• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In an adjusting device of a transmission ratio between a traction means and a wheel axle rotatable about a wheel axle, which comprises at least two wheel blades, which are optionally wrapped by the traction means, wherein at least one of the wheel blades is composed of a plurality of independently adjustable Radkranzsegmenten, wherein an adjustment by the adjusting device the wheel rim segments with respect to a fixed plane ("flight plane"), in which the traction device wraps around the wheel, is effected in a direction substantially transverse to the alignment plane, wherein the adjusting device at least one electrically actuable actuator (3,7), in particular a servomotor comprises, it is provided that the at least one adjusting element (3,7) with the at least two wheel blades is arranged co-rotating.
    公开号:AT516330A1
    申请号:T669/2014
    申请日:2014-09-01
    公开日:2016-04-15
    发明作者:Gregor Schuster
    申请人:Gregor Schuster；
    IPC主号:
    专利说明:

    Control of a gearbox with segmented wheels by means of electrical
    actuators
    Field of the invention and technical background
    The invention relates to the field of multi-stage transmissions for transmitting power to endless, articulated or flexible traction-transmitting means, such as e.g. a belt or a chain. In particular, the invention relates to an adjusting mechanism for adjusting a transmission ratio between a traction means, such as a traction mechanism. a chain or a belt, and a wheelset rotatable about a wheel axle, which comprises two or more Radblät¬ter. At least one of the wheel blades is composed of a plurality of independently adjustable Rad¬kranzsegmente, wherein using electrically operated Stellvorrichtungen, these are moved in and out of the traction means and thus the transmission ratio is changed depending on the choice of one of the Radblättem ,
    The invention is concerned with the consideration of which electrical elements are suitable for moving the sprocket segments or which sensors are required to suitably control these electrical elements. For the control of changeable translations with Radkranzsegmente Lösungs¬ principles are known.
    In this case, depending on a Radkranzsegment associated mechanical actuators are moved by accumulating on a standing switch or ramp and so their movement or associated with the movement of the Radkranzsegment is forced. For example, such actuator elements may be eccentrics that move the segment into and out of the work area or wedges that do so by axial movement.
    Solutions are also known where the movement of all the wheel segments is simultaneously triggered by a central and rotationally coupled actuator for vertical control. Here, the wheel segments are prevented from their final movement by a spring buffer until they are deflected by e.g. a template can be made.
    Furthermore, solutions of electrical controls of conventional derailleurs are known, but also have the disadvantage that a derailleur mounted on the stationary part (e.g., bicycle frame) forces the change of traction medium between the undivided wheel blades. Again, there is an interface between rotie¬render and stationary unit.
    However, all of these solutions have the disadvantage that an interface to the stationary part must be present.
    By contrast, the invention is based on the approach of using electrically operated components which do not require such a mechanical interface.
    The use of electrically controlled actuators for moving the Radseg¬mente overcomes the disadvantages of the aforementioned approaches. It eliminates the mechanical interface between stationary and rotating unit. This also eliminates known tolerance problems which, when the rotating unit is moved and distorted by the driving or driving force, lead to undesired touches or switching operations. Also eliminates a significant proportion of the assembly effort, since the entire device consists only more of a self-contained unit. In addition, the controls of such units via rods or ropes take place, which in turn are subject to wear and temperature, or age-related length changes. This makes it necessary to continuously readjust such systems. Not, however, when such elements are completely eliminated and replaced by electrically operated elements. These have the advantage that they are always in their final position or up to a stop method.
    Some solutions use the principle of the temporary process of split, segmented or interrupted sprockets, only during the switching process itself, to "fetch" the chain to the next larger or smaller diameter. Such solutions are e.g. in US 4,127,038 or US 4,580,997. Here, the chain is brought into the alignment of the next chainring by pivoting or axial movement of the larger or smaller adjacent Kettenblattsek¬tors. The escape of the chain then changes with the change of the gear ratio.
    The CH 617 992 A5 shows a principle in which the chain segments are gradually fed to the alignment of the chain. The chainring segments are individually mounted by means of bolts on a nitriding device. This allows a smaller design. This makes it possible in principle possible to construct a chain circuit, which provides the entire spectrum of translation ratios on only one axis.
    In all currently known principles, movement of the sprocket segments is effected by contact of the rotating member via e.g. Bolt with a fixed part, i.e. a relative to the rotating unit, on which the wheel rim segments are located, unobstructed part, e.g. a radially movable carriage achieved. This results in the disadvantage that there is constant mechanical contact and therefore friction during operation of the system. In addition to undesired stress and wear, this also leads to noise development and requires the observance of precise tolerances in the production or high adjustment effort during assembly. This makes such principles in practice tax and makes their assembly difficult.
    Likewise, an electrically controlled unit knows the advantage of being very well suited as automatic drives with corresponding sensors. Thus, when querying the speed and load depending on these parameters, the automatic and caused by the electronics gearshift done.
    Brief description of the invention
    It is therefore an object of the invention, starting from the approach of using segmented, split and / or broken sprockets to overcome the disadvantages mentioned. As far as possible, there should be no more standing unit needed for the switching operation.
    The object is achieved by electrical drive elements according to the claims, wherein the independent claims describe the basic features of the invention and the dependent claims advantageous refinements and embodiments.
    The adjusting mechanism according to the invention is particularly suitable for a gearshift in which the adjusting mechanism is mounted on a gear wheel, for example a gear wheel serving as the driving wheel of a bicycle gearshift.
    However, the drive elements according to the invention can also be used on a driven wheel, which in turn can be the drive wheel of a vehicle, in particular a bicycle.
    In particular, the object is achieved by electrically driving elements mounted directly on the rotating unit, which move the segments into and out of their working position (in engagement with the traction means).
    On the one hand, such control elements can be actuating motors which directly or via a lifting spindle, eccentric or wedges bring about the movement of the wheel rim segments and lock them in their working position so that the rim segments are fixed in this position after their positioning operation until the servo motor drives the lifting spindle, the eccentric or the eccentric Wedge is moved again, thereby releasing the fixation.
    On the other hand, such control elements can also represent electrically controlled Hubmagne¬te that accomplish the movement and fixation of the wheel rim segments directly or via an eccentric or wedge.
    The movement of the wheel segment caused by the electrical control element can only take place in that region in which the traction means is not located on the wheel segment or may not be introduced where the first wheel segment has just passed the incoming traction medium. This makes it necessary to recognize the appropriate area for the movement. This can be done according to the invention, on the one hand, by fixing a plug to the stationary part so that a sensor on the rotating unit recognizes it as it passes by and can thus recognize the area in which the switching operation of the wheel segment not wrapped by the traction means or its associated electrical control element triggers.
    On the other hand, this can be done by a sensor directly interrogating the presence of Zugme¬diums on the rotating unit itself and thus triggers the Schalt¬ process the associated wheel segment in a negative query.
    According to the invention, however, the use of a single control element, such as a einzi¬gen, centrally operating servo motor can be realized, idem all segments are acted upon by a clutch or a spring buffer simultaneously with the force, but the actual movement can take place only when the segment in the free area of the pulling medium is moved.
    However, this release of the movement may also be e.g. can be done by interrogating a mechanical element that exists on the chain and allowing the movement only after it has left the area.
    Brief description of the drawings
    The invention together with further details and advantages will be explained in more detail below with reference to preferred, non-limiting embodiments of the invention, which are illustrated in the accompanying drawings. These show:
    Fig. 1 shows an actuating mechanism of an undivided small sprocket and four pivotally mounted sprocket segments, each with a servomotor moves over a Hubspindeldie sprocket segments.
    Fig. 2 is an end view of an actuator according to a first embodiment with sensors sensing the presence of the chain.
    Fig. 3 is an actuating mechanism according to FIG. 1 with a solenoid per Zahnkranzsegmente derdiese this directly moved and powered and operated via a co-rotating control unit and Spannungsver¬ supply without connection to the stationary unit.
    4 shows the adjusting mechanism of FIG. 3 as an end view
    Fig. 5 shows an actuating mechanism according to FIG. 1 with a solenoid per sprocket segments derdiese this moves over an eccentric lever.
    FIG. 6 shows an adjusting mechanism according to FIG. 1 with a single central, annular lifting magnet which is arranged around the shaft and moves the toothed rim segments via one eccentric lever each.
    FIG. 7 shows an adjusting mechanism according to FIG. 1 with a single central annular actuating motor which is arranged around the shaft and moves the toothed rim segments via a cam disc and one respective eccentric lever.
    Fig. 8, the adjusting mechanism of FIG. 7 as an end view
    FIG. 9 shows an adjusting mechanism according to FIG. 1 with a single central, ring-shaped actuating motor which is arranged around the shaft and moves the toothed rim segments over friction wheels.
    10 shows the setting mechanism of FIG. 9 as a front view. DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION FIG
    A first aspect of the invention largely avoids contact between stationary and rotating units, namely in that the mechanism is omitted at a standing point, which causes the displacement of the sectored, split or broken sprockets. The actuating mechanism in Fig. 1 shows sprocket segments (2) which are moved by rotating a spindle (5) in and out of its working range. This rotational movement takes place by switching on and off or the change of direction of a servomotor (6) per toothed crane segment which is supported on a fixed part, here the small, undivided sprocket (2). The associated positioning motor is energized when the contact with the stationary power supply is established by the rotation movement.
    Fig. 2 shows an embodiment according to Fig.l but a sensor (7) per actuator, which interrogates the presence of the chain (8), fixed so that the adjusting movement or the Einschal¬ten the servomotor or the beginning of the adjustment of the Toothed crane segment starts at the right time and so the ring gear segment is only adjusted when it is imrüchtumschlungenen area of the traction device.
    Fig. 3 shows a preferred embodiment, each with a solenoid (5) per Zahnkranz¬segment that moves the sprocket segment directly in and out of the working position. A titrating power supply (3) and electronics (1) are operated by radio (2) by a transmitter (4) without contact. The presence of the pulling means (7) is interrogated by a sensor (6) and the setting process per toothed-crane segment is effected at the appropriate time in the rotation when the toothed-crane segment is in the non-enveloping region of the traction means.
    4 shows the end view of FIG. 3
    Fig. 5 shows an embodiment with sprocket segments (1) which are forced by a lever (2) for movement by a lifting magnet (4). In this embodiment, it is possible to use a lifting magnet which has no force in its end position for fixing the toothed rim segment, since self-locking occurs due to a favorable curve progression. The respective toothed crane segment is thus fixed in its respective end position.
    Fig. 6 shows an embodiment with a central, annularly arranged around the rotational axis lifting magnet (6), which actuates a plunger per sprocket segment by its position change between two axial end positions via a wedge-shaped ring (5), in turn via a spring latch (4) Movement of the lever (3) performs only when the chain (2) has left the small sprocket.
    Fig. 7 shows an embodiment according to Fig. 6, but the plungers (3) are actuated by a servomotor (1) arranged centrally around the shaft and by a cam disc (2). The mechanical interrogation of the presence of the chain (6) also becomes here by a projection on the lever (5) accomplished.
    FIG. 8 shows the end view of an arrangement of FIG. 7. FIG.
    9 shows an embodiment with a central servomotor (1) which drives a friction wheel (2), which in turn drives a friction wheel (3) in frictional engagement, which, connected to a spindle (4), moves the sprocket segment (7). By the cam disc (5) the Reib¬rad (3) as long as its movement and thus the adjustment of the toothed crane segment (7) prevented until the chain (6) has left the area of the small sprocket.
    10 shows the end view of the arrangement according to FIG. 9.
    It is understood that the here shown and described aspects and Ausführungsfor¬men invention and its details can be combined.
    Claims 1. Control for a setting mechanism of a transmission ratio between a pull means and a wheel set which can be rotated about a wheel axle and which has two or more wheel sets.
    权利要求:
    Claims (17)
    [1]
    Fig. 5 shows an embodiment with sprocket segments (1) which are forced by a lever (2) for movement by a lifting magnet (4). In this embodiment, it is possible to use a lifting magnet which has no force in its end position for fixing the toothed rim segment, since self-locking occurs due to a favorable curve progression. The respective toothed crane segment is thus fixed in its respective end position. Fig. 6 shows an embodiment with a central, annularly arranged around the rotational axis lifting magnet (6), which actuates a plunger per sprocket segment by its position change between two axial end positions via a wedge-shaped ring (5), in turn via a spring latch (4) Movement of the lever (3) performs only when the chain (2) has left the small sprocket. Fig. 7 shows an embodiment according to Fig. 6, but the plungers (3) are actuated by a servomotor (1) arranged centrally around the shaft and by a cam disc (2). The mechanical interrogation of the presence of the chain (6) also becomes here by a projection on the lever (5) accomplished. 8 shows the end view of an arrangement of FIG. 7. FIG. 9 shows an embodiment with a central servomotor (1) which drives a friction wheel (2), which in turn drives a friction wheel (3) in frictional engagement, connected to a spindle (4 ) moves the sprocket segment (7). By the cam disc (5) the Reib¬rad (3) as long as its movement and thus the adjustment of the toothed crane segment (7) prevented until the chain (6) has left the area of the small sprocket. FIG. 10 shows the end view of the arrangement according to FIG. 9. It is understood that the aspects and embodiments of the invention shown here and described and their details can be combined with one another. Claims 1. Control for an actuating mechanism of a transmission ratio between a pull means and a wheelset rotatable about a wheel axle, which comprises two or more wheel blades which are optionally wrapped by the traction means, wherein at least one of the wheel blades is composed of a plurality of mutually independently adjustable wheel rim segments wherein the adjusting mechanism causes adjustment of the rim segments relative to a fixed plane ("flight plane") in which the traction device wraps around the wheel set in a direction substantially transverse to the alignment plane, characterized by at least one electrical control element passing through a circuit thereby leading at least one wheel crane segment or a block such in and out of his workspace.
    [2]
    2. Execution according to claim 1, characterized by a respective servomotor per Rakranzseg-ment or Radkranzsegmentblock
    [3]
    3. Execution according to claim 2, characterized by one sensor per servomotor, which interrogates the presence of the chain at a certain position and, in the case of negative queries, switches the associated servomotor.
    [4]
    4. Execution according to claim 2, characterized by a spindle, which is driven by a servomotor and by screwing in or unscrewing a nut, which is connected to one of the Radkranzsegmente or blocks, the adjusting operation obtains.
    [5]
    5. Execution according to claim 2, characterized by a spindle which is driven by an actuating motor and by screwing in or unscrewing a nut, which is connected to an eccentric, the wheel rim segments or blocks thereby moves into and out of its work area.
    [6]
    6. embodiment according to any preceding claims 2 to 5 characterized by a Feder¬speicher which prevents movement of the Radkranzsegmentes until the Radkran¬segment is in the non-looped region of the traction means.
    [7]
    7. Embodiment according to claim 1, characterized by a central servo motor, which actuates an interposed spring memory, and so finally after reaching the non-looped region of the traction means, the movement of the Radkranzsegmente.
    [8]
    8. Execution according to claim 1, characterized by a central servo motor which drives the spindle of the individual segments via a friction clutch, and thus actually moves them when their actuating movement is released by a mechanical element.
    [9]
    9. Execution according to claim 1, characterized by in each case one electrically operated lifting magnet per wheel rim segment or wheel rim segment block which effects the movement of the wheel crane segments.
    [10]
    10 - execution according to claim 9, characterized by one sensor per solenoid queres the presence of the chain at a certain position and only when negative query the associated solenoid switches and thus moves the Radkranzsegment.
    [11]
    11 - Implementation according to claim 9, characterized by at least one lifting magnet connected to an eccentric which moves wheel rim segments or blocks by movement of said eccentric into and out of its working area.
    [12]
    12 embodiment according to claim 1, characterized by a central lifting magnet which operates an intermediate spring store, so that finally, after reaching the unextended area of the traction means, the movement of the Radkranzsegmente due to the triggering of a mechanical element is released.
    [13]
    13 embodiment according to claim 1 characterized by a co-rotating electronic control unit and power supply.
    [14]
    14 embodiment according to claim 1 characterized by a fully autonomous operating device, the contact receives the command to operate the co-rotating eletri¬ electrical control elements.
    [15]
    15 embodiment according to claim 1, characterized by an adjusting device with at least one co-rotating electrical control elements that receives the power supply via a slip ring contact.
    [16]
    16 embodiment according to claim 1, characterized by an adjusting device with a plurality of trimming electrical control elements which are each assigned to a wheel crane segment or a block of such and their pinpoint control is caused by the in derrotierenden movement caused close a contact to the stationary Spannungs¬versorgung.
    [17]
    17 embodiment according to claim 1 characterized by a sensor that measures the rotational speed and or the driving force and thereby triggers automatically obtains the gear change.
    类似技术:
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    引用文献:
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    法律状态:
    2021-04-15| PC| Change of the owner|Owner name: PRAXIS WORKS LLC, US Effective date: 20210302 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA669/2014A|AT516330B1|2014-09-01|2014-09-01|Control of a transmission with segmented wheels by means of electrical control elements|ATA669/2014A| AT516330B1|2014-09-01|2014-09-01|Control of a transmission with segmented wheels by means of electrical control elements|
    US15/507,656| US10259532B2|2014-09-01|2015-09-01|Controlling a transmission with segmented wheels by means of electronic control elements|
    EP15763817.2A| EP3188958A1|2014-09-01|2015-09-01|Controlling a transmission with segmented wheels by means of an electronic control element|
    PCT/AT2015/000115| WO2016033623A1|2014-09-01|2015-09-01|Controlling a transmission with segmented wheels by means of an electronic control element|
    US16/384,485| US20190241235A1|2014-09-01|2019-04-15|Controlling a Transmission with Segmented Wheels by Means of Electronic Control Elements|
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