CN110500393A - Power transmission equipment - Google Patents

Power transmission equipment Download PDF

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Publication number
CN110500393A
CN110500393A CN201910405310.4A CN201910405310A CN110500393A CN 110500393 A CN110500393 A CN 110500393A CN 201910405310 A CN201910405310 A CN 201910405310A CN 110500393 A CN110500393 A CN 110500393A
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CN
China
Prior art keywords
power
converter
power transmission
transmission equipment
output end
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.)
Pending
Application number
CN201910405310.4A
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Chinese (zh)
Inventor
H.格拉夫
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Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of CN110500393A publication Critical patent/CN110500393A/en
Pending legal-status Critical Current

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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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
    • 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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
    • F16H47/085—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion with at least two mechanical connections between the hydraulic device and the mechanical transmissions
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H57/022—Adjustment of gear shafts or bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/088—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H57/022—Adjustment of gear shafts or bearings
    • F16H2057/0221—Axial adjustment

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

The present invention relates to a kind of power transmission equipments.The invention is characterised in that rotational speed converter/the torque converter and hydraulic coupling of fluid power mutually prejudicially, with being preferably parallel to each other are arranged and the transfer gear by arranging in the housing can be connect with the input terminal of power transmission equipment in the case where constituting two power legs respectively.According to present invention provide that axial thrust compensation device.

Description

Power transmission equipment
Technical field
The present invention relates to a kind of power transmission equipments, and specifically the power transmission equipment has shell；With at least One input terminal that can be connect with drive train simultaneously has the output end that can be indirectly connected with less with machine for doing work；It is defeated with being arranged in Enter mechanical first power leg in the force flow between end and output end and it is other include hydrokinetic rotational speed converter/ Second power leg of torque converter, second power leg include at least one pump impeller, at least one turbine and at least One directive wheel, wherein the two power legs can be connect by superposition gearing with output end；First and second power Branch is arranged in parallel to each other, and is able to the input terminal with power transfering device by the transfer gear of arrangement in the housing Connection is connect with the input terminal of power transfering device respectively；First and second power legs pass through arrangement in the housing tired Add transmission device that can connect with the output end of power transmission equipment or connect respectively with the output end of power transmission equipment respectively； The axis carried to rotational speed converter/torque converter turbine of fluid power is supported in the housing by least one bearing. Power transmission equipment be particularly suitable for from the input shaft that there is the drive train of not variable speed to be at least indirectly connected to have Transmission of the machine for doing work of the revolving speed of variation at least indirectly the power of attachable output shaft.The invention further relates to a kind of revolving speeds can The power train of the machine for doing work of change, especially pump drive comprising at least one is in turbine form, especially steam turbine Form, drive train via power transmission equipment to machine for doing work.
Background technique
This power transmission equipment is from numerous embodiments known in the art.It is divided into herein dynamic with adjustable fluid The second embodiment of the first embodiment of mechanics connector and the power leg with machinery fluid dynamics.For second The representative of embodiment please refers to document DE 34 41 877 A1 and DE 10 2,008 034 607.Two documents all disclose A kind of power transmission equipment of the machine for doing work for driving variable speed, the power transmission equipment by fluid power branch and have The transmission device of planetary driving device is constituted.The power leg of fluid power is realized by the converter of fluid power and passes through the converter It is adjustable in terms of its revolving speed.The branch of the fluid power and the power leg of Mechanical transformation in planetary driving device again Merge and machine for doing work is driven with desired revolving speed with this, although the drive train of power transmission unit of the driving at input shaft With constant rotation speed operation.
2016/012317 A1 of document WO discloses a kind of embodiment of the power transmission equipment with power leg, Wherein, the power leg and other power leg for the fluid power that can be realized by converter are prejudicially arranged and are passed by superposition Dynamic device converges again.The adjusting connector (Regelkupplung) of fluid power also can be set in the other power leg The hydrodynamic component of form.In installation site, this parallel arrangement mode can be in a horizontal or vertical plane It carries out, can also be carried out in the plane mutually to offset in the horizontal and vertical directions.Eccentric arrangement one side advantage It is that expensive swivel joint can be saved, on the other hand to provide power transmission equipment along the make of axially compact.By putting down The feasible transmission device integrated caused by row is arranged enables the driving revolving speed at each independent hydrodynamic component with corresponding Mode be changed and convert, be on the one hand able to rely on compact small-sized hydraulic power unit, furthermore power transmission equipment It can be installed in existing utility in a simple manner, without additional measure, especially transmission device is arranged.Here, power passes Transfer device can adjust the requirement for adapting to applicable cases in optimal manner according to the design of transfer gear.In total range of operation In single range of operation, power transmission passes through different power legs respectively and carries out.It is passed in the power of the connector by fluid power In the case where defeated, the converter of fluid power is drained.This is equally applicable to by converter and in the second other power leg The mechanical power transmission directly driven.
The bearing of hydrodynamic component is carried out in the housing and is correspondingly designed for, and is compensated accordingly since mobilization force generates Single hydrodynamic component single active wheel axial thrust.Since the size of axial-thrust component leads to bigger bearing Part, the supporting member is also by strong dynamic load.
Summary of the invention
The technical problem to be solved by the present invention is to minimize axial thrust.
Solution according to the invention is indicated by a kind of power transmission equipment and power train.
A kind of power transmission equipment, with shell and following characteristics:
There is at least one input terminal that can be connect with drive train and the output that can be at least indirectly connected with machine for doing work End,
There is mechanical first branched power and the other packet being arranged in the force flow between input terminal and output end Include the second branched power of rotational speed converter/torque converter of fluid power, second branched power include at least one pump impeller, At least one turbine and at least one directive wheel, wherein the two power legs can pass through superposition gearing and output end Connection；
- the first and second power legs are arranged in parallel to each other, and can be divided by the transfer gear of arrangement in the housing It does not connect with the input terminal of power transmission equipment or is connect respectively with the input terminal of power transmission equipment；
- the first and second power legs are by arranging that cumulative transmission device in the housing can be set with power transmission respectively Standby output end connection is connect with the output end of power transmission equipment respectively；
The axis carried to rotational speed converter/torque converter turbine of fluid power passes through at least one supporting arrangement Bearing is in the housing.
According to the present invention, caused by the rotational speed converter of fluid power/torque converter operation at turbine Axial thrust arranges that axial thrust removes load between the rotational speed converter/torque converter turbine and supporting arrangement of fluid power Device can reliably compensate axial thrust in the different operating point of converter with this, without setting for maximum thrust state The bearing of meter shaft.
If being arranged after rotational speed converter/torque converter of fluid power along from the force flow of input terminal to output end There is the input terminal that can be connect with rotational speed converter/torque converter of fluid power for braking and/or locking superposition gearing Device, then axial thrust goes load device to be arranged in rotational speed converter/torque converter turbine of fluid power and described be used for The device of the input terminal that can be connect with rotational speed converter/torque converter of fluid power of braking and/or locked superposition gearing Between.In this case, the axial thrust that axial thrust goes load device to be preferably designed for two-sided action removes load device.
In particularly advantageous Curve guide impeller, rotational speed converter/torque converter of fluid power has input channel, and being used for will Working media is input to working chamber.Axial thrust goes load device that there is at least one to remove load cell, goes load cell that can lead to The pressure chamber load for crossing at least one energy stuffing pressure medium, the reaction force relative to thrust is applied on axis, In, rotational speed converter/torque converter filling channel of pressure chamber and fluid power couples.
According to particularly advantageous design scheme, axial thrust, which removes load device thus, has thrust-balancing ring, thrust-balancing Ring has input channel for pressure medium of the construction in thrust-balancing ring, and the input channel is at the end of thrust-balancing ring Side is passed through in annular chamber.It is provided with the first side-lens and the second side-lens, the two is respectively axially adjacent and in thrust-balancing It is arranged on the mutually opposed side of ring, to generate First pressure chamber and second pressure chamber, wherein First pressure chamber and the second pressure Power chamber is sealed in stream side out by labyrinth respectively, and passes through the first throttle for First pressure chamber in the side that becomes a mandarin Position respectively constitutes being connected to relative to annular chamber with the second throttle position for second pressure chamber, the stream for pressure medium Enter.Furthermore the restricting element of the sheet in setting insertion annular chamber.Thrust-balancing ring and restricting element are arranged to, two components One in (thrust-balancing ring and restricting element) is axially fixed, and another component follows the axial direction for the machine shaft attached It is mobile, wherein by the axial relative movement between thrust-balancing ring and restricting element so that first throttle position and the Two throttle positions open and close reciprocally, to generate pressure difference between First pressure chamber and second pressure chamber.
In the design aspect of power transmission equipment, there are a variety of feasible programs.
According to the first design scheme constructed particularly compact in the axial directionly, the component of fluid power is along axial direction almost without dislocation ground It is arranged in two different power legs in parallel to each other.Here, the degree of eccentricity substantially determines power conversion unit along axial Structure size.
In alternative construction, the component of fluid power is arranged with having dislocation along axial direction.To collect when there are also additional functional unit When in single power leg, this is especially beneficial.Furthermore this additional component may is that
A) the second converter with other transfer characteristics in the second power leg.Advantage is that the second converter exists There is improved efficiency in the range of speeds of the efficiency decline of first converter.
B) system additional between the turbine and planetary gear transmission mechanism of the connector of the fluid power in the first power leg Dynamic device.
However also it is possible that above-mentioned additional component is integrated in the hydrodynamic component being arranged in two power legs along axial In the layout not misplaced.
In general, power transmission is carried out in different ranges of operation by hydraulic coupling and liquid force converter.In particular The soft starting of realization and transmission of the control/adjusting in the first power leg in the subrange of total range of operation, thus Hydraulic coupling is configured to adjust connector.This may be realized in various forms.In simplest situation, the connector With regulating device, which includes dip-tubeFor influencing working media amount.Dip-tube is adjustable Whole.The adjustability for example can use the progress of durection component radially and/or axially.
Other feasible program is, active control inputted to the working media of working cycles and/or from working cycles to Outer working media discharge.
In the Curve guide impeller of first embodiment, in order to realize the mechanical direct drive between input terminal and output end It is dynamic, it is arranged for being directly connected to (Durchschaltung) device of bridge joint for hydraulic coupling in other words.Simplest In situation, which is configured to mechanical bridge joint connector.The connector of device and fluid power for being directly connected to is at least energy Enough connections of parallel switch in other words in parallel.At least parallel connectivity of hydraulic coupling and the connector of switchable connection It is meant that each connector itself is independent and can independently manipulate with another connector.Here, power transmission is at least one It is only carried out respectively by a connector in operating status.It is also contemplated that can be operated in other operating status Two connectors, wherein the connector of switchable connection bridges the hydraulic coupling bridge joint being still filled in this state, so that Torque, which does not pass through hydraulic coupling itself, to be transmitted, and that still realizes between input terminal and output end mechanical directly drives.
In particularly advantageous construction, the first and second power legs do not have other revolving speed conversion equipment and/or turn Square conversion equipment, i.e. setting only one hydraulic coupling and a converter.In this case, power transmission equipment is configured to It is especially short.
According to the present invention construct, according to second embodiment power transmission equipment have shell, at least one With the attachable input terminal of drive train and at least one output end that can be at least indirectly connected with machine for doing work, have and be arranged in The first mechanical power leg and rotational speed converter other, including fluid power in force flow between input terminal and output end/ Second power leg of torque converter, second power leg include at least one pump impeller, at least one turbine and at least One directive wheel, wherein the two power legs can be connect with output end by superposition gearing, which is characterized in that first Arranged in parallel to each other with the second power leg and by arrangement transfer gear in the housing respectively with power transmission equipment Input terminal can connect, and the first mechanical power leg do not have other revolving speed conversion equipment and/or torque conversion equipment, It is especially configured to mechanical direct drive unit, and the second power leg does not have the rotational speed converter except the fluid power/turn The revolving speed conversion equipment and/or torque conversion equipment of over-specification except square converter.
Mechanical direct-drive is interpreted as not having between the output end of transfer gear and the input terminal of superposition gearing Revolving speed conversion and/or the direct coupling of torque possibility of transformation.In simplest situation, herein relate to by one or more The torsionally connection shaft device of axis composition interconnected.
The solution advantage of the centering type of the converter of fluid power and mechanical direct drive arrangement is lain also in, a side Face especially eliminates expensive swivel joint, on the other hand along the make of axially compact in the case where parallel arrangement Power transmission equipment is provided.The feasible transmission device integrated as caused by parallel arrangement makes in single power leg Driving revolving speed can be changed and be converted in the corresponding way, and therefore can preferably be adjusted and be adapted to specific application conditions.
Transfer gear includes at least one input terminal, which constitutes the input terminal of power transmission equipment, or at least with The input terminal of power transmission equipment is at least torsionally connected indirectly.Transfer gear include at least two mutually prejudicially arrange it is defeated Outlet, wherein the first output end and the first power leg especially directly drive with mechanical for second embodiment Device or with the pump impeller of the hydraulic coupling for first embodiment at least indirectly connection, and second output terminal Rotational speed converter/torque converter pump impeller with fluid power is at least indirectly connection.It is realized with this relative to single hydrodynamic component Or the torque transmission of single power leg.
Relative to the specific configuration of transfer gear itself, used and construction side hydrodynamic component and superposition gearing There are many feasible programs in face.
The input terminal of transfer gear coaxially or can arrange prejudicially relative to the input terminal of single power leg, In, input terminal is made of the axis of the direct drive unit of the pump impeller of hydrodynamic component or machinery.Coaxial arrangement tool It having the advantage that, the torque that a power leg is directly applied in the input end of power transmission equipment loads, and eccentric Arrangement allows deceleration transmission or step-up drive to be integrated into each individual power leg, with this in the portion of optimal design Improved adjustment is realized in part according to particular condition in use.
For this purpose, according to the first construction, the transfer gear with deceleration transmission is designed to the first and/or second power branch Road, and according to the second construction, the transfer gear with step-up drive is designed for the first and/or second power leg.It can be with this Only basic configuration can be made suitable in the case where other no variations in a simple manner by design hydrodynamic component and transfer gear Assigned in different power train requirements.
In advantageous construction, transfer gear includes at least one roller gear group, wherein the output end of transfer gear in this way with Roller gear is coupled or is constructed by roller gear, i.e., output end is driven along identical rotation direction.
In alternative construction, transfer gear includes at least one roller gear group, and the output end of transfer gear is in this way and cylinder Gear is coupled or is constructed by roller gear, i.e., output end is driven along different rotation directions.
Especially liquid force converter be designed as reverse converter and especially superposition gearing input end have difference Rotation direction in the case where, transfer gear include tool there are two or even number roller gear roller gear group, wherein transfer First output end of device is made of the first roller gear, and the second output terminal of transfer gear is by with opposite relative to the first roller gear Driven second roller gear of steering or other roller gear constitute.Make on the contrary, having in power transmission equipment In the case where liquid force converter for converter in the same direction, transfer gear may include tool there are three or odd number roller gear circle Stud wheel group, wherein the first output end of transfer gear is made of the first roller gear, and the second output terminal of transfer gear is by with opposite It is constituted in the first roller gear driven second roller gear of identical steering or other roller gear.
For the power transmission equipment of first embodiment, transfer gear preferably includes at least one input terminal, the input terminal The input terminal of power transmission device is constituted, or at least minimum input terminal indirectly with power transmission device is torsionally connected.Transfer Device includes at least two output ends, they are mutually prejudicially arranged, wherein the pump impeller of the first output end and hydraulic coupling is at least It connects indirectly, and rotational speed converter/torque converter pump impeller of second output terminal and fluid power is at least indirectly connection.With This realizes relative to single hydrodynamic component and realizes the torque transmission relative to power leg with this.
According to particularly advantageous Curve guide impeller, the input terminal of transfer gear and the first output end are mutually coaxially arranged, wherein It is preferred that the rotational speed converter of the first output end and fluid power/torque converter coupling, it therefore can be by identical in input end Revolving speed load.The output end that hydraulic coupling is just prejudicially arranged with the input terminal relative to transfer gear is connect, wherein is being inputted Coupling between end and the output end is preferably realized by deceleration transmission.It is avoided in direct drive with this in other words in planet Excessively high peripheral speed at the hollow wheel of gear drive.Eccentric arrangement with input terminal and power leg is set Meter scheme is also thinkable.
However, depending on the requirement of applicable cases, it is also feasible for driving up.
Here, there are a variety of feasible programs in terms of the construction of transfer gear itself.Preferably, transfer gear is designed as having The roller gear group of odd number roller gear, wherein the input terminal of power transmission device and the output end of transfer gear coaxially design, And the transmission designs between input terminal and the output end of transfer gear connecting with the pump impeller of hydraulic coupling are to slow down Speed changer.
The hydraulic coupling used in the first embodiment includes at least one pump impeller and at least one turbine.Pump impeller is extremely It is few indirectly, preferably to direct or through other transmitting device, connect herein by roller gear group with input terminal, and whirlpool Take turns at least indirectly, herein connected by the output end of superposition gearing and power transmission equipment.Fluid power rotational speed converter/turn Square converter includes at least one pump impeller, at least one turbine and at least one directive wheel.Here, pump impeller is at least indirectly and power The input terminal of transmission device can couple, and turbine is at least coupled with output end by superposition gearing indirectly.
As the transducer type being applied in two kinds of embodiments, it is preferable to use have adjustable pump blade and/or The converter in the same direction of guide vane.In the case where using reverse converter, transfer gear can be reduced to even number roller gear, Especially the design with 2 roller gears is enough.
According to particularly advantageous design, superposition gearing is coaxially arranged relative to one in two power legs, Especially it is coaxially arranged in the first embodiment relative to one in two hydrodynamic components.Preferably, according to the first construction Arrangement relative to it is mechanical directly drive or relative to hydraulic coupling coaxially, especially with respect to hydraulic coupling Turbine coaxially carry out.With the fluid power rotational speed converter/torque converter prejudicially arranged relative to hydraulic coupling, especially Turbine is coupled in simplest situation through substance roller gear to progress.Other design schemes are also feasible.
According to the second alternative construction it is envisioned that superposition gearing and fluid power rotational speed converter/torque are converted Device is coaxially arranged.
Here, each arrangement feasible program is substantially dependent on the construction of superposition gearing.Superposition gearing is most It include only one planetary driving device in the case where simple, which includes the first of at least one gear ring form The third element of element, the second element of planet carrier form and sun gear form, wherein sun gear and power transmission equipment it is defeated Outlet coupling or the output end for constituting power transmission equipment.Especially in the case where hydraulic coupling and gear ring couple, first Variant Design is particularly advantageous, because can realize the coupling with gear ring in a simple manner herein, and the revolving speed conversion of fluid power simultaneously Connection of the device/torque converter on planet carrier can be by substance roller gear to realization.
In there is the alternative design scheme coaxially arranged relative to rotational speed converter/torque converter of fluid power, Although also carrying out simple planet carrier connection herein, it can also only be realized and be driven with corresponding transmission ratio by gear ring.
If superposition gearing includes at least one planetary driving device, and the planetary driving device have at least indirectly with Hydraulic coupling turbine connection first element, at least indirectly rotational speed converter/torque converter turbine with fluid power The second element of coupling and connect at least indirectly the output end with power transmission equipment or constitute power transmission equipment The third element of output end, then the first element of planetary driving device is made of gear ring in particularly advantageous layout, second Element is made of planet carrier and third element is made of the sun gear of planetary driving device.
It is provided in the particularly advantageous construction of this Curve guide impeller, in liquid in the force flow between input terminal and output end Brake apparatus is disposed with after rotational speed converter/torque converter of power and before superposition gearing.It can be folded with this Adding transmission designs is to carry out support to element in the case where planet gear transmission device.In the first embodiment, when Direct-drive disconnects and converter is when emptying, i.e., in the adjustable range of connector when, brake especially active.
The brake apparatus used in the first embodiment can be designed as different type.It undertakes positioning and braking device Effect.Advantageously, the brake assembly design is the brake apparatus of fluid power.The brake apparatus of fluid power includes rotor and stator, is turned The turbine of son and converter can couple, and stator is supported on the fixed component in position, especially shell.The design scheme allows without mill The braking of damage, and also allow using with working media supply system identical in converter and/or hydraulic coupling.Fluid power The advantages of brake apparatus, which also resides in, provides lesser structure size.
Alternative design scheme is that brake apparatus is configured to mechanical brake apparatus, especially disc brake apparatus, such as piece Formula brake apparatus.It can mechanical, hydraulic type, pneumatic type, electronic type or by these progress in combination to its manipulation.In In the case that fluid power manipulates, the working media of hydrodynamic component can be used as pressure medium.Other design sides of brake apparatus Case is also to be contemplated that.
In being advantageously improved design scheme, preferably with respect to one of above-mentioned measure extraly in superposition gearing and system Safety device is set between dynamic device, which includes for preventing from reversing and the locking device of locking.The locking device Mechanical locking device is designed as in simplest situation, the mechanical locking device is by axis relative to motionless structure Part, such as shell are fixed.
Substantially it is contemplated that a variety of parallel arrangements, can be extended with additional component.
It can be it is contemplated that setting be with others in the second power leg in Curve guide impeller to two kinds of design schemes Second converter of transfer characteristic.Advantage is that the second converter has in the range of speeds that the efficiency of the first converter declines Effective percentage is promoted.
In particularly advantageous application, realize in the biography for driving the driving of machine for doing work, especially variable speed mechanical Application in dynamic system, the power train is with drive train, especially with constant drive revolving speed.Power transmission equipment is between the two It is arranged in force flow.Here, machine for doing work be preferably configured as the conveying device for fluid, be especially configured to compressor, pump or Person's centrifugal pump, boiler feed pump, and drive train is configured to internal combustion engine, turbine, especially steam or gas turbine or electricity Motivation.
Drive train as motorjbrm is contemplated that synchronous or asynchronous machine, especially have 50Hz or 60Hz；The design of 2,4,6 poles.
Feasible machine for doing work is pump, especially: boiler feed pump, compressor or blower.Special application field be Use in power generating equipment.Here, the parallel arrangement in the way of according to the invention can provide in a simple manner to be had In the power transmission equipment of the transmission assembly of design aspect optimization, wherein can to existing driving machinery and machine for doing work into The optimal adjustment adaptation of row.
It is provided in being advantageously improved design scheme, output shaft or the component torsionally coupled with output shaft are arranged and brake Device.The design scheme can be auxiliary, or be also possible to alternative, that is independently provide.
Term " axis " is understood with functionality.It includes machine element axis, hollow shaft, also can undertake axis including rotational symmetry Effect component.At least indirectly connection it is meant that connection can directly or indirectly by it is other be arranged in it is intermediate Transfer element, such as simple connecting element or transmission device carry out.
The advantages of solution is that output shaft is successfully imported in determining operating status, especially in trailing moment In the case where power transmission apparatus, fully and in a simple manner become as dead ship condition, and can especially pass through power transmission dress Set stopping brake.According to particularly advantageous Curve guide impeller, extraly for the output shaft or torsionally component with output shaft coupling It is arranged for interrupting to the device of the force flow of machine for doing work, along the device arrangement from the force flow direction of input shaft to output shaft After brake apparatus.Guaranteed between power transmission device and machine for doing work and thus in driving machine in an advantageous manner with this The disengaging of simple between group and machine for doing work, can fast implementing and complete machinery.Especially driven in the application of power station In the case where boiler feed pump, the advantages of solution is, can be mechanical still in rotation, especially in generating equipment application in driving Steam turbine still in the running, is carried out in the case where being mechanically detached to the working rig connecting with power transmission equipment in field The upkeep operation of tool.Therefore it can be reduced the down time of whole system.
There are a variety of possibilities in terms of for interrupting the construction to the device of the force flow of Work machine.In simplest feelings In condition comprising releasable attachment device can disconnect connector.The latter can manually or automatically run.It can relate to And the connector that frictional fit or shape cooperate.In addition, it can mechanical, hydraulic type, pneumatic type, electronic type or by this The combination of a little modes is manipulated.Here it is particularly advantageous that standard component can be used.Releasable connection can for example pass through phase The connecting element between component mutually coupled loosens realization, but can also be torsionally interconnected at two by taking out Connecting component between component is realized.
Brake apparatus can be designed as different type.Its effect for undertaking positioning and braking device.Advantageously, brake apparatus It is designed as mechanical brake apparatus, especially disc brake apparatus, such as chip brake apparatus.To its manipulation can it is mechanical, Hydraulic type, pneumatic type, electronic type or the progress in combination by these.It, can as pressure medium in the case where fluid power manipulation To use the working media of hydrodynamic component.Other design schemes of brake apparatus are also to be contemplated that.
In being advantageously improved design scheme, preferably with respect to one of above-mentioned measure extraly in superposition gearing and system Safety device is set between dynamic device, which includes the locking device that locks for preventing the torsion of output shaft.It should Locking device is designed as mechanical locking device in simplest situation, and the mechanical locking device is by axis relative to not Dynamic component, such as shell are fixed.For by the fixed solution of output shaft can also individually, i.e. without axial thrust The setting of compensation ground is used for converter.
Detailed description of the invention
Illustrate solution according to the invention in the accompanying drawings below.In attached drawing:
Fig. 1 is exemplary to show the power that according to first embodiment there is axial thrust to remove load device with rough schematic view The basic principle and basic function of transmission device；
Fig. 2 shows the particularly advantageous constructions of the power transmission equipment according to first embodiment；
Fig. 3 shows the power transmission equipment directly driven in a power leg with Purely mechanical, alternative the Two embodiments；
Fig. 4, which is shown, is advantageously improved design according to the power transmission equipment of first embodiment；
Fig. 5 shows the design scheme of axial thrust compensation device.
Specific embodiment
The exemplary basic structure that the power transmission equipment 1 constructed according to the present invention is shown with the design greatly simplified of Fig. 1 And basic principle, it is used for the power train 31 arranged between the drive train 2 only schematically shown here and machine for doing work 3 In.Here, power transmission equipment 1 include at least one, at least indirectly, direct or through other transfer element can be with Input terminal E that drive train 2 couples and at least one, at least indirectly, direct or through other transfer element can be with The output terminals A that machine for doing work 3 couples.The revolving speed that hydraulic coupling 4 and fluid power are disposed between input terminal E and output terminals A turns Parallel operation/torque converter 6, is hereafter referred to simply as liquid force converter.This is arranged in shell 30 and carries out.
Input terminal E or output terminals A are made of component, carry out power importing by the component or power exports.Preferably, component It is made of axis, especially solid shafting or hollow shaft.However similar component is also possible to other rotatable components for coupling, Such as flange etc..
Hydraulic coupling 4 includes at least one pump impeller P4With at least one turbine T4.Hydraulic coupling 4 is equipped for turning Connect the device 5 for bridging hydraulic coupling 4 in other words.Described device 5 can be so-called bridge joint connection in simplest situation Device.However the bridge joint can also be realized with other mode.This can be arranged directly between pump impeller and turbine or can be with The component that pump impeller and turbine are torsionally connected.
Liquid force converter 6 includes at least one pump impeller P6, at least one turbine T6With at least one directive wheel L6.Fluid power turns Parallel operation 6 is used herein to revolving speed conversion and is also used for torque conversion, and hydraulic coupling 4 only has the function of rotational speed converter.According to The present invention, hydraulic coupling 4 and liquid force converter 6 are not coaxially arranged, but mutually prejudicially in 2 power legs 7 In 8, power leg 7 and 8 is arranged between input terminal E and output terminals A, and at least realizes each independent by a function The power transmission of rate branch 7 or 8 realizes power transmission, i.e. its two power to pass through the branched power of two branches Branch 7,8 is concurrently run and therefore power transmission equipment is worked with branched power.
The pump impeller P of corresponding hydraulic coupling 44With the pump impeller P of liquid force converter 66At least indirectly, it directs or through The input terminal E of transfer element and power transmission equipment 1 is coupled.Here, coupling refers to the connection in effect, the connection is by function The input terminal E of the rate transmission device and corresponding pump impeller P of hydraulic coupling4Or the pump impeller P of liquid force converter6Between it is antitorque The transfer element of connection or intermediate arrangement converted with or without revolving speed conversion/torque is formed.In order to by two fluid power Component and input terminal E are coupled and are provided with transfer gear 9, and the force flow observation between input terminal E and output terminals A, transfer gear 9 is arranged Before two hydrodynamic components 4 and 6.Transfer gear is labeled as 9, is integrated in shell 30 and including at least one input terminal 10, input terminal 10 can be made of the input terminal E of power transmission equipment or or the input terminal E coupling with power transmission equipment Even.Transfer gear 9 further includes at least two output ends, i.e., the first output end 11 for being connect with hydraulic coupling 4 and at least indirectly with The second output terminal 12 that liquid force converter 6 connects.Here, output end 11 and 12 is realized and the pump impeller P of hydraulic coupling 4 respectively4 With the pump impeller P of liquid force converter6Coupling.The turbine T of hydraulic coupling4Or the turbine T of liquid force converter6With power transmission The connection of the output terminals A of equipment is carried out by superposition gearing 13.For this purpose, superposition gearing 13 includes at least two inputs End 15 and 16, wherein the turbine T of first input end 15 and hydraulic coupling4Connection, the second input terminal 16 and liquid force converter 6 Turbine T6Connection.Superposition gearing 13 further includes at least one output end 17, output end 17 or by power transmission equipment 1 Output terminals A constitute the output terminals A for constituting power transmission equipment 1 in other words, or connect with the output terminals A of power transmission equipment 1 Connect, i.e., at least indirectly or be directly connected.Pass through the parallel arrangement in two power legs 7,8, power transmission equipment 1 It can use shorter structure length to realize.Furthermore a possibility that, is, depending on the requirement determined by available drive train 2 And needs and parameter to be placed to machine for doing work 3, made herein by transfer gear 9 and superposition gearing 13 construction It obtains power transmission equipment 1 and adjusts the known boundary condition for adapting to applicable cases in the best way.
Hydraulic coupling 4 is designed to adjust connector.Regulating device 28 is arranged to adjust connector.Wherein, according to connection The design of device is connect, which can be related to for example adjustable dip-tube.
Here, Fig. 2 to illustrate to illustrate for applying in power generating equipment, particularly for driving boiler feed pump according to The particularly advantageous construction of the power transmission equipment 1 of Fig. 1.The input terminal of transfer gear 9 is coaxial relative to the output end 12 of transfer gear 9 Ground arrangement, the output end 12 and liquid force converter 6 of transfer gear 9 couple.Make to be disposed with liquid force converter 4 wherein with this Power leg 8 is coaxial relative to the input terminal of transfer gear 9, and the input terminal of transfer gear 9 constitutes the input of power transmission equipment 1 simultaneously Hold E.The output end 11 that can be coupled with hydraulic coupling 4 is prejudicially arranged relative to the input terminal 10 of transfer gear 9.In shown situation In, transfer gear 9 is for example designed as column gear transmission device 18, and column gear transmission device 18 includes odd number roller gear, so as to Guarantee the turning consistency between input terminal E and each power leg 7,8, i.e. hydraulic coupling 4 or liquid force converter 6.Function The output terminals A of rate transmission device 1 can be relative to two hydrodynamic components, the turbine T of especially corresponding hydraulic coupling 44And liquid The turbine T of force transducer 66Prejudicially arrange.However, the layout is in a particularly advantageous manner preferably with respect to a hydrodynamic component It coaxially carries out, in the illustrated case relative to hydraulic coupling 4, the turbine T of especially hydraulic coupling 44Coaxially carry out.In There are a variety of feasible programs for the design aspect of superposition gearing 13.Fig. 2 shows particularly advantageous design schemes comprising at least One planet gear transmission device 14.Here, the turbine of the first element 19 of planet gear transmission device 14 and hydraulic coupling 4 T4Coupling, is preferably directly torsionally connected.Other design schemes are also feasible.Other the of planet gear transmission device 14 Two element is herein with 20 marks, at least indirectly the turbine T with liquid force converter6Connection, and planet gear transmission device 14 Third element 21 connect or directly constitute the output terminals A of power transmission equipment 1 with the output terminals A of power transmission equipment 1.In In shown situation, the first element 19 of planet gear transmission device 14 is made of gear ring 22, and second element 20 is by planet carrier 23 It constitutes, third element 21 is made of sun gear 24.Therefore, gear ring 22 and planet carrier 23 constitute the input terminal 15 of superposition gearing With 16, and sun gear 24 constitutes the output end of superposition gearing 13.Here, the Cylinder Gear that the coupling of planet carrier 23 passes through substance Wheel is to progress, and roller gear is to the turbine T for realizing liquid force converter 66Steering reversion.
Hydraulic coupling 4 is equipped with the device 5 for bridge joint.Described device 5 is so-called bridge in simplest situation Connect connector.Device 5 include the first connector K1 and the second connector K2, the first connector K1 or with pump impeller P4Connection or With torsionally with pump impeller P4The axis connection of coupling, the second connector K2 and turbine T4Connection or with torsionally with turbine T4Coupling Axis connection.Hydraulic coupling 4 and device 5, especially bridge joint connector constitute so-called starting and/or adjusting unit 25.In order to It starts and/or adjusts, carry out the filling of hydraulic coupling 4.It is adjustable in turbine T by regulating device 284The output at place turns Speed.In the case where reaching determining revolving speed, especially synchronous rotational speed, for directly driving coupling and being used for this in input terminal The mechanical device 5 directly driven between E and superposition gearing 13 is switched on.Therefore, by the inclusion of hydraulic coupling 4 Power leg 7 transmits constant torque in a purely mechanical manner.Pass through roller gear by the power fraction that liquid force converter 6 guides Group 26 is introduced into superposition gearing 13.For converter 6, working media is generally produced from pump impeller P6Via at least one guiding Take turns L6To turbine T6Flowing.Concurrently with this, power passes through from input shaft E, the transfer gear 9 of power transmission equipment by device 5 It is directly connected to mechanically transmit.Then planetary driving device 14 that the two power legs pass through superposition gearing 13 converges again Merge and is directed at output terminals A.
Planetary driving device 14 is designed as so-called F transmission device thus.As described above comprising gear ring 22, sun gear 24 and multiple planetary gears being arranged on planet stent 23.For construction shown here, the turbine T of liquid force converter 66It is logical Roller gear group 26 is crossed to connect with the planet carrier 23 of planetary driving device 14.Pass through the parallel structure according to the invention of hydrodynamic component The arrangement for making mode is accomplished that, here, correspondingly changing the pump impeller P for being supplied to hydraulic coupling 44With the pump of liquid force converter Take turns P6Power or the revolving speed that needs of adjustment, make it possible to by component nondestructively transimission power.Due to parallel construction, this function Rate transmission device is particularly suitable for being given for exporting very high power and high-revolving machine for doing work, for being mounted on power The machine for doing work of variable speed is driven in transmission facilities.
In order to guarantee the support of planet carrier in range of operation (being emptied in the range of operation Internal Translator 6), converting Arrange that brake apparatus 27, brake apparatus 27 are preferably designed for hydraulic braking device 29 after device 6.Brake apparatus 27 includes being supported on The fixed component in position, the stator S especially on shell 30 and torsionally with turbine T6The rotor of connection.
Fig. 3 shows the design according to second embodiment with the view of simplified schematic, wherein power leg 7 is designed as With the mechanical purely mechanical power leg for directly driving arrangement.Wherein not according to the hydraulic coupling of Fig. 2, Furthermore brake apparatus 27 is not needed yet.Basic structure is consistent with the design in Fig. 2 in other respects, therefore uses similar elements Identical appended drawing reference.
Being shown here has the deceleration transmission for being used for the first power leg 7 according to the design of Fig. 2 and Fig. 3, is especially driving In the case where revolving speed about 3000U/min.It is also contemplated that setting step-up drive in other application.In addition, the input of transfer gear End can also prejudicially be arranged relative to two power legs.
Fig. 4, which is illustrated, is advantageously improved design according to the power transmission equipment 1 of first embodiment；Basic structure It is substantially consistent with described in Fig. 2.Therefore identical appended drawing reference is used for identical element.In order to avoid repeating, The explanation to attached drawing 2 is quoted in other respects.In this design, other liquid force converter is set in the second power leg 8 32.The liquid force converter includes at least one pump impeller P32, at least one turbine T32With at least one directive wheel L32.In the second function The second liquid force converter 32 in rate branch is designed in this wise, i.e. the second liquid force converter 32 has with the first converter 6 not Same transfer characteristic.It the advantage is that the improved efficiency in the range of speeds of the efficiency reduction of the first converter 6.For this purpose, second Converter 32 is coaxially arranged relative to the first converter 6 and pump impeller and input terminal E are at least indirectly coupling.Preferably, The pump impeller P of one converter 66With the pump impeller P of the second converter 3232It is arranged on common axis.This passes through each turbine T6Or T32Connecting shaft carry out.
Furthermore illustratively, from the force flow of input terminal E to output terminals A, in fluid power in the first power leg Arrangement apparatus 34 after connector 4, described device 34 is for braking and/or locking capable of coupling with fluid power for superposition gearing 13 The input terminal 15 that device 4 connects.The turbine T of hydraulic coupling 4 in the first power leg 7 is arranged in the additional brake apparatus4With It only schematically shows between planetary gear transmission mechanism 13 and herein.Device 34 can be designed as different type.It is contemplated that Be hydraulic brake or be also possible to mechanical brake apparatus.
The particularly advantageous construction that axial thrust used according to the present invention removes load device 41 is shown in FIG. 5, makees To be shown along the axial cross section of the longitudinal axis of machine shaft 49, wherein view only shows one of them of two symmetrical half portions.It is axial Thrust goes load device 41 to arrange that machine shaft 42 is made of turbine wheel shaft herein, wherein axis along machine shaft 42 as individual component Load device 41 is gone to can be set before or after generating the machine part of axial thrust along lead observation to thrust. Used is system passively, adaptively, is provided with two axially opposed component groups moveable each other for the system, Wherein, the axial relative motion of two component groups causes axial thrust-compensating power.
To this design scheme, using fixed thrust-balancing ring 43 on motionless component 44, in the thrust-balancing ring On along axial direction be connected with First pressure chamber 47 and second pressure chamber 48 in two sides.Therefore the side of the outside of thrust-balancing ring 43 is It is respectively used to one of First pressure chamber 47 and the two side walls of second pressure chamber 48.Another side wall is by being used for First pressure chamber Axial side of the sum of 47 the first side-lens 45 for the second side-lens 46 of second pressure chamber 48 is constituted.First side-lens 45 and second side-lens 46 be fixed on machine shaft 42 or with machine shaft one-piece construction so that it follows the fortune of machine shaft 42 It is dynamic.By the axial thrust indicated by arrow, the first side-lens 45 and the second side-lens 46 are synchronously axially with respect to pushing away Dynamic balance ring 43 is mobile.The first labyrinth 57 in the end side surface of first side-lens 45 is set in its sealing function side Face is not influenced substantially by this axial relative motion.Correspondingly apply to the second labyrinth 58, the second labyrinth type Sealing element 58 is associated with the second side-lens 46 and is thus associated with second pressure chamber 48.Due to it is being kept essentially constant with this, By the throttling action of the first and second labyrinths 57,58, pass through the mutual of the inflow entrance relative to two pressure chambers 47,48 Inverse opens the pressure difference closed may be implemented between First pressure chamber 47 and second pressure chamber 48 in other words.This passes through for the The design of the first throttle position 52 of one pressure chamber 47 and the second throttle position 53 for second pressure chamber 48 causes.According to figure Expedients shown in 5, the restricting element 51 of sheet is radial to be fitted in annular chamber 50, and annular chamber 50 is being pushed away from end side construction On dynamic balance ring 43.The 51 random device axis 42 of restricting element of sheet rotates and therefore in machine shaft 42 and fixed thrust-balancing It is axially axially moved accordingly in annular chamber 50 in the case of relative motion between ring 43.Therefore, in the throttling of sheet Spacing between the side wall of element 51 and the axial face of annular chamber 50 changes.Annular chamber 50 is supplied by input channel 49 Pressure medium, input channel 49 are arranged in thrust-balancing ring 43.If being respectively arranged first on the side wall of thrust-balancing ring 43 Sealing edge 54 and the second sealing edge 55, and the side of the first sealing edge 54 and the second sealing edge 55 relative to the restricting element 51 of sheet Face has the distance of very little, then first throttle position 52 and the second throttle position 53 is generated, due to the restricting element 51 in sheet Axial relative movement between thrust-balancing ring 43, first throttle position 52 and the second throttle position 53 it is reciprocal beat on and off It closes.The pressure drop that can be changed at first throttle position 52 and the second throttle position 53 is generated by the relative motion.Correspondingly, in piece In the eccentric position of the restricting element of shape, it is provided with First pressure chamber 47 and second pressure chamber 48.Due to the first side-lens 45 With the substantially the same size of the axial face towards pressure chamber of the second side-lens 46, which causes to react on axis To the axial force of thrust.First throttle position 52 and the second throttle position 53 can be designed differently.In this case, sealing edge 54 and 55 are associated with the side wall of annular chamber 50.Alternatively, sealing edge can be arranged on the restricting element 51 of sheet, or annular The opposed facing axial side of chamber 50 and sheet restricting element 51 can complementally be designed in this way, i.e., axially opposing Cause variable throttling action in the case where movement.According to advantageous design scheme, sealing edge 54 and 55 is corresponding to the view in Fig. 5 G- Design is independent component, and sealing edge 54 and 55 is connect with the inner wall of annular chamber 50.In simplest situation, which is borrowed It helps fixing element to carry out, such as passes through screw-tightened.It is alternatively possible to by the connection for realizing frictional fit is press-connected.
It is particularly preferred that using the working media under pressure of converter 6 as pressure medium.For this specific Situation about being not shown in Fig. 5, for hydrodynamic component, especially liquid force converter 6 working media pipeline can directly with input Channel 49 is connected to.The operation that the pressure-loaded of pressure medium directly passes through liquid force converter 6 carries out, wherein due to principle of differential pressure, Pressure oscillation can't go load to have an adverse effect thrust.Connected by being arranged in as individual component with hydrodynamic component 6 The axial thrust on machine shaft 42 connect removes load device 41, and axial thrust can be reduced to zero, makes axial bearing with this Remove load.In addition, the axial position of machine shaft 42 remains essentially on neutral point, wherein will directly be originated from hydrodynamic component 6 Working media goes the pressure medium of load device 41 to input as axial thrust.
The braking dress for being associated with output shaft A or the component torsionally coupled with output shaft is also shown in the design scheme of Fig. 2 Set 35.Additionally for output shaft A or torsionally, the component with output shaft coupling has been arranged for interrupting to the power of machine for doing work 3 The device 36 of stream.Along from the force flow direction of input shaft E to output shaft A, machine for doing work 3 is arranged in after brake apparatus 35. Brake apparatus 35 and/or device 36 are directly associated with output shaft A, or are associated with the component being torsionally connected with exporting axis, example Such as the component of additional extending shaft form, which for example can radially or axially self-supporting.
For interrupt to the device of the force flow of machine for doing work can be designed as it is different.Being used as in simplest situation can Disconnect the form of connector or releasable connector.
Safety device 37, safety device 37 are provided between superposition gearing 13 and device 36 for interrupting force flow Including for output shaft A to be prevented to the locking device torsionally locked.Safety device is for example including bolt, and the bolt is by output shaft A is fixed relative to static component, such as shell 30.
For being reliably fixed for output shaft A, following measures are carried out:
Connection is directly driven, i.e., the connector 5 of switchable connection disconnects；
Empty hydraulic coupling 25 (dip-tube 0%)；Or empty converter 6；
The minimum speed of machine for doing work；
Enable brake apparatus 35 and output end dead halt on output shaft A；
Enable locking device 37, especially bolt of the installation for optional mechanical locking
Device 36 is enabled herein, such as the connector between Vorecon driver and machine for doing work 3 is removed, so as to Constitute complete mechanical disengaging.Solution for fixing output shaft A can also be according to the design scheme of Fig. 2 the case where It without using axial thrust balancing carries out down.In addition, the solution for fixing output shaft A can also match every other It is applied in the case where setting, especially configured shown in Fig. 1,3 and 4.
Arrangement and the position of the supply pump 38 and 39 for converter 6 and hydraulic coupling 4 is also shown in Fig. 2.In shown feelings It is observed in installation site in condition, supply pump 38 and 39 is arranged in the left side of each hydrodynamic component 4,6.By with pump impeller P6Or P4The coupling of each pump impeller shaft transmission mechanism, especially corresponding roller gear drives to 59,60.Needle is shown by dotted line To the alternative arrangement of hydraulic coupling 4.In this case, supply pump 39 be arranged in hydraulic coupling 4 right side and Pass through gear stage 60` coupling with the coupler component K1 of pump impeller shell or connector apparatus 5 on this side coupled with pump impeller shell Even.
The design according to the invention of power transmission equipment can be used in drive train especially in power generating equipment, especially have In power train between the drive train of constant rotational speed and the machine for doing work of variable speed.Particularly preferred application is for steam Between turbine or combustion gas turbine and boiler feed pump.Additional motor and power train are not needed as drive train System is efficiently, because not needing steam is converted into electric current and mechanical energy.
Reference signs list:
1 power transmission equipment
2 drive trains
3 machine for doing work
4 hydraulic couplings
5 device for being directly connected to or bridging
6 fluid power rotational speed converters/torque converter, especially liquid force converter
7 power legs
8 power legs
9 transfer gears
The input terminal of 10 transfer gears
The output end of 11 transfer gears
The output end of 12 transfer gears
13 superposition gearings
14 planetary driving devices
The input terminal of 15 superposition gearings
The input terminal of 16 superposition gearings
The output end of 17 superposition gearings
18 roller gear groups
The first element of 19 planetary driving devices
The second element of 20 planetary driving devices
The third element of 21 planetary driving devices
22 gear rings
23 planet carriers
24 sun gears
25 startings and/or regulating device
26 roller gear groups
27 brake apparatus
28 regulating devices/dip-tube
29 hydraulic brakes
30 shells
31 power trains
32 second fluid power rotational speed converters/torque converter
32 connecting shafts
The device of 34 input terminal that can be connect with hydraulic coupling for braking and/or locking superposition rotating device
35 brake apparatus
36 for interrupting the device of the force flow to machine for doing work 3
37 locking devices
38 supply pumps
39 supply pumps
41 axial thrusts remove load device
42 machine shafts
43 thrust-balancing rings
44 fixed parts
45 first side-lens
46 second side-lens
47 First pressure chambers
48 second pressure chambers
49 input channels
50 annular chambers
The restricting element of 51 sheets
52 first throttle positions
53 second throttle positions
54 first sealing edges
55 second sealing edges
56 axial thrusts
57 first labyrinths
58 second labyrinths
59,59` roller gear pair
60,60` roller gear pair
K1, K2 coupler component
S stator
R rotor
P4Pump impeller
T4Turbine
P6Pump impeller
T6Turbine
L directive wheel
P32Pump impeller
T32Turbine

Claims (21)

1. a kind of power transmission equipment (1), with shell (30),
The input terminal (E) that can be connect with drive train (2) at least one and have can with machine for doing work (3) at least between in succession The output end (A) connect,
With mechanical first power leg (7) in the force flow being arranged between input terminal (E) and output end (A) and in addition The second power leg (8) including hydrokinetic rotational speed converter/torque converter (6), the second power leg packet Include at least one pump impeller (P6), at least one turbine (T6) and at least one directive wheel (L), wherein the two power legs (7, 8) it can be connect by superposition gearing (13) with output end (A)；
First and second power legs (7,8) are arranged in parallel to each other, and the transfer gear (9) by being arranged in shell (30) It is able to connect with the input terminal (E) of power transfering device (1) or connect respectively with the input terminal of power transfering device (1) It connects；
First and second power legs (7,8) are set with power transmission respectively by the cumulative transmission device being arranged in shell (30) The output end (A) of standby (1) can be connected or be connect respectively with the output end (A) of power transmission equipment (1)；
The axis carried to rotational speed converter/torque converter turbine of fluid power is supported on shell by least one bearing (30) in；
It is characterized in that,
Arrange that axial thrust goes load to fill between the turbine and supporting arrangement of rotational speed converter/torque converter (6) of fluid power It sets.
2. power transmission equipment (1) described in accordance with the claim 1,
It is characterized in that,
Edge is from the force flow of input terminal (E) to output end (A), the cloth after rotational speed converter/torque converter (6) of fluid power It is equipped with for braking and/or locking capable of connecting with rotational speed converter/torque converter (6) of fluid power for superposition gearing (13) Input terminal (16) device (27), and axial thrust goes load device to be arranged in the rotational speed converter of fluid power/torque conversion The turbine of device (6) and it is described can be with rotational speed converter/torque of fluid power for brake and/or lock superposition gearing (13) Between the device (27) of the input terminal (16) of converter (6) connection.
3. according to power transmission equipment described in one of claims 1 or 2 (1),
It is characterized in that,
Rotational speed converter/torque converter of the fluid power has the input channel for working media to be delivered to working chamber, And the axial thrust goes load device that there is at least one to remove load cell, described to go load cell be by least one The pressure chamber of a fillable pressure medium loads, the reaction force relative to thrust to be applied on axis, wherein pressure chamber It is coupled with rotational speed converter/torque converter filling channel of fluid power.
4. according to power transmission equipment described in claims 1 to 3 (1),
It is characterized in that,
The axial thrust goes load device (40) to include the feature that
There is construction to be used for the defeated of pressure medium in thrust-balancing ring for thrust-balancing ring (43), the thrust-balancing ring (43) Enter channel (49), the input channel (49) is passed through in annular chamber (50) from the end side of thrust-balancing ring (43)；
First side-lens (45) and the second side-lens (46), the first side-lens (45) and the second side-lens (46) are axially adjacent respectively Ground is arranged and is arranged on the mutually opposed side of thrust-balancing ring (3), to generate First pressure chamber (47) and second pressure Chamber (48), wherein the First pressure chamber (47) and second pressure chamber (48) are going out stream side by labyrinth respectively (57,58) it seals, and to flow into pressure medium, becoming a mandarin, side passes through the first throttle position for First pressure chamber (47) (52) being connected to relative to annular chamber (50) is respectively constituted with the second throttle position (53) for second pressure chamber (48)；
The sheet restricting element (51) being embedded in annular chamber (50)；
Thrust-balancing ring (43) and restricting element (51) are arranged as, and one in both parts is axially fixed, and another Component follows the axial movement for the machine shaft (42) attached, wherein by thrust-balancing ring (43) and restricting element (51) it Between axial relative movement so that first throttle position (42) and the second throttle position (43) it is reciprocal open and close, thus Pressure difference is generated between First pressure chamber (47) and second pressure chamber (48).
5. according to power transmission equipment described in one of Claims 1-4 (1),
It is characterized in that,
First power leg (7) includes hydraulic coupling (4), and the hydraulic coupling includes at least one pump impeller (P) and at least One turbine (T).
6. power transmission equipment (1) according to claim 5,
It is characterized in that,
The hydraulic coupling (4) is designed to adjust connector, is especially designed as having the fluid power of adjustable dip-tube to join Connect device.
7. according to power transmission equipment described in one of claim 1 to 6 (1),
It is characterized in that,
In order to realize directly driving for machinery, setting bridges the device (5) of the connector (4) of fluid power for transferring in other words.
8. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
It is observed in installation site, rotational speed converter/torque converter (6) of the hydraulic coupling (4) and fluid power is along input It arranges with holding the end on observation dislocation-free between (E) and output end (A) or with having dislocation.
9. according to power transmission equipment described in one of Claims 1-4 (1),
It is characterized in that,
Mechanical the first power leg (7) is configured to without other revolving speed conversion equipment and/or torque conversion equipment, especially It is configured to mechanical direct drive unit, and the second power leg (8) is in addition to rotational speed converter/torque conversion of the fluid power Do not have the revolving speed conversion equipment and/or torque conversion equipment being additionally arranged except device (6).
10. according to power transmission equipment described in one of claim 1 to 9 (1),
It is characterized in that,
First and second power legs do not have other revolving speed conversion equipment and/or torque conversion equipment.
11. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
It is provided with the input terminal that can be connect with hydraulic coupling (4) for braking and/or locking superposition gearing (13) (15) device (32), and the device (32) and/or energy and fluid power for braking and/or locking superposition gearing (13) Rotational speed converter/torque converter (6) connection input terminal (16) device (27) construction be selected from the group in brake apparatus Brake apparatus:
The brake apparatus (29) of fluid power
Mechanical brake apparatus, especially disc brake apparatus or chip brake apparatus
Positioning and braking device.
12. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
The transfer gear (9) includes at least one input terminal (10), and the input terminal (10) of transfer gear constitutes power transmission equipment (1) input terminal (E), or be at least at least torsionally connected indirectly with the input terminal of power transmission equipment, and described point Dynamic device (9) include the output end (11,12) of at least two mutual arranged off-centres, wherein the first output end and the first power leg (7) and/or the pump impeller (P of hydraulic coupling (4)4) at least indirectly connection, and the revolving speed of second output terminal (12) and fluid power Pump impeller (the P of converter/torque converter (6)6) at least indirectly connection.
13. power transmission equipment (1) according to claim 12,
It is characterized in that,
The input terminal (10) of transfer gear (9) coaxially or prejudicially arranges relative to the input terminal of one of power leg (7,8), Wherein, input terminal by one of hydrodynamic component (4,6) pump impeller (P4,P6) or the axis of mechanical direct drive unit constitute.
14. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
Cumulative transmission device (13) are coaxially arranged relative to one of power leg (7,8)；Relative to hydrodynamic component (4,6) it One, i.e. hydraulic coupling (4) or fluid power rotational speed converter/torque converter (6) is coaxially arranged, and another corresponding liquid The output end (A) of power component (6,4) and the coupling of cumulative transmission device (13) are carried out by connection transmission device.
15. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
Cumulative transmission device (13) include at least one planetary driving device (14), and the planetary driving device has at least indirectly With the turbine (T of hydraulic coupling (4)4) connection first element (19), at least indirectly rotational speed converter/torque with fluid power Turbine (the T of converter (6)6) coupling second element (20) and at least indirectly the output end (A) with power transmission equipment (1) The third element (17) of connection or composition power transmission equipment (1) output end (A), wherein
The first element (19) of planetary driving device (14) is made of gear ring (22), and second element (20) is by planet carrier (23) structure At third element (21) is made of the sun gear (24) of planet gear transmission device (14).
16. according to power transmission equipment described in one of claim 8 to 15 (1),
It is characterized in that,
Transfer gear (9) includes at least one roller gear group, and the output end of transfer gear is coupled with roller gear or by justifying Stud wheel is configured to, and drives the output end (11,12) of transfer gear (9) along identical rotation direction, or
Transfer gear (9) includes at least one roller gear group, and the output end of transfer gear is coupled with roller gear or by justifying Stud wheel is configured to, and drives the output end along different rotation directions.
17. according to power transmission equipment described in one of claim 8 to 16 (1),
It is characterized in that,
Liquid force converter (6) is designed as reverse converter, and transfer gear (9) include tool there are two or even number roller gear Roller gear group, wherein the first output end (11) of transfer gear (9) is made of the first roller gear, the second of transfer gear (9) Output end (12) is by with steering driven second roller gear or other cylinder opposite relative to the first roller gear Gear is constituted.
18. according to power transmission equipment described in one of claim 10 to 17 (1), which is characterized in that
Liquid force converter (6) is designed as converter in the same direction, and transfer gear (9) include tool there are three or odd number roller gear Roller gear group, wherein the first output end (11) of transfer gear (9) is made of the first roller gear, the second of transfer gear (9) Output end (12) is by relative to the first roller gear driven second roller gear of identical steering or other cylinder Gear is constituted.
19. according to power transmission equipment described in one of the claims (1),
It is characterized in that,
Other the second fluid power rotational speed converter/torque converter (32), second liquid are provided in the second power leg Power rotational speed converter/torque converter (32) is coaxially arranged relative to the fluid power rotational speed converter/torque converter (6), Wherein, the second fluid power rotational speed converter/torque converter (32) has the transfer characteristic different from the first converter (6), And each converter can be used in different ranges of operation.
20. one kind is for driving machine for doing work (3), the power train (31) of the machine for doing work of especially variable speed, the power train With drive train (2), the drive train especially with constant drive revolving speed, have according to described in one of claim 1 to 20 Power transmission equipment (1), wherein the machine for doing work be configured to the conveying device of fluid, be especially configured to compressor, Pump or centrifugal pump, boiler feed pump.
21. power train (31) according to claim 19,
It is characterized in that,
Drive train (2) is the element being selected from the group in element:
Turbine, especially steam turbine or gas turbine；
Motor；
Internal combustion engine
By turbine and motor drive mechanism at assembled unit.
CN201910405310.4A 2018-05-18 2019-05-16 Power transmission equipment Pending CN110500393A (en)

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DE102018112025A1 (en) * 2018-05-18 2019-11-21 Voith Patent Gmbh Power transmission device

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Publication number Priority date Publication date Assignee Title
EP0365772A2 (en) * 1988-10-22 1990-05-02 MAN Nutzfahrzeuge Aktiengesellschaft Propulsion device, particularly for an extreme cross-country wheeled vehicle
EP0444472A2 (en) * 1990-02-13 1991-09-04 Michael Meyerle Control system, particularly for motor vehicle
WO2009036655A1 (en) * 2007-09-18 2009-03-26 Shizhang Liu Hydrokinetic synchronizing transmission
CN104126085A (en) * 2011-10-06 2014-10-29 比伯拉赫利勃海尔-部件股份有限公司 Torque-splitting transmission
JP2017075692A (en) * 2015-09-29 2017-04-20 ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフトＺｆ Ｆｒｉｅｄｒｉｃｈｓｈａｆｅｎ Ａｇ Continuously variable power split transmission including planetary gear set and having at least three travel ranges
CN107504151A (en) * 2017-10-12 2017-12-22 中国船舶重工集团公司第七0三研究所 A kind of power multiple-limb hydraulic planetary arrangements for speed regulation
CN211117430U (en) * 2018-05-18 2020-07-28 福伊特专利有限公司 Power transmission device and power train

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0365772A2 (en) * 1988-10-22 1990-05-02 MAN Nutzfahrzeuge Aktiengesellschaft Propulsion device, particularly for an extreme cross-country wheeled vehicle
EP0444472A2 (en) * 1990-02-13 1991-09-04 Michael Meyerle Control system, particularly for motor vehicle
WO2009036655A1 (en) * 2007-09-18 2009-03-26 Shizhang Liu Hydrokinetic synchronizing transmission
CN104126085A (en) * 2011-10-06 2014-10-29 比伯拉赫利勃海尔-部件股份有限公司 Torque-splitting transmission
JP2017075692A (en) * 2015-09-29 2017-04-20 ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフトＺｆ Ｆｒｉｅｄｒｉｃｈｓｈａｆｅｎ Ａｇ Continuously variable power split transmission including planetary gear set and having at least three travel ranges
CN107504151A (en) * 2017-10-12 2017-12-22 中国船舶重工集团公司第七0三研究所 A kind of power multiple-limb hydraulic planetary arrangements for speed regulation
CN211117430U (en) * 2018-05-18 2020-07-28 福伊特专利有限公司 Power transmission device and power train

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