CN106555845A - Differential mechanism, power drive system and vehicle - Google Patents
Differential mechanism, power drive system and vehicle Download PDFInfo
- Publication number
- CN106555845A CN106555845A CN201510623387.0A CN201510623387A CN106555845A CN 106555845 A CN106555845 A CN 106555845A CN 201510623387 A CN201510623387 A CN 201510623387A CN 106555845 A CN106555845 A CN 106555845A
- Authority
- CN
- China
- Prior art keywords
- wheel
- gear ring
- row
- gear
- differential mechanism
- 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.)
- Granted
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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H2048/104—Differential gearings with gears having orbital motion with orbital spur gears characterised by two ring gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of differential mechanism, power drive system and vehicle.Differential mechanism, including：The first row carrier, the first row star-wheel and the first gear ring, the first row star-wheel are arranged in the first row carrier, and the first row star-wheel is engaged with the first gear ring；Second planet carrier, the second planetary gear and the second gear ring, the second planetary gear are arranged on the second planet carrier, and the second planetary gear is engaged with the second gear ring and the second planetary gear is also engaged with the first row star-wheel；Wherein, the first gear ring and the second gear ring constitute the power intake of the clutch end of differential mechanism, the first row carrier and the second planet carrier composition differential mechanism.The differential mechanism of the present invention utilizes planet differential principle, and in structure and type of attachment, space availability ratio is higher, and axial dimension is less, and more advantageous in production and fit on.
Description
Technical field
The present invention relates to a kind of differential mechanism, the power drive system with the differential mechanism, with the power transmission
The vehicle of system.
Background technology
In a kind of differential art known for inventor, differential mechanism includes that the driven gear of main reducing gear is (main
Subtract driven gear), planetary gear, centre wheel etc., planetary gear is arranged on driven tooth by square shaft, axle sleeve
On the subplate of wheel, and engage with centre wheel, realize which rotates and locomotive function with secondary and plane moving sets are rotated,
Centre wheel passes through angular alignment pin and cylindrical pair or spline is connected with left and right two-semiaxle, reaches the mesh of output torque
's.This differential mechanism eliminates the components such as original differential mechanism or so housing, planetary gear shaft, uses square shaft instead
Directly planetary gear is arranged on the subplate of driven gear of main reducing gear with axle sleeve, effectively reduces differential
The number of parts of device, simplifies structure, alleviates weight.
But, this differential mechanism make use of symmetrical expression bevel gear structure to realize differential between wheel, just for tradition
Symmetrical expression bevel differential part innovation, can not really solve this differential design axial dimension
Excessive, housing and bevel gear quality be big and the shortcoming of reliability relative deviation.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art to a certain extent.
For this purpose, the present invention proposes a kind of differential mechanism, the differential mechanism realizes differential work(using planet differential principle
Can, it is compact conformation, simple.
The invention allows for a kind of power drive system with the differential mechanism.
The invention allows for a kind of vehicle with the power drive system.
Differential mechanism according to embodiments of the present invention, including：The first row carrier, the first row star-wheel and the first gear ring,
The first row star-wheel is arranged in the first row carrier, and the first row star-wheel is nibbled with first gear ring
Close；Second planet carrier, the second planetary gear and the second gear ring, second planetary gear are arranged on second row
In carrier, second planetary gear is engaged with second gear ring and second planetary gear is also with described first
Planetary gear is engaged；Wherein, first gear ring and second gear ring constitute the power output of the differential mechanism
End, the first row carrier and second planet carrier constitute the power intake of the differential mechanism.
Differential mechanism according to embodiments of the present invention utilizes planet differential principle, the space in structure and type of attachment
Utilization rate is higher, and axial dimension is less, and more advantageous in production and fit on.
Additionally, differential mechanism according to embodiments of the present invention can also have following additional technical feature：
Some embodiments of the invention, the first row star-wheel and second planetary gear portion in the axial direction
Divide and overlap.
Some embodiments of the invention, the first row star-wheel include：First teeth portion and the second teeth portion,
Second planetary gear includes：3rd teeth portion and the 4th teeth portion, first teeth portion are nibbled with first gear ring
Close, second teeth portion and the 3rd teeth portion corresponding overlap and engage cooperation on the axial direction, described the
Four teeth portion are engaged with second gear ring.
Some embodiments of the invention, differential mechanism also include：Input shaft and output shaft, the input shaft
Be connected with the first row carrier and second planet carrier respectively, the output shaft respectively with first tooth
Circle is connected with second gear ring, and the input shaft, the output shaft are coaxially arranged.
Some embodiments of the invention, the input shaft include：First input shaft and the second input shaft,
First input shaft is connected with the first row carrier, second input shaft and the second planet carrier phase
Even, the output shaft includes：First output shaft and the second output shaft, first output shaft and described first
Gear ring is connected, and second output shaft is connected with second gear ring, and first output shaft is coaxially arranged
On first input shaft, second output shaft is coaxially set on second input shaft.
Some embodiments of the invention, the first row carrier and second planet carrier are configured to circle
The platy structure of shape, and the first row carrier and second planet carrier are split-type structural.
Some embodiments of the invention, the first row star-wheel are multiple and circumferentially spaced, institute
The second planetary gear is stated for multiple and circumferentially spaced, multiple the first row star-wheels and multiple described second
Planetary gear is respectively correspondingly engaged.
Some embodiments of the invention, the first row star-wheel and the second planetary gear are roller gear.
Some embodiments of the invention, first gear ring and second gear ring are symmetrical arranged.
Some embodiments of the invention, each in first gear ring and second gear ring are wrapped
Include：Body panels portion and be arranged on the body panels portion periphery edge annular side wall portion, the annular side
Multiple teeth are provided with the internal face of wall portion, are limited between the body panels portion and the annular side wall portion
The cavity of cavity, first gear ring and second gear ring is toward each other constituting installing space.
Some embodiments of the invention, the first row carrier and the first row star-wheel and described
Two planet carriers and second planetary gear are accommodated in the installing space.
Some embodiments of the invention, first gear ring and second gear ring are provided with the axial direction
Gap.
Some embodiments of the invention, each described the first row star-wheel are configured with a first row star-wheel
Axle, two ends of the first planet wheel shaft respectively with the first row carrier and the second planet carrier phase
Even, each described second planetary gear is configured with second planet wheel spindle, two of second planet wheel spindle
End is connected with the first row carrier and second planet carrier respectively.
Some embodiments of the invention, the revolution axis of the first row star-wheel and second planetary gear
Revolution dead in line.
Some embodiments of the invention, the revolution-radius of the first row star-wheel and second planetary gear
Public radius it is identical.
Some embodiments of the invention, the first row star-wheel and second planetary gear be it is multiple,
Multiple the first row star-wheels and the circumferentially alternating arrangement of multiple second planetary gears, and arbitrary neighborhood
The first row star-wheel and the engagement of the second planetary gear.
Power drive system according to embodiments of the present invention, including above-mentioned differential mechanism.
Vehicle according to embodiments of the present invention, including above-mentioned power drive system.
Description of the drawings
Fig. 1 is the explosive view of differential mechanism according to embodiments of the present invention；
Fig. 2 is the front view of differential mechanism according to embodiments of the present invention；
Fig. 3 is the plan view sketch of differential mechanism according to embodiments of the present invention；
Fig. 4 is the partial perspective view of the differential mechanism according to instinct inventive embodiments, wherein eliminating the first gear ring
With the first row carrier；
Fig. 5 is the partial front elevation view of differential mechanism according to embodiments of the present invention, wherein basically illustrating the first row
Carrier, the first row star-wheel and the second planet carrier and the second planetary gear etc.；
Fig. 6 is the mesh schematic representation of the first row star-wheel and the second planetary gear；
Fig. 7 is the engagement sketch of the first row star-wheel and the second planetary gear；
Fig. 8 is the first gear ring or the stereogram of the second gear ring according to another embodiment of the invention；
Fig. 9 is the stereogram of the first gear ring or the second gear ring according to further embodiment of the present invention；
Figure 10 is the schematic diagram of power drive system according to embodiments of the present invention；
Figure 11 is the schematic diagram of vehicle according to embodiments of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein certainly
Begin to same or similar label eventually to represent same or similar element or the unit with same or like function
Part.It is exemplary below with reference to the embodiment of Description of Drawings, it is intended to for explaining the present invention, and not
It is understood that as limitation of the present invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length
Degree ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ",
The orientation or position of the instruction such as " level ", " top ", " bottom " " interior ", " outward ", " clockwise ", " counterclockwise "
The relation of putting is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying
Relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can be expressed or implicitly include one or more this feature.The present invention's
In description, " multiple " are meant that at least two, such as two, three etc., unless otherwise clearly concrete
Restriction.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ",
Terms such as " fixations " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or it is integral；Can be mechanically connected, or electrically connect or can communicate with one another；It can be direct phase
Even, it is also possible to be indirectly connected to by intermediary, can be two element internals connection or two elements
Interaction relationship.For the ordinary skill in the art, can understand above-mentioned as the case may be
Term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on "
Or D score can include the first and second feature directly contacts, it is also possible to it is special including first and second
Levying is not directly contact but by the other characterisation contact between them.And, fisrt feature exists
Second feature " on ", " top " and " above " including fisrt feature directly over second feature
And oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature is second
Feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and tiltedly
Lower section, or fisrt feature level height is merely representative of less than second feature.
Differential mechanism 100 according to embodiments of the present invention is described in detail with reference to Fig. 1-Figure 11,
The differential mechanism 100 can be used for differential or shaft space difference speed between wheel, as a example by differential between wheel, the difference
Fast device 100 can be such that driving wheels travel in turn inside diameter or when uneven road surface is travelled with difference
Angular speed roll, to ensure to make PURE ROLLING between two side drive wheels and ground.
As shown in figure 1, differential mechanism 100 according to some embodiments of the invention can include the first row carrier
11st, the first row star-wheel 12 and the first gear ring 13 and the second planet carrier 21, the second planetary gear 22 and second
Gear ring 23.
With reference to the embodiment of Fig. 1 and Fig. 5, the first row carrier 11 and the second planet carrier 21 it is so structured that
Circular platy structure, so can reduce the axial dimension of differential mechanism 100 to a certain extent.At some
In embodiment, the first row carrier 11 and the second planet carrier 21 can be split-type structural, due to independent widget
Shaping is relatively easy, therefore the first row carrier 11 and the second planet carrier 21 are individually processed and can be simplified
Manufacturing process, raising machining accuracy.
Such as Fig. 1, Fig. 3, Fig. 5 and with reference to shown in Fig. 6-Fig. 7, the first row star-wheel 12 is arranged on the first row
In carrier 11, for example, each the first row star-wheel 12 is configured with a first planet wheel shaft 14, the first row
Two ends of spider gear shaft 14 are rotatably supported in the first row carrier 11 and the second planet carrier 21 respectively,
Two ends such as first planet wheel shaft 14 can be rotatably supported in the first row carrier 11 by bearing
In the axis hole corresponded to each other on the second planet carrier 21, now the first row star-wheel 12 is securable to corresponding
On one planet wheel spindle 14.Certainly, two ends of first planet wheel shaft 14 and the first row carrier 11 and the
Two planet carriers 12 can also be fixedly connected, and for example the two of first planet wheel shaft 14 end is respectively with
The axis hole corresponded to each other on one planet carrier 11 and the second planet carrier 12 is welded and fixed, now the first row star-wheel
12 are rotatably sleeved on corresponding first planet wheel shaft 14, and for example the first row star-wheel 12 can pass through axle
Hold and be rotatably mounted around on first planet wheel shaft 14.Thus, can be real by first planet wheel shaft 14
Now connect the purpose of the first row carrier 11 and the second planet carrier 21, so that the first row carrier 11 and the
Two planet carriers 21 keep synchronized, in the same direction motion (i.e. the first row carrier 11 and the second planet carrier 21 link).
And this connected mode is adopted, the first row carrier 11 and the second planet carrier 21 can well to the first row
Spider gear shaft 14 carries out supporting/fixing, and prevents first planet wheel shaft 14 to be disconnected with single planet carrier and lead
Differential mechanism 100 is caused to fail.
Shown in Figure 3, the first row star-wheel 12 is engaged with the first gear ring 13, concretely internal messing form,
I.e. the first row star-wheel 12 is located at the inner side of the first gear ring 13 and is engaged with the tooth on the first gear ring 13.First
Planetary gear 12 is preferably several, and circumferentially equidistantly distributed, on the inside of the first gear ring 13, for example, is made
For one kind preferred embodiment, the first row star-wheel 12 can be three, and two first of arbitrary neighborhood
Between planetary gear 12, interval angles are 120 °.
Similarly, such as Fig. 1, Fig. 3, Fig. 5 and with reference to shown in Fig. 6-Fig. 7, the second planetary gear 22 is arranged
On the second planet carrier 21, for example, each second planetary gear 22 is configured with second planet wheel spindle 24,
Two ends such as the second planet wheel spindle 24 can be rotatably supported in the first row carrier 11 by bearing
In the axis hole corresponded to each other on the second planet carrier 21, now the second planetary gear 22 is securable to corresponding
On two planet wheel spindles 24.Certainly, two ends of the second planet wheel spindle 24 and the first row carrier 11 and the
Two planet carriers 12 can also be fixedly connected, and two ends of such as the second planet wheel spindle 24 are respectively with
The axis hole corresponded to each other on one planet carrier 11 and the second planet carrier 12 is welded and fixed, now the second planetary gear
22 are rotatably sleeved on corresponding second planet wheel spindle 24, and such as the second planetary gear 22 can pass through axle
Hold and be rotatably mounted around on the second planet wheel spindle 24.Thus, can be real by the second planet wheel spindle 24
Now connect the purpose of the first row carrier 11 and the second planet carrier 21, so that the first row carrier 11 and the
Two planet carriers 21 keep synchronized, in the same direction motion.And adopt this connected mode, the first row carrier 11
Well the second planet wheel spindle 24 can be carried out supporting/fixing with the second planet carrier 21, prevent the second row
Spider gear shaft 24 is disconnected with single planet carrier and causes differential mechanism 100 to fail.
Additionally, in other embodiments of the present invention, in order to keep the first row carrier 11 and the second planet
Frame 21 can be moved at the same speed, in the same direction, it is also possible to by intermediate member by the first row carrier 11 and the second planet
Frame 21 is directly fixedly connected, that is to say, that the first row carrier 11 and the second planet carrier in above example
21 synchronized, in the same direction motion can be realizing by first planet wheel shaft 14 and the second planet wheel spindle 24
, and the embodiment directly can realize the first row carrier 11 and the second planet carrier by arranging intermediate member
21 synchronized, in the same direction motion, such as intermediate member may be located at the first row carrier 11 and the second planet carrier
It is welded and fixed between 21 and respectively with the first row carrier 11 and the second planet carrier 21.
Shown in Figure 3, the second planetary gear 22 is engaged with the second gear ring 23, concretely internal messing form,
I.e. the second planetary gear 22 is located at the inner side of the second gear ring 23 and is engaged with the tooth on the second gear ring 23.Second
Planetary gear 22 is preferably several, and circumferentially equidistantly distributed, on the inside of the second gear ring 23, for example, is made
For one kind preferred embodiment, the second planetary gear 22 can be three, and two second of arbitrary neighborhood
Between planetary gear 22, interval angles are 120 °.
, wherein it is desired to explanation, Fig. 3 is the plan view of the differential mechanism 100 according to the embodiment of the present invention
Sketch, which schematically illustrates meshing relation between the first row star-wheel 12 and the second planetary gear 22 with
And the meshing relation of the first row star-wheel 12 and the first gear ring 13, the second planetary gear 22 and the second gear ring 23,
As Fig. 3 is plan, and also show above-mentioned three kinds of meshing relations, therefore the relative position of each part
The relation of putting is only illustrative, and is not offered as or implies the practical spatial arrangement position of each part.
It is in multiple embodiments in the first row star-wheel 12 and the second planetary gear 22, it is preferable that Duo Ge
One planetary gear 12 and multiple second planetary gears 22 are respectively correspondingly engaged.For example, as shown in Figure 1 and Figure 4,
The first row star-wheel 12 and the second planetary gear 22 are three, then first the first row star-wheel 12 can with it is corresponding
First the second planetary gear 22 engage, second the first row star-wheel 12 can be with corresponding second the second row
Star-wheel 22 is engaged, and the 3rd the first row star-wheel 12 can be engaged with corresponding 3rd the second planetary gear 22,
So there is multigroup the first row star-wheel 12 being engaged with each other and the second planetary gear 22, transmit in differential mechanism 100
During power, power is transmitted between the first row star-wheel 12 and the second planetary gear 22 of multigroup engagement that corresponds to each other
More will stablize, it is reliable.
Additionally, another multiple embodiments are in the first row star-wheel 12 and the second planetary gear 22, it is multiple
22 circumferentially alternating arrangement of the first row star-wheel 12 and multiple second planetary gears, and the first row of arbitrary neighborhood
Star-wheel 12 and the second planetary gear 22 are engaged.That is, in this embodiment, multiple the first row star-wheels
12 and multiple second planetary gears 22 it is circumferentially alternating arrangement and form annular, each the first row star-wheel
12 two the second planetary gears 22 being all adjacent are engaged, similarly, each second planetary gear 22
Two the first row star-wheels 12 being adjacent are engaged.
Wherein, with reference to the embodiment of Fig. 3, the revolution axes O of the first row star-wheel 12 and the second planetary gear 22
Revolution axes O overlap, and revolution-radius (the i.e. planet of the first row star-wheel 12 and the second planetary gear 22
The distance of the central axis distance revolution axes O of wheel) it is identical.
Especially, as shown in Fig. 1-Fig. 2, Fig. 4-Fig. 7, the first row star-wheel 12 and the second planetary gear 22
Engagement coordinates.In other words, for the first row star-wheel 12, which is not only engaged with the first gear ring 13, together
When also engage with the second planetary gear 22, for the second planetary gear 22, its not only with the second gear ring 23
Engagement, while also engaging with the first row star-wheel 12.
As shown in figure 3, the first gear ring 13 and the second gear ring 23 may be constructed two power of differential mechanism 100
Output end, the first row carrier 11 and the second planet carrier 21 then correspond to the power intake for constituting differential mechanism 100
(for example, now the first row carrier 11 and the second planet carrier 21 can be rigidly connected), it is so outer
The power of portion's power source output can be input into from the first row carrier 11 and the second planet carrier 21, through differential mechanism
Can export from the first gear ring 13 and the second gear ring 23 respectively after 100 differential action.Now, as optional
Embodiment, the first row carrier 11 and the second planet carrier 21 can connect the power such as engine, motor
Source, the first gear ring 13 and the second gear ring 23 can be connected with corresponding semiaxis by gear transmission structure, semiaxis
It is connected with corresponding wheel again, but not limited to this.
Differential between wheel is applied to the differential mechanism 100 below, the first gear ring 13 and the composition of the second gear ring 23 are poor
The clutch end of fast device 100, the first row carrier 11 and the second planet carrier 21 constitute the dynamic of differential mechanism 100
The operation principle of differential mechanism 100 is briefly described as a example by power input, wherein now the first gear ring 13 can pass through
Such as gear transmission structure is connected with left half axle, and left half axle can be connected with left side wheel, and the second gear ring 23 can
It is connected with right axle shaft by such as gear transmission structure, right axle shaft can be connected with right side wheels, power source is as sent out
The power of motivation and/or motor output can be exported after the decelerating effect of main reducing gear to the first row carrier
11 and second planet carrier 21.If now vehicle traveling on smooth road surface and without turn, left side wheel and
Rotating speed is identical in theory for right side wheels, and now differential mechanism 100 does not play differential action, 11 He of the first row carrier
Second planet carrier, 21 synchronized, rotating in same direction, 23 synchronized, rotating in same direction of the first gear ring 13 and the second gear ring,
The first row star-wheel 12 and the second planetary gear 22 revolution, not rotations.If now vehicle is travelled irregular
Road surface or turn inside diameter traveling, rotating speed is different in theory with right side wheels for left side wheel, the first gear ring 13
It is also different with the rotating speed of the second gear ring 23, that is, there is speed discrepancy, now the first row star-wheel 12 and the second planet
Wheel 22 also rotation, the first row star-wheel 12 and second planetary gear 22 the revolution while cause the from the change of team
A speedup, another deceleration in one gear ring 13 and the second gear ring 23, the gear ring of speedup and the tooth for slowing down
The speed discrepancy of circle is the speed discrepancy of left and right wheelses, so as to realize differential action.
To sum up, differential mechanism 100 according to embodiments of the present invention utilizes planet differential principle, in structure and connection
Space availability ratio is higher in form, and axial dimension is less, and more advantageous in production and fit on.This
The version of sample can not only avoid the dimensional defects that angular wheel is axially and radially gone up, and additionally may be used
To better profit from the space that master subtracts driven gear inner hollow, preferably space availability ratio is realized, greatly
The arrangement of 100 assembly of differential mechanism and the restriction to weight size are facilitated, while also possessing higher
Reliability and more preferably transmission efficiency, be conducive to improving the reliability of power chain and it is excessively curved when power
Output fluency, this has more practicality for symmetrical expression bevel differential.
Below the meshing relation of first planet wheel 12 and the second planetary gear 22 is carried out in conjunction with specific embodiments in detail
It is thin to describe.
With reference to shown in Fig. 3, Fig. 5-Fig. 7, the first row star-wheel 12 and the second planetary gear 22 are in axial direction (Fig. 7
Middle left and right directions) on partly overlap, that is to say, that the first row star-wheel 12 and the second planetary gear 22 only portion
Divide and overlap, part in addition is staggered, the part that the first row star-wheel 12 and the second planetary gear 22 are overlapped can be each other
Engagement, and the part staggered then can be engaged with respective gear ring.
Specifically, with reference to shown in Fig. 6 and Fig. 7, the first row star-wheel 12 can include 151 He of the first teeth portion
Second teeth portion 152 (K2 dotted lines are as line of demarcation with Fig. 7), the second planetary gear 22 can include the 3rd tooth
Portion 153 and the 4th teeth portion 154 (K1 dotted lines are as line of demarcation with Fig. 7), the second teeth portion 152 and the 3rd tooth
Portion 153 constitutes lap, i.e. the second teeth portion 152 with the 3rd teeth portion 153 overlap corresponding in the axial direction and nibbles
Close and coordinate, the first teeth portion 151 and the 4th teeth portion 154 are staggered in the axial direction and engaged with each self-corresponding gear ring,
I.e. the first teeth portion 151 is engaged with the first gear ring 13, and the 4th teeth portion 154 is engaged with the second gear ring 23.
As a result, the axial dimension of differential mechanism 100 is compacter, the volume of differential mechanism 100 is more compact,
Installation, arrangement beneficial to differential mechanism 100.
Below the power intake and clutch end of differential mechanism 100 are carried out in conjunction with specific embodiments in detail
Description.
With reference to shown in Fig. 3, differential mechanism 100 also includes input shaft 31,32 and output shaft 41,42, input
Axle 31,32 is connected with the first row carrier 11 and the second planet carrier 21 respectively, such as in the example of fig. 3,
The left side of the first row carrier 11 is connected with an input shaft 31, and the right side of the second planet carrier 21 is connected with separately
One 32 input shaft.Output shaft 41,42 is connected with the first gear ring 13 and the second gear ring 23 respectively, is such as existed
In the example of Fig. 3, the left side of the first gear ring 13 is connected with an output shaft 41, the right side of the second gear ring 23
Side is connected with another output shaft 42.Input shaft 31,32,13 and of the 41,42, first gear ring of output shaft
Second gear ring 23 can be coaxially arranged.
Further, as shown in figure 3, input shaft includes：First input shaft 31 and the second input shaft 32, the
One input shaft 31 is connected with the first row carrier 11, and the second input shaft 32 is connected with the second planet carrier 21, defeated
Shaft can include：First output shaft 41 and the second output shaft 42, the first output shaft 41 and the first gear ring
13 are connected, and the second output shaft 42 is connected with the second gear ring 23, the first input shaft 31 and the second input shaft 32
And first output shaft 41 and the second output shaft 42 can be hollow shaft structure, wherein as preferred enforcement
Mode, the first output shaft 41 are coaxially set on the first input shaft 31, and the second output shaft 42 is coaxially
It is set on the second input shaft 32, thus 100 structure of differential mechanism is compacter, volume is less.
Some embodiments of the invention, the number of teeth of the first gear ring 13 are equal with the number of teeth of the second gear ring 23,
The number of teeth of the first row star-wheel 12 is equal with the number of teeth of the second planetary gear 22.
Some embodiments of the invention, the first row star-wheel 12 and the second planetary gear 22 are roller gear,
Conventional symmetrical formula bevel differential is compared, 100 structure of differential mechanism using roller gear is compacter, had
For body, in structure and type of attachment, space availability ratio is higher for which, and axial dimension is less, and in production
It is more advantageous with fit on.
The structure of the first gear ring 13 and the second gear ring 23 is described in detail with reference to specific embodiment.
In some embodiments of the invention, the first gear ring 13 and the second gear ring 23 are symmetrical structure, change speech
It, the first gear ring 13 and the second gear ring 23 are symmetrical arranged, and can so increase the versatility of gear ring, reduce
Cost.
Specifically, such as Fig. 1 and with reference to shown in Fig. 3, each in the first gear ring 13 and the second gear ring 23
Include：Body panels portion 161 and be arranged on body panels portion 161 periphery edge annular side wall portion 162,
Body panels portion 161 and annular side wall portion 162 can be integrally formed part.Annular side wall portion 162 it is interior
Multiple gear teeth are provided with wall, between body panels portion 161 and annular side wall portion 162, cavity is limited
A1, A2 (referring to Fig. 3), that is to say, that body panels portion 161 and the annular side wall portion of the first gear ring 13
Limit cavity A1 between 162, the body panels portion 161 and annular side wall portion 162 of the second gear ring 23 it
Between limit cavity A2, the cavity A2 directions in cavity A1 and the second gear ring 23 in the first gear ring 13
Each other to constitute installing space A (referring to Fig. 3), wherein the first row carrier 11 and the first row star-wheel 12 and
Second planet carrier 21 and the second planetary gear 22 are accommodated in installing space A, so that differential mechanism 100
Structure it is relatively more compact, take volume it is less, it is easier to arrange, while the first gear ring 13 and second
Gear ring 23 serves as the function of external shell, can protect and be accommodated in planet carrier therein and planetary gear, improves
Life-span.Additionally, the installing space A limited by the first gear ring 13 and the second gear ring 23 is comparatively closed,
Outside debris are not easily accessible in installing space A and affect moving component, it is ensured that differential mechanism 100 is stablized
Work.
With reference to shown in Fig. 2, the first gear ring 13 and the second gear ring 23 are provided with clearance D in the axial direction, also
It is to say, the first gear ring 13 is spaced apart from each other in the axial direction with the second gear ring 23, is not brought into close contact.For
For those skilled in the art, due to the first row star-wheel 12 and the width of the mate of the second planetary gear 22
Determine the width of the mate of the size of the clearance D, i.e. the first row star-wheel 12 and the second planetary gear 22
It is equal with the minimum of a value of the clearance D, therefore engaged by controlling the first row star-wheel 12 and the second planetary gear 22
Partial width, to those skilled in the art, can protected with the size of the indirect control clearance D
Card the first row star-wheel 12 and the second planetary gear 22 being capable of stable delivery power and the first row star-wheels 12 and the
On the premise of the service life of two planetary gears 22, can nibbling the first row star-wheel 12 and the second planetary gear 22
The relative narrower that the width of part is arranged is closed, the clearance D so can be effectively reduced so that differential mechanism 100
Axial dimension it is less, more compact, it is easy to arrange.
It should be noted that the clearance D of above-mentioned Fig. 3 (with reference to Fig. 1-Fig. 2) refers to the first gear ring 13
Annular side wall portion 162 and the second gear ring 23 the distance between annular side wall portion 162.For example, see figure
1st, the embodiment of Fig. 2 and Fig. 3, the first gear ring 13 and the second gear ring 23 all include body panels portion 161
With annular side wall portion 162.
And the present invention other embodiments in, such as referring to the embodiment of Fig. 8 and Fig. 9 in, the first gear ring
13 and second each in gear ring 23 still further comprise annular flange portion 163, annular flange portion 163
Extend from direction of the end of annular side wall portion 162 away from body panels portion 161, in the embodiment of Fig. 8
In, the internal diameter of annular flange portion 163 can be generally equalized with the external diameter of annular side wall portion 162, such convex annular
Edge 163 is diametrically equivalent to outwardly annular side wall portion 162 (i.e. the first gear ring 13 or the second tooth
The outer peripheral face of circle 23).And in the embodiment in fig. 9,163 external diameter of annular flange portion can be with annular side wall portion
162 external diameter is generally equalized, and the internal diameter of annular flange portion 163 can be more than the interior of annular side wall portion 162
Footpath, that is to say, that the thickness of annular flange portion 163 is more thinner than the thickness of annular side wall portion 162.
However, it is desirable to illustrate, in the gear ring structure of Fig. 1, Fig. 2 and Fig. 3 embodiment, two gear ring
Between clearance D refer to the gap between the annular side wall portion 162 of two gear rings.And Fig. 8 and Fig. 9 is implemented
Gear ring structure in example, the clearance D between two gear ring refer to the annular flange portion 163 of two gear rings
Between gap.
Some embodiments of the invention, as the first gear ring 13 and/or the second gear ring 23 can also enter
One step includes annular flange portion 163, when using this gear ring structure, due to depositing for annular flange portion 163
Comparing and can further reduce above-mentioned gap at least in part for there is no the gear ring of annular flange portion 163
D, and preferably, the clearance D can be reduced to zero, and such as the first gear ring 13 and the second gear ring 23 can be with
The gear ring structure shown in Fig. 8 is adopted simultaneously, now the annular flange portion 163 and the second tooth of the first gear ring 13
The end face of the annular flange portion 163 of circle 23 can be fit together substantially, so that clearance D is zero,
So installing space A is more closed, and outside debris are more difficult to enter in installing space A and affect moving component,
Ensure that the steady operation of differential mechanism 100.However, it is to be understood that explanation here is only schematic
, it is impossible to it is not understood as limiting one kind of the scope of the present invention, those skilled in the art are on having read
After stating content, can further reduce clearance D or even by between setting annular flange portion 163 is understood by
After gap D is decreased to zero technology design, can neatly select the type of gear ring to be combined, for example, ensure
Wherein at least one gear ring has annular flange portion 163, so further can reduce clearance D and even will
Clearance D is reduced into zero, so that installing space A is more closed.
Additionally, used as optional embodiment, the first gear ring 13 is identical with the radial dimension of the second gear ring 23,
And first each in gear ring 13 and the second gear ring 23 may each be and be integrally formed part.
Additionally, for technical scheme and/or technical characteristic described in the various embodiments described above, mutually not rushing
In the case of prominent, not conflicting, those skilled in the art can by the technical scheme in above-described embodiment and
/ or technical characteristic be mutually combined, the technical scheme after combination can be two or more technical sides
The superposition of case, the superposition of two or more technical characteristics or two or more technical schemes with
The superposition of technical characteristic, thus, it is possible to realize each technical scheme and/or technical characteristic phase each other functionally
Interaction and support, and the scheme after combining has more superior technique effect.
For example, those skilled in the art can be by 22 partly overlapping side of the first row star-wheel 12 and the second planetary gear
Case is combined for the scheme of platy structure with the first row carrier 11 and the second planet carrier 21, so effectively can be subtracted
The axial dimension of few differential mechanism 100, so that the volume of differential mechanism 100 is less.
And for example, those skilled in the art can be by 22 partly overlapping side of the first row star-wheel 12 and the second planetary gear
The scheme that case is accommodated in planetary gear and planet carrier in installing space is combined, and so effectively not only can be reduced
The axial dimension of differential mechanism 100, and planetary gear and planet carrier can also be made to be hidden in installing space and avoid
Sudden and violent leakage is damaged outside, so as to increased service life, reduces maintenance cost.
For another example, those skilled in the art can be by the revolution axis of the first row star-wheel 12 and second planetary gear 22
The scheme of revolution dead in line and the revolution-radius and the revolution-radius of the second planetary gear 22 of the first row star-wheel 12
Identical scheme is combined, so that the structure of differential mechanism 100 is compacter, it is less to take volume, more just
In arrangement.
However, it is to be understood that above-mentioned illustrating is only illustrative, for technical scheme and/
Or the combination of technical characteristic, those skilled in the art can carry out independent assortment in the case where not conflicting, and
And the scheme after combining possesses more superior technique effect, the present invention has only made above-mentioned multiple examples briefly
Bright, here is no longer exhaustive one by one.
Further it will be understood that the technical scheme after combinations thereof equally falls into protection scope of the present invention
Within.
Generally speaking, differential mechanism 100 according to embodiments of the present invention, can effective save space, and reduce
Weight, specifically, for this planet gear type differential mechanism 100 compares traditional bevel gear differential,
Weight can reduce about 30%, while axial dimension about reduces 70%, can not only reduce bearing
Frictional force, and the moment of torsion distribution of left and right wheelses can be realized, make the load of differential mechanism 100 be distributed more adduction
Reason, more preferably, additionally due to adopting roller gear, transmission efficiency is also increased 100 rigidity of differential mechanism,
Traditional Bevel Gear Drive efficiency of such as 6 class precisions and 7 class precisions about 0.97～0.98, and 6 grades are smart
The column gear transmission efficiency of degree and 7 class precisions about 0.98～0.99, in addition using roller gear, also drops
The low operating noise of differential mechanism 100, while reducing caloric value, substantially increases the longevity of differential mechanism 100
Life.In short, differential mechanism 100 according to embodiments of the present invention have lightweight, small size, low cost,
Many advantages, such as transmission efficiency, noise are low, heating is little, the life-span is high.
Simultaneously as differential mechanism 100 according to embodiments of the present invention can save sun gear, and save the sun
Wheel can have the advantage that：
Analyze from mechanics, cancel sun gear but differential is realized using gear ring, because the number of teeth of gear ring is compared
It is more that sun gear can be arranged, while pitch circle is larger (when pitch circle refers to meshed transmission gear at node
Tangent a pair of circles), such that it is able to distributed load more in a balanced way and torque is born, this is to differential mechanism 100
The raising in life-span is good.No sun gear, can preferably realize the lubrication of differential mechanism 100 simultaneously
And cooling, that is to say, that can be formed inside sun gear, therefore planetary gear cavity due to eliminating, and tooth
Circle engages the relation (sun gear belongs to external toothing with planetary gear) for being belonging to internal messing with planetary gear, in gear ring
Lubricating oil can be stored, thus cooling and lubricant effect can be greatly improved.Further, since cancel sun gear,
Parts are reduced, the quality and cost of differential mechanism 100 is reduced, makes differential mechanism 100 become more small-sized
Change, lightweight.
Power drive system 1000 according to embodiments of the present invention, the power drive system is briefly described below
1000 include the differential mechanism 100 in above-described embodiment.With reference to shown in Figure 10, power drive system 1000
Including differential mechanism 100, speed changer 200 and power source 300, the power of the output of power source 300 passes through speed change
Export after the chronotropic action of device 200 to differential mechanism 100, then the driving wheel of both sides is distributed to by differential mechanism 100.
It is understood that the power drive system 1000 shown in Figure 10 is only a kind of example, it is not to this
A kind of restriction of bright protection domain.However, it should be understood that power transmission according to embodiments of the present invention
Other construction such as engines, speed changer etc. of system have been prior art, and are those skilled in the art
It is known, therefore no longer repeat one by one here.
It is shown in Figure 11, vehicle 10000 according to embodiments of the present invention, the vehicle is briefly described below
10000 include the power drive system 1000 in above-described embodiment, and the power drive system 1000 can be used
In forerunner, naturally it is also possible to which, for rear-guard, the present invention is not particularly limited to this.It should be appreciated that root
According to the embodiment of the present invention vehicle other construction such as brakes, driving system, steering etc.
For prior art, and it is well known to those skilled in the art, therefore no longer repeats one by one here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
" specific example ", or " some examples " etc. description mean with reference to the embodiment or example describe it is concrete
Feature, structure, material or feature are contained at least one embodiment or example of the present invention.In this theory
In bright book, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.And,
The specific features of description, structure, material or feature can be in one or more any embodiment or examples
In combine in an appropriate manner.Additionally, those skilled in the art can be by the difference described in this specification
Embodiment or example are engaged and are combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment
It is exemplary, it is impossible to be interpreted as limitation of the present invention, one of ordinary skill in the art is the present invention's
In the range of above-described embodiment can be changed, change, replace and modification.
Claims (18)
1. a kind of differential mechanism, it is characterised in that include：
The first row carrier, the first row star-wheel and the first gear ring, the first row star-wheel are arranged on the first row
In carrier, the first row star-wheel is engaged with first gear ring；
Second planet carrier, the second planetary gear and the second gear ring, second planetary gear are arranged on second row
In carrier, second planetary gear is engaged with second gear ring and second planetary gear is also with described first
Planetary gear is engaged；
Wherein, first gear ring and second gear ring constitute two clutch ends of the differential mechanism,
The first row carrier and second planet carrier constitute the power intake of the differential mechanism.
2. differential mechanism according to claim 1, it is characterised in that the first row star-wheel with it is described
Second planetary gear is partly overlapped in the axial direction.
3. differential mechanism according to claim 2, it is characterised in that the first row star-wheel includes：
First teeth portion and the second teeth portion, second planetary gear include：3rd teeth portion and the 4th teeth portion, described first
Teeth portion is engaged with first gear ring, second teeth portion corresponding weight on the axial direction with the 3rd teeth portion
Folded and engagement coordinates, and the 4th teeth portion is engaged with second gear ring.
4. differential mechanism according to claim 1, it is characterised in that also include：
Input shaft and output shaft, the input shaft respectively with the first row carrier and the second planet carrier phase
Even, the output shaft is connected with first gear ring and second gear ring respectively, the input shaft, described
Output shaft is coaxially arranged.
5. differential mechanism according to claim 4, it is characterised in that the input shaft includes：First
Input shaft and the second input shaft, first input shaft are connected with the first row carrier, second input
Axle is connected with second planet carrier, and the output shaft includes：First output shaft and the second output shaft, it is described
First output shaft is connected with first gear ring, and second output shaft is connected with second gear ring, described
First output shaft is coaxially set on first input shaft, and second output shaft is coaxially set in institute
State on the second input shaft.
6. differential mechanism according to claim 1, it is characterised in that the first row carrier and described
Second planet carrier is configured to the platy structure of circle, and the first row carrier and second planet carrier are
Split-type structural.
7. differential mechanism according to claim 1, it is characterised in that the first row star-wheel is multiple
And it is circumferentially spaced, second planetary gear for multiple and circumferentially spaced, multiple described first
Planetary gear and multiple second planetary gears are respectively correspondingly engaged.
8. differential mechanism according to claim 1, it is characterised in that the first row star-wheel and second
Planetary gear is roller gear.
9. differential mechanism according to claim 1, it is characterised in that first gear ring and described
Two gear rings are symmetrical arranged.
10. differential mechanism according to claim 9, it is characterised in that first gear ring and described
Each in two gear rings includes：
Body panels portion and be arranged on the body panels portion periphery edge annular side wall portion, the annular side
Multiple teeth are provided with the internal face of wall portion, are limited between the body panels portion and the annular side wall portion
The cavity of cavity, the cavity of first gear ring and second gear ring is toward each other constituting installing space.
11. differential mechanisms according to claim 10, it is characterised in that the first row carrier and institute
State the first row star-wheel and second planet carrier and second planetary gear is accommodated in the installing space.
12. differential mechanisms according to claim 1, it is characterised in that first gear ring and described
Two gear rings are provided with gap in the axial direction.
13. differential mechanisms according to claim 1, it is characterised in that each described the first row star-wheel is matched somebody with somebody
Be equipped with a first planet wheel shaft, two ends of the first planet wheel shaft respectively with the first row carrier
It is connected with second planet carrier, each described second planetary gear is configured with second planet wheel spindle, described
Two ends of the second planet wheel spindle are connected with the first row carrier and second planet carrier respectively.
14. differential mechanisms according to claim 1, it is characterised in that the revolution of the first row star-wheel
The revolution dead in line of axis and second planetary gear.
15. differential mechanisms according to claim 1, it is characterised in that the revolution of the first row star-wheel
Radius is identical with the revolution-radius of second planetary gear.
16. differential mechanisms according to claim 1, it is characterised in that the first row star-wheel and described
Second planetary gear is multiple, and multiple the first row star-wheels are circumferentially alternating with multiple second planetary gears
Arrangement, and the first row star-wheel and the second planetary gear engagement of arbitrary neighborhood.
17. a kind of power drive systems, it is characterised in that include according to any one of claim 1-16
Described differential mechanism.
18. a kind of vehicles, it is characterised in that including power drive system according to claim 17.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623387.0A CN106555845B (en) | 2015-09-25 | 2015-09-25 | Differential mechanism, power drive system and vehicle |
| PCT/CN2016/098895 WO2017050158A1 (en) | 2015-09-25 | 2016-09-13 | Differential, power transmission system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623387.0A CN106555845B (en) | 2015-09-25 | 2015-09-25 | Differential mechanism, power drive system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106555845A true CN106555845A (en) | 2017-04-05 |
| CN106555845B CN106555845B (en) | 2019-05-17 |
Family
ID=58385857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623387.0A Active CN106555845B (en) | 2015-09-25 | 2015-09-25 | Differential mechanism, power drive system and vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106555845B (en) |
| WO (1) | WO2017050158A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212158A (en) * | 2021-06-07 | 2021-08-06 | 银川威力传动技术股份有限公司 | Coaxial planetary power transmission axle and new energy automobile using same |
| CN114321318A (en) * | 2020-09-30 | 2022-04-12 | 比亚迪股份有限公司 | Multifunctional differential and automobile |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488734A (en) * | 2017-09-13 | 2019-03-19 | 三多乐精密注塑(深圳)有限公司 | A kind of planetary gear transmission mechanism |
| CN113048213A (en) * | 2021-02-05 | 2021-06-29 | 东风越野车有限公司 | Transfer case planetary gear interaxial differential and gear planet carrier thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060831U (en) * | 1989-11-16 | 1990-08-22 | 河北省冶金设计研究院 | Inter-tooth planet differential gearing |
| JPH09280340A (en) * | 1996-04-17 | 1997-10-28 | Kenji Mimura | Differential device |
| CN2420167Y (en) * | 2000-04-29 | 2001-02-21 | 王庆堂 | Planetary differentical stepless speed changing mechanism |
| DE102012207498A1 (en) * | 2012-05-07 | 2013-11-07 | Schaeffler Technologies AG & Co. KG | Spur gear differential unit, has supporting element provided at inner space of respective ring gear, and spin structure that carriers or supports over which spur gear pin front-sided lining up is radially supported at supporting element |
| CN104276026A (en) * | 2014-01-30 | 2015-01-14 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle comprising same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201009224A (en) * | 2008-08-26 | 2010-03-01 | Kuo-Ming Lee | Limited slip differential (LSD) with cylinder gear set |
| DE102012216404A1 (en) * | 2012-09-14 | 2014-03-20 | Schaeffler Technologies AG & Co. KG | Spur gear differential for use as distributor gear for distributing drive power between front and rear axles of vehicle, has axles whose angular distances are defined on pitch circle so that integral multiple of angle value represents value |
| DE102012216413A1 (en) * | 2012-09-14 | 2014-03-20 | Schaeffler Technologies AG & Co. KG | Gear wheel structure for self-statically gear box device of differential spur gear, has two gear units that are arranged so that circumferential displacement of toothed rings is rotationally fixed on pin external teeth of post unit |
| DE102012219212A1 (en) * | 2012-10-22 | 2014-04-24 | Schaeffler Technologies Gmbh & Co. Kg | Spur gear differential for use as e.g. distribution, branching, and axle differential gear box in motor car, has coupling and circulation planetary parts formed such that cladding circle is smaller than addendum circle of teeth |
-
2015
- 2015-09-25 CN CN201510623387.0A patent/CN106555845B/en active Active
-
2016
- 2016-09-13 WO PCT/CN2016/098895 patent/WO2017050158A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060831U (en) * | 1989-11-16 | 1990-08-22 | 河北省冶金设计研究院 | Inter-tooth planet differential gearing |
| JPH09280340A (en) * | 1996-04-17 | 1997-10-28 | Kenji Mimura | Differential device |
| CN2420167Y (en) * | 2000-04-29 | 2001-02-21 | 王庆堂 | Planetary differentical stepless speed changing mechanism |
| DE102012207498A1 (en) * | 2012-05-07 | 2013-11-07 | Schaeffler Technologies AG & Co. KG | Spur gear differential unit, has supporting element provided at inner space of respective ring gear, and spin structure that carriers or supports over which spur gear pin front-sided lining up is radially supported at supporting element |
| CN104276026A (en) * | 2014-01-30 | 2015-01-14 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle comprising same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321318A (en) * | 2020-09-30 | 2022-04-12 | 比亚迪股份有限公司 | Multifunctional differential and automobile |
| CN114321318B (en) * | 2020-09-30 | 2024-03-19 | 比亚迪股份有限公司 | Multifunctional differential mechanism and automobile |
| CN113212158A (en) * | 2021-06-07 | 2021-08-06 | 银川威力传动技术股份有限公司 | Coaxial planetary power transmission axle and new energy automobile using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106555845B (en) | 2019-05-17 |
| WO2017050158A1 (en) | 2017-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106555851A (en) | Differential mechanism, power drive system and vehicle | |
| CN106555844A (en) | Power-driven system and the vehicle with which | |
| CN106553526A (en) | Power-driven system and the vehicle with which | |
| CN106553537B (en) | Power-driven system and vehicle with it | |
| CN106555845A (en) | Differential mechanism, power drive system and vehicle | |
| CN106553527B (en) | Differential mechanism, power drive system and vehicle | |
| CN106555858B (en) | Power-driven system and vehicle with it | |
| CN106553535A (en) | Power-driven system and the vehicle with which | |
| CN106555854B (en) | Power-driven system and vehicle with it | |
| CN106553532B (en) | Power-driven system and vehicle with it | |
| CN106553530B (en) | Power-driven system and vehicle with it | |
| CN106553528A (en) | Power-driven system and the vehicle with which | |
| CN106553536A (en) | Power-driven system and the vehicle with which | |
| CN106555856B (en) | Power-driven system and vehicle with it | |
| CN106553538A (en) | Power-driven system and the vehicle with which | |
| CN106555849A (en) | Power-driven system and the vehicle with which | |
| CN106555855A (en) | Differential mechanism, power drive system and vehicle | |
| CN106555853A (en) | Power-driven system and the vehicle with which | |
| CN106553529A (en) | Differential mechanism, power drive system and vehicle | |
| CN106555857B (en) | Power-driven system and vehicle with it | |
| CN106555846A (en) | Power-driven system and the vehicle with which | |
| CN106555860A (en) | Differential mechanism, power drive system and vehicle | |
| CN108237907A (en) | Power-driven system and vehicle | |
| CN106553533B (en) | Power-driven system and vehicle with it | |
| CN106555859A (en) | Power-driven system and the vehicle with which |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |