EP3948003A1 - Kupplungsvorrichtung - Google Patents
KupplungsvorrichtungInfo
- Publication number
- EP3948003A1 EP3948003A1 EP20710793.9A EP20710793A EP3948003A1 EP 3948003 A1 EP3948003 A1 EP 3948003A1 EP 20710793 A EP20710793 A EP 20710793A EP 3948003 A1 EP3948003 A1 EP 3948003A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- shaft
- coupling device
- profile
- actuator
- 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- Withdrawn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
- 238000010168 coupling process Methods 0.000 claims abstract description 140
- 230000008878 coupling Effects 0.000 claims abstract description 139
- 238000005859 coupling reaction Methods 0.000 claims abstract description 139
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/02—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member
- F16D11/04—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member with clutching members movable only axially
-
- 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
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/002—Clutches in which the members have interengaging parts using an external and axially slidable sleeve for coupling the teeth of both coupling components together
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D28/00—Electrically-actuated clutches
Definitions
- the invention relates to a coupling device for coupling and decoupling two shafts.
- the invention also relates to the use of the coupling device in an e-axle module for an electrically powered vehicle.
- WO 2012/048842 A1 relates to a coupling arrangement. This is used in the drive train of a vehicle.
- the coupling arrangement comprises at least one coupling which is arranged on a rotating shaft in order to couple the rotating shaft to a drive element, wherein for coupling the rotating shaft to the drive element, a first coupling part is displaced along an axis of the rotating shaft relative to a second coupling part can be brought into positive engagement with the second coupling part.
- a lifting magnet arrangement is provided which is used to actuate the clutch, the lifting magnet arrangement comprising an excitation coil for generating a magnetic field and an armature which can be attracted along a lifting device by the magnetic field of the excitation coil.
- the armature and the first coupling part to be translated can be moved separately from one another, a spring device being provided between the armature and the first coupling part in the stroke direction. This biases the first coupling part against the armature in the stroke direction.
- the DE 10 2014 015 093 A1 relates to a claw coupling with a sensor for detecting a locking state.
- the claw coupling comprises two coupling elements provided with teeth or claws, one of which is movable, as well as an actuating device for engaging and disengaging the coupling by an actuating movement of the movable coupling element.
- an actuating device for engaging and disengaging the coupling by an actuating movement of the movable coupling element.
- the movement path of the movable coupling element is a sensor arranged. This records the movement of the coupling element in the engaged state.
- the coupling element is provided with an actuation contour that moves past the sensor when the coupling is engaged.
- DE 10 2014 217 066 A1 relates to a coupling.
- This serves for the form-fitting connection of a first and a second shaft, in particular for a motor vehicle and preferably for a switchable drive axle of a motor vehicle.
- a coupling part is provided which can be displaced in the direction of one of the shafts and which enables positive coupling and disconnection of the shafts, with a shifting element in the form of a shift fork and also a thread running around a shaft, which shifts the coupling part by a pivoting movement , into which one end of the shift fork can be engaged.
- the storage of the shift fork in relation to one surrounding the clutch
- the housing is designed in the manner of a rotary sliding joint, the joint allowing a pivoting movement and a sliding movement of the shift fork.
- Decoupling of a first shaft and a second shaft proposed, with a coupling body that runs through an axial travel path that is limited by a first end position stop and a second end position stop.
- the coupling body is held non-rotatably on one of the two shafts and comprises a first circumferential groove with a first pitch and a second circumferential groove with a second pitch, which runs opposite to the first pitch, on its outer surface.
- the solution proposed according to the invention makes it possible to provide an extremely compact coupling device, which is provided by an externally arranged electromechanical, electrohydraulic or
- electropneumatic actuator can be operated.
- the actuator by means of which the clutch device is actuated is the
- the actuator actuating the coupling device has a first pin which, when the actuator is actuated, moves into the first circumferential groove of the coupling body, and a second pin which moves into the second circumferential groove when the actuator is actuated.
- the pins actuated via the actuator can easily move the coupling body axially so that a closed position such as an open position of the coupling device proposed according to the invention can be achieved via the coupling device proposed according to the invention.
- Essentially sleeve-shaped coupling body is received on the second shaft and traverses the axial travel path relative to this.
- the coupling device comprises a first profile, which is provided on the outer circumference of the first shaft, and a second profile, which is located on the outer circumference of the second shaft.
- the first and second profiles are designed to be complementary to an inner profile of the coupling body. Since the two shafts to be coupled and decoupled from one another, namely the first shaft and the second shaft, run coaxially with one another, the complementary design of the profilings allows easy switching of the coupling device proposed according to the invention.
- the first profile of the first shaft, the second profile of the second shaft and the inner profile of the coupling body are advantageously designed as longitudinal grooves.
- the coupling device proposed according to the invention is designed in such a way that the second shaft has a spherical body acted upon by a pretensioning force and protruding into a groove in the coupling body.
- the inner circumference of the coupling body is limited by the first end position stop and the second end position stop. This becomes the
- Coupling body of the coupling device proposed according to the invention its axial travel is specified.
- one of the pins of the actuator moves into one of the circumferential grooves on the outer surface of the rotating coupling body, causing the latter to attach to the second
- End position stop moves and the first profiling that is on
- the outer circumference of the first wave is covered. This is in the
- the invention also relates to the use of the
- Another use of the clutch device proposed according to the invention is to be used within a transmission in order to shift from a first gear stage to a second gear stage and vice versa.
- the coupling device proposed according to the invention is characterized in that it has a very simple structure and little space, for example within an e-axis module for a front or
- the actuator has a very requires little energy and is very easy to control. This makes it possible to implement a cost-effective system for large quantities, in particular for use with e-axis modules.
- the rotary movement of the coupling device simultaneously generates the actuating movement, the size of the actuator and its energy requirement can be greatly reduced.
- Another advantage of the coupling device proposed according to the invention can be seen in the fact that the actuator is very compact.
- the coupling device proposed according to the invention could, for example, be combined directly with a gear stage of a transmission, so that there are further advantages in terms of the space required and in terms of the number of parts to be produced in connection with the invention
- Figure 1 is a plan view of the components of the invention
- FIG. 2 shows a cross section through the coupling device according to FIG.
- Figure 3 shows a longitudinal section of the proposed according to the invention
- FIG. 4 shows a longitudinal section through the coupling device proposed according to the invention in the open position
- FIG. 5 shows a schematic representation of the components of an E-axis module.
- FIG. 1 shows a representation of the components of the coupling device 10 proposed according to the invention.
- the coupling device 10 comprises a coupling body 12, which in
- a first circumferential groove 16 which is formed in a first slope 18, and a second circumferential groove 20, which has a second slope 22, are worked into the lateral surface 14.
- the second slope 22 of the second circumferential groove 20 runs opposite the first slope 18 of the first circumferential groove 16 in the lateral surface 14 of the coupling body 12.
- Coupling device 10 as shown in FIG. 1 covered
- first shaft 24 which can be, for example, the output shaft of an electrical machine 58 (FIG. 5), as well as a shaft end of a second shaft 28, which can be the input shaft of a single or multi-stage transmission, for example .
- first shaft 24 which can be, for example, the output shaft of an electrical machine 58 (FIG. 5)
- second shaft 28 which can be the input shaft of a single or multi-stage transmission, for example .
- the coupling body 12 is essentially received on the circumference of the second shaft 28.
- the second shaft 28 comprises a second profile 29, while the first shaft 24 arranged coaxially opposite this is provided with the first profile 26.
- the coupling body 12 is shown covering the ends of the two shafts 24, 28.
- the actuator 30 opposite the two circumferential grooves 16, 20 comprises a first pin 32 which is designed so that it enters the first circumferential groove 16, while a second pin 34 is arranged on the actuator 30 so that it enters the second circumferential groove 16 Groove 20 moves in.
- Both the first circumferential groove 16 and the second circumferential groove 20 have a rounded groove base, the rounding corresponding to the rounding of the heads of the two pins 32, 34, so that the contact between the pins 32, 34 on the one hand and the circumferential grooves is as low-wear as possible 16, 20 on the other hand can be achieved.
- FIG. 2 shows a cross section through the coupling device 10 according to the illustration in FIG. 1, the sectional plane in FIG. 2 lying on the axis of symmetry of the actuator 30.
- the coupling body 12 of the coupling device 10 proposed according to the invention is a
- the inner profile 36 which is formed on the inner circumference of the coupling body 12, runs in the form of longitudinal grooves 38.
- the first profile 26 with respect to the first shaft 24 is implemented, as is the second profile 29, which is implemented at the shaft end on the circumference of the second shaft 28.
- the second shaft 28 has a bore 40 in which a spherical body 42 is received.
- the spherical body 42 is prestressed in the radial direction by a spring 44, not shown in FIG.
- the end of the first shaft 24 is covered by the material of the coupling body 12 of the coupling device 10 proposed according to the invention and is therefore made of
- the coupling device 10 proposed according to the invention is shown in its closed position 54.
- the longitudinal section according to FIG. 3 shows that in the closed position 54 the coupling body 12 of the coupling device 10 covers the first profiling 26 at the shaft end of the first shaft 24.
- the closed position 54 shown in FIG. 3 corresponds essentially to the position of the coupling body 12 of the coupling device 10, which is shown in the top view according to FIG.
- the closed position 54 of the coupling device 10 shown in FIG. 3 there is a form-fitting connection between the first shaft 24 and the second shaft 28.
- the coupling body 12 is received on the circumference of the second shaft 28.
- the bore 40 in which the spherical body 42 is located, which is pretensioned by the spring 44 and engages in a groove 46 on the inner circumference of the coupling body 12, runs in this.
- the spherical body 42 is pressed into the groove 46 by the spring 44, which is let into the bore 40.
- the groove 46 comprises a first end position stop 48 and a second end position stop 50 at the end opposite this.
- the two end position stops 48 and 50 define an axial travel path 52 by which the coupling body 12 of the coupling device 10 can be moved.
- the spherical body 42 rests on the second end position stop 50, d. H. is moved so far on the first profile 26 of the first shaft 24 that the inner profile 36 of the coupling body 12 covers the first profile 26 of the first shaft 24 and a
- FIG. 3 the closed position 54 of the coupling device 10 proposed according to the invention is shown.
- the coupling device 10 proposed according to the invention
- the coupling device 10 proposed according to the invention is transferred from its closed position 54 into its open position 56 shown in FIG.
- the actuator 30 shown in FIG. 1 is activated so that the second pin 34 moves into the second circumferential groove 20. Since the coupling body 12 of the coupling device 10 rotates permanently, the pushes itself
- Coupling body 12 proposed according to the invention
- the coupling body 12 of the coupling device 10 proposed according to the invention is held in position so that the actuator 30, d. H. the second pin 34 can be retracted again.
- the coupling body 12 can according to a corresponding
- the coupling device 10 is held in its position by the spherical body 42, which is acted upon by the spring 44.
- the actuator 30 is always acted upon with energy only for a short moment.
- Travel 52 is carried out by rotating the coupling body 12 with the correspondingly retracted pins 32 and 34 corresponding to the axial travel 52.
- the coupling device 10 is in its open position 56, which is on the side on which the electrical machine 58 (FIG. 5) is provided. In this case, the clutch device 10 can be engaged by starting the electric machine 58.
- the clutch device 10 can be engaged by starting the electric machine 58.
- FIG. 5 shows the components of an E-axis module 66 in a schematic view.
- FIG. 5 shows that an electrical machine 58 comprises the output shaft 24, which corresponds to the first shaft 24.
- the clutch device 10 is located as described above with reference to FIGS. 1 and 2.
- the actuator 30 lies opposite the essentially sleeve-shaped coupling body 12 of the coupling device 10 proposed according to the invention.
- a first axle shaft 62 and a second axle shaft 64 branch off from the transmission 60 to the driven wheels of an electrically driven vehicle.
- the transmission unit 60 can be a transmission, for example an axle transfer transmission, a differential or the like.
- Transmission unit 60 form the essential components of an e-axle module 66 for an electrically powered vehicle.
- the e-axle module 66 can be used as a rear axle or as a front axle of an electrically powered vehicle and can be used accordingly.
- the coupling device 10 proposed according to the invention can serve both to decouple the electric machine 58 at higher vehicle speeds or to shift the transmission unit 60 into a second or higher gear.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019204194.9A DE102019204194A1 (de) | 2019-03-27 | 2019-03-27 | Kupplungsvorrichtung |
PCT/EP2020/054992 WO2020193048A1 (de) | 2019-03-27 | 2020-02-26 | Kupplungsvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3948003A1 true EP3948003A1 (de) | 2022-02-09 |
Family
ID=69804815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20710793.9A Withdrawn EP3948003A1 (de) | 2019-03-27 | 2020-02-26 | Kupplungsvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3948003A1 (de) |
DE (1) | DE102019204194A1 (de) |
WO (1) | WO2020193048A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012048842A1 (de) | 2010-10-11 | 2012-04-19 | Magna Powertrain Ag & Co Kg | Kopplungsanordnung |
DE102010048739A1 (de) * | 2010-10-16 | 2012-04-19 | Neumayer Tekfor Holding Gmbh | Schaltvorrichtung und Schaltgetriebe |
DE102012221056A1 (de) * | 2012-11-19 | 2014-05-22 | Zf Friedrichshafen Ag | Getriebeschalteinrichtung, sowie Schaltelement für eine Getriebeschalteinrichtung |
DE102014217066A1 (de) | 2013-09-02 | 2015-03-05 | Magna Powertrain Ag & Co. Kg | Kupplung |
DE102014015093B4 (de) | 2014-10-10 | 2022-01-20 | Audi Ag | Klauenkupplung mit Sensor zur Erkennung eines Schließzustands |
-
2019
- 2019-03-27 DE DE102019204194.9A patent/DE102019204194A1/de not_active Withdrawn
-
2020
- 2020-02-26 WO PCT/EP2020/054992 patent/WO2020193048A1/de unknown
- 2020-02-26 EP EP20710793.9A patent/EP3948003A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE102019204194A1 (de) | 2020-10-01 |
WO2020193048A1 (de) | 2020-10-01 |
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Legal Events
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