EP4157662A1 - Einzelradvorrichtung, insbesondere cornermodul - Google Patents
Einzelradvorrichtung, insbesondere cornermodulInfo
- Publication number
- EP4157662A1 EP4157662A1 EP21726598.2A EP21726598A EP4157662A1 EP 4157662 A1 EP4157662 A1 EP 4157662A1 EP 21726598 A EP21726598 A EP 21726598A EP 4157662 A1 EP4157662 A1 EP 4157662A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- wheel
- drive
- steering
- gear
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/02—Power-assisted or power-driven steering mechanical, e.g. using a power-take-off mechanism for taking power from a rotating shaft of the vehicle and applying it to the steering gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0418—Electric motor acting on road wheel carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/043—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by clutch means between driving element, e.g. motor, and driven element, e.g. steering column or steering gear
- B62D5/0439—Controllable friction clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/02—Steering linkage; Stub axles or their mountings for pivoted bogies
- B62D7/023—Steering turntables
Definitions
- the coupling unit is intended to functionally connect the single-wheel drive unit in one operating state to drive the single-wheel steering unit with the single-wheel steering unit, in particular to couple it mechanically, and in a further operating state to interrupt the drive of the single-wheel steering unit to release an operational connection between the single-wheel steering unit and the single-wheel drive unit , in particular to mechanically decouple the single wheel steering unit from the single wheel drive unit.
- the single-wheel drive unit is preferably provided in an operating state that is operatively connected to the single-wheel steering unit, in particular mechanically coupled, for power transmission to the single-wheel steering unit.
- the inventive design of the single wheel device can be made possible before geous sharing of a single wheel drive unit by a drive wheel and a single wheel steering unit.
- a separate steering motor for driving a steering gear can advantageously be dispensed with.
- An individual wheel device with a small number of actuators can advantageously be provided. Installation space can advantageously be saved and a particularly compact individual wheel device can be provided.
- the transmission element is preferably connected to a, in particular special rotary, drive of the drive wheel with the drive wheel, in particular with an axle shaft of the drive wheel.
- the gear unit is preferably provided to operatively connect the motor of the single wheel drive unit to the clutch unit, in particular to the single wheel steering unit via the clutch unit, in particular to couple it mechanically.
- the gear unit is intended to increase the engine speed and / or the engine torque to a clutch speed and / or a clutch torque of the clutch unit, in particular of the at least one clutch lungselements to translate.
- the further gear element is preferably connected to a, in particular rotary, drive of the at least one coupling element with the at least one coupling element, in particular via a drive shaft of the coupling unit that is fixed to the further gear element in a rotationally test manner.
- the gear unit preferably comprises at least one output element, for example a planetary gear, a planet carrier, a bevel gear or the like, which is provided for driving the further gear element. Simultaneous power transmission to the drive wheel and to the coupling unit can advantageously be made possible.
- “Essentially parallel” should be understood to mean, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, the direction having a deviation from the reference direction, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- the coupling element is preferably arranged along the axes of rotation between the transmission elements.
- the coupling unit or the gear unit preferably comprises at least one additional gear element, in particular a bevel gear, which is provided for simultaneous rotary drive of the gear elements of the coupling unit.
- an axis of rotation of the additional transmission element runs at least substantially perpendicular to the axes of rotation of the transmission elements of the coupling unit and the coupling element.
- one gear element rotates clockwise driven by the additional gear element and another gear element rotates on. driven counterclockwise by the additional gear element.
- the transmission elements preferably have friction surfaces for realizing a frictional engagement with the coupling element.
- the coupling element preferably has friction linings on both sides to achieve the frictional engagement with the transmission elements of the coupling unit.
- the actuator of the clutch unit is intended to functionally connect the clutch element to a rotational drive of the single wheel steering unit, in particular the steering gear, clockwise and to implement a steering of the drive wheel in a first steering direction with the transmission element, in particular to connect it with a friction fit.
- the actuator of the coupling unit is preferably provided to set a speed at which the single wheel steering unit, in particular the steering gear, is driven via a slip between the coupling element and the gear elements of the coupling unit, in particular via a contact pressure of the coupling element on the gear elements of the coupling unit to discontinue.
- the steering angle can advantageously be set independently of a direction of rotation of the individual wheel drive unit.
- the single wheel steering unit in particular the steering gear, be designed to adjust the steering angle independently of a drive direction of the single wheel drive unit via the clutch unit, in particular as a bevel gear reversing gear or as a switchable planetary gear.
- the single wheel steering unit, in particular the special steering gear is an alternative or addition to an embodiment of the Coupling unit designed as a bevel gear reversing gear shiftable.
- the individual wheel steering unit, in particular the steering gear is preferably designed to be switchable for setting the steering direction.
- the switchable individual wheel steering unit, in particular the steering gear can be designed as a bevel gear reversing gear.
- the switchable single-wheel steering unit in particular the steering gear, is designed as a switchable planetary gear, with a drive via a sun gear of the planetary gear and an output via a ring gear or a planet carrier of the planetary gear.
- the steering gear is preferably designed to be self-locking, in particular to prevent a steering movement of the drive wheel in a non-actuated state.
- a setting of a steering direction can advantageously also be made possible in combination with a conventional Reibkupp ment.
- a “main extension plane” of an object is to be understood as meaning, in particular, a plane which is parallel to a largest side surface of a smallest imaginary cuboid, which just completely surrounds the object, and in particular runs through the center of the cuboid.
- the actuator is provided to press the braking element to brake the drive wheel against the coupling element.
- the brake element is provided to brake, in particular to stop, a rotation of the coupling element.
- braking the rotation of the coupling element brakes due to the operative connection, in particular the mechanical connection, between the coupling element and the single-wheel drive unit, in particular the gear unit, a rotation of the single wheel drive unit.
- the coupling parts are preferably coupled to one another at least substantially parallel to the axis of rotation of the coupling element and are acted upon by a force, for example by a tension spring, which moves the coupling parts against one another.
- a longitudinal axis of the Spreizele element preferably runs at least substantially parallel, in particular coaxially, to the axes of rotation of the coupling element and the two transmission elements of the coupling unit.
- the coupling unit can have at least one Spreizak gate for actuating the expansion element.
- the expansion element is preferably provided for braking the drive wheel to move a hitch part into frictional engagement with the gear element of the clutch unit, in particular to press it against the gear element, and a wide res coupling part to move into frictional engagement with the further transmission element of the coupling unit, in particular to press against the further transmission element.
- the gear elements coupled to one another via the coupling element brake each other out due to their opposite directions of rotation.
- braking the rotation of the gear elements of the clutch unit due to the operative connection, in particular the mechanical connection, between the gear elements and the single wheel drive unit, in particular the gear unit brakes a rotation of the single wheel drive unit.
- a clutch unit designed as a bevel gear reversing gear with integrated braking functionality can advantageously be provided.
- the single wheel device comprises at least one further coupling unit, which is provided to operatively connect the single wheel drive unit in at least one operating state to drive the drive wheel with the drive wheel, in particular independently of an active connection with the single wheel steering unit.
- the further coupling unit preferably forms the single-wheel-bound module with the coupling unit, the single-wheel drive unit and the single-wheel steering unit.
- the further coupling unit is provided to operatively connect the gear unit of the single wheel drive unit with the drive wheel or the motor of the single wheel drive unit with the gear unit of the single wheel drive unit, in particular to couple it mechanically.
- the invention is based on a vehicle, in particular an autonomous shuttle, with at least one individual wheel device according to the invention.
- the vehicle is preferably designed as an autonomous shuttle, in particular as an autonomous storage vehicle, as a canal vehicle, as a satellite vehicle or the like.
- the vehicle is designed as a car, a truck, a construction site vehicle or the like.
- the vehicle is designed as an electric vehicle.
- the vehicle can in particular comprise a plurality of single wheel devices, in particular a number of single wheel devices corresponding to a number of drive wheels, such as four single wheel devices.
- a steerable vehicle can advantageously be provided in which particularly little installation space is required to accommodate individual wheel devices.
- the individual wheel device according to the invention, the vehicle according to the invention and / or the method according to the invention should / should not be restricted to the application and embodiment described above.
- the individual wheel device according to the invention, the vehicle according to the invention and / or the method according to the invention can have a number that differs from a number of individual elements, components and units as well as method steps mentioned herein in order to fulfill a mode of operation described herein.
- values lying within the stated limits should also be deemed disclosed and can be used as required.
- FIG. 3b shows an alternative gear unit of the individual wheel device according to the invention from FIG. 2 in a schematic representation
- FIG. 4 shows a coupling unit of the individual wheel device according to the invention from FIG. 2 in a schematic representation
- Fig. 5 shows a coupling unit of a first alternative erfindungsge MAESSEN individual wheel device in a schematic presen- tation
- Fig. 6 shows a clutch unit of a second alternative fiction, contemporary single wheel device in a schematic presen- tation
- FIG. 7 shows a coupling unit of a third alternative single wheel device according to the invention in a schematic presen- tation
- FIG. 8 shows a fourth alternative individual wheel device according to the invention in a schematic illustration
- FIG. 9 shows a fifth alternative individual wheel device according to the invention in a schematic illustration.
- FIG. 1 shows a vehicle 12a, in particular an autonomous shuttle, with at least one single wheel device 10a, 10'a, 10 ”a, 10” 'a in a schematic illustration.
- the vehicle 12a is preferably designed as an autonomous shuttle, in particular as an autonomous storage vehicle, as a canal vehicle, as a satellite vehicle or the like.
- the vehicle 12a is designed as a car, a truck, a construction site vehicle or the like.
- the vehicle 12a is designed as an electric vehicle.
- the vehicle 12a can in particular have a plurality of individual wheel devices 10a, 10'a, 10 ”a, 10” 'a, in particular a number of individual wheel devices 10a, 10'a, 10 ”a, 10”' a corresponding to a number of drive wheels 14a, 14'a, 14 "a, 14"'a, in the present exemplary embodiment, for example, four individual wheel devices 10a, 10'a, 10 "a, 10"' a.
- the following description is limited For the sake of clarity, refer to the individual wheel device 10a. However, the description can also be read on the further individual wheel devices 10'a, 10 ”a, 10” 'a, which are designed analogously to the individual wheel device 10a.
- FIG. 2 shows the individual wheel device 10a, in particular a corner module, of the vehicle 12a from FIG. 1 in a schematic illustration.
- the single wheel device 10a preferably comprises at least one drive wheel 14a, at least one single wheel drive unit 16a assigned to the drive wheel 14a for driving the drive wheel 14a and at least one single wheel steering unit 18a assigned to the drive wheel 14a, which is provided to set a steering angle of the drive wheel 14a, the single wheel drive unit 16a and the single-wheel steering unit 18a form a single-wheel-bound module 20a.
- the single wheel device 10a preferably comprises at least one coupling unit 22a, which is provided to operatively connect the single wheel drive unit 16a in at least one operating state to drive the single wheel steering unit 18a with the single wheel steering unit 18a, in particular to couple it mechanically.
- the single wheel drive unit 16a is preferably provided to drive the drive wheel 14a to rotate about a drive axis 50a of the drive wheel 14a, in particular to implement a driving movement of the vehicle 12a.
- the individual wheel drive unit 16a preferably comprises at least one motor 52a, in particular an electric motor.
- the single wheel device 10a is provided for electric vehicles.
- the individual wheel drive unit 16a can have at least one gear unit 24a.
- the individual wheel drive unit 16a is preferably assigned to the individual drive wheel 14a, in particular provided exclusively for driving the individual drive wheel 14a.
- each drive wheel 14a, 14'a, 14 ”a, 14” 'a of the vehicle 12a is assigned at least one dedicated individual wheel drive unit 16a.
- the single-wheel steering unit 18a is preferably provided to drive the drive wheel 14a to pivot about a steering axis 54a of the drive wheel 14a, in particular to enable the vehicle 12a to turn a corner.
- the steering axis 54a runs in particular at least substantially perpendicular to the drive axis 50a.
- the single wheel steering unit 18a preferably comprises at least one steering rod 56a, which is provided to move the drive wheel 14a.
- the single wheel steering unit 18a comprises at least one steering gear 48a, which is provided to drive the handlebar 56a.
- the single wheel steering unit 18a is free from the handlebar 56a and / or free from the steering gear 48a and acts, for example, directly on the drive wheel 14a, for example as a result of an arrangement of the single wheel steering unit 18a directly on an at least substantially Steering shaft or the like running parallel to the steering axis 54a.
- Other configurations and / or arrangements of the individual wheel steering unit 18a that appear to be sensible to a person skilled in the art are also conceivable.
- the individual wheel steering unit 18a is preferably assigned to the individual drive wheel 14a, in particular provided exclusively for adjusting the steering angle of the individual drive wheel 14a.
- each drive wheel 14a, 14'a, 14 ”a, 14” 'a of the vehicle 12a is assigned at least one individual wheel steering unit 18a of its own.
- the individual wheel drive unit 16a and the individual wheel steering unit 18a form the module 20a which is mechanically and / or functionally coupled to the individual drive wheel 14a.
- the single wheel drive unit 16a and the single wheel steering unit 18a can preferably be arranged at least partially in a common housing of the single wheel device 10a (not shown here).
- the individual wheel device 10a, in particular the module 20a can include at least one brake assigned to the individual drive wheel 14a, in particular a drum brake or a disc brake (not shown here).
- the coupling unit 22a preferably forms the single-wheel-bound module 20a with the single-wheel drive unit 16a and the single-wheel steering unit 18a.
- the coupling unit 22a is net zugeord the individual drive wheel 14a.
- the coupling unit 22a is preferably arranged spatially and / or at least functionally between the individual wheel drive unit 16a and the individual wheel steering unit 18a.
- the coupling unit 22a is in particular provided to operatively connect the individual wheel drive unit 16a selectively to the individual wheel steering unit 18a, in particular to couple it mechanically.
- the coupling unit 22a is provided to operatively connect the individual wheel drive unit 16a in an operating state to drive the individual wheel steering unit 18a with the individual wheel steering unit 18a, in particular to couple it mechanically, and in a further operating state to interrupt the drive of the single wheel steering unit 18a to release an operative connection between the single wheel steering unit 18a and the single wheel drive unit 16a, in particular to mechanically decouple the single wheel steering unit 18a from the single wheel drive unit 16a.
- the single-wheel drive unit 16a is preferably provided in an operating state that is operatively connected to the single-wheel steering unit 18a, in particular mechanically coupled, for a power transmission to the single-wheel steering unit 18a.
- the individual wheel drive unit 16a is provided in the operating state to drive the steering gear 48a, which transmits, in particular, transmits a drive through the individual wheel drive unit 16a to the handlebar 56a in order to adjust the steering angle of the drive wheel 14a.
- the coupling unit 22a is designed to be actuatable, in particular switchable, in particular for a desired coupling of the individual wheel steering unit 18a to the individual wheel drive unit 16a.
- the single wheel steering unit 18a in particular the steering gear 48a, is preferably designed to adjust the steering angle independently of a drive direction of the single wheel drive unit 16a via the clutch unit 22a, in particular as a bevel gear reversing gear or as a switchable planetary gear.
- the individual wheel steering unit 18a, in particular the steering gear 48a is designed to be switchable as an alternative or in addition to the coupling unit 22a being designed as a bevel gear reversing gear.
- the individual wheel steering unit 18a, in particular the steering gear 48a is preferably designed to be switchable for setting the steering direction.
- the switchable individual wheel steering unit 18a, in particular the steering gear 48a can be designed as a bevel gear reversing gear.
- the switchable single wheel steering unit 18a in particular the steering gear 48a, is designed as a switchable planetary gear, with a drive via a sun gear of the planetary gear and an output via a ring gear or a planet carrier of the planetary gear.
- the steering gear 48a is preferably designed to be self-locking, in particular to prevent a steering movement of the drive wheel 14a in a non-actuated state.
- FIG. 3a shows the gear unit 24a of the individual wheel device 10a from FIG. 2 in a schematic representation.
- the single wheel drive unit preferably comprises 16a, at least one, in particular the aforementioned, gear unit 24a, which in addition to at least one gear element 26a provided for an operative connection with the drive wheel 14a, has at least one further gear element 28a, in particular at least one bevel gear, which is provided for an operative connection with the coupling unit 22a is.
- the gear unit 24a is preferably provided to operatively connect the motor 52a of the single wheel drive unit 16a to the drive wheel 14a, in particular to couple it mechanically.
- the gear unit 24a is provided to translate an engine speed and / or an engine torque of the motor 52a to a wheel speed and / or a wheel torque of the drive wheel 14a.
- the gear unit 24a can in particular be designed as a planetary gear, as exemplified in the present exemplary embodiment, as a spur gear or as another gear that appears sensible to a person skilled in the art.
- the transmission element 26a is preferably connected to an, in particular rotary, drive of the drive wheel 14a with the drive wheel 14a, in particular with an axle shaft 58a of the drive wheel 14a (drive wheel not shown here).
- the gear unit 24a is preferably provided to operatively connect the motor 52a of the single wheel drive unit 16a to the coupling unit 22a, in particular via the coupling unit 22a to the single wheel steering unit 18a, in particular to couple it mechanically.
- the gear unit 24a is provided to translate the engine speed and / or the engine torque of the motor 52a to a clutch speed and / or a clutch torque of the clutch unit 22a, in particular at least one clutch element 40a.
- the further gear element 28a is preferably connected to a, in particular special rotary, drive of the at least one coupling element 40a with the at least one coupling element 40a, in particular via a drive shaft 60a of the coupling unit 22a that is non-rotatably fixed to the further gear element 28a (see FIG. 4).
- the gear unit 24a preferably comprises at least one output element 62a, for example a planetary gear, a planet carrier, a bevel gear or the like, which is provided for driving the further gear element 28a.
- FIG. 3b shows an alternative gear unit 24a 'of the individual wheel device 10a from FIG. 2 in a schematic representation.
- the gear unit 24a ' is ins- specially designed as a spur gear.
- the gear unit 24a ' comprises at least one spur gear 64a'.
- FIG. 4 shows the coupling unit 22a of the individual wheel device 10a from FIG. 2 in a schematic representation.
- the individual wheel device 10a and / or the vehicle 12a preferably comprise / comprises at least one control and / or regulating unit which, in particular as a function of a control command from an operator and / or as a function of an automatically recognized driving situation, is provided which Clutch unit 22a for establishing or releasing an operative connection between the single wheel drive unit 16a and the single wheel steering unit 18a (not shown here).
- the control and / or regulating unit is provided to control at least one actuator 36a of the clutch unit 22a, which is in particular provided to move at least one clutch element 30a, in particular a clutch disc, of the clutch unit 22a.
- the actuator 36a can in particular be designed as an electromechanical or as a hydraulic actuator.
- the further coupling element 30a can in particular be connected directly, in particular by means of an output shaft fixed in a rotationally fixed manner on the further coupling element 30a, or indirectly, in particular by means of a drive belt 66a, as exemplified in the present embodiment, with the single wheel steering unit 18a, in particular with the steering gear 48a .
- the actuator 36a is preferably provided to connect the at least two coupling elements 30a, 40a to one another in, in particular, special frictional locking to bring contact.
- the actuator 36a is intended to press the further coupling element 30a against the coupling element 40a.
- the coupling elements 30a, 40a preferably have friction linings 68a, 70a for realizing a frictional connection.
- the actuator 36a is preferably provided to separate the at least two coupling elements 30a, 40a from one another.
- FIG. 5 shows a coupling unit 22b of a first alternative Einzelradvor device 10b, in particular a first alternative corner module, in one schematic representation.
- the clutch unit 22b corresponds in particular essentially to the clutch unit 22a of the first exemplary embodiment from FIG. 4 with an additional braking functionality.
- the coupling unit 22b preferably has at least one actuator 36b which is provided to at least one braking element 38b of the coupling unit 22b for braking a drive wheel of the single wheel device 10b with at least one coupling element 40b of the coupling unit 22b, which is connected to the drive wheel and / or is operatively connected to a single wheel drive unit 16b of the single wheel device 10b to move into a frictional connection.
- the coupling unit 22b preferably comprises the braking element 38b as an alternative or in addition to a brake of the individual wheel device 10b.
- the braking element 38b is designed as a brake plate with a brake lining.
- the braking element 38b has a main plane of extent which extends at least substantially perpendicular to an axis of rotation 72b of the coupling element 40b.
- the actuator 36b is preferably provided to press the braking element 38b against the coupling element 40b in order to brake the drive wheel.
- the braking element 38b is provided to brake a rotation of the coupling element 40b, in particular to stop it.
- braking the rotation of the coupling element 40b due to an operative connection, in particular a mechanical connection, between the coupling element 40b and the single wheel drive unit 16b, in particular a gear unit 24b of the single wheel drive unit 16b brakes a rotation of the single wheel drive unit 16b.
- the braking element 38b preferably at least partially forms a housing 74b of the clutch unit 22b.
- the braking element 38b can be designed as a housing wall of the housing 74b of the coupling unit 22b.
- the actuator 36b is preferably provided to move the housing 74b of the clutch unit 22b, in particular to brake the drive wheel.
- FIG. 6 shows a coupling unit 22c of a second alternative Einzelradvor device 10c, in particular a second alternative corner module, in one schematic representation.
- the coupling unit 22c preferably has at least one coupling element 30c, in particular a coupling disc, and at least two opposing gear elements 32c, 34c, in particular bevel gears, the coupling element 30c for setting a steering direction of a single wheel steering unit 18c of the single wheel device 10c selectively with one of the gear elements 32c , 34c can be effectively connected.
- the clutch unit 22c is preferably designed as a bevel gear reversing gear.
- the gear elements 32c, 34c of the clutch unit 22c are designed as bevel gears.
- the axes of rotation 76c of the gear elements 32c, 34c of the coupling unit 22c and of the coupling element 30c preferably run at least essentially parallel, in particular coaxially, to one another.
- the coupling element 30c is preferably arranged along the axes of rotation 76c between the gear elements 32c, 34c.
- the clutch unit 22c or a gear unit 24c of a single wheel drive unit 16c of the single wheel device 10c preferably comprises at least one additional gear element 78c, in particular a bevel gear, which is provided for simultaneous rotary drive of the gear elements 32c, 34c of the clutch unit 22c.
- an axis of rotation 80c of the additional gear element 78c runs at least substantially perpendicular to the axes of rotation 76c of the gear elements 32c, 34c of the coupling unit 22c and of the coupling element 30c.
- one gear element 32c rotates clockwise driven by the additional gear element 78c and another gear element 34c rotates counterclockwise, driven by the additional gear element 78c.
- the transmission elements 32c, 34c preferably have friction surfaces 82c, 84c for realizing a frictional engagement with the coupling element 30c.
- the coupling element 30c preferably has friction linings 68c on both sides for realizing the frictional engagement with the transmission elements 32c, 34c of the coupling unit 22c.
- an actuator of the clutch unit 22c is provided to rotate the clutch element 30c for a rotary drive of the single wheel steering unit 18c, in particular a steering gear 48c of the single wheel steering unit 18c, in a clockwise direction and for realizing a steering of a drive wheel of the single wheel device 10c in a first steering direction to effectively connect the gear element 32c, in particular to connect frictionally (actuator and drive wheel not shown here).
- the actor is the Coupling unit 22c provided to operatively connect the coupling element 30c to a rotational drive of the individual wheel steering unit 18c, in particular the Lenkgetrie bes 48c, counterclockwise and to implement a steering of the drive wheel in a second steering direction with the further gear element 34c, in particular to connect it with a friction fit.
- the actuator of the clutch unit 22c is provided to actively connect the clutch element 30c to any of the gear elements 32c, 34c of the clutch unit 22c for decoupling the single wheel steering unit 18c from the single wheel drive unit 16c.
- an output shaft 86c of the coupling unit 22c fixed in a rotationally test manner on the coupling element 30c, extends at least in sections through a hollow shaft 88c of the coupling unit 22c, on which at least one of the transmission elements 32c, 34c, in the present exemplary embodiment, the further transmission element 34c, of the coupling unit 22c, is an example is stored.
- the actuator of the clutch unit 22c is preferably provided to set a speed at which the single wheel steering unit 18c, in particular the steering gear 48c, is driven via a slip between the clutch element 30c and the gear elements 32c, 34c of the clutch unit 22c, in particular via a contact pressure of the coupling element 30c to the gear elements 32c, 34c of the coupling unit 22c.
- FIG. 7 shows a coupling unit 22d of a third alternative single wheel device 10d, in particular a third alternative corner module, in a schematic illustration.
- the clutch unit 22d corresponds essentially to the clutch unit 22c of the third exemplary embodiment from FIG. 6 with an additional braking functionality.
- the coupling unit 22d comprises a coupling element 30d and two counter-rotating gear elements 32d, 34d.
- the coupling unit 22d preferably has at least one expanding element 42d, which is provided to expand the, in particular two-part, coupling element 30d for braking a drive wheel of the single wheel device lOd in such a way that the coupling element 30d simultaneously frictionally engages the two opposing gear elements 32d, 34d having.
- the coupling unit 22d has the expanding element 42d as an alternative or in addition to a braking element.
- the coupling unit 22d which is designed as a bevel gear reversing gear, preferably has the spreader element 42d.
- the expansion element 42d is preferably designed as an expansion ring. det.
- the expansion element 42d is preferably arranged between at least two coupling parts 90d, 92d of the coupling element 30d which are at least partially spaced apart from one another along an axis of rotation 76d of the coupling element 30d.
- the coupling parts 90d, 92d are preferably coupled to one another at least essentially parallel to the axis of rotation 76d of the coupling element 30d and acted upon by a force, for example by a tension spring, which moves the coupling parts 90d, 92d against one another.
- a longitudinal axis 94d of the spreading element 42d preferably runs at least substantially parallel, in particular coaxially, to the axes of rotation 76d of the coupling element 30d and the two transmission elements 32d, 34d of the coupling unit 22d.
- the coupling unit 22d can have at least one expansion actuator for actuating the expansion element 42d (not shown here).
- the expansion element 42d is provided for braking the drive wheel, preferably to move a clutch part 90d into frictional engagement with a gear element 32d of the clutch unit 22d, in particular to press against the gear element 32d, and a further clutch part 92d into a frictional engagement with another To move gear element 34d of the clutch unit 22d, in particular to press against the further gear element 34d.
- the gear elements 32d, 34d coupled to one another via the coupling element 30d brake one another due to their opposite directions of rotation.
- braking the rotation of the gear elements 32d, 34d of the clutch unit 22d due to an operative connection, in particular a mechanical connection, between the gear elements 32d, 34d and an individual wheel drive unit 16d of the individual wheel device lOd, in particular a gear unit 24d of the individual wheel drive unit 16d brakes a rotation the single wheel drive unit 16d.
- FIG. 8 shows a fourth alternative individual wheel device 10e, in particular a fourth alternative corner module, in a schematic illustration.
- the single wheel device lOe comprises in particular a single wheel drive unit 16e, which has a motor 52e and a gear unit 24e, a single wheel steering unit 18e, which has a steering gear 48e and a handlebar 56e, a clutch unit 22e and a drive wheel 14e.
- the single wheel device lOe comprises at least one further coupling unit 44e, which is provided to actively connect the single wheel drive unit 16e to the drive wheel 14e in at least one operating state to drive the drive wheel 14e, in particular independently of an operative connection to the single wheel steering unit 18e.
- the further coupling unit 44e is preferably provided to decouple the single-wheel drive unit 16e from the drive wheel 14e in order to adjust the steering angle when a vehicle is at a standstill.
- the further clutch unit 44e preferably serves as a brake for braking the drive wheel 14e.
- FIG. 9 shows a fifth alternative individual wheel device lOf, in particular a fifth alternative corner module, in a schematic illustration.
- the individual wheel device lOf corresponds in particular essentially to the individual wheel device lOe of the fifth exemplary embodiment from FIG. 8 with an additional steering actuator 46f.
- the single wheel device lOf comprises in particular a single wheel drive unit 16f, which has a motor 52f and a gear unit 24f, a single wheel steering unit 18f, which has a steering gear 48f and a handlebar 56f, a clutch unit 22f, a drive wheel 14f and a further clutch unit 44f.
- the individual wheel steering unit 18f preferably has at least one, in particular the aforementioned, steering actuator 46f, which is provided in at least one operating state in which the coupling unit 22f decouples the individual wheel drive unit 16f from the individual wheel steering unit 18f, at least one, in particular the aforementioned, steering gear 48f the single wheel steering unit 18f too to drive an adjustment of the steering angle.
- the Lenkak tor 46f is preferably provided for load cases of the steering that require little power, such as setting small steering angles or steering at high speed.
- the individual wheel drive unit 16f driving the steering gear 48f via the clutch unit 22f preferably has a higher power than the steering actuator 46f, in particular for steering load cases that require high power, such as parking situations.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020206683.3A DE102020206683A1 (de) | 2020-05-28 | 2020-05-28 | Einzelradvorrichtung, insbesondere Cornermodul |
| PCT/EP2021/062430 WO2021239459A1 (de) | 2020-05-28 | 2021-05-11 | Einzelradvorrichtung, insbesondere cornermodul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4157662A1 true EP4157662A1 (de) | 2023-04-05 |
Family
ID=76011920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21726598.2A Pending EP4157662A1 (de) | 2020-05-28 | 2021-05-11 | Einzelradvorrichtung, insbesondere cornermodul |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4157662A1 (de) |
| DE (1) | DE102020206683A1 (de) |
| WO (1) | WO2021239459A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402444B (zh) * | 2022-11-01 | 2023-03-24 | 江苏骠马智能工业设计研究有限公司 | 具有环形支撑的齿轮联动传动系统的轮式机器人 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19911458A1 (de) | 1998-03-19 | 1999-10-14 | Linde Ag | Lenkantrieb für Flurförderzeuge |
| DE102005035292A1 (de) * | 2005-07-28 | 2007-04-19 | Zf Friedrichshafen Ag | Antriebseinheit |
| DE102005046614A1 (de) | 2005-09-29 | 2007-04-05 | Zf Friedrichshafen Ag | Antriebseinheit |
| DE202005020629U1 (de) * | 2005-09-29 | 2006-05-04 | Zf Friedrichshafen Ag | Antriebseinheit |
| DE102006060618A1 (de) * | 2006-12-21 | 2008-06-26 | Jungheinrich Ag | Antriebseinheit mit Fahr- und Lenkmotor für ein Antriebsrad eines Flurförderzeugs |
| DE102007035011B4 (de) | 2007-07-26 | 2013-05-29 | Jungheinrich Aktiengesellschaft | Antriebs- und Lenkeinheit für ein Rad eines Flurförderzeugs |
| JP5499413B2 (ja) * | 2009-02-13 | 2014-05-21 | 株式会社 神崎高級工機製作所 | 乗用型作業車両 |
| DE102012214193A1 (de) | 2012-08-09 | 2014-03-06 | Zf Friedrichshafen Ag | Lenkbare Antriebsvorrichtung für ein Flurförderfahrzeug |
| CN103754261B (zh) * | 2014-01-20 | 2016-03-16 | 长春理工大学 | 电动轮及安装有该电动轮的车辆 |
-
2020
- 2020-05-28 DE DE102020206683.3A patent/DE102020206683A1/de active Pending
-
2021
- 2021-05-11 EP EP21726598.2A patent/EP4157662A1/de active Pending
- 2021-05-11 WO PCT/EP2021/062430 patent/WO2021239459A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021239459A1 (de) | 2021-12-02 |
| DE102020206683A1 (de) | 2021-12-02 |
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