WO2014198266A1 - Système de propulsion de bicyclette et bicyclette dotée d'un système de propulsion de bicyclette - Google Patents

Système de propulsion de bicyclette et bicyclette dotée d'un système de propulsion de bicyclette Download PDF

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Publication number
WO2014198266A1
WO2014198266A1 PCT/DE2014/200099 DE2014200099W WO2014198266A1 WO 2014198266 A1 WO2014198266 A1 WO 2014198266A1 DE 2014200099 W DE2014200099 W DE 2014200099W WO 2014198266 A1 WO2014198266 A1 WO 2014198266A1
Authority
WO
WIPO (PCT)
Prior art keywords
actuator
bicycle
linear actuator
switching
hub
Prior art date
Application number
PCT/DE2014/200099
Other languages
German (de)
English (en)
Inventor
Dietmar Rudy
Bettina Rudy
Ralf Moseberg
Dominic ABELS
Henning Dombek
Original Assignee
Schaeffler Technologies Gmbh & Co. Kg
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 Schaeffler Technologies Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Publication of WO2014198266A1 publication Critical patent/WO2014198266A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/16—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/45—Control or actuating devices therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • 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
    • F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
    • F16H25/2252—Planetary rollers between nut and screw

Definitions

  • the present invention relates to a bicycle drive with a multi-stage
  • the present invention also relates to a bicycle having such a bicycle drive.
  • Bicycles usually have hub gears or derailleurs.
  • the driver selects the appropriate gear step by means of a manual switch.
  • these are rotary switches or swivel or toggle switches on the handlebars.
  • the preamble of claim 1 become known.
  • the switching device has a working servomotor and a locking servomotor. Furthermore, as
  • Actuator for the operation of a Bowden cable of the hub gear provided a pull-pulley which rotates about a rotation axis.
  • the Bowden cable is guided along a circular path on the pulley.
  • Microswitches are guided on cam tracks of gear parts.
  • the object of the invention was to provide a bicycle drive that is simpler in construction.
  • the switching device comprises a linear actuator
  • Linear actuators are very compact.
  • the actuator of the transmission allows linear positioning movements without further deflection of the Bowden cable.
  • the arranged in the sheath of the Bowden cable can be arranged along the adjusting axis of the actuator.
  • the actuator motor is formed by an electric motor.
  • a planetary roller screw drive known per se is provided as a gear, which has a spindle nut arranged on a threaded spindle.
  • planets distributed over the circumference are provided in an annular space formed by the threaded spindle and the spindle nut. The planets are in tandem with both the
  • the planets are provided with a planet-side groove profile and the spindle nut is provided with a nut-side groove profile, wherein the threaded spindle is provided with a helical thread wound around the spindle axis.
  • Electric motors possible, which can be operated at high speeds.
  • the output side provided actuator of the linear actuator can be connected to a
  • Bowden cable connected, which acts on the multi-speed hub to perform a gear change.
  • the traction cable of the Bowden cable is fastened to the actuator in a conventional manner, whereby adjusting movements of the traction cable and the actuator take place in parallel, without any further deflection of the traction cable.
  • the axes of the traction cable and the adjusting axis of the actuator coincide.
  • the switching device comprises a manually operated manual switching unit and an electromechanical switching unit formed by the linear actuator, wherein the manual switching unit has a Bowden cable for actuating the multi-speed hub, and wherein the electromechanical switching unit is a Bowden cable for switching the
  • the actuator may be formed by the spindle nut or by a machine part attached to the spindle nut.
  • the threaded spindle is connected to the motor shaft and rotated while the
  • the actuator can by the threaded spindle or by a fastened to the threaded spindle
  • the spindle nut is connected to the motor shaft and rotated, while the threaded spindle rotatably but
  • the linear actuator of this variant may have an actuator housing, wherein the actuator for actuating the multi-speed hub relative to the actuator housing is displaceable, and wherein the Bowden cable of the manual switching unit is connected to the actuator housing.
  • An accumulator unit can be connected to the linear actuator, wherein the accumulator unit can be provided with an electronic control unit for controlling a switching operation of the linear actuator.
  • the switching device may have an electrical switch that can be switched by the driver for a desired gear change. This switch can be provided with several switching positions - depending on the design of the switching device:
  • the controller controls the linear actuator and triggers switching operations
  • detent step portion with detent steps for the gears to manually operate the switching unit for a desired gear change.
  • a preferred embodiment of the invention provides that the linear actuator is housed in a frame tube of the bicycle frame. In this way, the linear actuator is protected from the weather and also very space-saving used.
  • the linear actuator may be housed in a saddle tube carrying the caliper or in a head tube receiving the front fork.
  • the linear actuator can be solved by means of a fastening device releasably attached to the
  • the linear actuator is arranged in the direction of the actuator either lockable or longitudinally displaceable.
  • the actuator housing of the linear actuator can be arranged longitudinally displaceable in the frame tube. This may be useful if the linear actuator is arranged between two Bowden cables, so that the tensile forces of a Bowden cable are transmitted via the linear actuator in the other Bowden cable.
  • Bowden cable can be connected in this case, on the one hand to an actuator housing and on the other hand to the manual switching unit.
  • the other Bowden cable can be connected on the one hand to the actuator of the linear actuator and on the other hand, for example, to a switching pin of the multi-speed hub.
  • This arrangement optionally allows automatic operation and manual operation. When the manual shift unit is in the automatic position, the linear actuator is operated via the electronic control.
  • the electromechanical switching unit is switched off and the entire linear actuator is moved with the Bowden cables connected on both sides for manual switching of the multi-speed hub.
  • FIG. 1 shows a bicycle with a first bicycle drive according to the invention
  • FIG. 2 shows a bicycle with a second bicycle drive according to the invention
  • FIG 3 shows a linear actuator of the first and the second bicycle drive according to the invention.
  • FIG. 1 shows a detail of a bicycle with diamond frame, which is provided with a first bicycle drive according to the invention.
  • This bicycle drive has a multi-stage hub gear with a conventional multi-speed hub 1.
  • the multi-speed hub is installed in a rear wheel 2 of the bicycle.
  • Diamond frame is a power engine 3 is grown, which drives the rear wheel 2.
  • a chain 4 wraps around a arranged on a pedal crankshaft 5 chainring 6 and a pinion gear 7 of the multi-speed hub. 1
  • the pedal crankshaft 5 is provided in a known manner with pedal cranks 8.
  • An unillustrated torque sensor detects a torque applied to the pedal crankshaft 5.
  • An unrecorded cadence sensor detects a rotational speed of the pedal crankshaft 5, wherein the
  • Control unit 19 are connected.
  • the multi-stage hub circuit has a switching device 9, which has a non-illustrated, manually operated manual switching unit, which is designed in a conventional manner as a rotary handle switch on the bicycle handlebars.
  • This manual switching unit has a first Bowden cable 10, which is connected on the one hand to the rotary switch or rotary handle, not shown, and on the other hand to a linear actuator 1 1.
  • the Bowden cable 10 is through a top tube 12 of the
  • the linear actuator 1 1 is part of an electromechanical switching unit 13, which has a second Bowden cable 14 for switching the multi-speed hub 1.
  • the second Bowden cable 14 is connected on the one hand to an actuator 15 of the linear actuator 1 1 and on the other hand to a not further illustrated switching pin of the multi-speed hub 1.
  • the second Bowden cable 14 is guided via deflection rollers 14a from the seat tube 17 to a chain stay of the bicycle frame.
  • a battery unit 18 On a saddle 16-bearing seat tube 17 of the diamond frame, a battery unit 18 is supported, which energizes both the auxiliary motor 3 and the linear actuator 1 1.
  • the accumulator unit 18 further includes an electronic control unit 19, not shown, which controls both the auxiliary motor 3 and the linear actuator 1 1.
  • the linear actuator 1 1 and a partial length of the second Bowden cable 14 are housed in the seat tube 17.
  • the first Bowden cable 10 is attached to an actuator housing 20 of the linear actuator 1 1; the actuator 15 is arranged linearly displaceable relative to the actuator housing 20.
  • the linear actuator 1 1 as a whole is longitudinally displaceable in the seat tube 17.
  • FIG. 3 shows the linear actuator 11 in a longitudinal section.
  • the linear actuator 1 1 consists essentially of an electric motor 21, which may also be referred to as actuator motor 21 a, a Planetenskylzgewindetrieb 22, the actuator 15 and the actuator housing 20, in which the actuator motor 21 formed by an electric motor 21 a and the Planetenskylzgewindetrieb 22 housed are.
  • the Planetenskylzgewindetrieb 22 has a on a threaded spindle 23rd
  • spindle nut 24 In one of the threaded spindle 23 and the spindle nut 24 formed annular space 25 distributed over the circumference arranged planet 26 in rolling engagement both with the spindle nut 26 and with the
  • Threaded spindle 23 The planets 26 are provided with a planet-side groove profile 27 and the spindle nut 24 with a nut-side groove profile 28.
  • the threaded spindle 23 is provided with a helically wound around the spindle axis thread 29.
  • the threaded spindle 23 is connected in a rotationally fixed manner to a motor shaft 30 of the electric motor 21 held in the actuator housing 20.
  • Spindle nut 24 is rotatably and axially displaceable in the actuator housing 20 is arranged.
  • the tubular actuator 15 is attached to the spindle nut 24.
  • the threaded spindle 23 is connected via a deep groove ball bearing 31 in the
  • Actuator housing 20 rotatably mounted. Under rotation of the threaded spindle 23, the planet 27 roll on the threaded spindle 23 and on the spindle nut 24. The planets 27 rotate about their planetary axis and rotate around the spindle axis. With such a Planetenskylzgewindetrieb 22 very large reductions can be realized, the proper operation of the Bowden cable for performing a
  • a linear scale 33 is included, which can be designed as a Leitpotenziometer.
  • a contact piece 34 which contacts the trained as potentiometer 35 linear scale 33.
  • magnetoresistive, magnetostrictive, capacitive or inductive conceivable.
  • the contact piece 34 moves along the potentiometer strip 35, on the position of the actuator 15 in the actuator housing 20 is determined properly.
  • the actuator moves until a predetermined via the electronic control unit 19 position of the contact piece 34 is reached on the Potentiometerstsammlung.
  • Manual actuation of the multi-speed hub 1 may be desirable if, for example, the accumulator unit is no longer sufficiently charged.
  • the unillustrated rotary switch on the steering wheel can be turned into a range in which switching by hand is perfectly possible.
  • the linear actuator In manual operation, the linear actuator is moved as a whole in the seat tube and serves as a rigid connecting piece of the two Bowden cables 10 and 14th
  • the handset In automatic mode, the handset can be set to a specific position, which can correspond to either the highest or lowest gear.
  • the cable length is increased or decreased by the actuator and thereby set the appropriate switching stage.
  • the cylindrical actuator housing 20 of the linear actuator remains locked in the seat tube 17.
  • the lock can be made possible by the Bowden cable 10 which is not operated in automatic mode.
  • the linear actuator can also be fastened in the seat tube 17 by means of a fastening screw. This fastening screw can be performed through the wall of the seat tube 17 and clamp the linear actuator.
  • switching points are defined, which trigger a switching operation of the linear actuator 1 1. For example, if the driver steps with a high cadence, another gear can be automatically switched so that the speed of the bicycle can be maintained at a reduced cadence. If the detected torque exceeds set limits, a gear change can also be made automatically, so that at the same speed is applied a lower torque load.
  • the electronic control unit first actuates the auxiliary power motor 3 in such a way that the current supply is reduced or even de-energized. If the driver still acts with pedaling the cranks, a brake or a freewheel can be provided, which prevent transmission of pedaling power to the hub pinion. In this way, the multi-speed hub 1 can be relieved during the actual switching operation.
  • the linear actuator 1 1 is controlled and energized via the electronic control unit 19. Upon actuation of the actuator motor 21, the actuator is displaced linearly in the direction of the Bowden cable 14, so that the Bowden cable 14 actuates the multi-speed hub 1 and causes a gear change.
  • Rotary movement can be deflected and closes an electrical contact.
  • the electronic control unit 19 now actuates the auxiliary power motor 3 in such a way that the current is reduced or even de-energized. If the driver still treads the pedal cranks with pedaling, a brake or a freewheel can are provided, which prevent transmission of pedaling to the pinion gear.
  • the linear actuator 1 1 is controlled and energized via the electronic control unit 19.
  • the actuator motor 21 Upon actuation of the actuator motor 21, the actuator is displaced linearly in the direction of the Bowden cable 14, so that the Bowden cable 14 actuates the multi-speed hub 1 and causes a gear change.
  • FIG. 3 shows a further variant of the invention, which differs from the one above
  • described embodiment essentially differs in that the first Bowden cable 10 is omitted, so that a manual operation of the
  • Multi-speed hub 1 is omitted in a conventional manner.
  • the linear actuator 1 1 is fixed in the seat tube 17.
  • a screw may be screwed through the wall of the seat tube 17, which clamps the linear actuator in the seat tube 17.
  • the bicycle drive described above is provided according to the invention for bicycles without auxiliary power drive.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structure Of Transmissions (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un moyeu à vitesses intégrées à plusieurs rapports qui comprend un dispositif de changement de vitesses (9) pour actionner le passage de vitesses d'un moyeu à vitesses intégrées (1) ainsi qu'une commande électronique qui actionne le dispositif de changement de vitesses (9), le système de propulsion de bicyclette se caractérisant en ce que le dispositif de changement de vitesses présente un actionneur linéaire (11) qui comporte un moteur d'actionneur (21a) et une transmission reliée au moteur d'actionneur (21a), la transmission convertissant des mouvements rotatifs, côté entrée, en mouvements linéaires, côté sortie, d'un élément actionneur (15).
PCT/DE2014/200099 2013-06-12 2014-03-03 Système de propulsion de bicyclette et bicyclette dotée d'un système de propulsion de bicyclette WO2014198266A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102013009798.3 2013-06-12
DE102013009798 2013-06-12
DE102013215784.3 2013-08-09
DE102013215784.3A DE102013215784A1 (de) 2013-06-12 2013-08-09 Fahrradantrieb und Fahrrad mit Fahrradantrieb

Publications (1)

Publication Number Publication Date
WO2014198266A1 true WO2014198266A1 (fr) 2014-12-18

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ID=52009831

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Application Number Title Priority Date Filing Date
PCT/DE2014/200099 WO2014198266A1 (fr) 2013-06-12 2014-03-03 Système de propulsion de bicyclette et bicyclette dotée d'un système de propulsion de bicyclette
PCT/DE2014/200098 WO2014198265A1 (fr) 2013-06-12 2014-03-03 Système de propulsion de bicyclette

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/200098 WO2014198265A1 (fr) 2013-06-12 2014-03-03 Système de propulsion de bicyclette

Country Status (2)

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DE (2) DE102013215783A1 (fr)
WO (2) WO2014198266A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017201449A1 (fr) 2016-05-20 2017-11-23 Genentech, Inc. Conjugués anticorps-protac et procédés d'utilisation
WO2023056069A1 (fr) 2021-09-30 2023-04-06 Angiex, Inc. Conjugués agent de dégradation-anticorps et leurs procédés d'utilisation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015203090A1 (de) * 2015-02-20 2016-08-25 Schaeffler Technologies AG & Co. KG Antriebsanordnung zum Antrieb eines Aktorelements
DE102018120847B4 (de) 2018-08-16 2023-09-28 Schaeffler Technologies AG & Co. KG Schneidvorrichung
DE102020214163A1 (de) 2020-11-11 2022-05-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Schaltung eines Übersetzungsverhältnisses eines schaltbaren Getriebes, Steuergerät und Fahrzeug

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EP0537693A1 (fr) * 1991-10-14 1993-04-21 Fichtel & Sachs AG Servomoteur servant à contrôler une transmission d'entraînement pour bicyclette
WO2000040428A1 (fr) * 1999-01-07 2000-07-13 Gt Bicycles, Inc. Bicyclette anti-vibrations dotee d'un systeme d'alimentation en air comprime
EP1595784A2 (fr) * 2004-05-13 2005-11-16 Shimano Inc. Unité d'entrainement et base arrière pour bicyclette
EP1607321A2 (fr) * 2004-06-18 2005-12-21 Shimano Inc. Dispositif de commande de bicyclette
DE202012001571U1 (de) 2012-02-15 2012-03-16 Pfau-Tec Gmbh Automatische Fahrradgangschaltung
EP2500254A1 (fr) * 2011-03-18 2012-09-19 Huang, Yung-Sheng Dispositif de commande électrique de type embrayage pour bicyclette et commande de type embrayage correspondante
DE202013001615U1 (de) * 2013-02-16 2013-03-07 Christian Hefter Schaltungsanordnung für ein Elektrofahrrad

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US5551315A (en) * 1994-02-03 1996-09-03 Pikoulas; George W. Automatic gear changing system
DE29714938U1 (de) * 1997-08-20 1997-10-30 Hung, Chin-Yeh, Chang Pin Chen, Taitung Automatische Schaltung des Elektrofahrrads
US20050189157A1 (en) * 2001-09-28 2005-09-01 Marcus Hays Electric bicycles and retrofit kits
DE102009014246A1 (de) 2009-03-20 2010-09-23 Schaeffler Technologies Gmbh & Co. Kg Antriebssystem für ein motorisch unterstütztes Fahrrad
DE102011102670A1 (de) * 2011-05-28 2012-11-29 Joachim Trommlitz Fahrrad mit Kettenschaltung und Getriebenabenschaltung
JP5496158B2 (ja) * 2011-08-29 2014-05-21 株式会社シマノ 自転車用制御装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0537693A1 (fr) * 1991-10-14 1993-04-21 Fichtel & Sachs AG Servomoteur servant à contrôler une transmission d'entraînement pour bicyclette
WO2000040428A1 (fr) * 1999-01-07 2000-07-13 Gt Bicycles, Inc. Bicyclette anti-vibrations dotee d'un systeme d'alimentation en air comprime
EP1595784A2 (fr) * 2004-05-13 2005-11-16 Shimano Inc. Unité d'entrainement et base arrière pour bicyclette
EP1607321A2 (fr) * 2004-06-18 2005-12-21 Shimano Inc. Dispositif de commande de bicyclette
EP2500254A1 (fr) * 2011-03-18 2012-09-19 Huang, Yung-Sheng Dispositif de commande électrique de type embrayage pour bicyclette et commande de type embrayage correspondante
DE202012001571U1 (de) 2012-02-15 2012-03-16 Pfau-Tec Gmbh Automatische Fahrradgangschaltung
DE202013001615U1 (de) * 2013-02-16 2013-03-07 Christian Hefter Schaltungsanordnung für ein Elektrofahrrad

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017201449A1 (fr) 2016-05-20 2017-11-23 Genentech, Inc. Conjugués anticorps-protac et procédés d'utilisation
WO2023056069A1 (fr) 2021-09-30 2023-04-06 Angiex, Inc. Conjugués agent de dégradation-anticorps et leurs procédés d'utilisation

Also Published As

Publication number Publication date
DE102013215784A1 (de) 2014-12-18
WO2014198265A1 (fr) 2014-12-18
DE102013215783A1 (de) 2014-12-18

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