CN205824118U - Driver element and vehicle for vehicle - Google Patents
Driver element and vehicle for vehicle Download PDFInfo
- Publication number
- CN205824118U CN205824118U CN201620233919.XU CN201620233919U CN205824118U CN 205824118 U CN205824118 U CN 205824118U CN 201620233919 U CN201620233919 U CN 201620233919U CN 205824118 U CN205824118 U CN 205824118U
- Authority
- CN
- China
- Prior art keywords
- gear
- helical teeth
- driver element
- teeth portion
- stage
- 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.)
- Expired - Fee Related
Links
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/2881—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
This utility model relates to driver element and the vehicle of vehicle, driver element includes the first row star and the second planetary stage, the first row star includes the first gear that the first gear rotated and at least two are fixed, and the second planetary stage includes the second gear that the second gear rotated and at least two are fixed.The first gear configurations rotated becomes to be respectively provided with the first classification planetary gear in two the first different helical teeth portions, it engages with in the first fixing gear by corresponding in two the first different helical teeth portions, and engage with another in the first fixing gear by means of corresponding another in two the first different helical teeth portions, second gear stage has at least one second helical teeth portion, first gear stage and the second gear stage the most mutually support, and two the first different helical teeth portions become the axial force produced in the operation of driver element to cancel out each other with at least one second helical teeth cage structure.
Description
Technical field
This utility model relates to a kind of driving for vehicle as described in the preamble according to claim 1
Unit and one vehicle as described in the preamble according to claim 10.
Background technology
The different types of driver element for vehicle well known in the art.In general, this driving
Unit includes device housing, and this device housing is generally of two gear stages, one or more by driving that flange is installed
Move motor and powered driving wheel or powered axletree.Due to the most compactly designed ground transportation work
Tool only exists limited installing space available, this driver element in terms of its external dimensions by strict requirements.
Therefore, the most such as rotate rapid electro-motor relative to rotate slowly electro-motor preferably as drive motor because
The former needs less installing space.But, this requires the special structural scheme of driver element in terms of noise generation, because
Gear stage of a relatively high owing to high rotating speed also has and be considered as uncomfortable noise generate.For reducing this noise
The known means generated is that the first gear stage particularly rapidly rotated is configured with helical teeth portion, and this produces relatively smaller making an uproar
Sound.
Thus, document DE 196 04 824 A1 illustrate a kind of in helical teeth engagement frame mode, especially use
In the planetary transmissions of motor vehicles, to avoid causing undesirable noise in the case of high-revolving.Row in explanation
In star gear driver, the axial force occurred on gear due to helical teeth portion receives by thrust ring and is combined in drive shaft
In.
Known a kind of drive shaft for electrically driven vehicle from document DE 10 2,010 040 738 A1, wherein,
On the planetary stage that driving moment is engaged by the helical teeth of the axletree driving motor to produce and to be delivered to have connection via drive shaft.
Drive shaft via propeller boss connect with for balancing the load radial clearance ground can not with the relative rotation however can axially move
Ground is connected with the sun gear of planetary stage.In order to support the axial force between sun gear and drive shaft caused by helical teeth portion,
Being provided with the connection that can nondestructively unclamp, wherein, this connection includes one or more band kinetoplast.Band kinetoplast is arranged in groove and drive shaft
Corresponding relevant hole in, this groove extends along the periphery of the section towards drive shaft of sun gear.Here, band kinetoplast is axially
The most only partially it is supported at sun gear on direction, and is partly supported at drive shaft, and may be configured to spheroid or post
Body.
But, because the axial force caused due to helical teeth portion must be supported by the measure in extra structure, at this
There is shortcoming in upper known driver element and driver.But, if the measure in this extra structure be thrust ring or
Person's form with kinetoplast, then not only produce extra cost, and produce extra mechanical friction.Extra friction
The efficiency causing again driver element reduces and abrasion improves.Furthermore it is known that driver element and driver at high input speed
In the case of the most always produce and feel uncomfortable, high noise.
Utility model content
The purpose of this utility model is, proposes the driver element of a kind of improvement for vehicle.
This purpose passes through the driver element for vehicle according to claim 1 according to this utility model
Realize.Favourable design of the present utility model and improvement project are learnt from dependent claims.
This utility model relates to a kind of driver element for vehicle, and this driver element includes being configured to first
First gear stage of planetary stage and be configured to the second gear stage of the second planetary stage, wherein, the first row star include rotating the
The first gear that one gear and at least two are fixed, and wherein, the second planetary stage includes the second gear and at least two rotated
Individual the second fixing gear.Being characterised by according to driver element of the present utility model, the first gear configurations of rotation becomes respectively
Having the first classification planetary gear in two the first different helical teeth portions, wherein, the first classification planetary gear is by means of two not
With the first helical teeth portion in corresponding one engage with in the first fixing gear and different by means of two
Corresponding another in first helical teeth portion engages with another in the first fixing gear, and the second gear stage has at least one
Individual second helical teeth portion, the first gear stage and the second gear stage the most mutually support, and two the first different helical teeth portions
Become with at least one second helical teeth cage structure so that in the operation of driver element, by two the first different helical teeth portions and extremely
The axial force that a few second helical teeth portion produces is cancelled out each other.
Fixing by the first gear stage and the second gear stage, the planetary gear of the especially first gear stage and the second gear stage
Gear (sun gear of the such as second gear stage) the most mutually supports, and is cancelled out each other by the axial force produced, and obtains
Following advantage, i.e. the measure in extra structure can be cancelled, be especially generally used for bearing the axial force that produced by helical teeth portion
Supporting.This manufactures and more simply assembles according to driver element of the present utility model with making it possible to relative lower cost, because of
For needing less component.This again improves efficiency, decrease abrasion, also extend required service intervals.
Gear stage is as planetary stage, i.e. as the structural scheme of planetary transmissions make the advantage of compact conformation with
The ability that can transmit relatively large torque combines.Additionally, planetary stage or planetary transmissions comparatively robust.
Following advantage is obtained as the planetary structural scheme of classification, i.e. correspondingly can be by first planet wheel
Noise generates and torque transmission or rotating speed aspect the most irrelevantly optimize the first row star-wheel and fixes
The tooth engagement of the first gear, because it occurs in different tooth engagements and generally in different helical teeth portions.This improves
The number of degrees of freedom existed in terms of optimizing moment transmission and avoiding noise, this most especially creates in terms of being avoided noise
Relatively preferably effect.This is particularly advantageous just in terms of the noise characteristic of the first gear stage, because the first gear stage is excellent
Selection of land is directly by the shaft-driven gear stage of the driving rotated quickly, thus is likely to potentially due to relatively high rotating speed produce
Relatively high noise generates.
Also it is that helical teeth engages by the second gear stage, i.e. there is the second helical teeth portion, it is thus achieved that additional advantage, i.e.
In operation, especially in the case of high input speed, generate relatively known according to the noise of driver element of the present utility model
Driver element reduces.
Statement " axial force is cancelled out each other " is interpreted as according to this utility model, and the summation of the axial force of generation is zero.Therefore
Not only consider the numerical value of axial force, and be also contemplated for the action direction of axial force.
Correspondingly, the axial force of generation not all points to identical the precondition that the axial force of all generations is cancelled out each other
Direction because the axial force otherwise produced will mutually be strengthened according to the natural law.Therefore it is arranged to according to this utility model,
Act in the axial force in two the first different helical teeth portions or at least one the second helical teeth portion and make
Other axial forces in another or at least one the second helical teeth portion in two the first different helical teeth portions are in opposite direction.
The actual axial force produced by helical teeth portion can be calculated according to known formula
Fa=Ft·tanβ
Wherein, FaRepresent and act on the axial force in helical teeth portion or act on the axial force of the gear with helical teeth portion, FtTable
It is shown as the tangential force for helical teeth portion or acts on the tangential force of the gear with helical teeth portion, and β represents inclining of helical teeth portion
Rake angle.
Tangential force FtCan calculate according to following known relation formula again and determine
Ft=2T/dw,
Wherein, T illustrates the moment transmitted by gear, and dwRepresent the pitch diameter of gear.
In general, the axial force produced by helical teeth portion is accordingly dependent on the driving acting on the gear with helical teeth portion
Moment, there is the helical teeth rotation direction in the pitch diameter of the gear in helical teeth portion, the angle of inclination in helical teeth portion and helical teeth portion.Additionally, it is logical
The axial direction crossing the axial force that helical teeth portion produces depends on, the gear with helical teeth portion is active or driven gear.
In the case of gear actively, the axial force produced by helical teeth portion is forward, in contrast, in the feelings of driven gear
The axial force produced under condition is negative sense.Therefore, consider all of these factors taken together according to this utility model and correspondingly it entered
Row design, in order to make the axial force of all generations offset.
Preferred embodiment be arranged to according to of the present utility model, the first fixing gear configurations become at least one first
Sun gear and/or be configured at least one first gear ring, and the second fixing gear configurations becomes at least one second sun gear
And/or it is configured at least one second gear ring.The first fixing gear or the second fixing gear are as sun gear or work
For the structural scheme of gear ring corresponding to the universal of planetary transmissions and reliable structural scheme.
Classification planetary gear is interpreted as a kind of planetary gear according to this utility model, and this planetary gear has that along its axial direction
At least two teeth portion that this is staggeredly arranged, wherein this at least two engaging piece can the most respectively from other different consolidating
Fixed gear, such as, it is in gear ring and sun gear and engages.
Term " different helical teeth portions " is construed to relate to the helical teeth portion differed as follows according to this utility model, and this differs
Helical teeth portion to each other may differ in its modulus, its number of teeth, its pitch diameter, its angle of inclination or its helical teeth rotation
To.But also according to this utility model also it is possible that term " different helical teeth portions " is expressed as follows the helical teeth portion differed,
The helical teeth portion that this differs has identical modulus, the identical number of teeth, identical pitch diameter, identical angle of inclination with identical
Helical teeth rotation direction.In the case of the latter, therefore different helical teeth portions is to distribute for different teeth portion or different gears
Identical helical teeth portion.
According to this utility model, helical teeth rotation direction is interpreted as that the direction at angle of inclination, i.e. angle of inclination are to rise or decline.
Thus helical teeth rotation direction is only relevant with actual angle of inclination, because helical teeth rotation direction explanation helical teeth portion is in which direction relative to directly
Teeth portion deviates.
Due to two the first different helical teeth portions, first planet wheel causes as the planetary structural scheme of classification, logical
Cross that fixing the first gear (the such as first sun gear and the first gear ring) of at least two produces, act on the first classification planet tooth
The usual numerical value of axial force of wheel is different.Therefore, usual numerical value is not equal to the responsive to axial force of synthesis of zero in the first classification planet
Gear.According to this utility model, this synthesis act on the first planetary axial force of classification by by the second helical teeth portion or
The axial force (it is such as produced by the second sun gear) that person's gear stage produces is offset.
According to this utility model, all helical teeth cage structures being present in driver element become so that in the fortune of driver element
The axial force summation of all generations in row is cancelled out each other.According to this utility model, this with have helical teeth portion gear quantity and
The corresponding structural scheme in different helical teeth portions is unrelated.
It is furthermore preferred that the second gear configurations rotated becomes the second classification planetary gear, wherein, the second classification planet tooth
Wheel is respectively provided with two the second different helical teeth portions, and wherein, the second classification planetary gear is by means of two the second different helical teeth
Corresponding one in portion is engaged and by means of in two the second different helical teeth portions from the second fixing gear
Corresponding another engage with another in the second fixing gear.This also makes the second gear stage can give birth at its noise
Become and fully optimized with its torque transmission or rotating speed aspect.
Alternatively, the second gear of rotation also may be configured to only have single-stage or the common planet in single helical teeth portion
Wheel.
Preferably, the first classification planetary gear or the second classification planetary gear structure become so that corresponding at least two
Engaging piece is connected to each other the most with one heart and rigidly by means of hollow axle.
Due to two the second different helical teeth portions, the second planetary gear causes as the planetary structural scheme of classification, produces
Life may not identical two axial forces of numerical value.Accordingly, it is possible to act on the number of the axial force of the second planetary synthesis of classification
Value is also not equal to zero.
Be preferably set to, two the first different helical teeth portions be respectively provided with identical helical teeth rotation direction or two different
Second helical teeth portion is respectively provided with identical helical teeth rotation direction.This causes, the axial force that two the first different helical teeth portions produce respectively
There is different action directions or axial force that two the second different helical teeth portions produce respectively have different action directions,
Because the corresponding one-level in helical teeth portion is actively, and another grade corresponding in helical teeth portion is driven.
Preferably, the first gear stage includes two to six the first row star-wheels, especially three or four the first row star-wheels.The most excellent
Selection of land, the second gear stage includes two to six the second planetary gears, especially three or four the second planetary gears.Have proven to the first gear stage
Or this structural scheme of the second gear stage is particularly strong and reliable.
Being preferably set to, driver element also includes device housing, at least one driving wheel and at least one driving horse
Reach.Here, device housing accommodates the first gear stage and the second gear stage, and the most also holding drive, in order to one
Aspect is protected the first gear stage and the second gear stage and drives motor to avoid polluting, and also achieves driving on the other hand
The arrangement that the above-mentioned element mentioned of unit is the most stable inside device housing.Alternatively, however, at least one
Individual driving motor is also disposed at the outside of device housing.It is also preferable that at least one driving wheel also is disposed on transmission
The outside of device housing.
It is particularly preferred that at least one drives motor structure to become at least one electro-motor.Electro-motor is relative to internal combustion engine
A little in its configuration aspects relative compact, this is conducive to using according to driver element of the present utility model in vehicle,
Because it is available to only exist little installing space in the vehicle closely constructed in usual structure.This
Outward, electro-motor is in operation without discharge, and this is conducive to by the ground transportation according to drive unit drives of the present utility model
Instrument runs in warehouse or Factory Building.
If driver element includes the driving wheel more than only one, especially include two driving wheels, it is preferable that all drive
Driving wheel is distributed to by the axletree of at least one electrical motor driven.Alternatively, however, it is possible to be two or more driving wheel
In each by respective, distribute to the electrical motor driven of corresponding driving wheel.
Preferred embodiment being arranged to according to of the present utility model another, the first classification planetary gear is radial and axial
On can not rotate against and can not be connected with the second sun gear relatively movably.
Preferred embodiment being arranged to according to of the present utility model another, the first classification planetary gear is radial and axial
On be bearing in the first row carrier, this first row carrier can not rotate against and can not relatively movably with the second sun gear phase
Connect.It is therefore intended that, born by the second sun gear by the summation of the axial force of two different the first helical teeth portions generations.
Because becoming according to this utility model all helical teeth cage structure so that all axial forces produced in the operation of driver element are mutual
Offsetting, i.e. it is to say, the summation of all axial forces produced is zero, the first classification planetary gear and the second sun gear can be
Support each other on Zhou Xiang and be mutually maintained in dynamic balance state.It is therefore not necessary to arrange extra for the first row carrier or
Person is for the axial supporting of the second sun gear.
Preferred embodiment being arranged to according to of the present utility model another, the first gear ring and/or the second gear ring are rigidly
It is arranged at the device housing of driver element.Therefore, the axial force acting on the first gear ring or the second gear ring can incoming shell
Body.Additionally, generally the machinery of housing can be improved by the arrangement at the inwall of housing by the first gear ring or the second gear ring
Stability.
Preferred embodiment it is arranged to according to of the present utility model another, the first gear stage and/or the second gear stage structure
Cause retarding stage.But this is conducive to using rotation is this most particularly compact electro-motor especially soon.
Preferred embodiment being arranged to according to of the present utility model another, driver element also includes drive shaft, wherein, drives
Moving axis is supported on axially and radially direction.Therefore, drive shaft can bear the axial force produced by the first gear stage.Drive shaft
Support on axially and radially direction is preferably by being used for the floating bearing of radially support or by for radial direction and axle
Realize to the fixing bearing supported.Alternatively, drive shaft can be arranged on driving motor via it and be supported.
Drive shaft preferably directly couples with driving motor, and especially drive shaft is the motor drive shaft of electro-motor.This achieves
Drive sun gear simply, and without other, to be connected to centre gear.
Preferred embodiment being arranged to according to of the present utility model another, drive shaft drives the first sun gear, wherein,
One sun gear can not rotate against and can not be connected with drive shaft relatively movably vertically.First is driven by drive shaft
Sun gear, can realize rotating speed on the one hand and reduce, because of the rotary rpm according to natural law planetary gear or gear ring
Rotating speed reduces relative to the rotating speed of sun gear.Also can not be rotated against by the first sun gear and vertically can not be relatively movably
Being connected with drive shaft, the axial force acting on the first sun gear can incoming drive shaft.Therefore, the first sun gear single,
Such as optional with axially supporting of fixing bearing type.
Preferred embodiment being arranged to according to of the present utility model another, driver element also includes driven shaft, wherein, from
Moving axis is supported on axially and radially direction.Therefore, driven shaft can partly bear by second gear stage produce axial
Power.
Driven shaft support in the radial and axial directions is preferably by being used for the floating bearing of radially support or leading to
Cross the fixing bearing for radial and axial support to realize.
Because driven shaft directly, such as by means of Flange joint is connected with driving wheel with it is also particularly that, therefore, from
Moving axis also must endure as being acted on radial force and the axial force of driven shaft by driving wheel.
Be preferably set to, second planetary gear drive driven shaft, i.e. driven shaft can not with the relative rotation with the second planet carrier
It is connected.It is derived from following advantage, i.e. achieve further rotating speed at this and reduce, because the first row carrier drives second
Sun gear, and the second sun gear drives the second planetary gear.The reduction of this further rotating speed makes it possible for particularly rapidly
The electro-motor rotated.
This utility model further relates to a kind of vehicle.Feature according to vehicle of the present utility model exists
In, vehicle includes according to driver element of the present utility model.This produce it is stated that advantage.
Accompanying drawing explanation
Next this utility model is exemplarily illustrated according to embodiment illustrated in the accompanying drawings.Wherein:
Fig. 1 schematically shows the first embodiment according to driver element of the present utility model,
Fig. 2 schematically shows the second embodiment according to driver element of the present utility model,
Fig. 3 schematically shows the 3rd embodiment according to driver element of the present utility model,
Fig. 4 schematically shows the action direction of the power produced according to the first embodiment,
Fig. 5 schematically shows the axial force produced by the first embodiment according to driver element of the present utility model
And tangential force.
Identical object, functional unit indicate identical reference in the accompanying drawings with similar element.As long as from explanation
In the most explicitly or implicitly draw different content, then this object, functional unit and similar element are in terms of its technical characteristic
Implement into identical.
Detailed description of the invention
Fig. 1 schematically shows the first embodiment according to driver element 1 of the present utility model.Driver element 1
Including the first gear stage 2 and the second gear stage 3 according to this example, wherein, the first gear stage is configured to the first row star, the second transmission
Level is configured to the second planetary stage.Additionally, the first gear stage 2 and the second gear stage 3 are respectively configured to retarding stage.The first row star is just
Include the first sun gear the 4, first gear ring 5 and three the first row star-wheels 6 for itself, but only show for reasons of the most a little
Go out an independent the first row star-wheel 6 therein.Second planetary stage the most correspondingly includes the second sun gear 7, second
Gear ring 8 and similarly the second planetary gear 9, the most only illustrate independent second planetary gear 9 therein for reasons of the most a little.
As can be seen, the first row star-wheel 6 is configured with helical teeth portion 6' and 6 " the first classification planetary gear 6.As being also shown in
Like that, classification planetary gear 6 engages and via helical teeth portion 6 via helical teeth portion 6' and the first sun gear 4 and " nibbles with the first gear ring 5
Close.Here, the first classification planetary gear 6 supports by means of the first row carrier 11 on radial and axial, wherein, the first row carrier
11 can not rotate against at driven sidepiece and can not be connected with the second sun gear 7 relatively movably.First gear stage 2 and
Therefore two gear stages 3 support the most each other via the first row carrier 11.Can not rotate against via this and can not relatively move
Dynamic connection, planet carrier 11 drives the second sun gear 7.Additionally, the first gear ring 5 is arranged in also not showing of driver element 1 rigidly
At the inwall 10 of the device housing gone out, this achieves the first gear stage 2 via the first gear ring 5 on the one hand at device housing
In firm and stable arrangement, and the most also can improve the mechanical stability of device housing, because passing
Dynamic device housing can be strengthened extraly by the first gear ring 5 or be supported.It is similar to the arrangement of the first gear ring 5, the second gear ring 8
Being arranged at the inwall 10 of device housing the most rigidly, this achieves the most again the second gear stage 3 via the second gear ring 8
Firm and stable arrangement in device housing, and can further improve the machine of device housing on the other hand
Tool stability.Second planetary gear 9 of the second gear stage 3 not only engages with the second sun gear 7 via the second helical teeth portion 9', and
Engage with the second gear ring 8.The helical teeth portion 6' and 6 of the first gear stage " implements into different according to this example respectively.Show according to this
Example, " difference each other is their number of teeth, modulus, angle of inclination and inclination side to these two the first helical teeth portion 6' and 6
To.This makes it possible to the spy the most irrelevantly optimizing the first gear stage in terms of the generation of its noise and axial force generation
Property.Additionally, the first sun gear 4 can not rotate against and can not be connected with drive shaft 13 relatively movably, wherein, drive shaft 13
It it is the motor drive shaft of unshowned electro-motor.Because, according to the outer wall of this example, unshowned electro-motor and device housing
Can not rotate against and can not screw relatively movably, so the first sun gear 4 props up via drive shaft 13 on radial and axial
Hold in device housing.Second planetary gear 9 is bearing on the second planet carrier 14, and wherein, the second planet carrier 14 is in axial and footpath
Upwards support in the housing 10 and drive single driving wheel in the end deviating from planetary gear 9 of this second planet carrier.By
This second planet carrier 14 is also driven shaft.In the operation of driver element 1, by the first helical teeth portion 6', 6 " and by second
Helical teeth portion 9' produces axial force respectively.This axial force is substantially by being produced by electro-motor and driving via drive shaft 13 is incoming
The driving moment impact of moving cell 1, and affected by diameter, the angle of inclination in helical teeth portion and the helical teeth rotation direction of corresponding teeth portion.
According to this example, in the first gear stage 2, producing axial force at the first sun gear 4, this axial force is by drive shaft
13 bear and support.But the identical axial force in opposite direction of size also acts on classification planetary gear 6 via helical teeth portion 6'.
Due to another axle produced according to this example two the first helical teeth portion 6' and 6 " there is different helical teeth rotation directions, via helical teeth portion 6 "
Act on to the direction that Li Chao is identical with the axial force produced at helical teeth portion 6' on classification planetary gear 6 and strengthen being somebody's turn to do tiltedly
The axial force produced at teeth portion 6'." axial force acting on the first classification planetary gear 6 is in opposite direction with via helical teeth portion 6
Axial force also size acts on the first gear ring 5 in the same manner.But the first gear ring 5 supports via inwall 10, and therefore act on
The axial force of the first gear ring 5 can the inwall 10 of incoming device housing.First classification planetary gear 6 can not support relatively movably
At the first row carrier 11 so that act on the summation incoming the first row carrier 11 of the axial force of the first classification planetary gear 6.The
One planet carrier 11 can not be connected with the second sun gear 7 the most vertically relatively movably, and the second sun gear in itself will
The axial force incoming the first row carrier 11 produced by the second helical teeth portion 9'.That should be produced by the second helical teeth portion 9' and incoming the
The axial force of one planet carrier 11 with by the first helical teeth portion 6', 6 " produce and the axial force direction phases of incoming the first row carrier 11
Instead.Therefore, then the first gear stage 2 and the second gear stage 3 support each other in the axial direction via the first row carrier 11.Because, root
According to this utility model, the first helical teeth portion 6', 6 " and the second helical teeth portion 9' is configured to so that by first in the operation of driver element
Helical teeth portion 6', 6 " axial force and the axial force produced by the second helical teeth portion 9' that produce are cancelled out each other, thus incoming first planet
The summation of the axial force of frame 11 is zero.Therefore, can be without the second sun gear 7 or first can not be supported vertically relatively movably
Planet carrier 11, thus, can make the friction loss of driver element 1 minimize on the one hand, and can reduce manufacture on the other hand
Cost.Finally, identical but in opposite direction with the axial force size by the second sun gear 7 incoming the first row carrier 11 axial
Power is by the second incoming inwall of gear ring 8 10.That spread out of by the second sun gear 7 and acted on the second planet by what the second gear ring 8 spread out of
The axial force size of wheel 9 is identical and in opposite direction, and therefore the two axial force is cancelled out each other.
Fig. 2 schematically shows the second embodiment according to driver element 1 of the present utility model.Reality shown in Fig. 2
The difference executing mode and the embodiment shown in Fig. 1 is the structural scheme of the second gear stage 3, and according to this example, this is years old
Two gear stages include second sun gear the 7, second gear ring 8 and are configured to three the second planetary gears 9 of the second classification planetary gear 9.
But for reasons of clarity, an independent second classification planetary gear 9 is only shown.Second classification planetary gear 9 is along its axle
There are two the helical teeth portion 9' and 9 arranged that offset one from another to direction ".According to this example, two the second helical teeth portion 9', 9 " each other
Difference is its number of teeth, modulus and its angle of inclination.Second classification planetary gear 9 is via helical teeth portion 9' and the second sun gear
7 engagements, and " engage with the second gear ring 8 via helical teeth portion 9.Here, the second classification planetary gear 9 props up on radial and axial
Holding on the second planet carrier 14, wherein, the second planet carrier 14 is driven shaft simultaneously.Consequently, because the exemplary embodiment party of Fig. 2
Formula has two the first helical teeth portion 6', 6 " and two the second helical teeth portion 9', 9 ", so relative to the embodiment that figure 1 illustrates,
Improve number of degrees of freedom when the generation of optimization or the noise characteristic of regulation driver element 1 and axial force, this finally realizes
Again reduce noise to generate.
Fig. 3 schematically shows the 3rd embodiment according to driver element 1 of the present utility model, wherein, the reality of Fig. 3
The difference executing mode and the embodiment of Fig. 2 is, the first row star-wheel 6 and the second planetary gear 9 are bearing in common planet
On frame 12.Additionally, driven shaft 15 can not rotate against and can not be connected with the second sun gear 7 relatively movably.Because from
Moving axis 15 is supported on radial and axial, so this driven shaft can bear the axial force acting on the second sun gear 7.Cause
, there are two the first helical teeth portion 6', 6 " and two the second helical teeth portion 9', 9 " owing to being similar to the embodiment of Fig. 2 in this, so relatively
In the embodiment that figure 1 illustrates, when the noise characteristic of optimization or regulation driver element 1, the number at this degree of freedom also obtains
To improve.
Fig. 4 schematically shows the action direction of the power that the first embodiment according to driver element 1 produces.Driving force
Square 25 is incoming at drive shaft 13.According to this example, sun gear 4 is drivewheel.Classification planetary gear 6 due to its helical teeth portion 6' is
Driven pulley.Driving moment 25 produces tangential force 26 at the helical teeth portion 6' of the first sun gear 4.In the illustrated embodiment of Fig. 4, the
The helical teeth rotation direction of one sun gear 4 is left-handed.Due to the angle of inclination of the first helical teeth portion 6', tangential force 26 produces axial force 27.As
To tangential force 26 and the retroaction of axial force 27, at the helical teeth portion 6' of classification planetary gear 6, tangential force 28 and axial force occur
29.The helical teeth rotation direction of engaging piece 6' must be oppositely oriented with the helical teeth of the first sun gear 4.The most in the example in figure 4, helical teeth portion
The helical teeth rotation direction dextrorotation of 6'.The helical teeth portion 6 of classification planetary gear 6 " engages with the first gear ring 5.Here, classification planetary gear 6 by
" it is drivewheel in its helical teeth portion 6, and gear ring 5 is driven pulley.Correspondingly, tangential force 30 and axial force 31 act on helical teeth
" place, this tangential force and axial force cause tangential force 32 and axial force 33 as retroaction at the helical teeth portion of the first gear ring 5 in portion 6
Power.Helical teeth portion 6 " helical teeth rotation direction oppositely oriented with the helical teeth of helical teeth portion 6'.In this example, helical teeth portion 6 " helical teeth rotation direction left
Rotation.Because helical teeth portion 6' is driven helical teeth portion, and helical teeth portion 6 " is helical teeth portion actively, therefore obtains identical action direction
Axial force 29 and 31.Because tangential force 28 and 30 produces torque at the first row carrier 11, this first row carrier can not be relative
Rotate and can not be connected with the second sun gear 7 relatively movably, therefore at the helical teeth portion of the second sun gear 7 also vertically
Generate tangential force 34, and owing to the angle of inclination in the helical teeth portion of the second sun gear 7 also produces axial force 35.Sun gear 7 conduct
Drivewheel engages with planetary gear 9, and planetary gear is driven pulley.As to tangential force 34 and the retroaction of axial force 35, at planetary gear 9
There is tangential force 36 and axial force 37 in place.In this example, the helical teeth rotation direction in the helical teeth portion of the second sun gear 7 is left-handed, and second
The helical teeth rotation direction dextrorotation in the helical teeth portion of planetary gear 9.Additionally, the second planetary gear 9 engages with the second gear ring 8.Therefore, tangential force 38 He
Axial force 39 acts also at the teeth portion of planetary gear 9.These power cause tangential force 40 and axial force 41 conduct at the second gear ring 8
Counteracting force.Therefore the tangential force 36 and 38 acting on planetary gear 9 causes from dynamic torque 42, and this driven torque is in driven shaft
At 14.Axial force 29,31 and 35 acts in the first row carrier 11.This axial force and the helical teeth portion of the first sun gear 4, the first tooth
Helical teeth portion, the first row star-wheel 6 helical teeth portion and the helical teeth portion of the second sun gear 7 and the driving moment 25 of circle 5 are relevant.Exemplary
In the helical teeth portion that illustrates, the axial force acted in the first row carrier of generation is cancelled out each other.
Fig. 5 schematically shows the helical teeth portion 6' and 6 of the first classification planetary gear 6 with flank view " and second too
The helical teeth portion 7' of sun wheel 7.For more preferable observability, depart from driver element 1 ground in Figure 5 and show helical teeth portion 6', 6 " and 7'
There are helical teeth portion 6', the 6 " gears with 7', i.e. the first classification planetary gear 6 and the second sun gear 7 in other words.Helical teeth portion 6', 6 "
With diameter and the angle of inclination that the difference of 7' is its teeth portion respectively.According to this example, helical teeth portion 6 " with 7' and helical teeth portion
6' also differ in that its helical teeth rotation direction.The most as can be seen, helical teeth portion 7' and 6 " tooth in the diagram of Fig. 4 from
Upper left is lower to the right to be extended.In contrast, the tooth of helical teeth portion 6' extends from lower-left to upper right in the diagram of Fig. 4.According to this example,
Helical teeth portion 6' is driven by the first sun gear 4, and in contrast, helical teeth portion 6 " is actively.Equally, helical teeth portion 7' is also actively.
Correspondingly, " action direction of the axial force produced and the action direction of the axial force by helical teeth portion 7' generation by helical teeth portion 6' and 6
On the contrary.This is illustrated by arrow 18,18' and 19, and arrow 18,18' and 19 symbolically represent at driver element 1 exemplarily
Select operating point in, i.e. in the case of exemplary torque by helical teeth portion 6', 6 " and 7' produce make a concerted effort.Here,
Should make a concerted effort or arrow 18,18' and 19 included pointing to the tangential force in x direction and pointing to the axial force in y direction respectively.Point to x side
To tangential force born by the supporting of the first classification planetary gear 6 and the second sun gear 7.But the axial force pointing to y direction is led to
Cross helical teeth portion 6', 6 " and 7' be following situation according to structural scheme of the present utility model, i.e. point to y direction axial force phase
Offset mutually and correspondingly need not be provided for bearing the supporting of this axial force.Arrow 29,31 and 35 show helical teeth portion 6',
6 " axial force and finally synthesized at 7'.As can be seen, by helical teeth portion 6' and 6, " axial force produced is in the diagram of Fig. 5
In sensing, and the axial force produced by helical teeth portion 7' is downward at the diagram middle finger of Fig. 5, because axial force 6' and 6 " action direction
Contrary with the action direction of axial force 7'.The numerical value of axial force is illustrated by the length of arrow 29,31 or 35 respectively.This axial force
Numerical value also dependent on relational expression calculate determine
Fa=Ft·tanβ
Wherein, FaRepresent the axial force acting on the gear with helical teeth portion, FtRepresent and act on the gear with helical teeth portion
Tangential force, and β represents the angle of inclination in helical teeth portion.Tangential force FtCan calculate according to equation below again
Ft=2T/dw,
Wherein, T illustrates the moment transmitted by gear, and dwRepresent the pitch diameter of gear.Final from driver element 1
Corresponding operating point or obtain, from the torque exported by electro-motor accordingly, the moment transmitted by gear.
Reference
1 driver element
2 first gear stages
3 second gear stages
4 first sun gears
5 first gear rings
6 the first row star-wheels
6' the first helical teeth portion
6 " another the first helical teeth portion
7 second sun gears
7' the second helical teeth portion
8 second gear rings
9 second planetary gears
Another the second helical teeth portion of 9'
9 " another the second helical teeth portion
The inwall of 10 device housings
11 the first row carrier
12 the first row star-wheels and the common planet carrier of the second planetary gear
13 drive shafts
14 second planet carriers
18,18' the first classification is planetary makes a concerted effort
Making a concerted effort of 19 second sun gears
25 driving moments
26 tangential forces at the first sun gear
27 axial forces at the first sun gear
28 tangential forces at the first helical teeth portion 6' of the first row star-wheel
29 axial forces at the first helical teeth portion 6' of the first row star-wheel
30 in the first helical teeth portion 6 of the first row star-wheel the " tangential force at place
31 in the first helical teeth portion 6 of the first row star-wheel the " axial force at place
32 tangential forces at the first gear ring
33 axial forces at the first gear ring
34 tangential forces at the second sun gear
35 axial forces at the second sun gear
36 tangential forces at the second sun gear
37 axial forces at the second sun gear
38 tangential forces at the second planetary gear
39 axial forces at the second planetary gear
40 tangential forces at the second planetary gear
41 axial forces at the second planetary gear
42 output torques.
Claims (10)
1. the driver element (1) for vehicle, this driver element includes being configured to the first of the first row star
Gear stage (2) and be configured to second gear stage (3) of the second planetary stage, wherein, described the first row star includes first rotated
The first gear (4,5) that gear (6) and at least two are fixed, and wherein, described second planetary stage includes the second tooth rotated
The second gear (7,8) that wheel (9) and at least two are fixed,
It is characterized in that, first gear (6) of described rotation is configured to have two the first different helical teeth portions (6', 6 ")
The first classification planetary gear (6), wherein, described first classification planetary gear (6) is by means of different first oblique of said two
(6') corresponding one in teeth portion engaged with in described fixing the first gear (4,5), and by means of described two
In individual the first different helical teeth portion corresponding another (6 ") and another in described fixing the first gear (4,5) are nibbled
Closing, described second gear stage (3) has at least one second helical teeth portion (7', 9', 9 "), described first gear stage (2) and described
Second gear stage (3) the most mutually supports, and the first helical teeth portion (6', 6 ") and described at least that said two is different
Individual second helical teeth portion (7', 9', 9 ") are configured to so that in the operation of described driver element (1) by said two different
One helical teeth portion (6', 6 ") and at least one second helical teeth portion described (7', 9', 9 ") axial force that produces (27,29,31,33,35,
37,39,41) cancel out each other.
Driver element the most according to claim 1 (1), it is characterised in that described fixing the first gear (4,5) is at least
One the first sun gear (4) and/or be at least one first gear ring (5), and described fixing the second gear (7,8) is at least
One the second sun gear (7) and/or be at least one second gear ring (8).
Driver element the most according to claim 2 (1), it is characterised in that described first classification planetary gear (6) is radially
Be bearing in the first row carrier (11) on axially, this first row carrier can not with the relative rotation and can not relatively movably with
Described second sun gear (7) is connected.
4. according to the driver element (1) described in Claims 2 or 3, it is characterised in that described first gear ring (5) and/or described
Two gear rings (8) are arranged at the device housing of described driver element (1) rigidly.
Driver element the most according to any one of claim 1 to 3 (1), it is characterised in that described first gear stage (2)
And/or described second gear stage (3) is retarding stage.
Driver element the most according to any one of claim 1 to 3 (1), it is characterised in that described driver element (1) is also
Including drive shaft (13), wherein, described drive shaft (13) is supported in a radial direction and an axial direction.
Driver element the most according to claim 6 (1), it is characterised in that described drive shaft (13) drives described first too
Sun wheel (4), wherein, described first sun gear (4) can not rotate against and vertically can not relatively movably with described driving
Axle (13) is connected.
Driver element the most according to any one of claim 1 to 3 (1), it is characterised in that described driver element (1) is also
Including driven shaft (14), wherein, described driven shaft is supported in a radial direction and an axial direction.
Driver element the most according to claim 7 (1), it is characterised in that described driven shaft (14) drives described driving single
Unit (1) driving wheel, wherein, described driven shaft (14) can not rotate against and can not relatively movably with described driving wheel phase
Connect.
10. a vehicle, it is characterised in that described vehicle include according in claim 1 to 9 at least
One described driver element (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015205264.8 | 2015-03-24 | ||
| DE102015205264.8A DE102015205264A1 (en) | 2015-03-24 | 2015-03-24 | Drive unit for an industrial truck and industrial truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824118U true CN205824118U (en) | 2016-12-21 |
Family
ID=56889657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620233919.XU Expired - Fee Related CN205824118U (en) | 2015-03-24 | 2016-03-24 | Driver element and vehicle for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205824118U (en) |
| DE (1) | DE102015205264A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133225A (en) * | 2017-10-13 | 2020-05-08 | 爱信艾达株式会社 | Vehicle drive device |
| CN111148921A (en) * | 2017-10-13 | 2020-05-12 | 爱信艾达株式会社 | Vehicle drive device |
| CN111148920A (en) * | 2017-10-13 | 2020-05-12 | 爱信艾达株式会社 | Vehicle drive device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017129588A1 (en) * | 2017-12-12 | 2019-06-13 | Schaeffler Technologies AG & Co. KG | Staged planetary gear for a helical planetary gear |
| DE102021132457A1 (en) | 2021-12-09 | 2023-06-15 | Schaeffler Technologies AG & Co. KG | Planetary gear set with thrust washer for two ring gears, axial ring gear support, thrust washer for one ring gear and electric vehicle powertrain with axially supported ring gears |
| DE102022211992A1 (en) * | 2022-11-11 | 2024-05-16 | Zf Friedrichshafen Ag | Sequentially arranged planetary gears |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210152A (en) * | 1996-02-05 | 1997-08-12 | Aisin Aw Co Ltd | Power transmission |
| DE19604824A1 (en) | 1996-02-12 | 1997-08-14 | Zahnradfabrik Friedrichshafen | Planetary gear |
| DE10000221A1 (en) * | 2000-01-05 | 2001-07-12 | Bosch Gmbh Robert | Regulator member for steering angle changes of motor vehicle wheels has meshing planet wheels and sun wheels with phased helix angles to generate axial force components |
| DE102011011012A1 (en) * | 2010-02-12 | 2011-08-18 | Magna Powertrain Ag & Co Kg | Wheel hub drive for e.g. hybrid vehicle, has planetary gear comprising two gearing portions to form step planet gear box whose transmission ratio is in between predefined values, where radius of one portion is larger than another portion |
| US8357071B2 (en) * | 2010-03-29 | 2013-01-22 | Shimano Inc. | Planetary gear mechanism for a bicycle internal hub transmission |
| DE102010040738A1 (en) | 2010-09-14 | 2012-03-15 | Zf Friedrichshafen Ag | Drive axle for electrical propelled vehicle e.g. forklift, has drive shaft connected with sun gear via shaft-hub connection, and non-destructive detachable connection for axial force support provided between sun gear and drive shaft |
| DE102011114464A1 (en) * | 2011-09-28 | 2013-03-28 | Manfred Böttcher | transmission |
| DE102014218737A1 (en) * | 2013-10-09 | 2015-04-09 | Schaeffler Technologies Gmbh & Co. Kg | Two-stage planetary gearbox for reduction of high speeds |
-
2015
- 2015-03-24 DE DE102015205264.8A patent/DE102015205264A1/en not_active Withdrawn
-
2016
- 2016-03-24 CN CN201620233919.XU patent/CN205824118U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133225A (en) * | 2017-10-13 | 2020-05-08 | 爱信艾达株式会社 | Vehicle drive device |
| CN111148921A (en) * | 2017-10-13 | 2020-05-12 | 爱信艾达株式会社 | Vehicle drive device |
| CN111148920A (en) * | 2017-10-13 | 2020-05-12 | 爱信艾达株式会社 | Vehicle drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015205264A1 (en) | 2016-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205824118U (en) | Driver element and vehicle for vehicle | |
| US20110124455A1 (en) | Hybrid drive train of a motor vehicle | |
| CN104553767B (en) | Vehicle drive unit | |
| US8808125B2 (en) | Hybrid vehicle driving apparatus | |
| JP4372157B2 (en) | Gear transmission provided with planetary gear unit | |
| US10641377B2 (en) | Compact multi-stage gear with a planetary gear and a strain wave gear adjacent to said multi-stage gear | |
| JP2007500319A (en) | Compact epicyclic gear carrier | |
| US10260601B1 (en) | Multi stage transmission for vehicle | |
| US20140128194A1 (en) | Drive unit mounted close to the wheel for a motor vehicle | |
| WO2013146247A1 (en) | Automatic transmission | |
| KR20120029379A (en) | Wind turbine | |
| CN107000571B (en) | Driving unit and vehicle for vehicle | |
| WO2013114631A1 (en) | Vehicle drive device | |
| CN102654104B (en) | Deceleration device for wind power generating apparatus and deceleration device provided with output pinion | |
| CN103429931B (en) | Speed change gear | |
| US7182708B2 (en) | Final drive for electric motor to wheel | |
| CN106164484A (en) | Planetary gear, include planetary wind-driven generator and planetary use | |
| CN102242795A (en) | Precision cycloid decelerator | |
| US10330180B2 (en) | Planetary gear train of automatic transmission for vehicle | |
| SE519200C2 (en) | Gas turbine device with an arrangement for operating one or more auxiliary appliances | |
| CN106164483A (en) | Planetary gear, there is planetary wind-driven generator and planetary use | |
| US20190210446A1 (en) | Planetary Gearset System for a Motor-Vehicle Transmission, Transmission for a Motor Vehicle Having Such a Planetary Gearset System, and Drive Train for a Motor Vehicle | |
| US11827091B2 (en) | Vehicle transmission apparatus and vehicle | |
| CN104781584A (en) | Transmission unit comprising coupled planetary gear stages | |
| CN205371472U (en) | Wheel limit structure and operation machinery of planet gear , leveler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |