CN106555855A - Differential mechanism, power drive system and vehicle - Google Patents
Differential mechanism, power drive system and vehicle Download PDFInfo
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- CN106555855A CN106555855A CN201510624687.0A CN201510624687A CN106555855A CN 106555855 A CN106555855 A CN 106555855A CN 201510624687 A CN201510624687 A CN 201510624687A CN 106555855 A CN106555855 A CN 106555855A
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- wheel
- gear
- gear ring
- row
- differential mechanism
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- 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
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of differential mechanism, power drive system and vehicle.Differential mechanism is made up of the first row carrier, the first row star-wheel and the first gear ring and the second planet carrier, the second planetary gear and the second gear ring, input unit, the first row star-wheel is arranged in the first row carrier, the first row star-wheel is engaged with the first gear ring, second planetary gear is arranged on the second planet carrier, 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 two clutch ends of differential mechanism；Input unit, input unit, the first row carrier and the second planet carrier be coaxially arranged and input unit and the first row carrier and the linkage of the second planet carrier.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, by the first row carrier, the first row star-wheel, the first gear ring,
Two planet carriers, the second planetary gear, the second gear ring and input unit composition, the first row star-wheel and described first
Planet carrier is connected, and the first row star-wheel is engaged with first gear ring, second planetary gear and described the
Two planet carriers be connected, second planetary gear engage with second gear ring and second planetary gear also with institute
The engagement of the first row star-wheel is stated, wherein first gear ring and second gear ring constitute two of the differential mechanism
Clutch end, the input unit, the first row carrier and second planet carrier are coaxially arranged and described
Input unit is linked with the first row carrier and second planet carrier respectively.
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, 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, the cavity of 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, the input unit are configured to input end gear.
Some embodiments of the invention, the input end gear are configured to annular and are set in described first
Gear ring and the second gear ring outer surface.
Some embodiments of the invention, between being provided between first gear ring and second gear ring
Gap, the input end gear surround and cover the gap.
Some embodiments of the invention, retarder driven gearwheel based on the input end gear.
Some embodiments of the invention, the first row carrier have the first connecting bracket, described second
Planet carrier have the second connecting bracket, first connecting bracket be used for connect the first row carrier with it is described
Input unit, second connecting bracket are used to connect second planet carrier and the input unit, wherein described
Each in first connecting bracket and second connecting bracket includes：
Central body portion and extension arm, the extension arm are multiple and are arranged on the central body portion
On outer peripheral face, arm is centered on the central body portion and radially distributes for the plurality of extension, wherein
The arm that extends is for being connected with the input unit.
Some embodiments of the invention, the first row star-wheel and described second of each group of correspondence engagement
Planetary gear is located between the extension arm of adjacent two.
Some embodiments of the invention, each described the first row star-wheel have a first planet wheel shaft,
Two ends of the first planet wheel shaft are connected with the first row carrier and second planet carrier respectively,
Each described second planetary gear has second planet wheel spindle, two ends part of second planet wheel spindle
It is not connected with the first row carrier and second planet carrier.
Some embodiments of the invention, the revolution-radius of the first row star-wheel and second planetary gear
Revolution-radius it is identical.
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 revolution axis of the first row star-wheel and second planetary gear
Revolution dead in line.
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 explosive view at another visual angle of differential mechanism according to embodiments of the present invention；
Fig. 3 is the axonometric chart of differential mechanism according to embodiments of the present invention；
Fig. 4 is the plan view sketch of differential mechanism according to embodiments of the present invention；
Fig. 5 is the axonometric chart of differential mechanism according to embodiments of the present invention, the second planet carrier and not shown in which
Two gear rings etc.；
Fig. 6 is the mesh schematic representation of the first row star-wheel and the second planetary gear；
Fig. 7 is the theory of engagement sketch of the first row star-wheel and the second planetary gear；
Fig. 8 is the first gear ring or the axonometric chart of the second gear ring according to another embodiment of the invention；
Fig. 9 is the axonometric chart 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-Fig. 7,
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 velocity roll, to ensure two side drive wheel and ground catch cropping PURE ROLLING.
As shown in figure 1, differential mechanism 100 according to embodiments of the present invention by input unit 3, the first row carrier 11,
The first row star-wheel 12 and the first gear ring 13 and the second planet carrier 21, the second planetary gear 22 and the second gear ring
23 compositions.
With reference to the embodiment of Fig. 1 and Fig. 2, 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
Molding 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. 2 and with reference to shown in Fig. 6, the first row star-wheel 12 is arranged in the first row carrier 11,
For example, each the first row star-wheel 12 have a first planet wheel shaft 14, the two of first planet wheel shaft 14
Individual end is rotatably supported in the first row carrier 11 and the second planet carrier 21 respectively, such as the first row star-wheel
Two ends of axle 14 can be rotatably supported in the first row carrier 11 and the second planet carrier by bearing
In the axis hole corresponded to each other on 21, now the first row star-wheel 12 is securable to corresponding first planet wheel shaft 14
On.Certainly, two ends of first planet wheel shaft 14 and the first row carrier 11 and the second planet carrier 21
Can be fixedly connected, for example the two of first planet wheel shaft 14 end respectively with the first row carrier 11
It is welded and fixed with the axis hole corresponded to each other on the second planet carrier 21, now the first row star-wheel 12 rotationally covers
It is located on corresponding first planet wheel shaft 14, for example the first row star-wheel 12 can be rotationally covered by bearing
It is mounted on first planet wheel shaft 14.Thus, can realize connecting first planet by first planet wheel shaft 14
The purpose of frame 11 and the second planet carrier 21, so that the first row carrier 11 and the second planet carrier 21 keep
At the same speed, motion (i.e. the first row carrier 11 and the second planet carrier 21 link) in the same direction, and adopt this company
Mode is connect, the first row carrier 11 and the second planet carrier 21 can be carried out to first planet wheel shaft 14 well
Supporting/fixed, prevents first planet wheel shaft 14 to be disconnected with single planet carrier and cause differential mechanism 100
Failure.Referring to shown in Fig. 1 and Fig. 2, the first row star-wheel 12 is engaged with the first gear ring 13, concretely interior
Mesh form, i.e. the first row star-wheel 12 be located at the first gear ring 13 inner side and with the first gear ring 13 on tooth
Engagement.The first row star-wheel 12 is preferably several, and circumferentially equidistantly distributed on the inside of the first gear ring 13,
For example, as one kind preferred embodiment, the first row star-wheel 12 can be three, and arbitrary neighborhood
Between two the first row star-wheels 12, interval angles are 120 °.
Such as Fig. 1-Fig. 2 and with reference to shown in Fig. 6, the second planetary gear 22 is arranged on the second planet carrier 21,
For example, each second planetary gear 22 has second planet wheel spindle 24, such as the second planet wheel spindle 24
Two ends can be rotatably supported in by bearing on the first row carrier 11 and the second planet carrier 21 each other
In corresponding axis hole, now the second planetary gear 22 is securable on corresponding second planet wheel spindle 24.Certainly,
Two ends of the second planet wheel spindle 24 can also be fixed with the first row carrier 11 and the second planet carrier 21
Connection, two ends of such as the second planet wheel spindle 24 respectively with the first row carrier 11 and the second planet carrier
The axis hole corresponded to each other on 21 is welded and fixed, and now the second planetary gear 22 is rotatably sleeved on corresponding
On two planet wheel spindles 24, for example the second planetary gear 22 can be rotatably mounted around the second planet by bearing
On wheel shaft 24.Thus, can realize connecting the first row carrier 11 and second by the second planet wheel spindle 24
The purpose of planet carrier 21, so that the first row carrier 11 and the second planet carrier 21 keep synchronized, in the same direction
Motion, and this connected mode is adopted, the first row carrier 11 and the second planet carrier 21 can be right well
Second planet wheel spindle 24 carries out supporting/fixing, and prevents the second planet wheel spindle 24 from departing from single planet carrier and connects
Connect and cause 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, not only can be using above by first planet wheel shaft 14 and/or
The mode of two planet wheel spindles 24 is realized, while intermediate connection structure 6 can also be passed through by the first row carrier 11
Directly it is fixedly connected with the second planet carrier 21, or while is connected with intermediate connection structure 6 using planet wheel spindle
The first row carrier 11 and the second planet carrier 21 are connect, and will be under with regard to the specific configuration of intermediate connection structure 6
Face describes in detail.
Referring to shown in Fig. 1 and Fig. 2, the second planetary gear 22 is engaged with the second gear ring 23, concretely interior to nibble
Conjunction form, i.e. the second planetary gear 22 are located at the inner side of the second gear ring 23 and are nibbled with the tooth on the second gear ring 23
Close.Second planetary gear 22 is preferably several, and circumferentially equidistantly distributed on the inside of the second gear ring 23,
For example, as one kind preferred embodiment, the second planetary gear 22 can be three, and arbitrary neighborhood
Between two the second planetary gears 22, interval angles are 120 °.
, wherein it is desired to explanation, Fig. 4 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. 4 is plane graph, 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, Figure 2 and figure
Shown in 5, the first row star-wheel 12 and the second planetary gear 22 are three, then first the first row star-wheel 12
Can engage with corresponding first the second planetary gear 22, second the first row star-wheel 12 can be with corresponding second
Individual second planetary gear 22 is engaged, and the 3rd the first row star-wheel 12 can be with corresponding 3rd the second planetary gear
, so there is multigroup the first row star-wheel 12 being engaged with each other and the second planetary gear 22, in differential mechanism in 22 engagements
During 100 transmission power, the first row star-wheel 12 and second planetary gear 22 of the power in multigroup engagement that corresponds to each other
Between transmission more will stablize, it is reliable.
Wherein, with reference to the embodiment of Fig. 4, 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 Figure 1-Figure 4, the first gear ring 13 and the second gear ring 23 may be constructed the two of differential mechanism 100
Individual clutch end, the first row carrier 11 and the second planet carrier 21 then correspond to the power for constituting differential mechanism 100
Input, for example in one embodiment of the invention, the first row carrier 11, the second planet carrier 21 with it is defeated
Enter portion 3 to link, in other words, the kinestate of input unit 3, the first row carrier 11 and the second planet carrier 21
It is identical (i.e. synchronized, motion in the same direction).As preferred embodiment, input unit 3, first planet
Frame 11 and the second planet carrier 21 are coaxially arranged.The power of so external power supply output can be from input unit 3
Input, can be exported from the first gear ring 13 and the second gear ring 23 after the differential action of differential mechanism 100 respectively.
Now, as optional embodiment, input unit 3 can connect the power sources such as electromotor, motor, the
One gear ring 13 and the second gear ring 23 can be connected with corresponding semiaxis by gear transmission structure, semiaxis again with it is right
The wheel answered is connected, but not limited to this.
It is applied between wheel, as a example by differential, briefly describe the work original of differential mechanism 100 by the differential mechanism 100 below
Reason, now the first gear ring 13 can be connected with left half axle by such as gear transmission structure, and left half axle can be with a left side
Side wheel is connected, and the second gear ring 23 can be connected with right axle shaft by such as gear transmission structure, and right axle shaft can
It is connected with right side wheels, the power of power source such as electromotor and/or motor output can pass through subtracting for main reducing gear
Export after speed effect to input unit 3, input unit 3 drives the first row carrier 11 and the second planet carrier 21 synchronous
Rotation.If now, on smooth road surface and without turning, left side wheel and right side wheels are in theory for vehicle traveling
Rotating speed is identical, and now differential mechanism 100 does not play differential action, the first row carrier 11 and the second planet carrier 21
At the same speed, 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 revolution of the second planetary gear 22, not rotations.If now vehicle is travelled in irregular road surface or car
Turning driving, rotating speed is different in theory with right side wheels for left side wheel, the first gear ring 13 and the second gear ring
23 rotating speed is also different, that is, there is speed discrepancy, and now the first row star-wheel 12 and the second planetary gear 22 are in public affairs
Certainly the change of team of also rotation while turning, the first row star-wheel 12 and the second planetary gear 22 causes the first gear ring 13
With a speedup in the second gear ring 23, another deceleration, the gear ring of speedup and the rotating speed of the gear ring of deceleration
Difference 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.
Reference picture 1- Fig. 2 and Fig. 6-Fig. 7 is combined, the first row star-wheel 12 and the second planetary gear 22 are in axial direction
Partly overlap on (left and right directions in Fig. 6-Fig. 7), that is to say, that the first row star-wheel 12 and the second planet
22, wheel overlaps, and part in addition is staggered, and the first row star-wheel 12 and the second planetary gear 22 are overlapped
Part can be engaged with each other, 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 demarcation line 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 demarcation line 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.
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, as Figure 1-Figure 2, each in the first gear ring 13 and the second gear ring 23 is wrapped
Include：Body panels portion 161 and the annular side wall portion 162 on the periphery edge for being arranged on body panels portion 161, lead
Body flat part 161 and annular side wall portion 162 can be integrally formed part.The inwall of annular side wall portion 162
Multiple gear teeth are provided with face, limit between body panels portion 161 and annular side wall portion 162 cavity A1,
A2, i.e., limit cavity A1 between the body panels portion 161 of the first gear ring 13 and annular side wall portion 162,
Cavity A2 (such as Fig. 4) is limited between the body panels portion 161 of the second gear ring 23 and annular side wall portion 162,
The cavity A2 in cavity A1 and the second gear ring 23 in first gear ring 13 is toward each other constituting installing space
A (such as Fig. 4), wherein the first row carrier 11 and the first row star-wheel 12 and the second planet carrier 21 and second
Planetary gear 22 is accommodated in installing space A, so that the structure of differential mechanism 100 is relatively more compact,
Take volume less, it is easier to arrange, while the first gear ring 13 and the second gear ring 23 serve as external shell
Function, can protect and be accommodated in planet carrier therein and planetary gear, improve the life-span.Additionally, the first gear ring
13 and second the installing space A that limited of gear ring 23 comparatively close, outside debris are not easily accessible
Moving component is affected in installing space A, it is ensured that the steady operation of differential mechanism 100.
Below the specific configuration of input unit 3 is described in detail in conjunction with specific embodiments.
Some embodiments of the invention, input unit 3 are configured to input end gear.Further, as schemed
Shown in 1- Fig. 3, input end gear 3 is configured to annular (tooth of the input end gear 3 is formed on outer peripheral face)
And it is set in the outer surface of the first gear ring 13 and the second gear ring 23, it is to be understood that input end gear
3 internal diameter size can be more than the external diameter of the first gear ring 13 and the second gear ring 23, so by by input
Gear 3 is enclosed within the outside of the first gear ring 13 and the second gear ring 23 so that positioned at the part of two gear ring inners
It is not exposed from coming, protects the part of gear ring inner.
With reference to shown in Fig. 4, 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 size of the clearance D (in addition, the thickness for extending arm 63 can also be determined to a certain extent
The clearance D, this will be described hereinafter, and first only be determined with the width of the mate of two planetary gears 22 here
Illustrate as a example by fixed gap D), i.e. the width of the mate of the first row star-wheel 12 and the second planetary gear 22 can
With equal with the minima of the clearance D, therefore by controlling the first row star-wheel 12 and the second planetary gear 22
The width of mate, can with the size of the indirect control clearance D, to those skilled in the art,
Ensureing that 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
On the premise of the service life of the second planetary gear 22, can be by the first row star-wheel 12 and the second planetary gear 22
Mate width arrange relative narrower, so can effectively reduce the clearance D so that differential mechanism
100 axial dimension is less, more compact, it is easy to arrange.
Further, input end gear 3 surround and covers the clearance D.As a result, the envelope of installing space A
More preferably, outside debris are more difficult to enter in installing space A and affect moving component closing property, further ensure
The steady operation of differential mechanism 100, at the same at least can also save to a certain extent differential mechanism axial space and
Radial space.
Additionally, conduct is preferred embodiment, retarder driven gearwheel based on input end gear 3.Thus,
The space that master subtracts driven gear inner hollow can be better profited from, preferably space availability ratio is realized, greatly
Facilitate the arrangement of 100 assembly of differential mechanism and the restriction to weight size.
It should be noted that the clearance D of above-mentioned Fig. 4 (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. 4, 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. 4 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.
For the clearance D, between the engaging width of two planetary gears mentioned above can be determined to a certain extent
The size of gap D, at the same time, the thickness for extending arm 63 also determines clearance D to a certain extent
Size.Specifically, when the engaging width of two planetary gears is equal with the thickness for extending arm 63, should
The big I of clearance D is generally equalized with the thickness of the engaging width of two planetary gears or extension arm 63.
And extend arm 63 thickness more than two planetary gears engaging width when, the big I of the clearance D with
The thickness for extending arm 63 is generally equalized.And extending the engagement of the thickness less than two planetary gears of arm 63
During width, the big I of the clearance D is generally equalized with the engaging width of two planetary gears.
Intermediate connection structure 6 is described in detail with reference to specific embodiment.
As depicted in figs. 1 and 2, the effect of intermediate connection structure 6 be for by the first row carrier 11,
Two planet carriers 21 are connected to input unit 3 so that the first row carrier 11, the second planet carrier 21 and input unit 3
Being capable of coaxial linkage.In addition, intermediate connection structure 6 can also respectively with the first row carrier 11, the second row
Carrier 21 is fixedly connected, and the input unit 3 is fixed on the outer surface of intermediate connection structure 6, equally may be used
So that the first row carrier 11, the second planet carrier 21 and input unit 3 being capable of coaxial linkages.
For the specific configuration of intermediate connection structure 6, The present invention gives a kind of feasible embodiment, when
So this intermediate connection structure 6 for being not offered as or implying the present invention can only adopt the structure in the embodiment.
That is, the intermediate connection structure 6 that will be introduced in example below is only a kind of feasible embodiment, not
It is that the one kind to the scope of the present invention is limited.
Specifically, referring to shown in Fig. 1 and Fig. 2, the input unit 3 in the embodiment is annular input end tooth
Wheel 3, the first row carrier 11 has the first connecting bracket 61 and the second planet carrier 21 is with the second connection
Frame 62, the first connecting bracket 61 are used to connect the first row carrier 11 and input unit 3 (i.e. input end gear 3),
Second connecting bracket 62 is used for the second planet carrier of connection 21 and input unit 3 (i.e. input end gear 3), wherein
First connecting bracket 61 and the structure of the second connecting bracket 62 with identical, and can may comprise each：
Central body portion 64 and extension arm 63 (with reference to Fig. 5), wherein the center sheet of the first connecting bracket 61
The central body portion of body portion and the second connecting bracket 62 can be with into a single integrated structure, to be formed in shared one
Heart body 64, but not limited to this.
With reference to shown in Fig. 5, on the outer peripheral face for extending arm 63 for multiple and centrally disposed body 64,
Multiple extension arms 63 and central body portion 64 can be integrative-structures, but not limited to this.Multiple adjutages
Portion 63 is centered on central body portion 64 and substantially radially distributes, in the example of hgure 5, adjutage
Portion 63 is three and equidistantly distributed.Extend arm 63 for being connected with input unit 3, specifically, extend
The outer end of arm 63 is may extend at the inner peripheral surface of for example annular main reducing gear driven gear of input unit 3 simultaneously
Fix with inner circumferential surface.
The first row star-wheel 12 of each group of correspondence engagement and the second planetary gear 22 are located at two adjacent adjutages
Between portion 63, such as in the example of hgure 5, it is three to extend arm 63, and this three extend arm 63 and limit
Make three accommodating chambers (to extend arm 63 per adjacent two to limit with the inner peripheral surface of input end gear 3
One accommodating chamber), each accommodates the first row star-wheel 12 and the second planet that intracavity can arrange a pair of meshing
Wheel 22, so that the overall structure of differential mechanism 100 is compacter, while so that the weight of differential mechanism 100
The heart is closer or is located at center, substantially improves when differential mechanism 100 runs up due to eccentric or eccentric
It is larger to cause 100 fluctuation of service of differential mechanism, life-span low situation.
In a further embodiment, as shown in Figure 3 and Figure 4, the first gear ring 13 coaxially can be connected with
First output shaft 41, the second gear ring 23 can coaxially be connected with the second output shaft 42.Such as Fig. 2 and Fig. 4
Shown, while the first row carrier 11 is coaxially connected with the first row carrier axle 111, the second planet carrier 21 is same
It is connected with the second planet carrier shaft 211, the first output shaft 41 can be hollow axle and coaxially can be enclosed within axle
On the first row carrier axle 111, the second output shaft 42 can equally be hollow axle and coaxially be set in the second row
On carrier axle 211.Wherein, the central body portion 64 of the first row carrier axle 111 and the first connecting bracket 61
Coaxial fixed, the second planet carrier shaft 211 can be coaxial with the central body portion 64 of the second connecting bracket 62 fixed,
But not limited to this.
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.
For another example, input unit 3 can be configured to annular input end gear and be enclosed within the first tooth by those skilled in the art
The side of retarder driven gearwheel based on the scheme and input end gear 3 of the outer peripheral face of circle 13 and the second gear ring 23
Case is combined, and thus differential mechanism 100 can better profit from the space that master subtracts driven gear inner hollow,
Preferably space availability ratio is realized, the arrangement of differential assembly is very easy to and to weight size
Restriction, and by by input unit 3 be directly disposed as annular main reducing gear driven gear, without independent
Main reducing gear driven gear is set again, the parts of whole power-driven system thus not only can be reduced, is dropped
Low cost, but also make the structure of differential mechanism 100 more compact, compact.
For another example, input unit 3 can be configured to annular input end gear and input end gear by those skilled in the art
On the one hand the 3 scheme combinations for surrounding and covering gap, so cause the structure relative compact of differential mechanism 100,
And gap is covered by input end gear 3, moreover it is possible to the installing space for limiting the housing of two planet circular systems
Relatively more closed, inside the installing space that adequately protects part, improves its service life.
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, variator 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 electromotors, variator 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 (20)
1. a kind of differential mechanism, it is characterised in that by the first row carrier, the first row star-wheel, the first gear ring,
Second planet carrier, the second planetary gear, the second gear ring and input unit composition, the first row star-wheel and described the
One planet carrier be connected, the first row star-wheel is engaged with first gear ring, second planetary gear with it is described
Second planet carrier be connected, second planetary gear engage with second gear ring and second planetary gear also with
The first row star-wheel engagement, wherein first gear ring and second gear ring constitute the two of the differential mechanism
Individual clutch end, the input unit, the first row carrier and second planet carrier be coaxially arranged and institute
State input unit to link with the first row carrier and second planet carrier respectively.
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 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.
5. differential mechanism according to claim 1, it is characterised in that the first row star-wheel and second
Planetary gear is roller gear.
6. differential mechanism according to claim 1, it is characterised in that first gear ring and described
Two gear rings are symmetrical arranged.
7. differential mechanism according to claim 6, 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.
8. differential mechanism according to claim 7, it is characterised in that the first row carrier and described
The first row star-wheel and second planet carrier and second planetary gear are accommodated in the installing space.
9. differential mechanism according to claim 1, it is characterised in that the input unit is configured to input
End tooth wheel.
10. differential mechanism according to claim 9, it is characterised in that the input end gear is configured to
Annular and be set in first gear ring and the second gear ring outer surface.
11. differential mechanisms according to claim 9, it is characterised in that first gear ring and described
Gap is provided between two gear rings, the input end gear surround and covers the gap.
12. differential mechanisms according to claim 9, it is characterised in that subtract based on the input end gear
Fast device driven gear.
13. differential mechanisms according to claim 1, it is characterised in that the first row carrier has the
One connecting bracket, second planet carrier have the second connecting bracket, and first connecting bracket is used to connect
The first row carrier and the input unit, second connecting bracket be used for connect second planet carrier with
The input unit, wherein each in first connecting bracket and second connecting bracket includes：
Central body portion and extension arm, the extension arm are multiple and are arranged on the central body portion
On outer peripheral face, arm is centered on the central body portion and radially distributes for the plurality of extension, wherein
The arm that extends is for being connected with the input unit.
14. differential mechanisms according to claim 13, it is characterised in that the institute of each group of correspondence engagement
State the first row star-wheel and second planetary gear is located between the extension arm of adjacent two.
15. differential mechanisms according to claim 1, it is characterised in that each described the first row star-wheel tool
Have a first planet wheel shaft, two ends of the first planet wheel shaft respectively with the first row carrier and
Second planet carrier be connected, each described second planetary gear have second planet wheel spindle, described second
Two ends of planet wheel spindle are connected with the first row carrier and second planet carrier respectively.
16. 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.
17. differential mechanisms 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.
18. 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.
19. a kind of power drive systems, it is characterised in that include according to any one of claim 1-18
Described differential mechanism.
20. a kind of vehicles, it is characterised in that including power drive system according to claim 19.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624687.0A CN106555855B (en) | 2015-09-25 | 2015-09-25 | Differential mechanism, power transmission system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510624687.0A CN106555855B (en) | 2015-09-25 | 2015-09-25 | Differential mechanism, power transmission system and vehicle |
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| CN106555855B CN106555855B (en) | 2020-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253111A (en) * | 2017-12-27 | 2018-07-06 | 孝感孝航机电科技有限公司 | A kind of deceleration differential of planetary gear type |
| CN110832227A (en) * | 2017-05-16 | 2020-02-21 | 舍弗勒技术股份两合公司 | Compact planetary differential mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008222106A (en) * | 2007-03-14 | 2008-09-25 | Jtekt Corp | Hybrid differential gear |
| JP2013174327A (en) * | 2012-02-27 | 2013-09-05 | Honda Motor Co Ltd | Driving device for vehicle |
| 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 |
| US20130337962A1 (en) * | 2012-06-18 | 2013-12-19 | Research & Business Foundation Sungkyunkwan University | Apparatus having multi-output differential gear |
| CN103697139A (en) * | 2014-01-09 | 2014-04-02 | 重庆理工大学 | Straight-toothed hole pin type hydraulic automatic limited slip differential |
| CN104169612A (en) * | 2012-04-19 | 2014-11-26 | 舍弗勒技术有限两合公司 | Planetary gearbox comprising differential |
| 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 |
| CN104838174A (en) * | 2012-12-04 | 2015-08-12 | 舍弗勒技术股份两合公司 | Differential transmission |
-
2015
- 2015-09-25 CN CN201510624687.0A patent/CN106555855B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008222106A (en) * | 2007-03-14 | 2008-09-25 | Jtekt Corp | Hybrid differential gear |
| JP2013174327A (en) * | 2012-02-27 | 2013-09-05 | Honda Motor Co Ltd | Driving device for vehicle |
| CN104169612A (en) * | 2012-04-19 | 2014-11-26 | 舍弗勒技术有限两合公司 | Planetary gearbox comprising differential |
| 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 |
| US20130337962A1 (en) * | 2012-06-18 | 2013-12-19 | Research & Business Foundation Sungkyunkwan University | Apparatus having multi-output differential gear |
| CN104838174A (en) * | 2012-12-04 | 2015-08-12 | 舍弗勒技术股份两合公司 | Differential transmission |
| CN103697139A (en) * | 2014-01-09 | 2014-04-02 | 重庆理工大学 | Straight-toothed hole pin type hydraulic automatic limited slip differential |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832227A (en) * | 2017-05-16 | 2020-02-21 | 舍弗勒技术股份两合公司 | Compact planetary differential mechanism |
| CN108253111A (en) * | 2017-12-27 | 2018-07-06 | 孝感孝航机电科技有限公司 | A kind of deceleration differential of planetary gear type |
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| Publication number | Publication date |
|---|---|
| CN106555855B (en) | 2020-05-22 |
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