindle drive.
- the spindle drive can be designed with a lower transmission ratio.
- the gear means are designed as a single-stage spur gear.
- EP 1 528 277 B1 Another electromechanical clutch actuator with high actuating force emerges from EP 1 528 277 B1.
- a multi-stage spur gear is used between an electric motor and a linear actuator, which is used here as a
- Cam drive is formed.
- the invention includes the technical teaching that the transmission means as a
- Traction means are formed, in which a coaxially attached to the motor shaft of the electric motor driving wheel is connected via a traction means to a driven wheel, which is preferably coaxial to a spindle drive
- a positive-locking traction mechanism is preferably used as the traction mechanism, the traction mechanism of which thus interacts positively with toothed wheels, for example a toothed chain transmission and in particular a toothed belt transmission.
- toothed wheels for example a toothed chain transmission and in particular a toothed belt transmission.
- Transmission and / or clutch actuator according to the invention has been found that it is not absolutely necessary to use gears as gear means to translate the rotary movement from the motor shaft to the spindle drive. Because in connection with a spindle drive, an upstream one is preferred
- Positive traction mechanism is used, so that overall a sufficiently large actuating force for a clutch can be generated in a space-saving manner.
- the driven wheel is the
- the spindle nut usually has a larger outer diameter than a motor shaft, the larger of the two wheels, that is to say the driven wheel, can also be arranged around the spindle nut in a space-saving manner. As an alternative to this, it is also possible to fasten the gear wheel to the spindle nut on the front side.
- the positive-locking traction mechanism which is preferably designed as a toothed belt drive, is to be equipped with a toothed belt with sufficient tensile strength for the application according to the invention.
- a reinforced polyurethane belt is used for this.
- the reinforcement of the polyurethane belt can be flexible in the form of an insert or overlay made of a textile fabric material
- the toothing of the toothed belt is in a known manner in positive engagement with a corresponding toothing on the driving and the driven wheel.
- Toothed belt is characterized by a low net weight, a large one
- a further contribution to weight reduction can be achieved in that the driving wheel and the driven wheel are made of plastic
- the wheels for example polyamide, which can be processed in a simple manner in terms of production technology, for example by injection molding, to generate the wheel geometry.
- the wheels it is also conceivable for the wheels to be made of a metal, in particular a
- Light metal to produce for example as a sintered aluminum part.
- the motor shaft of the electric motor runs parallel to the main axis of the spindle drive, and that the traction mechanism bridges the distance A formed in such a way that this component combination has a substantially U-shaped
- the motor shaft of the electric motor is angled at a distance and runs adjacent to the main axis of the spindle drive, and that the traction mechanism bridges the gap formed in this way in such a way that this component combination results in an essentially Z-shaped side view.
- adjustment means for setting the distance A between the motor shaft and the spindle drive are provided, which are arranged on the part of the electric motor or on the part of the spindle drive in order to adjust the pretension of the toothed belt.
- Such an adjustment can be carried out in a simple manner in the course of the assembly of the gear and / or clutch actuator and readjustment for length compensation in maintenance intervals provided for this purpose is possible in a simple manner, so that a maximum service life of the toothed belt can be achieved before this, if necessary needs to be replaced.
- the toothed belt can be combined with a spring-loaded tension roller unit, known per se, which permanently applies a pretension to the toothed belt during operation and thereby compensates for elongation.
- the spindle drive is like a
- Ball screw spindle formed, which is characterized by a low-friction conversion of the driving rotational movement into a linear movement for actuating the clutch.
- boundary conditions of the application also apply to a simple threaded spindle can be used, which can be designed for example as a T rapez threaded spindle.
- Fig. 1 is a schematic side view of an electromechanical
- FIG. 2 shows a top view of the transmission means of the clutch actuator according to FIG.
- Fig. 3 is a plan view of transmission means of an alternative embodiment of the
- an electromechanical clutch actuator for actuating a clutch K which is only indicated schematically, of a vehicle — not shown here — essentially consists of an electric motor 1 for generating a
- the traction mechanism comprises a driving wheel 3, which is fixed on a motor shaft 4 of the electric motor 1, and a toothed belt 5 tensioned thereon, which corresponds to a driven wheel 7 fastened to a spindle nut 6 of the spindle drive 2.
- the driven wheel 7 is at the same height as the driving wheel 3.
- the driven wheel 7 in this embodiment encloses the Spindle nut 6, which corresponds in a manner known per se to the spindle part of the spindle drive 2 via a screw drive.
- the driving wheel 3 and the driven wheel 7 are such
- the length of the toothed belt 5 is designed in such a way that the distance A is bridged while maintaining the form-fitting toothing engagement.
- the motor shaft 4 is angled apart and is arranged adjacent to the main axis of the spindle drive 2 ‘.
- the toothed belt 5 rän set as a result bridges the distance between the driving wheel 3 ‘and the driven wheel 7‘ in such a way that this component combination overall results in a substantially Z-shaped side view.
- the invention is not limited to the preferred exemplary embodiment described above. Modifications or additions can also be made which are included in the scope of protection of the following claims.
- the distance A between the electric motor 1 and the spindle drive 2 adjustable in order to adjust the pretension of the toothed belt 5.
- a slide guide with a tensioning screw mechanism or the like could be used for this.
- the toothed belt 5 can if necessary with a spring-loaded tension roller means for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019118473.8A DE102019118473A1 (de) | 2019-07-09 | 2019-07-09 | Elektromechanischer Getriebe- und/oder Kupplungsaktuator |
PCT/EP2020/069200 WO2021005092A1 (de) | 2019-07-09 | 2020-07-08 | Elektromechanischer getriebe- und/oder kupplungsaktuator |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3997360A1 true EP3997360A1 (de) | 2022-05-18 |
Family
ID=71575373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20739321.6A Withdrawn EP3997360A1 (de) | 2019-07-09 | 2020-07-08 | Elektromechanischer getriebe- und/oder kupplungsaktuator |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220252111A1 (de) |
EP (1) | EP3997360A1 (de) |
CN (1) | CN114080518A (de) |
DE (1) | DE102019118473A1 (de) |
WO (1) | WO2021005092A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11591192B2 (en) * | 2021-03-29 | 2023-02-28 | Elgoteam Ltd | Electro mechanical operated bollard |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3943785A (en) * | 1974-04-26 | 1976-03-16 | Carlisle Corporation | Air cooled belt clutch |
DE19832015B4 (de) * | 1997-08-06 | 2012-11-15 | Schaeffler Technologies AG & Co. KG | Betätigungsvorrichtung |
ITTO20030857A1 (it) * | 2003-10-31 | 2005-05-01 | Sila Holding Industriale Spa | Attuatore elettromeccanico per un innesto a frizione di un autoveicolo. |
DE102004030005B4 (de) * | 2004-06-22 | 2017-05-04 | Zf Friedrichshafen Ag | Elektromechanischer Kupplungsaktuator für ein Fahrzeug mit einem automatisierten oder teilautomatisierten Schaltgetriebe |
DE102007010765A1 (de) * | 2007-03-06 | 2008-09-11 | Zf Friedrichshafen Ag | Elektromechanischer Kupplungsaktuator |
US20100323834A1 (en) * | 2009-06-23 | 2010-12-23 | Donald Barton Grube | Centrifugal clutch timing belt power transmission control system for a small gasoline engine |
CN201810732U (zh) * | 2010-10-25 | 2011-04-27 | 曹庆海 | 一种两交错轴传动装置 |
US8814439B2 (en) * | 2010-10-29 | 2014-08-26 | David P. SEBELIUS | Bearing assembly, clutch assembly and constant velocity transmission |
DE102011077538A1 (de) * | 2011-06-15 | 2012-12-20 | Schaeffler Technologies AG & Co. KG | Aktuator zur Verstellung zweier relativ zueinander bewegbarer Bauteile |
DE102013009540A1 (de) * | 2013-06-07 | 2014-12-11 | Audi Ag | Antriebsvorrichtung für allradgetriebene Kraftfahrzeuge |
JP6711036B2 (ja) * | 2015-03-31 | 2020-06-17 | 日本精工株式会社 | 一軸アクチュエータおよびこれを備える一軸アクチュエータ装置 |
JP6515690B2 (ja) * | 2015-06-09 | 2019-05-22 | 日本精工株式会社 | 電動パワーステアリング装置 |
DE102016215056A1 (de) * | 2015-08-31 | 2017-03-02 | Schaeffler Technologies AG & Co. KG | Zugmitteltrieb, insbesondere Riementrieb, für einen hybriden Antriebsstrang eines Kraftfahrzeuges |
JP2018176815A (ja) * | 2017-04-04 | 2018-11-15 | 株式会社ジェイテクト | ステアリング装置 |
US11428278B2 (en) * | 2018-05-07 | 2022-08-30 | Nsk Ltd. | Reverse input blocking clutch and actuator |
-
2019
- 2019-07-09 DE DE102019118473.8A patent/DE102019118473A1/de not_active Ceased
-
2020
- 2020-07-08 US US17/625,458 patent/US20220252111A1/en not_active Abandoned
- 2020-07-08 EP EP20739321.6A patent/EP3997360A1/de not_active Withdrawn
- 2020-07-08 WO PCT/EP2020/069200 patent/WO2021005092A1/de unknown
- 2020-07-08 CN CN202080046891.8A patent/CN114080518A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20220252111A1 (en) | 2022-08-11 |
WO2021005092A1 (de) | 2021-01-14 |
DE102019118473A1 (de) | 2021-01-14 |
CN114080518A (zh) | 2022-02-22 |
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