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WO2016169740A1 - Dispositif d'entraînement pour la transmission de mouvements de rotation - Google Patents

Dispositif d'entraînement pour la transmission de mouvements de rotation Download PDF

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Publication number
WO2016169740A1
WO2016169740A1 PCT/EP2016/057009 EP2016057009W WO2016169740A1 WO 2016169740 A1 WO2016169740 A1 WO 2016169740A1 EP 2016057009 W EP2016057009 W EP 2016057009W WO 2016169740 A1 WO2016169740 A1 WO 2016169740A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
lathe
epicyclic gear
drive arrangement
shaft
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.)
Ceased
Application number
PCT/EP2016/057009
Other languages
German (de)
English (en)
Inventor
Sebastian Haas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2016169740A1 publication Critical patent/WO2016169740A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears

Definitions

  • the invention relates to a drive arrangement for the transmission of rotational movements, which can be used, for example, when driving a rotating machine, in particular a feedwater pump.
  • a drive arrangement for the transmission of rotational movements which can be used, for example, when driving a rotating machine, in particular a feedwater pump.
  • the rotating machine By adapting a rotational speed of a rotating machine of a system, the rotating machine can be brought into a loading ⁇ operating state in which a Legitrials ⁇ degree of the system is improved.
  • the adaptation of the speed provides a way to optimize the overall efficiency of the system.
  • An object of the invention is to provide a cost-effective drive arrangement which is adapted to adapt a rotational speed of a rotating machine.
  • the drive arrangement according to the invention comprises at least a first and a second planetary gear.
  • he ⁇ inventive drive assembly comprises at least one speed-rigid, first lathe, which is non-positively connected to a first shaft of the first epicyclic gear, a second lathe, which is non-positively connected to a first shaft of the second planetary ⁇ gear, and a third rotary ⁇ machine , which is non-positively connected to a second shaft of the second Umlaufge ⁇ drive.
  • at least one of the two rotationally fixedly connected to the second planetary gear lathes is a speed-rigid lathe and the two epicyclic gear are connected by a connecting shaft.
  • the invention makes use of the principle of so-called power branching. Furthermore, the invention proceeds from the consideration that in that a power which is absorbed or released from the drive assembly, is distributed to a plurality of rotating machines, each designed Drehma ⁇ machines small and thus also inexpensive leads can be excluded. Since the first rotating machine and at least one of the two ⁇ ⁇ force-locking connected to the second epicyclic gear lathes are speed-rigid, this lathe can also carried out more cost-effective advertising as speed-controlled lathes, especially as can be dispensed with for speed lathes on frequency converter. The second and third lathe can be separately added and / or turned off or separately raised and / or shut down.
  • the drive arrangement makes it possible, with low investment costs, to adapt a rotational speed of a rotating machine, in particular a working and / or power machine, which is frictionally connected to the drive arrangement. Consequently, with the aid of the drive arrangement, an improvement in the (overall) efficiency of a system can be achieved with low investment costs, in particular by adjusting the rotational speed of the rotating machine frictionally connected with the drive arrangement.
  • a frictional connection may be based on a frictional force fit. However, this does not necessarily happen.
  • a non-positive connection based on a material or form fit.
  • the transmission of rotational movements may include a transmission of torques. That is, the drive arrangement may in particular be adapted to transmit torques.
  • connecting shaft can be understood as a common shaft of the first epicyclic gear and the second epicyclic gear.
  • At least one of the aforementioned lathes may be a rotary electric machine.
  • all of the aforementioned lathes may be rotary electric machines.
  • the means for soft start makes it possible to gently add this lathe and / or turn off.
  • the two with the second planetary gear non-positively connected lathes can be speed-rigid lathes.
  • each of the two non-positively connected with the second epicyclic lathes may each be connected to a means for a soft start.
  • the two rotationally connected non-positively with the second epicyclic lathes can gently and / or be switched off.
  • each of the two soft start means mentioned above is an element of the drive arrangement.
  • the first lathe can be connected to a means for a soft start.
  • the drive arrangement may comprise a frequency converter, in particular a 2-quadrant frequency converter.
  • a frequency converter in particular a 2-quadrant frequency converter.
  • it makes sense if one of the two non-positively connected with the second epicyclic lathes is not speed-rigid.
  • the frequency converter with a variable speed operable.
  • the second and / or third lathe has less power than the first rotary ⁇ machine.
  • the second and / or third rotating machine may be designed for a lower (rated) power than the first rotating machine.
  • the second and / or third rotary machine may have about one-fifth to one-half the power of the first rotary machine.
  • the power of the second planetary gearbox kraftschlüs ⁇ sig connected, not speed-rigid lathe higher be as the power of the non-positively connected to the second planetary gear, speed-rigid lathe.
  • At least one of the lathes is a motor.
  • all of the aforementioned lathes may include motors, e.g. Electric motors and / or internal combustion engines, be.
  • at least one of the lathes may be a turbine.
  • all of the aforementioned lathes may be turbines, for example steam and / or water turbines.
  • the individual lathes are different types of drive machines.
  • at least one motor and at least one other of the lathes may e.g. to be a turbine.
  • the two planetary gear can be operated as Studentsla ⁇ gerungsgetriebe.
  • a force fit with a two-th ⁇ shaft of the first planetary gear train verbunde- ne working machine, in particular a working machine with va ⁇ riabler speed be drivable.
  • the working machine can be, for example, a pump, in particular a feedwater pump, a compressor or a blower.
  • at least one of the lathes may be a generator.
  • all of the aforementioned lathes may be generators.
  • the two epicyclic gearboxes are operable as a transfer case.
  • a force-locked with the second shaft of the first planetary gear ver ⁇ connected engine in particular a variable-speed engine, be driven or operated.
  • the engine may for example be a turbine, in particular a turbine of a wind turbine, industrial gas turbine, industrial steam turbine or water turbine plant.
  • the first shaft of the second Umlaufgetrie ⁇ bes have a freewheel.
  • the second shaft of the second planetary gear can have a freewheel.
  • the connecting shaft may have a freewheel.
  • reverse rotation of the connecting shaft can be prevented.
  • the connecting shaft may comprise a first and a second partial shaft which are non-positively connected with each other.
  • the first partial wave is expediently ei ⁇ ne third wave of the first epicyclic gear.
  • the second partial wave is expediently a third shaft of the second epicyclic gear.
  • a freewheel can be arranged between the two partial waves.
  • the first and / or second planetary gear is a planetary gear.
  • the first epicyclic gear can be a translation or a
  • the second planetary gear can realize a translation or a reduction.
  • the drive arrangement may be used inter alia to a discontinuously uing adjusting a rotational speed of the non-positively connected to the second shaft of the first planetary gear train Ar ⁇ driven machine, especially if the two connected non-positively to the second epicyclic gear Lathes are speed-rigid. Since it is possible to dispense with frequency converters for the lathes in such a case, a particularly cost-effective possibility for speed adaptation can be realized by the drive arrangement.
  • the drive arrangement can be used, in particular, for raising and / or lowering the work machine which is non-positively connected to the second shaft of the first epicyclic gear.
  • the second and the third lathe are preferably added successively during startup to the first lathe in operation.
  • the second and the third lathe can in particular be connected in each case via a means for a soft start.
  • the second and the third lathe are successively switched off.
  • the second and the third lathe can be switched off in particular via a respective means for a soft start.
  • the drive arrangement can be used to continuously adapt the rotational speed of the non-positively connected to the second shaft of the first planetary gear Ar ⁇ beitsmaschine, especially if one of the two non-positively verbun ⁇ with the second planetary gear ⁇ lathes is speed controlled or not speed-rigid.
  • the drive arrangement can be used, in particular, for raising and / or lowering the work machine which is non-positively connected to the second shaft of the first epicyclic gear.
  • discontinuous adjustment of the speed is preferably first ramped during startup to the sole in operation only the first rotating machine with the two epicyclic gear ⁇ th positively connected, not speed- rigid lathe.
  • the latter lathe by means of the aforementioned fre ⁇ quenzumrichters with variable speed operable.
  • the non-positively connected with the second epicyclic gearbox, fixed-speed lathe can be connected in particular via a ⁇ tel to a soft start.
  • Legally advantageous ⁇ is (substantially) to the extent in which the rotational speed of the connected non-positively to the second epicyclic gear, fixed-speed rotary machine is hooked up, the rotational speed of the non-fixed-speed and lowered by means of the frequency converter with variable speed operated lathe. In this way the Antechnischsma ⁇ machine can be started up gently. In particular, it can be avoided that the work machine is exposed to shocks and / or speed peaks.
  • the non-positively connected with the second epicyclic gearbox, speed-rigid lathe can be switched off insbeson ⁇ particular via a means for a soft start ⁇ who.
  • the non-fixed-speed and the speed raised (substantially) to the extent in which the rotational speed of the motor ⁇ positively connected with the second planetary gear, fixed-speed rotary machine is istschal ⁇ tet by means of the frequency converter with variable navierebetreibbaren lathe. In this way, the drive machine can be shut down gently.
  • FIG 1 shows a first drive arrangement with three speed-rigid lathes and a work machine, wherein the lathes are electric motors;
  • FIG 2 shows a second drive arrangement with two nadoierestar lathes and operable by means of a frequency converter with a variable speed
  • Lathe and a work machine wherein the lathes are electric motors;
  • the drive arrangement 2 comprises a first lathe 4, a second lathe 6 and a third lathe 8.
  • the three lathe 4, 6, 8 are designed as motors 10, in particular as electric motors.
  • each of the three lathes 4, 6, 8 is a speed-rigid Drehma ⁇ machine.
  • first lathe 4 is set as a main motor ⁇ sets, whereas the second and third lathe 6, 8 are used as auxiliary motors.
  • the second and third Wheelma ⁇ machines 6, 8 each have about one fifth to one half of the power of the first lathe. 4
  • the drive assembly 2 comprises a first epicyclic gear 12 and a second, smaller-sized circulation ⁇ gear 14.
  • the two epicyclic gear 12, 14 are designed as planet tenumlaufgeInstitute and connected via a connecting shaft 16 frictionally with each other.
  • the first lathe 4 is non-positively connected to a first shaft 18 of the first epicyclic gear 12.
  • the second lathe 6 is frictionally connected to a first shaft 20 of the two ⁇ th planetary gear train 14 and the drit ⁇ te lathe 8 is frictionally connected to a second shaft 22 of the second planetary gear train 14 is connected. Furthermore has both the first shaft 20 of the second planetary gear 14 and the second shaft 22 of the second planetary gear 14 a freewheel 24.
  • the drive arrangement 2 comprises a first means for a soft start 26, with which the second Drehma ⁇ machine 6 is connected, and a second means for a soft start 28, with which the third lathe 8 verbun ⁇ is the.
  • a working machine 30 is shown with variable speed, which is in the present embodiment ⁇ example, a feedwater pump 32, for example, a feedwater pump of a power plant.
  • the production machine 30 is the first Umlaufge ⁇ drive frictionally connected with a second shaft 34 12, whereby the Schwarzma ⁇ machine 30 is driven by the drive assembly. 2
  • the two epicyclic gears 12, 14 are operated as superposition gears.
  • the first planetary gear 12 can ei ⁇ ne translation or a reduction realize.
  • the second planetary gear 14 realize a translation or a reduction.
  • the speed-rigid, first lathe 4 are the first Wel ⁇ le 18 of the first epicyclic gear 12 before a fixed speed. From this rotational speed and a rotational speed of the connecting shaft 16 to a uniquely determined rotational speed of the work ⁇ machine 30.
  • the speed of the connecting shaft 16 results in turn results from a rotational speed of the first shaft 20 of the two ⁇ th epicyclic gear 14 which defined by the second rotating machine 6 is, as well as from a rotational speed of the second shaft 22 of the second epicyclic gear 14, which is predetermined by the third lathe 8.
  • the drive arrangement 2 is used to adapt a rotational speed of the working machine 30 discontinuously, in particular stepwise. For example, when a higher delivery capacity is required, work machine 30 is raised, that is their speed He ⁇ increased.
  • work machine 30 is raised, that is their speed He ⁇ increased.
  • at the in-use first rotating machine 4 via the means for soft starter 26, 28 sukzes ⁇ sive the second and third rotary machine 6, 8
  • the machine will shut down 30, that is, reducing their rotation ⁇ number.
  • the second and third lathe 6, 8 are switched off successively (possibly in reverse order of addition) from the first, second and third lathe 4, 6, 8 in operation via the means for soft starting 26, 28.
  • the second and / or third lathe 6, 8 can be switched on and off directly (that is, without means for soft start).
  • the drive arrangement 2 can have one or more further lathes (as secondary motors). For each of these further lathes, the drive assembly 2 can also each have an additional superposition gear ⁇ , which can be dimensioned smaller in particular than the second planetary gear 14.
  • ⁇ can be dimensioned smaller in particular than the second planetary gear 14.
  • the third lathe 8 is a speed-controlled or non-speed-fixed lathe.
  • the drive arrangement 36 has a frequency converter 38, in particular a 2-quadrant frequency converter, instead of the second means for soft start 28 (see FIG.
  • the third lathe 8 is connected to the frequency converter 38. Moreover, the third rotary engine 8 by the Fre quency inverter ⁇ 38 at a variable speed is operable.
  • the third lathe 8 has a slightly larger Leis ⁇ tion than the second lathe. 6
  • the drive arrangement 36 is used to continuously adapt a rotational speed of the work machine 30.
  • the work machine 30 is started up.
  • the third lathe 8 is initially raised to the first lathe 4 in operation.
  • the second lathe 6 is turned on by the soft start means 26.
  • the speed of the third rotary ⁇ machine 8 is lowered by the frequency converter 38.
  • the work machine 30 is shut down.
  • 8 is first shut down only from the in-use first, second and third rotating machine 4, 6, the third Wheelma ⁇ machine.
  • the second lathe becomes 6 switched off via the means for soft start 26 when the third lathe 8 reaches a lower limit of their Drehierebe ⁇ rich.
  • the rotational speed of the third lathe 8 is increased.
  • FIG. 3 schematically shows a third drive arrangement 40 for transmitting rotary movements.
  • This drive assembly 40 differs from the driving device 2 of FIG 1 un- ter alia, in that the three rotary machines 4, 6, 8 speed rigid generators 42, which feed electrical Ener ⁇ energy into a power grid.
  • a variable-speed engine 44 is provided instead of the working machine 30 (cf., FIG. 1 and FIG. 2).
  • the engine 44 is a turbine 46.
  • the engine 44 is non-positively connected to the second shaft 34 of the first epicyclic gear, whereby the power ⁇ machine 44 can be driven or operated by the drive assembly 40. Furthermore, the two epicyclic gear 12, 14 operated as a transfer case.
  • the connecting shaft 16 has a freewheel 24.
  • the connecting shaft 16 of the drive arrangement 2 from FIG. 1 and / or the connecting shaft 16 of the drive arrangement 36 from FIG. 2 can also have a freewheel 24. If, as in the present case, the connecting shaft 16 has a freewheel 24, can in principle on the freewheel 24 of the first shaft 20 of the second epicyclic gear 14 and / or on the
  • Freewheel 24 of the second shaft 22 of the second planetary gear 14 can be omitted.
  • the drive assembly 40 is employed to discontinuous, particularly in stages, to adjust a speed of the engine 44, to bring the combustion engine 44 in a specified differently surrounded operating point and to keep in this operating point.
  • the engine 44 is analogous to the ter above, in connection with FIG. 1 described manner, according to which the working machine up or down ⁇ is driven up or shut down.
  • the third lathe 8 may alternatively be a variable speed generator and be connected to a frequency converter instead of the second soft start means 28.
  • the drive assembly 40 may be used to continuously adjust the speed of the engine 44 to bring the engine 44 to a predetermined operating point and maintain it at that point.
  • the engine 44 is analogous to the white ⁇ ter above in connection with FIG Art 2-described manner, according to which the working machine is high or shut down high, or shut down.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

L'invention concerne un dispositif d'entraînement (2 ; 36 ; 40) destiné à transmettre des mouvements de rotation. Selon l'invention, pour réaliser un dispositif d'entraînement (2 ; 36 ; 40) à faible coût, qui est approprié pour adapter une vitesse de rotation d'une machine tournante, le dispositif d'entraînement (2 ; 36 ; 40) comprend au moins un premier et un deuxième engrenage planétaire (12, 14), au moins une première machine tournante (4) à vitesse de rotation fixe qui est reliée à force à un premier arbre (18) du premier engrenage planétaire (12), une deuxième machine tournante (6) qui est reliée à force à un premier arbre (20) du deuxième engrenage planétaire (14), et une troisième machine tournante (8) qui est reliée à force à un deuxième arbre (22) du deuxième engrenage planétaire (14). En outre, selon l'invention, au moins une des deux machines tournantes (6, 8), reliée à force au deuxième engrenage planétaire (14), est une machine tournante à vitesse de rotation fixe et les deux engrenages planétaires (12, 14) sont reliés entre eux à force par un arbre de liaison (16).
PCT/EP2016/057009 2015-04-20 2016-03-31 Dispositif d'entraînement pour la transmission de mouvements de rotation Ceased WO2016169740A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015207103 2015-04-20
DE102015207103.0 2015-04-20

Publications (1)

Publication Number Publication Date
WO2016169740A1 true WO2016169740A1 (fr) 2016-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/057009 Ceased WO2016169740A1 (fr) 2015-04-20 2016-03-31 Dispositif d'entraînement pour la transmission de mouvements de rotation

Country Status (1)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120447A5 (fr) * 1970-12-30 1972-08-18 Creusot Loire
US8928266B1 (en) * 2013-09-29 2015-01-06 William Chin-Woei Lin High efficiency electric motor drive system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120447A5 (fr) * 1970-12-30 1972-08-18 Creusot Loire
US8928266B1 (en) * 2013-09-29 2015-01-06 William Chin-Woei Lin High efficiency electric motor drive system

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