Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
  • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
  • F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
  • F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
  • F16H63/18—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
• • 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
  • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
  • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
  • F16H63/30—Constructional features of the final output mechanisms
  • F16H63/3013—Constructional features of the final output mechanisms the final output mechanism being characterised by linkages converting movement, e.g. into opposite direction by a pivoting lever linking two shift rods
• • 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
  • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
  • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
  • F16H63/30—Constructional features of the final output mechanisms
  • F16H63/3069—Interrelationship between two or more final output mechanisms

Definitions

• the invention relates to an arrangement for shifting at least two idler gears on two associated shafts for a transmission of a vehicle according to the type defined in greater detail in the preamble of patent claim 1.
• sliding sleeves In transmissions of vehicles sliding sleeves, switching wheels and synchronizing packages are used for connection and synchronization of loose wheels and shafts.
• the sliding sleeves are moved via shift forks and create a positive connection between the idler gear and the shaft so that a torque can be transmitted between the idler gear and the shaft.
• Wheelset pairing on the respective transmission shafts usually consist of a loose wheel and a fixed gear.
• several energy converters such as an electric motor and an internal combustion engine, are connected to the drive train. In this case, only limited operating functions can be realized by idler gear wheel sets.
• DE 10 2010 043 354 A1 deals with the design of a hybrid transmission for a motor vehicle.
• gear shafts associated loose wheels provided, which are arranged in two Radsatzebenen to form gears.
• the loose wheels are each assigned a switching device for producing a rotationally fixed connection with the associated shaft.
• Switching devices A disadvantage of this embodiment, the fact that for switching the idler gears a variety of Switching devices is required, which complicates the construction of the transmission and makes the manufacture consuming.
• the invention is therefore based on the object to simplify an arrangement of the aforementioned type with regard to their structure and to make cost-effective.
• the object is solved by the features of Pantent tapes 1.
• the first and the second idler gear at the same time decoupled from the respective associated shaft or preserved in this state.
• one or more drive units such as an electric motor, are coupled to the idler gears and initiate speed and load regardless of the operating state of the associated shafts, for example, ancillaries can be driven.
• the first idler gear for non-rotatable coupling with the first shaft and switching from the neutral position to a second switching position, the second idler gear for non-rotatable coupling with the second shaft switchable.
• the idler gears are selectively coupled to the associated shafts or can be decoupled from them.
• the first idler gear in a first switching position of the switching device preferably the first idler gear can be coupled to the first shaft and at the same time the second idler gear can be decoupled from the second shaft or preserved in this state.
• a second switching position of the switching device is preferably the second idler gear coupled to the second shaft and at the same time the first idler gear from the first shaft decoupled or durable in this state. In this way, at least one drive unit via the idler gears with the respective associated shaft can be connected.
• both shafts are connected to both shafts.
• both the first and the second idler gear with the respective associated shaft can be coupled simultaneously.
• the direct ratio between the respective assigned shafts or between the idler gears can be used.
• a particularly simple switching device for the simultaneous switching of two loose wheels can be achieved by a so-called flip-flop or flip-flop.
• a pivotable lever or a pivotable lever system is provided for this purpose.
• the switching device has at least one pivotable about a pivot axis pivot lever.
• a simultaneous switching of the idler gears is possible by a simple swinging back and forth of the pivot lever.
• the first idler gear for rotationally fixed coupling with the first shaft
• the second idler gear for non-rotatable coupling with the second shaft switchable.
• a simultaneous selective switching of two idler gears on two associated shafts is made possible by a swiveling pivoting lever pivots on both sides by a pivotable swivel lever on both sides.
• the pivot lever can be designed here as a simple rocker arm or as a simple rocker switch.
• the switching device is so transferred by pivoting the pivot lever from a neutral position in a pivoting direction in the first switching position and by pivoting the pivot lever in the other pivoting direction in the second switching position.
• the switching device may have at least one rotatably mounted about an axis shift drum or shift shaft.
• the first idler gear for rotationally fixed coupling with the first shaft and by rotating the shift drum or shift shaft from the neutral position in the other direction, the second idler gear for non-rotatable coupling with the second shaft switchable.
• the switching device is so transferred from a neutral position by rotating the shift drum or shift shaft in the one direction of rotation in the first switching position and by turning in the other direction in the second switching position.
• the switching device can be converted by rotating the shift drum or shift shaft in one or the other direction of rotation in the third switching position.
• the loose wheels of the pivot lever preferably forms on both sides of its pivot axis in each case at least one lever arm.
• at least one first lever arm is assigned to at least one first idler gear on the first shaft and on the other side at least one second lever arm is assigned to at least one second idler gear on the second shaft.
• the shift drum or selector shaft preferably has at least a first shift gate and at least one first shift linkage associated therewith and at least one second shift linkage and at least one second shift linkage guided in this second idler gear.
• At least one first switching element on the first shaft and for switching the second idler gear at least one second switching element on the second shaft is provided for switching the first idler gear.
• the switching elements are rotatably arranged coaxially on the respectively associated shaft and along this for coupling or decoupling of the respective associated idler gear with the respective associated shaft displaceable. By switching device both switching elements for coupling or decoupling of the respective associated idler gear with the respective associated shaft can be switched.
• the switching elements may, for example, each be designed as a sliding or sliding sleeve and in particular in each case have a synchronizing packet for the synchronized switching of the respective associated idler gear.
• the pivot lever is at least a first lever arm for switching the first idler gear with at least one associated first sliding sleeve on the first shaft and at least a second lever arm for switching the second idler gear with at least one second sliding sleeve associated therewith second wave in connection.
• the first shift linkage is connected to at least one of the first idler gear associated first sliding sleeve on the first shaft and the second shift linkage with at least one second idler gear associated second sliding sleeve on the second shaft in connection.
• the lever arms on the pivot lever or the shift linkage of the shift drum or shift shaft each have at least one carrier element for positive connection with the respective associated sliding sleeve.
• the entrainment element can be designed as a contact pin protruding on the lever arm or on the shift linkage or a protruding contact nose which engages in a corresponding recess formed on the sliding sleeve, in particular an annular groove on the outer circumference.
• the pivot lever is bow-shaped with two side arms and formed on these with two lever arms.
• the pivot arms are connected on one side to the first lever arms with at least one first idler gear associated first sliding sleeve and on the other side to the second lever arms with at least one second idler gear associated second sliding sleeve.
• first sliding sleeve for switching the first idler gear
• second sliding sleeve for switching the second Losrads each displaceable along the associated shaft. Due to the connection on both side arms of the pivot lever while the sliding sleeves are actuated on both sides and feasible.
• the pivot lever may be designed as a U-shaped bracket with side arms formed on the U-legs.
• the pivot lever is pivotally mounted on the side arms in each case on a pivot bearing in the shaft axis direction.
• the pivot bearing is designed as a ball joint.
• FIG. 1 shows a schematic representation of a device according to the invention in a first embodiment
• FIG. 2 shows a schematic representation of a voltage according to the invention in a second exemplary embodiment
• FIG. 3 shows a perspective view of a variant of the arrangement from FIG. 1 in a third exemplary embodiment
• FIG. 4 shows a further view of the arrangement from FIG. 3
• FIG. 5 shows a partial view of the arrangement from FIGS. 3 and 4
• FIG. 1 shows a first embodiment of an inventive arrangement for switching at least two loose wheels A1, B1 shown on two respective associated shafts A, B for a transmission of a vehicle.
• the waves A, B are arranged axis-parallel.
• a first idler gear A1 is mounted rotatably on a first shaft A and a second idler gear B1 is mounted on a second shaft B.
• the loose wheels A1, B1 are each designed as a gear, are meshing with each other and form a set of wheels, via which one or both shafts with at least one drive unit, not shown, for example, an electric motor, are connectable.
• at least one loose wheel A1, B1 may be connected to the drive unit via a wheel or a wheel chain.
• first and second idler gear A1, B1 for non-rotatable coupling with the respective associated shaft simultaneously switchable.
• the switching device has a switching mechanism for simultaneous switching of the idler gears A1, B2.
• a first idler gear A1 associated first switching element designed here as a sliding sleeve A2
• the second idler gear B1 associated switching element designed here as a sliding sleeve B2, provided.
• the sliding sleeves A2, B2 are rotatably mounted on the respective associated shaft A, B and slidably disposed along this for coupling the respective associated idler gear A1, B1 with the respective associated shaft A, B.
• the switching mechanism acts on the switching elements A2, B2 in such a way that a synchronous switching of the first idler gear A1 and the second idler gear B1 by an actuator or an adjusting device, such as a switching actuator, is possible.
• the switching device has a about a pivot point or about a pivot axis 1 in the direction of the shaft axes back and forth pivotably mounted pivoting lever. This is arranged between the shafts A, B and forms on both sides of its pivot point or its pivot axis 1 each have a lever arm 2, 3.
• first lever arm 2 of the pivot lever with the first sliding sleeve A2 on the first shaft A and the second lever arm 3 with the second sliding sleeve B2 on the second shaft B in combination.
• the sliding sleeves A2, B2 along the respective associated shaft A, B in each opposite directions on the axis-parallel shafts A, B are synchronously displaceable.
• the pivot lever at the end of the first lever arm 2 for connection to the first sliding sleeve A2 and at the end of the second lever arm 3 for connection to the second sliding sleeve B2 each have at least one driving element 4.
• the driving elements 4 each engage the associated sliding sleeve A2, B2 in a form-fitting manner.
• the pivot lever forms a for simultaneous switching of the idler gears A1, B1 about the pivot axis 1 pivotable rocker arm or for simultaneous switching of the idler gears A1, B1 pivotable about the pivot axis 1 rocker switch.
• the carrier elements 4 each engage in recesses corresponding to the outer circumference of the sliding sleeves A2, B2, in this case an annular groove on the outer circumference of the sliding sleeves A2, B2, thus forming an axial form-locking connection between the lever arms 2, 3 and the sliding sleeves A2, B2.
• the pivot lever is shown in the neutral position N.
• first and second idler gear A1, B1 in the respective associated shaft A, B uncoupled state and are thus freely rotatable arranged on this.
• By pivoting the pivot lever from the neutral position N in a pivoting direction, here in the image plane to the right in a first switching position (Pos1) is the first sliding sleeve A2 via the connection on the first lever arm 2 in the image plane to the right on the first shaft A. displaceable.
• the first sliding sleeve A2 with the first idler gear A1 rotatably connected and thereby rotatably coupled to the first shaft A.
• the second sliding sleeve B1 is displaceable to the left via the connection on the second lever arm 3 on the second shaft B in the image plane.
• the second idler gear B1 is preserved in the decoupled from the second wave B state and freely rotatable on this.
• FIG. 2 shows a second exemplary embodiment of an arrangement according to the invention.
• the switching device has a rotatably mounted about a rotation axis 5 shift drum or shift shaft. This is arranged between the shafts A, B with this axis-parallel axis of rotation 5 and forms a first shift gate 6 and a second shift gate 7.
• a first shift linkage 8 connected to the first shift sleeve A2 and a second shift linkage 9 connected to the second shift clutch B2 are guided in the second shift linkage 7.
• first and second shift linkages 8, 9 corresponding to the guide in the first and second shift gate 6, 7, such as indicated by a double arrow, axially reciprocable while the sliding sleeves A2, B2 along the respective associated shaft A, B in opposite or identical directions synchronously displaced.
• the shift linkage 8, 9 each engage at one end in the respective associated shift gate 6, 7 of the shift drum and at the other end portion via driving elements 4 to the respectively associated sliding sleeves A2, B2 form-fitting manner.
• the shift drum is rotatably driven by a coaxially arranged to this actuator or an adjusting device in both directions of rotation about the axis of rotation 5.
• the shift drum is shown in the neutral position N.
• first and second idler gear A1, B1 in each of the respective associated shaft A, B decoupled state and are thereby arranged in each case freely rotatable on this.
• the shift drum By rotating the shift drum about the axis of rotation 5 from the neutral position in a direction of rotation in a first switching position (Pos1), the first sliding sleeve A2 on the first shift linkage 8 in the image plane to the right.
• the first sliding sleeve A2 with the first idler gear A1 rotatably connected and thereby rotatably coupled to the first shaft A.
• FIG. 3 to 9 a variant of the arrangement of Figure 1 is shown with a particular embodiment of the pivot lever in a third embodiment.
• the pivot lever is designed as a U-shaped bracket. It spans at its closed U-side transverse to the shaft axes at each one end of the shafts A, B in a plane as a coaxially arranged sliding sleeves A2, B2 ( Figures 3 and 4). These are designed with the same outer diameter and are on both sides of the formed by the U-leg side arms of the pivot lever.
• the sliding sleeves A2, B2 are arranged for switching the idler gears A1, B1 respectively at their respective ends of the shafts A, B facing sides.
• the pivot lever is articulated on the side arms respectively via pivot bearings 10, 1 1 articulated to the surrounding structure, eg on the gear housing or on the engine block of the vehicle.
• the pivot bearings 10, 1 1 are arranged opposite one another at the mutually facing inside of the side arms approximately at the level of the engagement of the teeth on the loose wheels A1, B1 ( Figures 5, 3 and 4).
• the pivot axis formed by the pivot bearing 10, 1 1 1 between the shafts A, B extends transversely to the shaft axes.
• the pivot lever in the axial direction of the shafts A, B is pivotable back and forth, as indicated by an arrow ( Figure 3).
• the swivel lever is in the neutral position shown and pivoted from this clockwise to the right in the first switching position (Pos1) and counterclockwise to the left in the second switching position (Pos2).
• the pivot bearings 10, 1 1 each have a trained on the inside of the side arms bearing receptacle, each forming a bearing eye, in which a ball head 12, 13 of a support pin is pivotally received ( Figures 5 to 9).
• the side arms are widened in the pivoting direction.
• For further reinforcement is at the height of the pivot bearing 10, 1 1 connecting the side arms connecting cross member formed.
• the pivot lever forms on its side arms on both sides of the pivot axis 1 and the pivot bearing 10, 1 1 on one side two of the first sliding sleeve A2 associated first lever arms 2 and on the other side two of the second sliding sleeve B2 associated second lever arms 3.
• the lever arms 2, 3 are each bounded by a driving element 14 on the side arms, where they are each in communication with the sliding sleeves A2, B2 ( Figures 4, 6 and 7).
• the sliding sleeves A2, B2 are respectively connected on both sides with the side arms to two associated lever arms 2, 3 on the pivot lever.
• the sliding sleeves A2, B2 can be actuated and guided on both sides by both side arms of the pivot lever in this way.
• each driving element 14 is arranged, each associated with a sliding sleeve A2, B2 and formed approximately at the level of the central axes of the shafts A, B.
• the driving elements 14 are in each case in a pin shape on the mutually facing inner sides of the side arms.
• each of a sliding sleeve A2, B2 associated carrier elements 14 are opposite to each other on the side arms ( Figures 5 and 6).
• the distance between the driving elements 14 on the side arms of the pivot lever to the pivot axis 1 is variable and may be different in each case. It is possible that the pivot lever after a pivoting by the spring force of appropriately arranged spring means in the neutral position is reset. For vibration damping spring damper units or additional masses may be attached to the pivot lever.
• a mechanical lock or other locking means may be provided for locking the pivot lever, which prevent pivoting of the pivot lever from the neutral position N or from one of the switching positions Pos1, Pos2.
• the driving elements 14 each engage in recesses corresponding to the outer circumference of the sliding sleeves A2, B2, in this case an annular groove on the outer circumference of the sliding sleeve, thus forming an axial form-locking connection between the side arms of the pivot lever and the sliding sleeves A2, B2.
• connection part 15 For actuation of the pivot lever on a side arm approximately at the height of the pivot axis 1 transversely projecting actuating arm with a vertically extending fork-shaped connection part 15 is provided for a Stellaktor ( Figures 4, 5, 6 and 8), a swinging back and forth and optionally allows a locking of the pivot lever.
• a axial actuating force F for generating a pivoting moment for pivoting the pivoting lever can be introduced (FIGS. 3 and 4).

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Gear-Shifting Mechanisms (AREA)
• Structure Of Transmissions (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=49225997

Family Applications (1)

Country Status (3)

Families Citing this family (3)

Citations (6)

Family Cites Families (4)

• 2012
  • 2012-12-07 DE DE102012222540.4A patent/DE102012222540B4/de not_active Expired - Fee Related
• 2013
  • 2013-08-27 CN CN201380063553.5A patent/CN104838180B/zh not_active Expired - Fee Related
  • 2013-08-27 WO PCT/DE2013/200138 patent/WO2014086343A1/de active Application Filing

Patent Citations (6)

Also Published As

Similar Documents

Legal Events