Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61C—LOCOMOTIVES; MOTOR RAILCARS
  • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
  • B61C9/08—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
  • B61C9/10—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines mechanical
  • B61C9/12—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines mechanical with change-speed gearing

Definitions

• the present invention relates to a drive train of a rail vehicle, such as a locomotive or a railcar.
• the bogie frame usually carries a plurality of wheelsets, each of which in turn comprises two wheels, which are arranged on a wheelset.
• the wheels are driven by a drive motor, usually an internal combustion engine such as a diesel engine. Between gears and drive motor while a transmission is arranged.
• WO 2009 086846 Al describes a drive train for a motor vehicle with an 8-speed transmission, comprising a transfer case with three links, and two Zweigangteilgetriebe.
• the invention is based on the object, a drive train of a
• Embodiments is possible. At the same time, the variety of components and the development, manufacturing and storage costs are to be reduced.
• An inventive drive train of a rail vehicle generally has at least two bogies, comprising at least two wheelsets, each with two wheels. Furthermore, a drive motor for driving the wheelsets or the wheels and a arranged between the drive motor and the wheels branching transmission is provided, comprising a from
• each change gear input is coupled to a branch gear output.
• the branching gear transmits that transmitted from the drive motor
• Branching gear outputs the number of power branches corresponds. Of course, it would also be conceivable that not in each power branch such a transmission is provided.
• the change gear outputs via a summing gear with each other in particular in constant drive connection, wherein the
• Summiergetriebeein saun and at least one Summiergetriebausgang and the summation gear inputs are mechanically coupled to the change gear outputs.
• the summation gear unites the drive power or the torque transmitted via the parallel power branches again.
• the driven wheels of the bogies for example, directly on the change gear, the
• Wheelsets are at least indirectly coupled to the gearbox outputs, or via the summation, in which case the wheelset shafts are at least indirectly in mechanical drive connection with the at least one summation gear output, are rotationally driven. This means at least indirectly coupled that additional drive elements, such as
• the change speed transmission includes a plurality of mechanical ⁇ clutches and / or brakes which are activated or for selective engagement of gear steps of different translations deactivated on.
• Such change gear can be, for example, conventional automatic transmissions, for example, as a so-called starting a hydrodynamic machine, such as a hydrodynamic coupling or a hydrodynamic converter with downstream mechanical switching stages have, or so-called
• Branching gear and / or summing integrated or upstream or downstream of this.
• Differential converter transmissions for example comprising 6 or more gears, or automated manual transmission executed and each have their own housing for receiving the plurality of clutches and / or brakes.
• the drive torque of the drive motor transferable or transmitted to the branching gear is greater than that of each of the
• gearboxes are selectively used, which can individually transmit a maximum of only a fraction of the drive power of the drive motor.
• gearboxes are selectively used, which can individually transmit a maximum of only a fraction of the drive power of the drive motor.
• Figure 1 is a schematic representation of a first alternative of
• Figure 2 is a schematic representation of a drive train of a
• the drive train is constructed as follows: It comprises a drive motor 3, which is preferred as
• Each bogie 1, 2 each comprises two sets of wheels 1.1, 2.1, which in turn have two wheels, which are connected to each other via wheelsets not shown, have.
• the wheelsets 1.1, 2.1, not shown Radsatzgetriebe be assigned.
• a branching gear 4 is connected downstream of the drive motor 3.
• the latter comprises a branching transmission input 4.1, which is coupled to an output shaft 7 of the drive motor 3.
• Both elements could also be designed as a single common shaft. This also applies to the elements described below (inputs and outputs of the corresponding gearbox).
• the power split transmission 4 in the present case comprises two
• Branching gearbox outputs 4.2, 4.3 by means of which on the
• Branching gear 4 transmitted drive power of the drive motor 3 is preferably evenly distributed to all branching gear outputs 4.2, 4.3.
• the latter thus form parallel power branches to divide the drive power transmitted by the drive motor 3. It is in the present everyone Power branch arranged a change gear 5, comprising a change gear input 5.1 and a change gear output 5.2.
• the change gear 5 is the branching gear 4 in
• Branching transmission 4 is carried out according to such that it has a complementary number of power branches and thus
• Summing 6 each have a plurality of summing 6.1, 6.2, which preferably the number of change gear 5 and thus the
• the summing gear 6 comprises three summing gear outputs 6.3, two of which are provided for driving the wheelsets 1.1, 2.1 of the rotary stations 1, 2.
• the third summation gear output 6.3 for example, to drive auxiliary and auxiliary equipment of
• Rail vehicle serve or be connected to another bogie, not shown.
• FIG. 2 shows a further alternative of the drive train according to the invention.
• corresponding components are provided with corresponding reference numerals as in Figure 1.
• the bogies 1, 2 are not connected to the summation 6 in Figure 2, but are about additional change gear outputs 5.2 with the change gear 5 in mechanical drive connection.
• Each bogie 1, 2 is assigned to the drive a single change gear 5. However, this could be different. Thus, two or more bogies 1, 2 could be driven by the same change gear 5.

Landscapes

• Engineering & Computer Science (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Arrangement Of Transmissions (AREA)
• Structure Of Transmissions (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46875731

Family Applications (1)

Country Status (8)

Families Citing this family (3)

Citations (5)

Family Cites Families (3)

• 2011
  • 2011-08-02 DE DE102011109118.5A patent/DE102011109118B4/de not_active Expired - Fee Related
• 2012
  • 2012-08-01 PL PL12759646T patent/PL2739514T3/pl unknown
  • 2012-08-01 RU RU2014107874/11A patent/RU2014107874A/ru unknown
  • 2012-08-01 KR KR1020147005104A patent/KR20140053242A/ko not_active Application Discontinuation
  • 2012-08-01 BR BR112014000054A patent/BR112014000054A2/pt not_active Application Discontinuation
  • 2012-08-01 CN CN201280033157.3A patent/CN103702886B/zh not_active Expired - Fee Related
  • 2012-08-01 EP EP12759646.8A patent/EP2739514B1/de active Active
  • 2012-08-01 WO PCT/EP2012/003278 patent/WO2013017275A1/de active Application Filing

Patent Citations (5)

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