CN105966235A - Electric drive axle assembly and vehicle with electric drive axle assembly - Google Patents
Electric drive axle assembly and vehicle with electric drive axle assembly Download PDFInfo
- Publication number
- CN105966235A CN105966235A CN201511030700.6A CN201511030700A CN105966235A CN 105966235 A CN105966235 A CN 105966235A CN 201511030700 A CN201511030700 A CN 201511030700A CN 105966235 A CN105966235 A CN 105966235A
- Authority
- CN
- China
- Prior art keywords
- parking
- gear
- axle
- assembly
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Retarders (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an electric drive axle assembly and a vehicle with the electric drive axle assembly. The electric drive axle assembly comprises an electrodynamic assembly, an axle housing assembly and a central parking module, wherein the electrodynamic assembly comprises a power motor, a transmission and a differential mechanism, the differential mechanism comprises an input part of the differential mechanism and two output parts of the differential part, and the power motor is connected to the input part of the differential mechanism by the transmission; the axle housing assembly comprises an axle housing module and two semi-axles, the two semi-axles and the differential mechanism are located in the axle housing module, the two semi-axles are connected to the two output parts of the differential mechanism respectively, and the electrodynamic assembly is installed on the axles housing module; and the central parking module is installed on the axles housing module and used to directly brake the input part of the differential mechanism. The electric drive axle assembly provided by the embodiment of the invention has the advantages of a compact structure, easy layout and high parking reliability.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of electric drive axle assembly and have this
The vehicle of electric drive axle assembly.
Background technology
In correlation technique, parking brake is wanted to be arranged on electric drive axle, there is difficult arrangement, and at electricity
When the power assembly of drive axle has multiple gear, it may appear that hanging the problem that shelves lost efficacy, security performance is low, deposits
At room for improvement.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, this
Invention proposes a kind of electric drive axle assembly arranging that reliably and securely property is high.
The present invention also proposes a kind of vehicle with this electric drive axle assembly.
Electric drive axle assembly according to embodiments of the present invention, including: electric power assembly, described electric power assembly
Including power motor, variator and differential mechanism, described differential mechanism has differential mechanism input unit and two differential mechanisms
Output unit, described power motor is connected with described differential mechanism input unit by described variator；Axle case assy,
Described axle case assy includes that axle housing assembly and two semiaxis, said two semiaxis and described differential mechanism are respectively positioned on institute
Stating in axle housing assembly, two described semiaxis are connected with two described differential mechanism output units respectively, wherein said electricity
Power assembly is arranged on described axle housing assembly；Central authorities' parking module, described central authorities parking module is arranged on institute
State on axle housing assembly and for directly braking described differential mechanism input unit.
Electric drive axle assembly according to embodiments of the present invention, electric power assembly, central authorities' parking module and axle housing are total
One-tenth integrates, and compact conformation, volume are little, be easy to layout, and are directly braked by central authorities' parking module
Differential mechanism input unit, the risk that the parking being likely to occur during can avoiding shift of transmission was lost efficacy, so that
Electric drive axle assembly is more safe and reliable.
According to one embodiment of present invention, described central authorities' parking module and described electric power assembly are respectively mounted
Both sides before and after described axle housing assembly.
According to one embodiment of present invention, described central authorities parking module includes parking casing and parking braking
Device, described parking casing is arranged on described axle housing assembly, and described parking brake is fixed on described parking case
On body, described parking brake is for directly braking described differential mechanism input unit.
According to one embodiment of present invention, described differential mechanism input unit includes differential mechanism input gear；Described
Central authorities' parking module also includes: parking axle and the parking gear being fixed on described parking axle, described park tooth
Wheel engages with described differential mechanism input gear, and described parking axle is connected with described parking brake.
According to one embodiment of present invention, described parking axle is bearing in described parking casing by parking bearing
On.
According to one embodiment of present invention, described parking axle and described parking gear are integrally formed as park tooth
Wheel shaft.
According to one embodiment of present invention, described parking brake includes brake drum and brake structure, described
Brake drum is connected with described parking axle, and described brake structure is selectively engageable described brake drum to brake institute
State brake drum.
According to one embodiment of present invention, described central authorities parking module also includes connecting casing, described parking
Brake is connected by described connection casing with described parking casing.
According to one embodiment of present invention, described central authorities parking module also includes adpting flange, described connection
Flange is fixed on described parking axle and is positioned at described connecting box body, and described brake drum is by described connection method
Blue and described parking axle is connected.
According to one embodiment of present invention, described variator has case of transmission, and described power motor is solid
Being scheduled on described case of transmission, described case of transmission is fixed on the side of described axle housing assembly, described in
Centre parking module is arranged on the opposite side of described axle housing assembly, and described differential mount is at described case of transmission
With on described parking casing.
According to one embodiment of present invention, described axle housing assembly includes axle housing and cap, wherein said speed change
Device housing is fixed on the side of described axle housing, and described cap is detachably arranged in the opposite side of described axle housing, institute
Stating cap and be configured to the tubular structure of both ends open, described parking casing is through described cap and is supported on described
On cap.
According to one embodiment of present invention, described variator includes power shaft, jackshaft and output shaft, institute
State power shaft to be connected with the motor output shaft of described power motor, described power shaft is fixed with input gear,
It is fixed with on described jackshaft on the idler gear engaged with described input gear, and described jackshaft and is fixed with
Multiple gear driving gears, described output shaft are fixed with the differential mechanism input gear with described differential mechanism and engage
Output gear, and be set with multiple with what multiple described gear driving gear one_to_one corresponding engaged on output shaft
Gear driven gear.
According to one embodiment of present invention, multiple described gear driving gears include a gear driving gear and two
Gear driving gear, the gear that multiple described gear driven gears include with a described gear driving gear engages is driven
Gear and the two gear driven gears engaged with described two gear driving gears；Described variator also includes lock unit,
Described lock unit is arranged to optionally by a described gear driven gear and described two gear driven gears
One engages with described output shaft.
The vehicle of embodiment according to the second aspect of the invention, total including the electric drive axle described in first aspect
Become, thus there is compact conformation, the advantages such as it is convenient to arrange, parking safety is reliable.
Accompanying drawing explanation
Fig. 1 is the drive mechanism schematic diagram of vehicle according to embodiments of the present invention；
Fig. 2 is the structural representation of the central parking module of electric drive axle assembly according to embodiments of the present invention；
Fig. 3 is the layout schematic diagram of electric drive axle assembly according to embodiments of the present invention.
Reference:
Vehicle 1000,
Electric drive axle assembly 100,
Electric power assembly 101,
Power motor 11, motor output shaft VI,
Variator 12, case of transmission 121, power shaft I, jackshaft II, output shaft III, input
Gear q, idler gear q ', one gear driving gear 1, a gear driven gear 1 ', two gear driving gears 2,
Two gear driven gears 2 ', output gear z, lock unit S,
Differential mechanism 13, differential mechanism input gear z ',
Axle case assy 102,
Axle housing assembly 21, axle housing 210, cap 211, semiaxis 22,
Central authorities' parking module 103,
Parking casing 31,
Parking brake 32, brake drum 321, brake structure 322,
Parking axle V,
Parking gear z ",
Connection casing 33,
Adpting flange 34,
End cap 35,
Differential bearing B1, parking bearing B2, bolt 401, bolt 402.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Lead to below
It is exemplary for crossing the embodiment being described with reference to the drawings, it is intended to be used for explaining the present invention, and it is not intended that right
The restriction of the present invention.
Referring to Fig. 1-Fig. 3, electric drive axle assembly 100 according to embodiments of the present invention is described.As Fig. 1-
Shown in Fig. 3, electric drive axle assembly 100 according to embodiments of the present invention includes electric power assembly 101, axle housing
Assembly 102 and central authorities' parking module 103.
As shown in Figure 1-Figure 3, electric power assembly 101 includes power motor 11, variator 12 and differential mechanism
13.As it is shown on figure 3, axle case assy 102 includes axle housing assembly 21 and two semiaxis 22, two semiaxis 22
It is respectively positioned in axle housing assembly 21 with differential mechanism 13.
Differential mechanism 13 has differential mechanism input unit and two differential mechanism output units, and two differential mechanism output units are fitted
In the power output that will input from differential mechanism input unit, power motor 11 is by variator 12 and differential mechanism
Input unit is connected, and two semiaxis 22 are connected to export power with two differential mechanism output units respectively.
As it is shown on figure 3, electric power assembly 101 is arranged on axle housing assembly 21, central authorities' parking module 103
It is arranged on axle housing assembly 21, say, that electric power assembly 101, central authorities' parking module 103 and bridge
Housing assy 102 becomes one, thus compact conformation, assembling is simple, alleviate quality, volume is little, account for
Little with space, be easy on vehicle 1000 arrange, and shorten that driving chain, transmission loss be little, transmission
Efficiency is high.Particularly, by independent for central authorities' parking module 103 integrated installation on axle housing assembly 21, reliably
Property high, low cost.
As depicted in figs. 1 and 2, central authorities' parking module 103 is for direct brake differential device input unit, the most just
Being to say, when vehicle 1000 needs parking, central authorities' parking module 103 can directly brake differential device input
Portion, thus need not move through variator 12 and just can realize parking, so can shorten driving chain, and can
Reduce volume, it is simple to the layout of central authorities' parking module 103.
When vehicle 1000 needs to travel, power is input to variator 12 by power motor 11, and power can
It is delivered to differential mechanism input unit, say, that the power of power motor 11 output passes through by different speed ratios
The speed change of variator 12 adjusts torsion to pass to differential mechanism input unit, then by two differential mechanism output units by two
Semiaxis 22 is delivered on the wheel of both sides, thus realizes vehicle 1000 and travel.
When vehicle 1000 needs parking, manually or the mode such as electro-hydraulic gas pulls central authorities' parking module
103, power motor 11 unloads simultaneously, and at this moment power is no longer passed to both sides wheel by power motor 11,
But vehicle 1000 is owing to, under the component effect of inertia or the self gravitation on ramp, being transmitted moment of torsion by wheel
To differential mechanism input unit, now power motor 11 unloads, and variator 12 is likely located at neutral gear, i.e. power current
Machine 11 be not provided that corresponding moment of torsion to ensure parking, at this moment central authorities' direct brake differential device of parking module 103
Input unit, and prevent vehicle wheel rotation by differential mechanism output unit and semiaxis 22, it is achieved parking.
Electric drive axle assembly 100 according to embodiments of the present invention, electric power assembly 101, central authorities' parking module
103 and axle case assy 102 integrate, compact conformation, volume are little, be easy to arrange, and by central authorities
The direct brake differential device input unit of parking module 103, can avoid being likely to occur in variator 12 shift process
Parking lost efficacy risk so that electric drive axle assembly 100 is more safe and reliable.
Electric drive axle assembly 100 according to embodiments of the present invention is described in detail referring to Fig. 1-Fig. 3.Such as figure
Shown in 1-Fig. 3, electric drive axle assembly 100 according to embodiments of the present invention includes electric power assembly 101, bridge
Housing assy 102 and central authorities' parking module 103.
Electric power assembly 101 includes power motor 11, variator 12 and differential mechanism 13.Axle case assy 102
It is respectively positioned on axle housing assembly 21 including axle housing assembly 21 and two semiaxis 22, differential mechanism 13 and two semiaxis 22
In.
Differential mechanism 13 has differential mechanism input unit and two differential mechanism output units, and two differential mechanism output units are fitted
In the power output that will input from differential mechanism input unit, power motor 11 is by variator 12 and differential mechanism
Input unit is connected, and two semiaxis 22 are connected with two differential mechanism output units respectively.
It is to say, the power of power motor 11 output exports to poor after the speed change of variator 12 adjusts torsion
Speed device input unit, two differential mechanism output units will be delivered separately to two and half from the power of differential mechanism input unit
Axle 22, two semiaxis 22 drive two vehicle wheel rotations being attached thereto respectively, thus realize vehicle 1000
Traveling.
Electric power assembly 101 and central authorities' parking module 103 are installed on axle housing assembly 21, so that electric
The degree of integration of driving axis 100 is high, and function is more and is easy to arrangement.
Preferably, central authorities' parking module 103 and electric power assembly 101 are separately mounted to axle housing assembly 21
Both sides front and back, say, that central authorities' parking module 103 and electric power assembly 101 are positioned at axle housing assembly 21
Different sides.
In one concrete example of the present invention as shown in Figure 3, central authorities' parking module 103 is arranged on axle housing
The rear side of assembly 21, electric power assembly 101 is arranged on the front side of axle housing assembly 21, certainly at some other
Embodiment in, central authorities' parking module 103 can also be arranged on the front side of axle housing assembly 21, and electric power
Assembly 101 is arranged on the rear side of axle housing assembly 21.
So, by electric power assembly 101 and central authorities' parking module 103 are arranged in axle housing assembly 21
Not ipsilateral, thus reduce the space of electric power assembly 101 side, it is simple to arrangement.Such cloth
Put mode, be particularly suited for that volume is big, power motor 11 high-power electric power assembly 101 so that electricity
Driving axis 100 is while meeting high-power traveling demand, characteristics of compact layout, rational in infrastructure, fully profit
Use car load space, reduce assembly difficulty.
Specifically, as it is shown on figure 3, variator 12 has case of transmission 121, power motor 11 is fixed
On case of transmission 121, case of transmission 121 is fixed on side (such as Fig. 3 of axle housing assembly 21
In front side), central authorities parking module 103 be arranged on the opposite side of axle housing assembly 21 (after in such as Fig. 3
Side).
So, case of transmission 121 can be as the installation carrier of power motor 11, and case of transmission
121 is the connection member of electric power assembly 101 and axle case assy 102, and central authorities' parking module 103 is also solid
It is scheduled on axle housing assembly 21, thus by power motor 11, variator 12, differential mechanism 13, central authorities' parking
Module 103 and axle case assy 102 integrate, simultaneously central authorities' parking module 103 and power motor
11 both sides being arranged in axle housing assembly 21, thus the compact conformation of electric drive axle assembly 100, arrange
Rationally.
In some optional embodiments of the present invention, power motor 11 can be threaded connection part and fix
On case of transmission 121, case of transmission 121 can be threaded connection part and be fixed on axle housing assembly
On 21.
As in figure 2 it is shown, central authorities' parking module 103 includes parking casing 31 and parking brake 32, parking
Casing 31 is arranged on axle housing assembly 21, and parking brake 32 is fixed on parking casing 31, parking system
Dynamic device 32 is for direct brake differential device input unit.It is to say, parking casing 31 is parking brake
32 with the connection member of axle housing assembly 21, so easily central authorities' parking module 103 can be arranged on bridge
On shell component 21, simple in construction and assembling are easily.
As in figure 2 it is shown, axle housing assembly 21 includes axle housing 210 and cap 211, case of transmission 121 is solid
Being scheduled on the side of axle housing 210, described cap 211 is detachably arranged in the opposite side of axle housing 210, namely
Saying, cap 211 is positioned at the same side with central parking module 103.
More specifically, the middle part of axle housing 210 has the differential mechanism receiving space that both sides end face all opens wide, shell
Lid 211 is removably mounted on the side end face opened wide at the middle part of axle housing 210, case of transmission 121
On the opposite side end face opened wide at the middle part being fixed on axle housing 210.
Alternatively, cap 211 can be threaded connection part and be removably mounted on axle housing 210, specifically
Ground, as in figure 2 it is shown, threaded connector is bolt 401, cap 211 can be by along this cap 211 weeks
On the side end face opened wide at the middle part being threaded in axle housing 210 to spaced multiple bolts 401.
So, by being removably mounted on axle housing 210 by cap 211, electric power assembly 101 can be made
Installation more convenient, and fixed structure is simple, easy to operate.Specifically, the side at the middle part of axle housing 210
The cap 211 of end face (i.e. a side end face at wheel bag) makes assembled, can efficiently reduce electric power total
One-tenth 101 and the assembly difficulty of two semiaxis 22, be more beneficial for the maintenance of differential mechanism 13.
Further, as in figure 2 it is shown, cap 211 is configured to the tubular structure of both ends open, parking casing
31 through cap 211 and being supported on cap 211, thus fixing by cap 211 and axle housing 210
Parking casing 31 is arranged on case of transmission 121.Specifically, the cross-sectional area of this tubular structure,
Increase near one end of axle housing 210, consequently facilitating parking casing 31 is worn from the one end away from axle housing 210
Crossing, the installation making central authorities' parking module 103 is more convenient.
Differential mechanism 13 is bearing on case of transmission 121 and parking casing 31, say, that parking casing
31 pass cap 211, and fixing by cap 211 and axle housing 210 so that parking casing 31 is installed
On case of transmission 121, thus case of transmission 121 and parking casing 31 together constitute differential mechanism
The supporting structure of 13, common supporting differential mechanism 13, the supporting of such differential mechanism 13 is more stable, and can make electricity
The structure of driving axis 100 is compacter, further saves receiving space.Alternatively, differential mechanism
13 are bearing on case of transmission 121 and parking casing 31 by differential bearing B1, differential bearing
B1 includes that two taper roll bearings, i.e. these two taper roll bearings are all clamped at case of transmission 121
And between parking casing 31.
Specifically, parking casing 31 can be fixed on case of transmission 121 by threaded fastener.
Further, as depicted in figs. 1 and 2, differential mechanism input unit includes differential mechanism input gear z '.
Central authorities' parking module 103 also includes parking axle V and the parking gear z being fixed on parking axle V ", parking
Gear z " engage with differential mechanism input gear z ', parking axle V is connected with parking brake 32.
It is to say, parking brake 32 optionally brakes parking axle V, due to parking gear z " solid
It is scheduled on parking axle V, and parking gear z " engage with differential mechanism input gear z ', thus parking braking
Device 32 can optionally brake differential device input gear z '.
Alternatively, parking axle V is held by parking axle V and is bearing on parking casing 31, thus parking axle V
Can preferably be bearing on parking casing 31.In a concrete example as shown in Figure 2, parking axle V
Hold two deep groove ball bearings that can include the axially spaced setting along parking axle V, parking gear z " position
Between two deep groove ball bearings.
Preferably, parking axle V and parking gear z " it is integrally formed as park tooth wheel shaft, thus simple in construction,
Saving installation step, structural strength is high and easy for installation.It is further preferred that park tooth wheel shaft can be provided with
Lightened structure, alternatively, this Lightened structure is lightening hole, is ensureing the intensity of park tooth wheel shaft simultaneously, is subtracting
The weight of light park tooth wheel shaft, so that central authorities' parking module 103 more lightweight, it is simple to central authorities' parking mould
Block 103 and the installation of axle housing assembly 21 and integrated.
Further, as in figure 2 it is shown, parking brake 32 includes brake drum 321 and brake structure 322,
Brake drum 321 is connected with parking axle V, thus with parking axle V synchronous axial system, brake structure 322 may select
Property ground engage brake drum 321 to brake brake drum 321.Alternatively, brake structure 322 includes friction plate,
Brake structure 322 is selectively engageable by the friction of friction plate with brake drum 321.
For the ease of parking brake 32, parking axle V and parking gear z " installation, central authorities parking mould
Block 103 also includes connecting casing 33, parking brake 32 and parking casing 31 by connecting casing 33 phase
Even.Thus, when assembling electric drive axle assembly 100, first parking casing 31 can be worn and is arranged on
On case of transmission 121, then parking axle V and parking gear z is installed ", it is subsequently mounted connection casing 33
And parking brake 32.It is to say, by arranging parking casing 31 and connecting this point of casing 33
The body structure of body formula, can facilitate central authorities' parking module 103 and electric power assembly 101 and axle case assy
The integrated installation of 102, the installation making central authorities' parking module 103 is more convenient.
As in figure 2 it is shown, central authorities' parking module 103 can also include adpting flange 34, adpting flange 34 is solid
Being scheduled on parking axle V and be positioned at connection casing 33, brake drum 321 is by adpting flange 34 and parking axle
V is connected, and thus parking axle V is simpler with the connection of brake drum 321, and the dress of central authorities' parking module 103
Join more convenient.Alternatively, adpting flange 34 can be threaded connection part with parking axle V and fix, screw thread
Connector can be bolt 402.
Specifically, as in figure 2 it is shown, parking axle V is bearing on parking casing 31, the two of parking casing 31
Holding the most unlimited, one end (right-hand member of the parking axle V in such as Fig. 2) of parking axle V passes parking casing
One end of 31 extends towards parking brake 32, and through connect casing 33 and by adpting flange 34 and
Brake drum 321 is fixed, and the other end of parking casing 31 is sealed by end cap 35.Wherein, adpting flange
34 are provided with via, and the end face of one end of parking axle V is provided with screwed hole, bolt 402 through via with
Screwed hole screw thread connects.
Referring to Fig. 1-Fig. 3, staying of detailed description electric drive axle assembly 100 according to embodiments of the present invention
Car process:
When vehicle needs parking, manually or the mode such as electro-hydraulic gas pulls the braking of parking brake 32
Structure 322, power motor 11 unloads simultaneously, and at this moment power is no longer passed to both sides car by power motor 11
Wheel, but vehicle 1000 is owing to, under the component effect of inertia or the self gravitation on ramp, being transmitted by wheel
Moment of torsion is to differential mechanism input unit, and owing to power motor 11 unloads, variator 12 is likely located at neutral gear, the most dynamic
Force motor 11 be not provided that corresponding moment of torsion to ensure parking, the at this moment brake structure 322 of parking brake 32
(such as friction plate) engages with brake drum 321 under the effect of pulling force, thus stops brake drum by friction
321 rotate, owing to brake drum 321 is connected with parking axle V, and parking gear z " and differential mechanism input gear
Z ' engages, thus stops differential mechanism input gear z ' to rotate, and by differential mechanism output unit and semiaxis
22 prevent vehicle wheel rotation, it is achieved parking.
Electric drive axle assembly according to embodiments of the present invention, can use the variator of different gear number, be suitable for
Scope is wide.As it is shown in figure 1, variator 12 can include power shaft I, jackshaft II and output shaft III.
Power shaft I, jackshaft II and output shaft III are all bearing on case of transmission 121 by bearing.Specifically,
As it is shown in figure 1, power shaft I, jackshaft II and output shaft III all extend along the width of vehicle 1000,
The width of the vehicle 1000 i.e. left and right directions of vehicle 1000.
Power shaft I is connected with the motor output shaft VI of power motor 11, such as power shaft I and power motor
Output shaft VI can be connected by spline structure, and specifically, power shaft I has internal spline, and motor exports
Axle VI has the external splines coordinated with this internal spline.Certainly power shaft I and power motor output shaft VI also may be used
To be connected by shaft coupling.Electric power assembly 101 according to embodiments of the present invention, by by power motor 11
The power shaft I of motor output shaft VI and variator 12 be joined directly together, driving-chain is short, and simple in construction.
Can be with power shaft as it is shown in figure 1, be fixed with input gear q, i.e. input gear q on power shaft I
I synchronous axial system, jackshaft II is fixed with idler gear q ', i.e. idler gear q ' can be with jackshaft II
Synchronous axial system, idler gear q ' engages with input gear q, jackshaft II is fixed with multiple gear actively
Gear, the most multiple gear driving gears can be set with multiple with jackshaft II synchronous axial system on output shaft III
Gear driven gear, the most each gear driven gear is all rotatable relative to output shaft III, multiple gear driven tooth
Wheel engages correspondingly with multiple gear driving gears.Alternatively, jackshaft II and the length of output shaft III
Having multiple with structure, on jackshaft II and output shaft III, meshed gears also has different logarithms, thus
Variator 12 has more gear to export.
Further, output shaft III is further fixed on output gear z, i.e. output gear z can be with output shaft
III synchronous axial system, output gear z can engage with the differential mechanism input gear z ' of differential mechanism 13, thus
The power exported by power motor 11, is delivered to differential mechanism input gear z ' through variator 12, and leads to
Cross differential mechanism output unit and drive semiaxis 22 and wheel, it is achieved vehicle 1000 travels.
In a concrete example of the present invention, multiple gear driving gears include gear driving gear 1 He
Axially spaced along jackshaft II of two gear driving gears 2, a gear driving gear 1 and two gear driving gears 2
Be fixed on jackshaft II.Multiple gear driven gears include gear driven gear 1 ' and two gear driven tooth
Wheel 2 ', a gear driving gear 1 engages with a gear driven gear 1 ', and two gear driving gears 2 and two gears are driven
Gear 2 ' engages, and a gear driven gear 1 ' and two keeps off the driven gears 2 ' axially spaced-apart along output shaft III
The empty set opened is on output shaft III, and lock unit S is arranged to optionally by a gear driven gear 1 ' and two
One in gear driven gear 2 ' engages with output shaft III, i.e. lock unit S can be by a gear driven gear 1 '
Engaging with output shaft III and make a gear driven gear 1 ' and output shaft III synchronous axial system, lock unit S can also be by
Two gear driven gears 2 ' engage with output shaft III and make two gear driven gears 2 ' and output shaft III synchronous axial system,
Lock unit S may be located on a gear driven gear 1 ' and do not engages with output shaft III and two gear driven gears 2 '
Centre position asynthetic with output shaft III, i.e. neutral gear position.Output gear z is fixed on output shaft III.
It is to say, variator 12 is two shift transmissions in this embodiment, simple in construction, light weight, speed
Greatly, and there is stronger power performance than big, moment of torsion, preferable maneuvering performance, general vehicle can be met
Use requirement.
In short, electric drive axle assembly 100 according to embodiments of the present invention, central authorities' parking module 103 is assembled
On axle housing assembly 21, and lay respectively at the both sides of axle case assy 102, parking with electric power assembly 101
Gear z " directly engage with differential mechanism input gear z ', on the one hand reduce the space of motor side, it is simple to
Arrangement, does not on the other hand worry the risk that parking was lost efficacy occur, more in variator 12 gearshift procedure
Add safe and reliable, compared to traditional running brake and parking brake 32 integrative-structure, the present invention's
The reliability of central authorities' parking module 103 is higher, and cost is the lowest.
Vehicle according to the invention 1000, car according to embodiments of the present invention are briefly described referring to Fig. 1
1000, including any one the electric drive axle assembly 100 in above-described embodiment.According to embodiments of the present invention
Vehicle 1000, including any one the electric drive axle assembly 1000 in above-described embodiment, by by central authorities' parking
Module 103 is integrated on axle case assy 102, thus have simple in construction, be easy to arrange, parking reliable and
Safety advantages of higher.Additionally, due to have employed above-mentioned electric drive axle assembly 1000, thus driving-chain is short,
Take up room little, it is simple to the arrangement of vehicle 1000, be particularly easy to the battery system of pure electric automobile
Installation, the installation for battery system saves space, be conducive to promote battery flying power.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length
Degree ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ",
" level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ",
" circumferential " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element must have
Specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint
Relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include at least one this feature.In describing the invention,
" multiple " are meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ",
The term such as " fix " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect,
Or it is integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together,
Can also be indirectly connected to by intermediary, can be connection or two elements mutual of two element internals
Interactively, unless otherwise clear and definite restriction.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on "
Or D score can be that the first and second features directly contact, or the first and second features are by middle matchmaker
Jie's mediate contact.And, fisrt feature second feature " on ", " top " and " above "
Fisrt feature is directly over second feature or oblique upper, or is merely representative of fisrt feature level height
Higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or it is little to be merely representative of fisrt feature level height
In second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
It is concrete that the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes
Feature, structure, material or feature are contained at least one embodiment or the example of the present invention.In this theory
In bright book, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And,
Describe specific features, structure, material or feature can with in one or more embodiments in office or example with
Suitably mode combines.Additionally, in the case of the most conflicting, those skilled in the art can be by this
The feature of different embodiments described in description or example and different embodiment or example be combined and
Combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment
It is exemplary, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art is the present invention's
In the range of above-described embodiment can be changed, revise, replace and modification.
Claims (14)
1. an electric drive axle assembly, it is characterised in that including:
Electric power assembly, described electric power assembly includes power motor, variator and differential mechanism, described differential
Utensil has differential mechanism input unit and two differential mechanism output units, and described power motor passes through described variator and institute
State differential mechanism input unit to be connected；
Axle case assy, described axle case assy includes axle housing assembly and two semiaxis, said two semiaxis and described
Differential mechanism is respectively positioned in described axle housing assembly, two described semiaxis respectively with two described differential mechanism output unit phases
Even, wherein said electric power assembly is arranged on described axle housing assembly；
Central authorities' parking module, described central authorities parking module is arranged on described axle housing assembly and for directly braking
Described differential mechanism input unit.
Electric drive axle assembly the most according to claim 1, it is characterised in that described central authorities parking mould
Block and described electric power assembly are separately mounted to both sides before and after described axle housing assembly.
Electric drive axle assembly the most according to claim 2, it is characterised in that described central authorities parking mould
Block includes that parking casing and parking brake, described parking casing are arranged on described axle housing assembly, described stays
Vehicle brake is fixed on described parking casing, and described parking brake is defeated for directly braking described differential mechanism
Enter portion.
Electric drive axle assembly the most according to claim 3, it is characterised in that
Described differential mechanism input unit includes differential mechanism input gear；
Described central authorities parking module also includes: parking axle and the parking gear being fixed on described parking axle, institute
Stating parking gear to engage with described differential mechanism input gear, described parking axle is connected with described parking brake.
Electric drive axle assembly the most according to claim 4, it is characterised in that described parking axle passes through
Parking bearing is bearing on described parking casing.
Electric drive axle assembly the most according to claim 4, it is characterised in that described parking axle and institute
State parking gear and be integrally formed as park tooth wheel shaft.
Electric drive axle assembly the most according to claim 4, it is characterised in that described parking brake
Including brake drum and brake structure, described brake drum is connected with described parking axle, and described brake structure may select
Property ground engage described brake drum to brake described brake drum.
Electric drive axle assembly the most according to claim 7, it is characterised in that described central authorities parking mould
Block also includes connecting casing, and described parking brake is connected by described connection casing with described parking casing.
Electric drive axle assembly the most according to claim 8, it is characterised in that described central authorities parking mould
Block also includes that adpting flange, described adpting flange are fixed on described parking axle and are positioned at described connection casing
In, described brake drum is connected with described parking axle by described adpting flange.
10. according to the electric drive axle assembly according to any one of claim 3-9, it is characterised in that described
Variator has case of transmission, and described power motor is fixed on described case of transmission, described variator
Housing is fixed on the side of described axle housing assembly, and described central authorities parking module is arranged on the another of described axle housing assembly
Side, described differential mount is on described case of transmission and described parking casing.
11. electric drive axle assemblies according to claim 10, it is characterised in that described axle housing assembly
Including axle housing and cap, wherein said case of transmission is fixed on the side of described axle housing, and described cap is removable
Be located at the opposite side of described axle housing with unloading, described cap is configured to the tubular structure of both ends open, described parking
Casing is through described cap and is supported on described cap.
12. according to the electric drive axle assembly according to any one of claim 4-9, it is characterised in that described
Variator includes that power shaft, jackshaft and output shaft, described power shaft export with the motor of described power motor
Axle is connected, and described power shaft is fixed with on input gear, described jackshaft and is fixed with and described input gear
The idler gear of engagement, and on described jackshaft, it is fixed with multiple gear driving gear, solid on described output shaft
Surely there is the output gear that the differential mechanism input gear with described differential mechanism engages, and be set with on output shaft with many
Multiple gear driven gears of individual described gear driving gear one_to_one corresponding engagement.
13. electric drive axle assemblies according to claim 12, it is characterised in that multiple described gears
Driving gear includes a gear driving gear and two gear driving gears, and multiple described gear driven gears include and institute
State one gear driving gear engagement one gear driven gear and with described two gear driving gears engage two keep off driven
Gear；
Described variator also includes that lock unit, described lock unit are arranged to optionally by driven for a described gear
One in gear and described two gear driven gears engages with described output shaft.
14. 1 kinds of vehicles, it is characterised in that include according to the electricity according to any one of claim 1-13
Driving axis.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030700.6A CN105966235B (en) | 2015-12-31 | 2015-12-31 | Electric drive axle assembly and the vehicle with the electric drive axle assembly |
| KR1020187017160A KR102103322B1 (en) | 2015-12-31 | 2016-12-28 | Electric drive shaft assembly and vehicle having the same |
| PCT/CN2016/112658 WO2017114421A1 (en) | 2015-12-31 | 2016-12-28 | Electric drive axle assembly and vehicle having the same |
| US16/015,353 US10655717B2 (en) | 2015-12-31 | 2018-06-22 | Electric drive axle assembly and vehicle having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030700.6A CN105966235B (en) | 2015-12-31 | 2015-12-31 | Electric drive axle assembly and the vehicle with the electric drive axle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105966235A true CN105966235A (en) | 2016-09-28 |
| CN105966235B CN105966235B (en) | 2018-02-09 |
Family
ID=56988296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511030700.6A Active CN105966235B (en) | 2015-12-31 | 2015-12-31 | Electric drive axle assembly and the vehicle with the electric drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105966235B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114421A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the same |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| CN109094298A (en) * | 2018-08-20 | 2018-12-28 | 北汽福田汽车股份有限公司 | Electric axle assembly and electric car |
| WO2023094710A1 (en) * | 2021-11-29 | 2023-06-01 | Renault S.A.S. | Modular electric axle for a motor vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628544A (en) * | 2008-07-18 | 2010-01-20 | 比亚迪股份有限公司 | Vehicle-driving device and vehicle comprising same |
| CN102371892A (en) * | 2010-08-12 | 2012-03-14 | 上海汽车集团股份有限公司 | Integrated motor driving system |
| CN202203357U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Mechanical transmission of electric vehicle |
| CN102518780A (en) * | 2011-12-16 | 2012-06-27 | 奇瑞汽车股份有限公司 | Motor-AMT (automated mechanical transmission) coupling mechanism |
| CN202628989U (en) * | 2012-04-27 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Connecting structure of automobile differential mechanism and parking ratchet wheel |
| CN202914686U (en) * | 2012-10-31 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Seven-speed dual clutch gearbox transmission device |
| CN103496320A (en) * | 2013-09-11 | 2014-01-08 | 安徽农业大学 | Axle assembly driven by new energy |
| CN203516711U (en) * | 2013-10-25 | 2014-04-02 | 陕西汉德车桥有限公司 | Automotive main reducer assembly with parking brake |
| CN104057821A (en) * | 2014-06-04 | 2014-09-24 | 合肥工业大学 | Power system assembly for two-speed electric vehicles |
| CN205326796U (en) * | 2015-12-31 | 2016-06-22 | 比亚迪股份有限公司 | Electric drive axle assembly and have vehicle of this electric drive axle assembly |
-
2015
- 2015-12-31 CN CN201511030700.6A patent/CN105966235B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628544A (en) * | 2008-07-18 | 2010-01-20 | 比亚迪股份有限公司 | Vehicle-driving device and vehicle comprising same |
| CN102371892A (en) * | 2010-08-12 | 2012-03-14 | 上海汽车集团股份有限公司 | Integrated motor driving system |
| CN202203357U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Mechanical transmission of electric vehicle |
| CN102518780A (en) * | 2011-12-16 | 2012-06-27 | 奇瑞汽车股份有限公司 | Motor-AMT (automated mechanical transmission) coupling mechanism |
| CN202628989U (en) * | 2012-04-27 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Connecting structure of automobile differential mechanism and parking ratchet wheel |
| CN202914686U (en) * | 2012-10-31 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Seven-speed dual clutch gearbox transmission device |
| CN103496320A (en) * | 2013-09-11 | 2014-01-08 | 安徽农业大学 | Axle assembly driven by new energy |
| CN203516711U (en) * | 2013-10-25 | 2014-04-02 | 陕西汉德车桥有限公司 | Automotive main reducer assembly with parking brake |
| CN104057821A (en) * | 2014-06-04 | 2014-09-24 | 合肥工业大学 | Power system assembly for two-speed electric vehicles |
| CN205326796U (en) * | 2015-12-31 | 2016-06-22 | 比亚迪股份有限公司 | Electric drive axle assembly and have vehicle of this electric drive axle assembly |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114421A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the same |
| US10655717B2 (en) | 2015-12-31 | 2020-05-19 | Byd Company Limited | Electric drive axle assembly and vehicle having the same |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| CN109094298A (en) * | 2018-08-20 | 2018-12-28 | 北汽福田汽车股份有限公司 | Electric axle assembly and electric car |
| WO2023094710A1 (en) * | 2021-11-29 | 2023-06-01 | Renault S.A.S. | Modular electric axle for a motor vehicle |
| FR3129695A1 (en) * | 2021-11-29 | 2023-06-02 | Renault S.A.S | MODULAR ELECTRIC TRAIN FOR MOTOR VEHICLE |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105966235B (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205326796U (en) | Electric drive axle assembly and have vehicle of this electric drive axle assembly | |
| CN105966219B (en) | Vehicle and electric drive axle assembly for vehicle | |
| CN105966230B (en) | Electric drive axle assembly and the vehicle with the electric drive axle assembly | |
| CN205344518U (en) | Electric drive axle assembly and have vehicle of this electric drive axle assembly | |
| CN205326780U (en) | Vehicle and be used for transaxle subassembly of vehicle | |
| EP3865330A1 (en) | Electric wheel assembly suitable for wheel with parallelly installed dual tire, axle, and vehicle | |
| CN105984335B (en) | Trucd mixer | |
| CN105966235A (en) | Electric drive axle assembly and vehicle with electric drive axle assembly | |
| CN205365231U (en) | Truck mixer | |
| CN106945495B (en) | Mining driving force adaptive multiple-shift automatic transmission bi-motor steering and driving axle | |
| CN204095509U (en) | Power drive system and there is the vehicle of this power drive system | |
| CN205326801U (en) | Vehicle, integrated electric drive axle and be used for integrated electric drive axle 's axle housing assembly | |
| CN105966221B (en) | Vehicle and the drive axle assemblies for vehicle | |
| CN100469612C (en) | Drive apparatus for hybrid vehicle | |
| CN101786416B (en) | Electric vehicle deceleration and differential integrated rear axle assembly | |
| CN105984278B (en) | Dumper | |
| US10655717B2 (en) | Electric drive axle assembly and vehicle having the same | |
| CN105966237A (en) | Vehicle and drive axle module used for vehicle | |
| CN104728403B (en) | Electri forklift, bridge case and its drive mechanism | |
| CN205468311U (en) | Dump truck | |
| CN107298014A (en) | A kind of motor drive axle | |
| CN105365549A (en) | Power assembly for coal mine explosion-proof electric drive vehicle | |
| WO2012088860A1 (en) | Variable speed bridge | |
| CN205326778U (en) | Vehicle and be used for electric drive axle assembly of vehicle | |
| CN106090172A (en) | Electric motor car automatic gear-box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |