CN105966221A - Vehicle and drive axle module used for vehicle - Google Patents

Vehicle and drive axle module used for vehicle Download PDF

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Publication number
CN105966221A
CN105966221A CN201511028995.3A CN201511028995A CN105966221A CN 105966221 A CN105966221 A CN 105966221A CN 201511028995 A CN201511028995 A CN 201511028995A CN 105966221 A CN105966221 A CN 105966221A
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CN
China
Prior art keywords
axle
assembly
gear
distance rod
vehicle
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
Application number
CN201511028995.3A
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Chinese (zh)
Other versions
CN105966221B (en
Inventor
刘辉跃
全初鹏
韦佳
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BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201511028995.3A priority Critical patent/CN105966221B/en
Publication of CN105966221A publication Critical patent/CN105966221A/en
Priority to PCT/CN2016/112657 priority patent/WO2017114420A1/en
Application granted granted Critical
Publication of CN105966221B publication Critical patent/CN105966221B/en
Active legal-status Critical Current
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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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/06—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged obliquely to the longitudinal axis of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • 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
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • 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
    • B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
    • 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
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses a vehicle and a drive axle module used for the vehicle. The drive axle module comprises a drive axle assembly, wherein the drive axle assembly comprises two vehicle axle assemblies, each vehicle axle assembly comprises an axle housing assembly, and each axle housing assembly comprises an axle housing module and two semi-axles; at least one of the two vehicle axle assemblies is an electric drive axle assembly; the electric drive axle assembly also comprises an electrodynamic assembly and a suspension device; the electrodynamic assembly comprises a power motor, a transmission and a differential mechanism, the transmission comprises a transmission shell body, the power motor is fixed on the transmission shell body, the differential mechanism is supported on the transmission shell body, the transmission shell body is fixed on the axle housing module, the transmission comprises multiple transmission shafts, the multiple transmission shafts are disposed successively from top to bottom, and the suspension device is connected between the electrodynamic assembly and a frame of the vehicle; and the drive axle module also comprises a suspension system, wherein each vehicle axle assembly is connected to the frame of the vehicle by the suspension system. The drive axle module used for the vehicle disclosed by the invention has the advantages of a compact structure, green and environment-friendly effects and steady transmission.

Description

Vehicle and the drive axle assemblies for vehicle
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of drive axle assemblies for vehicle and have this use Vehicle in the drive axle assemblies of vehicle.
Background technology
In correlation technique, the transmission link of drive axle is many, transmission chain length, and transmission efficiency is low, and volume is big, difficult arrangement, and Not environmentally, noise is big, and air pollution is serious, there is 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, the present invention proposes one Plant compact conformation, energy-saving ring, degree of integration height and the drive axle assemblies for vehicle of environmental protection.
Present invention also offers a kind of vehicle.
The drive axle assemblies for vehicle according to a first aspect of the present invention includes: driving axis, described driving axis bag Including two axle assemblies of the most spaced apart setting, each described axle assembly all includes axle case assy, described axle housing Assembly includes that axle housing assembly and two semiaxis, two described semiaxis are positioned at described axle housing assembly；In two described axle assemblies At least one be electric drive axle assembly, described electric drive axle assembly also includes electric power assembly and suspension arrangement, described electronic Power assembly includes that power motor, variator, differential mechanism, described variator have case of transmission, and described power motor is fixed On described case of transmission, described differential mount is on described case of transmission, and described differential mechanism is positioned at described axle housing group In part, described case of transmission is fixed on described axle housing assembly, and described variator includes multiple power transmission shaft, the plurality of biography Moving axis sets gradually from the top down, and described suspension arrangement is connected between described electric power assembly and the vehicle frame of described vehicle；Outstanding Frame system, each described axle assembly is all connected by the vehicle frame of described suspension system with described vehicle.
According to the drive axle assemblies for vehicle of the present invention, by by two axle assemblies in driving axis at least One is set to compact conformation, driving-chain is short, transmission efficiency is high and arranges easy electric drive axle assembly, so that vehicle is real Now drive process steadily, environmental protection, zero-emission, no pollution, low noise；By suspension system by vehicle frame and each vehicle bridge Assembly is connected so that vehicle is more comfortable.
Vehicle according to a second aspect of the present invention includes the drive axle group for vehicle described in first aspect, thus has driving Process steadily, environmental protection, zero-emission, no pollution, low noise, comfortableness advantages of higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of driving axis according to embodiments of the present invention and vehicle frame；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of driving axis according to embodiments of the present invention；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural representation looking up angle of Fig. 3；
Fig. 6 is the structural representation of electric drive axle assembly according to embodiments of the present invention；
Fig. 7 is the sectional view of Fig. 6；
Fig. 8 is the enlarged drawing at the E of Fig. 7；
Fig. 9 is the structural representation of axle case assy according to embodiments of the present invention；
Figure 10 is the structural representation of electric power assembly according to embodiments of the present invention；
Figure 11 is the internal structure schematic diagram of variator according to embodiments of the present invention；
Figure 12 is the side view of Figure 11；
Figure 13 is the structural representation of power takeoff according to embodiments of the present invention；
Figure 14 is the drive mechanism schematic diagram of vehicle according to the invention；
Figure 15 is the front view of vehicle according to embodiments of the present invention.
Reference:
Vehicle 100000, drive axle assemblies 10000 for vehicle, driving axis (the second axle assembly) 1000,
The circulation of electric drive axle assembly 100, electric power assembly 101, power motor 11, motor output shaft VI, coolant is logical Road 111, entrance A, outlet B, variator 12, case of transmission the 121, first axle the I, second axle the II, the 3rd axle III, first shaft part the III-1, second shaft part III-2, the 4th axle IV, input gear q, idle pulley q ', the first gear k1, second Gear k2, gear driving gear 1, gear driven gear 1 ', two gear driving gear 2, two gear driven gears 2 ', three gears are main Moving gear 3, three gear driven gear 3 ', output gear z, one or four gear lock unit S1, two or three gear lock unit S2, bearing B1, Bearing B2, differential mechanism 13, differential mechanism driven gear z ', power takeoff 14, power taking axle V, power take-off gear k3, power taking are together Step device S3, power takeoff housing 141, power takeoff bearing 142, electro-hydraulic gearshift perform module 15, device to be driven 16, axle housing Assembly 102, hub reduction gear 20, hub reduction gear housing 201, sun gear 202, planetary gear 203, ring gear 204, Ring gear support 205, back-up ring 206, axle housing assembly 21, axle housing 210, cap 213, brake mounting board 214, half Axle 22, axle tube 23, hub assembly 24, hub bearing 241, brake 25, brake drum 251, axial limiting part 27, stop nut 271, locking gasket the 272, first axle assembly 300, vehicle frame 400, suspension system 500, elastic component 50, Balance shaft assembly 51, U-bolts the 52, first distance rod the 53, second distance rod the 54, first distance rod vehicle frame mounting seat 551, First distance rod axle housing mounting seat the 552, second distance rod balance axle mounting seat the 553, second distance rod axle housing mounting seat 554, Elastic component mounting seat the 555, first distance rod V-arrangement axle housing mounting seat 556,
Bolt 403, bolt 405, bolt 406.
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.Below with reference to accompanying drawing The embodiment described is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Referring to Fig. 1-Figure 15, vehicle 100000 according to embodiments of the present invention is described.As shown in Fig. 1-Figure 15, according to this The vehicle 100000 of inventive embodiments includes vehicle frame the 400, first axle assembly 300 and the drive axle assemblies 10000 for vehicle, Wherein the drive axle assemblies 10000 for vehicle includes drive axle 1000 and suspension system 500.Wherein driving axis 1000 I.e. second axle assembly 1000.
First axle assembly 300 and the second axle assembly 1000 are along the spaced apart setting in direction before and after vehicle 100000, such as Figure 15 Shown in, the first axle assembly 300 is the front axle assembly of vehicle 100000, after the second axle assembly 1000 is vehicle 100000 Axle assembly.
Wherein, as shown in figure 15, the second axle assembly 1000 includes before and after vehicle 100,000 the two of the spaced apart setting in direction Individual axle assembly.As Figure 1-Figure 5, each axle assembly all includes that axle case assy 102, axle case assy 102 include bridge Shell component 21 and two semiaxis 22, two semiaxis 22 are positioned at axle housing assembly 21.
At least one in two axle assemblies is electric drive axle assembly 100, and in i.e. two axle assemblies can be that electricity drives Dynamic axle assembly 100, another is driven bridge；Or two axle assemblies are electric drive axle assembly 100.
Two axle assemblies be all electric drive axle assembly 100 embodiment in, each axle assembly all can drive vehicle 100000 travel, thus the second axle assembly 1000 is drive axle and powerful, adapts to level road and climbing, mixed economy Property is good.
Preferably, two electric drive axle assemblies 100 are arranged to an electric drive axle assembly 100 for another electric drive axle assembly 100 are formed after the axis being perpendicular to fore-and-aft direction rotates 180 °.It is to say, an electric drive axle assembly 100 is rear-guard Dynamic bridge, another electric drive axle assembly 100 is middle drive axle, and another electric drive axle assembly 100 is this electric drive Axle assembly 100 is formed after the axis being perpendicular to fore-and-aft direction rotates 180 °.Thus, the structure of the second axle assembly 1000 is more Compact, it is simple to arrange, space availability ratio is high and load is evenly distributed.
Preferably, two electric drive axle assemblies 100 can be just the same, and so middle drive axle and rear driving axle can share, Thus reduce and manufacture cost.Certainly, in some other the embodiment of the present invention, two electric drive axle assemblies 100 Can there is nuance.
Further, two axle assemblies be all electric drive axle assembly 100 embodiment in, for the drive axle group of vehicle Part 10000 can also include two electric machine controllers, two electric machine controllers and two electric drive axle assembly 100 one_to_one corresponding, And each electric machine controller individually controls the power motor 11 of electric drive axle assembly 100 of correspondence.Thus, two electric drive axles Assembly 100 works independently, non-interference, is controlled by two electric machine controllers respectively, adjusts by being precisely controlled unit The rotating speed of power motor 11, thus realize real-time synchronization.Additionally, due to two electric drive axle assemblies 100 can work independently, Even if there being an electric drive axle assembly 100 not work, another electric drive axle assembly 100 also can drive car load to run, and There are two independent power sources, i.e. two independent power motors 11 so that car load power is more powerful.
In two axle assemblies one is electric drive axle assembly 100, the reality that another is driven bridge in two axle assemblies Executing in example, electric drive axle assembly 100 drives driven bridge, it is achieved the traveling of vehicle 100000, and simple in construction and layout are easily.
As shown in Fig. 6-Figure 14, electric drive axle assembly 100 includes electric power assembly 101 and axle case assy 102.Electric power is total 101 are become to include power motor 11, variator 12 and differential mechanism 13.As shown in Fig. 6-Fig. 9, axle case assy 102 includes bridge Shell component 21 and two semiaxis 22.Two semiaxis 22 and differential mechanism 13 are respectively positioned in axle housing assembly 21.
It is understood that the power of power motor 11 output adjusts torsion to pass to differential mechanism 13 through the speed change of variator 12, Two outfans of differential mechanism 13 output power to two semiaxis 22, and semiaxis 22 imparts power to coupled wheel, Thus drive vehicle 100000 to travel.
As shown in Figure 6 and Figure 7, in the electric drive axle assembly 100 of the embodiment of the present invention, variator 12 has variator 12 Housing 121, power motor 11 is fixed on variator 12 housing 121, and differential mechanism 13 is bearing in variator 12 housing 121 On, variator 12 housing 121 is fixed on axle housing assembly 21.Such as, in some embodiments of the invention, power current Machine 11 can be threaded connection part and be fixed on variator 12 housing 121, and variator 12 housing 121 can pass through screw thread Connector is fixed on axle housing assembly 21, and differential mechanism 13 is bearing on variator 12 housing 121 by bearing.
It is to say, in electric drive axle assembly 100, variator 12 housing 121 can carry as the installation of power motor 11 Body, and the connection member that variator 12 housing 121 is electric power assembly 101 and axle case assy 102, thus by power motor 11, variator 12, differential mechanism 13 and axle case assy 102 integrate.
Electric drive axle assembly 100 according to embodiments of the present invention, by by power motor 11, variator 12, differential mechanism 13 And axle case assy 102 integrates, thus compact conformation, assembling is simple, alleviate quality, volume is little, take sky Between little, be easy on vehicle 100000 arrange, and shorten driving chain, transmission loss is little, transmission efficiency is high.
Variator 12 includes that multiple power transmission shaft, multiple power transmission shafts set gradually from the top down, is thus greatly shortened electric power assembly The barycenter of 101 is to the distance at the center of axle case assy 102 so that the electric power assembly 101 relative torsion to axle case assy 102 Square reduces, and connects reliable, and transmission is more steady.
Further, electric drive axle assembly 100 can also include suspension arrangement, and suspension arrangement is connected to electric power assembly 101 And between vehicle frame 400.It is to say, electric power assembly 101 is not to be carried by axle case assy 102 completely, electric power is total Become 101 to be connected with vehicle frame 400 also by suspension arrangement, so energy active balance electric power assembly 101 centroid motion and to bridge The moment of torsion that housing assy 102 produces.By arranging suspension arrangement, impact can be effectively reduced, reach electric power assembly 101 as far as possible Beat Tong Bu with axle case assy 102, the moment between electric power assembly 101 and axle case assy 102 is almost dropped to zero, protect Demonstrate,prove connection reliability between the two, it is ensured that power transmission stability, it is ensured that the safety in utilization of whole electric drive axle assembly 100.
The arrangement of this electric drive axle assembly 100, more conducively electric power assembly 101 volume are big, power motor 11 power Big vehicle 100000, thus meet the traveling demand of the vehicle 100000 of heavy-load type well.
Suspension arrangement can be connected between the one end away from axle case assy 102 and the vehicle frame 400 of variator 12 housing 121, Thus more conducively balance electric power assembly 101 centroid motion and to axle case assy 102 produce moment of torsion, make electric power assembly 101 Installation with axle case assy 102 is more stable.
Alternatively, suspension arrangement can include that two vibroshocks, two vibroshocks can be symmetricly set on variator 12 housing 121 The left and right sides.Thus, the stress of electric power assembly 101 more equalizes.Vehicle frame 400 can include crossbeam, the one of vibroshock End is arranged on crossbeam, and the other end of vibroshock is arranged on variator 12 housing 121.
Electric drive axle assembly 100 according to embodiments of the present invention, outstanding by arranging between electric power assembly 101 and vehicle frame 400 Hang device, can effectively reduce impact, reaches electric power assembly 101 as far as possible and beats Tong Bu with axle case assy 102, electric power Moment between assembly 101 and axle case assy 102 almost drops to zero, it is ensured that connection reliability between the two, it is ensured that power passes Dynamic stability, the use making whole electric drive axle assembly 100 is more reliable, safer.
Each axle assembly is all connected with vehicle frame 400 by suspension system 500.It is to say, suspension system 500 is vehicle frame 400 with the connection member of each axle assembly so that the vibration of the drive system of vehicle 100000 is big on the impact of car load Big minimizing, draws high the comfortableness of car load.
According to the drive axle assemblies 10000 for vehicle of inventive embodiments, by by two axle assemblies in the second axle assembly In at least one be set to compact conformation, driving-chain is short, transmission efficiency is high and arranges easy electric drive axle assembly 100, So that vehicle 100000 realize driving process steadily, environmental protection, zero-emission, no pollution, low noise；Pass through suspension system Vehicle frame 400 500 is connected by system with each axle assembly so that vehicle 100000 is more comfortable, by by multiple power transmission shafts from upper Set gradually downwards, be greatly shortened the barycenter distance to the center of axle case assy 102 of electric power assembly 101 so that electronic The opposing torque of axle case assy 102 is reduced by power assembly 101, connects reliable, and transmission is more steady.
Vehicle 100000 according to embodiments of the present invention, uses above-mentioned drive axle assemblies 10000, thus has driving process and put down Surely, transmission more steadily, connect reliable, environmental protection, zero-emission, no pollution, low noise, comfortableness advantages of higher.
Vehicle 10000 according to embodiments of the present invention is described in detail referring to Fig. 1-Figure 15.As shown in figure 15, vehicle 10000 Including vehicle frame the 400, first axle assembly 300 and the drive axle assemblies 10000 for vehicle, for the drive axle assemblies of vehicle 10000 include the second axle assembly 1000 and suspension system 500.
First axle assembly 300 and the second axle assembly 1000 are along the spaced apart setting in direction before and after vehicle 100000, and the second bridge is total Becoming 1000 to include that two axle assemblies, at least one in two axle assemblies are electric drive axle assembly 100, each vehicle bridge is total Cheng Jun is connected with vehicle frame 400 by suspension system 500.
Suspension system 500 according to embodiments of the present invention is described in detail referring to Fig. 1-Fig. 5.As Figure 1-Figure 5, outstanding Frame system 500 include two elastic components 50 of the most spaced apart setting, balance shaft assembly 51 and along the vertical direction between The the first distance rod group being spaced apart and the second distance rod group.
Two the most spaced apart settings of elastic component 50, a left side being positioned at vehicle 100000, one is positioned at vehicle The right side of 100000.The two ends (i.e. front-end and back-end) of each elastic component 50 are connected with two axle housing assemblies 21 respectively, and Each elastic component 50 is respectively positioned on the top of two axle housing assemblies 21.Alternatively, elastic component 50 includes at least one of which leaf spring, excellent Selection of land, elastic component 50 is multilamellar leaf spring, and the stacking from top to bottom of multilamellar leaf spring is arranged.
In other words, the front end of the elastic component 50 in left side is connected with the left end of the axle housing assembly 21 of located anteriorly axle assembly, The rear end of elastic component 50 in left side is connected with the left end of the axle housing assembly 21 of the axle assembly being located behind, the elastic component in left side 50 tops being positioned at two axle housing assemblies 21；The front end of the elastic component 50 on right side and the axle housing group of located anteriorly axle assembly The right-hand member of part 21 is connected, the right-hand member phase of the rear end of the elastic component 50 on right side and the axle housing assembly 21 of the axle assembly being located behind Even, the elastic component 50 on right side is positioned at the top of two axle housing assemblies 21.
It is to say, according to the drive axle assemblies 10000 for vehicle of the present invention, be placed in bullet owing to axle housing assembly 21 is whole Property part less than 50, i.e. axle case assy 102 and electric power assembly 101 be respectively positioned on elastic component 50 (leaf spring) lower section so that electricity Power assembly 101 vibrates the impact on car load and greatly reduces, and draws high the comfortableness of car load, and drives process ring steady, green Guarantor, zero-emission, no pollution, low noise.
Balance shaft assembly 51 is fixed on vehicle frame 400, and balance shaft assembly 51 is positioned at two axle assemblies in the longitudinal direction Between, i.e. two axle assemblies lay respectively at the both sides of balance shaft assembly 51, and the middle part of each elastic component 50 is each attached to On balance shaft assembly 51, say, that balance shaft assembly 51 can as the connection member of elastic component 50 with vehicle frame 400, The middle part of the elastic component 50 in left side is fixed on the left end of balance shaft assembly 51, and the middle part of the elastic component 50 on right side is fixed on balance The right-hand member of axle assembly 51.Thus elastic component 50 is fixing more firm, and the two ends of the most each elastic component 50 are separately fixed at two On the end of the same side of axle housing assembly 21, and the middle part of each elastic component 50 is fixed in the respective end of balance shaft assembly 51.
Including as a example by least one of which leaf spring by elastic component 50, the middle part of elastic component 50 is fixed on balance axle by U-bolts 52 On assembly 51, i.e. at least one of which leaf spring is fixed on corresponding one end of balance shaft assembly 51 by U-bolts 52.
Alternatively, each elastic component 50 is fixed on the corresponding of balance axle by the U-bolts 52 that two fore-and-aft directions are spaced apart On end.
As Figure 1-Figure 5, the first distance rod group includes the most symmetrically arranged two the first subgroups, two One subgroup and two axle housing assembly 21 one_to_one corresponding, the most each first subgroup all includes multiple first distance rod 53, Mei Ge One distance rod 53 is both connected between vehicle frame 400 and corresponding axle housing assembly 21.
Second distance rod group includes the most symmetrically arranged two the second subgroups, two the second subgroups and two axle housings Assembly 21 one_to_one corresponding, each second subgroup all includes that multiple second distance rod 54, each second distance rod 54 are both connected to Between balance shaft assembly 51 and corresponding axle housing assembly 21.
In other words, any one first distance rod 53 in the first distance rod group is both connected to vehicle frame 400 and corresponding axle housing group Between part 21, any one second distance rod 54 in the second distance rod group is both connected to balance shaft assembly 51 and corresponding bridge Between shell component 21, by above-mentioned two distance rod group and balance shaft assembly 51 and the connection with vehicle frame 400 so that two The position of individual axle assembly relative frame 400 is fixed, and when the second axle assembly produces power, vehicle body is pushed advance.
In an embodiment specifically of the present invention, the first distance rod group is positioned at the top of the second distance rod group, Mei Ge One end of one distance rod 53 is connected with the middle part of corresponding axle housing assembly 21, and one end of the most each first distance rod 53 is the most logical Cross the first distance rod axle housing mounting seat 552 to be connected with the middle part of corresponding axle housing assembly 21, the first distance rod axle housing mounting seat 552 middle parts being fixed on axle housing assembly 21, and the first distance rod axle housing mounting seat 552 is positioned at the top of axle housing assembly 21.
The other end of each first distance rod 53 is connected with vehicle frame 400 by the first distance rod vehicle frame mounting seat 551, and first pushes away Power bar vehicle frame mounting seat 551 is fixed on vehicle frame 400, and the first distance rod vehicle frame mounting seat 551 is positioned at two axle housing assemblies The centre of 21.
In other words, each the most corresponding first distance rod axle housing mounting seat 552 of first distance rod 53 and first thrust Bar vehicle frame mounting seat 551, the front end of the first distance rod 53 in the first located anteriorly subgroup is pacified by the first distance rod axle housing Dress seat 552 is connected with the middle part of the axle housing assembly 21 in front, after the first distance rod 53 in the first located anteriorly subgroup End is connected with vehicle frame 400 by the first distance rod vehicle frame mounting seat 551；The first distance rod in the first subgroup being located behind The rear end of 53 is connected with the middle part of the axle housing assembly 21 at rear by the first distance rod axle housing mounting seat 552, is located behind The front end of the first distance rod 53 in the first subgroup is connected with vehicle frame 400 by the first distance rod vehicle frame mounting seat 551.
Preferably, one end of each first distance rod 53 is respectively positioned on the inner side of the other end of same first distance rod 53, the most just Being to say, each first distance rod 53 is all obliquely installed, and the first distance rod 53 in the first located anteriorly subgroup is from forward direction After stretch out, the first distance rod 53 in the first subgroup being located behind extends internally from front to back.
Preferably, the first distance rod vehicle frame mounting seat 551 is fixed on the inner side of vehicle frame 400, the thus knot of suspension system 500 Structure is more compact, and connects and assemble more convenient.Offer it is understood that vehicle frame 400 can include being spaced in left-right direction Two longerons put, the first distance rod vehicle frame mounting seat 551 in left side is positioned at the side rail inner in left side, first thrust on right side Bar vehicle frame mounting seat 551 is positioned at the side rail inner on right side.
In some concrete examples of the present invention, each first subgroup all includes two the first distance rods 53, and two first push away One end of power bar 53 is integrally formed, and the first distance rod axle housing mounting seat 552 corresponding with the first subgroup is two, and two One distance rod 53 is connected one to one with two the first distance rod axle housing mounting seats 552；First corresponding with the first subgroup pushes away Power bar vehicle frame mounting seat 551 is two, the other end of two the first distance rods 53 and two the first distance rod vehicle frame mounting seats 551 one_to_one corresponding.
In other words, two corresponding with two the first distance rod 53 structures of each first subgroup the first distance rod axle housing mounting seats 552 are integrated into a first distance rod V-arrangement axle housing mounting seat 556.
Preferably, first distance rod that the rear end with first distance rod 53 in the left side of the first subgroup being positioned at front side is connected Be connected one first of vehicle frame mounting seat 551 and the front end of the first distance rod 53 with the left side of the first subgroup being positioned at rear side pushes away Power bar vehicle frame mounting seat 551 may be integrally formed, with the rear end of the first distance rod 53 on the right side of the first subgroup being positioned at front side The first distance rod vehicle frame mounting seat 551 being connected and first distance rod 53 on the right side with the first subgroup being positioned at rear side The first distance rod vehicle frame mounting seat 551 that front end is connected may be integrally formed.The most integral part of two the first thrusts Bar vehicle frame mounting seat 551, structural strength is high, and the assembling with vehicle frame 400 is simpler.Alternatively, first after this is integrated pushes away Power bar vehicle frame mounting seat 551 can be threaded connection part and be fixed on vehicle frame 400.
In an embodiment specifically of the present invention, the first distance rod group is positioned at the top of the second distance rod group, Mei Ge One end of two distance rods 54 is connected with the end of corresponding axle housing assembly 21, and one end of the most each second distance rod 54 is the most logical Cross the second distance rod axle housing mounting seat 554 to be connected with the end of corresponding axle housing assembly 21, the second distance rod axle housing mounting seat 554 ends being fixed on axle housing assembly 21, and the second distance rod axle housing mounting seat 554 is positioned at the axle housing assembly 21 of correspondence Lower section.
The other end of each second distance rod 54 is connected with balance shaft assembly 51 by the second distance rod balance axle mounting seat 553, Second distance rod balance axle mounting seat 553 is fixed on the end of balance shaft assembly 51, corresponding with same second distance rod 54 The end of axle housing assembly 21 and the end of balance shaft assembly 51 be positioned at the same side of driving axis 1000.
In other words, each the most corresponding second distance rod axle housing mounting seat 554 of second distance rod 54 and second thrust Bar balance axle mounting seat 553, the second thrust is passed through in the front end of second distance rod 54 in the located anteriorly left side in the second subgroup Bar axle housing mounting seat 554 is connected with the left part of the axle housing assembly 21 in front, the of the located anteriorly right side in the second subgroup The front end of two distance rods 54 is connected with the right part of the axle housing assembly 21 in front by the second distance rod axle housing mounting seat 554； The rear end of second distance rod 54 in the located anteriorly left side in the second subgroup by the second distance rod balance axle mounting seat 553 with The left end of balance shaft assembly 51 is connected, and the rear end of second distance rod 54 on the located anteriorly right side in the second subgroup leads to Cross the second distance rod balance axle mounting seat 553 to be connected with the right-hand end of balance shaft assembly 51.
The second distance rod axle housing mounting seat 554 is passed through in the rear end of second distance rod 54 in the left side in the second subgroup being located behind It is connected with the left part of the axle housing assembly 21 at rear, after second distance rod 54 on the right side in the second subgroup being located behind End is connected with the right part of the axle housing assembly 21 at rear by the second distance rod axle housing mounting seat 554；The second son being located behind The front end of second distance rod 54 in the left side in group is by the second distance rod balance axle mounting seat 553 and balance shaft assembly 51 Left end is connected, and the front end of second distance rod 54 on the right side in the second subgroup being located behind is balanced by the second distance rod Axle mounting seat 553 is connected with the right-hand end of balance shaft assembly 51.
Preferably, one end of each second distance rod 54 is respectively positioned on the inner side of the other end of same second distance rod 54, the most just Being to say, each second distance rod 54 is all obliquely installed, and the second distance rod 54 in the second located anteriorly subgroup is from forward direction After extend internally, the second distance rod 54 in the second subgroup being located behind stretches out from front to back.
In some concrete examples of the present invention, each second subgroup all includes two the second distance rods 54, with the second subgroup The second corresponding distance rod axle housing mounting seat 554 is two.Further, as it is shown on figure 3, the bridge corresponding with the second subgroup Two the elastic component mounting seats 555 being respectively fixed at two ends with the most spaced apart setting of shell component 21, two elasticity Part mounting seat 555 and two the second distance rod axle housing mounting seat 554 one_to_one corresponding, each second distance rod axle housing mounting seat 554 Being each attached to the lower section of the elastic component mounting seat 555 of correspondence, each second distance rod balance axle mounting seat 553 is each attached to put down The lower section of weighing apparatus axle assembly 51.
In other words, the left end of the axle housing assembly 21 corresponding with the second subgroup fixes an elastic component mounting seat 555, a corresponding left side Second distance rod axle housing mounting seat 554 of end is fixed on the lower section of the elastic component mounting seat 555 of left end, corresponding with the second subgroup The lower section of left end of balance shaft assembly 51 fix a second distance rod balance axle mounting seat 553；Corresponding with the second subgroup The right-hand member of axle housing assembly 21 fixes an elastic component mounting seat 555, the second distance rod axle housing mounting seat 554 of corresponding right-hand member Being fixed on the lower section of the elastic component mounting seat 555 of right-hand member, the lower section of the right-hand member of the balance shaft assembly 51 corresponding with the second subgroup is solid A fixed second distance rod balance axle mounting seat 553.So, the second distance rod group is disposed entirely within the first distance rod group Lower section so that the top of axle assembly and lower section are all fixed with vehicle frame 400, such that it is able to make vehicle frame 400 and axle assembly Position is relatively fixed, and stress more balances, and load is more evenly distributed, and optimizes the arrangement of vehicle 100000.
Preferably, the two ends of each first distance rod 53 and the two ends of each second distance rod 54 are respectively provided with rubber bushing access node Structure, thus the first distance rod 53 and vehicle frame 400 and the junction of axle assembly, and the second distance rod 54 is total with balance axle Become 51 and the junction of axle assembly, be respectively provided with certain flexibility, good damping result, easy to connect.
Preferably, in some embodiments as Figure 1-Figure 5, two axle assemblies are electric drive axle assembly 100, And electric drive axle assembly 100 revolve turnback for another electric drive axle assembly 100 after formed, thus middle drive axle and Rear driving axle can share, and only need to develop an axle assembly, and four first distance rods 53 of the first distance rod group and the Four second distance rods 54 of two distance rod groups, each only need is developed a kind of state, is greatly reduced development cost.
In short, the drive axle assemblies 10000 for vehicle according to embodiments of the present invention, electric drive axle assembly 100 is by power Motor 11, variator 12 and axle case assy 102 are integrated in one, and compact conformation and transmission efficiency are high, and for vehicle Second axle assembly 1000 of drive axle assemblies 10000 all uses electric drive mode, and capacity usage ratio is high, response speed block, And having a higher power performance, the whole power section of vehicle 100000 is all located under elastic component 50 in addition, i.e. car load Vibration source is placed in elastic component 50 times, after the vibration damping of suspension system 500, and vibration weakening, car load comfortableness is greatly improved, And multiple parts (such as axle assembly, first distance rod the 53, second distance rod 54) can share, development cost is low.Excellent Selection of land, when two axle assemblies are electric drive axle assembly 100, two electric drive axle assemblies 100 can work asynchronously, Can also work independently, even if there being an electric drive axle assembly 100 another electric drive axle assembly 100 that can not work also can drive Dynamic car load runs, two independent power sources so that car load power is more powerful.
Electric drive axle assembly 100 according to embodiments of the present invention is described in detail referring to Fig. 6-Figure 15.Such as Fig. 6-Figure 15 institute The electric drive axle assembly 100 shown includes electric power assembly 101, axle case assy 102 and suspension arrangement.Alternatively, electric power Assembly 101 can be bolted on axle case assy 102 by multiple, thus is integrated into electric drive axle assembly 100.
As shown in Fig. 6, Fig. 7, Figure 10-Figure 14, electric power assembly 101 includes power motor 11, variator 12 and differential Device 13, electro-hydraulic gearshift perform module 15, and wherein variator 12 has variator 12 housing 121.
As shown in Figure 6, power motor 11 can be bolted on variator 12 housing 121 by multiple, multiple bolts Around being provided at circumferentially spaced of power motor 11.Power motor 11 can be permagnetic synchronous motor.Power motor 11 passes through three-phase Line external power supply, it is achieved power motor 11 drives.
As shown in Figure 10, power motor 11 includes active cooling structure.Active cooling structure is used for actively power motor 11 Cool down.In some optional embodiments, active cooling structure includes that the coolant circulation for power motor 11 cooling is logical Road 111, is cooled down power motor 11 by coolant circulation in coolant circulation passage 111.Such as Figure 10 institute Showing, coolant circulation passage 111 has entrance A and outlet B, and coolant can enter coolant circulation passage from entrance A 111, and after carrying out heat exchange with power motor 11, from outlet B output.
Thus, by making power motor 11 carry active cooling structure, it is possible to prevent power motor 11 overheated, indirectly promotes Efficiency, prevents power motor 11 from burning out, and can meet rotating speed high-power, high and long operational requirements, preferably with stir Mix the operating condition coupling of car, and may be used for light-duty to heavy complete set vehicle.
Preferably, active cooling structure can also include that coolant actuator, coolant actuator are located at coolant circulation passage To drive coolant to flow in coolant circulation passage 111 on 111.Alternatively, coolant actuator can be cooling oil Pump.Thus, active cooling structure carries coolant actuator, and degree of integration is high, and assembling is simple.
Certainly, in some optional embodiments of the present invention, coolant circulation passage 111 can also be with to be positioned at electric drive axle total The coolant becoming the outside of 100 connects, say, that coolant can be introduced from outside into, i.e. the cooling of active cooling structure Liquid circulation canal 111 can share coolant actuator with the coolant peripheral passage of other parts on trucd mixer.
Variator 12 housing 121 can be bolted on the axle housing assembly 21 of axle case assy 102.Axle housing assembly 21 Including axle housing 210 and cap 213.The middle part of axle housing 210 has the differential mechanism receiving space that both sides end face all opens wide, cap 213 side end faces opened wide being removably mounted on axle housing 210 middle part to close axle housing 210, variator 12 housing On the opposite side end face opened wide at 121 middle parts being fixed on axle housing 210.
Alternatively, cap 213 can be threaded connection part and be removably mounted on axle housing 210, specifically, as Fig. 6, Shown in Fig. 7 and Fig. 9, threaded connector is bolt 403, and cap 213 can be by being provided at circumferentially spaced along this cap 213 Multiple bolts 403 be threaded in axle housing 210 middle part open wide a side end face on.So, by by cap 213 Being removably mounted on axle housing 210, the installation that can make electric power assembly 101 is more convenient, and fixed structure is simple, behaviour Facilitate.Specifically, the cap 213 of a side end face (i.e. a side end face at wheel bag) at the middle part of axle housing 210 makes dress Join formula, electric power assembly 101 and the assembly difficulty of two semiaxis 22 can be efficiently reduced, be more beneficial for the dimension of differential mechanism 13 Repair.
Preferably, electric drive axle assembly 100 also includes that multiple bolt, variator 12 housing 121 are provided with multiple screwed hole, Axle housing 210 is provided with via the most multiple with multiple screwed holes, multiple bolts and multiple via one_to_one corresponding, each The screwed hole that bolt is fixed on correspondence through corresponding via is interior so that variator 12 housing 121 to be fixed on the middle part of axle housing 210 Open wide opposite side end face on.
It is to say, electric drive axle assembly 100 according to embodiments of the present invention, screwed hole is arranged on variator 12 housing 121 On, and via is arranged on axle housing 210, so in the case of ensureing bonding strength, it is also possible to make variator 12 volume to the greatest extent Measuring little, structure is the compactest.
Further, as Fig. 7 shows, the two ends (i.e. left end and right-hand member) of axle housing assembly 21 can be respectively welded and be fixed with two Axle tube 23.
Axle case assy 102 can also include 24, two brakes 25 and two of 20, two hub assemblies of two hub reduction gears Individual brake mounting board 214, each hub assembly 24 is all installed in rotation on accordingly on axle tube 23, and two and half Pipe spreader 23 is set in outside two semiaxis 22 correspondingly, and two hub reduction gears 20 and two hub assemblies 24 are one by one Correspondence, the input of each hub reduction gear 20 is connected with corresponding semiaxis 22, the outfan of each hub reduction gear 20 with Corresponding hub assembly 24 is connected.
In some specific embodiments of the present invention, as shown in Figure 8, hub reduction gear 20 is planetary reducer.OK Star gear reduction unit includes sun gear 202, planetary gear 203 and ring gear 204, and sun gear 202 is fixed on semiaxis 22, With with semiaxis 22 synchronous axial system, planetary gear 203 engages with sun gear 202 and ring gear 204 respectively, and ring gear 204 passes through Ring gear support 205 is fixed on the axle tube 23 of correspondence.Thus, volume is little, and transmission efficiency is high, and reduction range is wide.
Alternatively, as shown in Figure 8, hub reduction gear 20 includes hub reduction gear 20 housing 201, hub reduction gear 20 shell Body 201 can be fixed on hub assembly 24, reduces the volume of axle case assy 102, and compact conformation, joint the most further Save space.
Further, ring gear support 205 engages with ring gear 204, and planetary reducer can also include back-up ring 206, Back-up ring 206 is folded between ring gear support 205 and ring gear 204 diametrically, thus carries out ring gear 204 radially Spacing, preferably ensure that the assembly precision of hub reduction gear 20 and hub assembly 24.
Two brakes 25 and two hub assembly 24 one_to_one corresponding, i.e. one the corresponding hub assembly 24 of brake 25 So that this hub assembly 24 is braked.Two brake mounting boards 214 are respectively welded the two ends being fixed on axle housing assembly 21 On, two brakes 25 are threaded connection part and are fixed on correspondingly on two brake mounting boards 214, and two systems The brake drum 251 of dynamic device 25 is fixed on two hub assemblies 24 correspondingly.
Axle case assy 102 can also include two groups of axial limiting parts 27, two groups of axial limiting parts 27 and two hub assemblies 24 One_to_one corresponding, the i.e. one group corresponding hub assembly 24 of axial limiting part 27 is to carry out axial limiting to this hub assembly 24. Each ring gear support 205 is all set in by spline structure outside the axle tube 23 of correspondence, and often group axial limiting part 27 is equal Including stop nut 271 and locking gasket 272.Stop nut 271 and locking gasket 272 are all set in the half-axile sleeve of correspondence Outside pipe 23, and stop nut 271 is threaded with corresponding axle tube 23 with by corresponding ring gear 204 and corresponding Hub assembly 24 is pressed between locking gasket 272 with the brake drum 251 of corresponding brake 25.
It is understood that 23, two brakes of 24, two axle tubes of 20, two hub assemblies of two hub reduction gears 25, the equal one_to_one corresponding of two brake mounting boards, 27, two semiaxis of 214, two groups of axial limiting parts 22, and at the width of vehicle On degree direction, it is positioned at the two ends, left and right of axle housing assembly 21 with being respectively symmetrically.
Below as a example by right-hand member, describe the hub reduction gear 20 of this end, hub assembly 24, axle tube 23, brake 25, Brake mounting board 214, the annexation of axial limiting part 27 and position relationship:
Specifically, as shown in Figure 8, the right-hand member of axle housing assembly 21 is welded with an axle tube 23, the hub assembly of right-hand member 24 are installed in rotation on the axle tube 23 of right-hand member, and the axle tube 23 of right-hand member is set in outside the semiaxis 22 on right side. Hub assembly 24 is a part for wheel, and the rotation of hub assembly 24 can realize the rotation of wheel.More specifically, as Shown in Fig. 8, the right-hand member of the semiaxis 22 of right-hand member is through the axle tube 23 of right-hand member, and is threaded connection part (in Fig. 8 Bolt 406) tighten together with the hub reduction gear 20 (such as, hub reduction gear 20 housing 201) of right-hand member, right-hand member The left end of semiaxis 22 be connected with differential mechanism 13 by spline, the power that differential mechanism 13 is exported by the semiaxis 22 of right-hand member transmits To the input of the hub reduction gear 20 of right-hand member, through the deceleration of the hub reduction gear 20 of right-hand member, by power via right-hand member The outfan of hub reduction gear 20 passes to the hub assembly 24 of right-hand member and then drives vehicle wheel rotation.
The brake 25 of the right-hand member corresponding with the hub assembly 24 of right-hand member is arranged on the brake mounting board 214 of right-hand member, right The brake mounting board 214 of end is fixed on the right-hand member of axle housing assembly 21, and the brake drum 251 of the brake 25 of right-hand member is the most solid Be scheduled on the hub assembly 24 of right-hand member to rotate with hub assembly 24, such as brake mounting board 214 can sheathed and Being weldingly fixed on the axle housing 210 of axle housing assembly 21, the brake 25 of right-hand member is threaded connection part and is fixed on the system of right-hand member On dynamic device installing plate 214, and the brake drum 251 of the brake 25 of right-hand member can be fixed on the wheel hub of right-hand member by bolt 405 On assembly 24, wherein threaded connector and bolt 405 are multiple.The most in the axial direction, i.e. on the left and right directions of vehicle, The brake 25 of corresponding end is between the brake mounting board 214 and the hub assembly 24 of corresponding end of corresponding end.
The axial limiting part 27 corresponding with the hub assembly 24 of right-hand member is right-hand member group, then the stop nut 271 of right-hand member group and the right side The locking gasket 272 of end group is all set in outside the axle tube 23 of right-hand member, and the stop nut 271 of right-hand member group and the half of right-hand member Pipe spreader 23 is threaded so that the ring gear support 205 of right-hand member and the hub assembly 24 of right-hand member to be pressed on the locking of right-hand member group Between the brake drum 251 of the brake 25 of pad 272 and right-hand member.Thus hub assembly 24 can pass through stop nut 271 And the cooperation of the brake drum 251 of brake 25 carries out axial locking, in like manner, hub reduction gear 20 can also be by spacing The cooperation of the brake drum 251 of nut 271 and brake 25 carries out axial locking.Specifically, hub reduction gear 20 housing 201, the brake drum 251 of brake 25, a part for hub assembly 24 are fixed together by bolt 405.
Locking gasket 272 is possible to prevent stop nut 271 to get loose.Specifically, each hub assembly 24 all passes through hub bearing On 241 axle tubes 23 being rotatably sleeved on correspondence, axial limiting part 27 can adjust the play of hub bearing 241.
By above description, those skilled in the art, can derive the hub reduction gear 20 of left end, hub assembly 24, Axle tube 23, brake 25, brake mounting board 214, the annexation of axial limiting part 27 and position relationship, This describes the most in detail.
Preferably, axle case assy 102 can also include that two abs sensor assemblies, two abs sensor assemblies can lead to Cross threaded connector to be fixed on correspondingly on two brake mounting boards 214, i.e. the abs sensor assembly of left end is fixed On the brake mounting board 214 of left end, the abs sensor assembly of right-hand member is fixed on the brake mounting board 214 of right-hand member. Alternatively, threaded connector can be screw.
Specifically, the induction gear ring of the transducer magnetic head of abs sensor assembly and hub assembly 24 forms induced voltage when rotating Signal, signal exports control system (ECU of such as vehicle), locking when control system control brake 25 is braked.
Preferably, as shown in Figure 10, electric power assembly 101 can also include that electro-hydraulic gearshift performs module 15, and electro-hydraulic gearshift is held Row module 15 is used for controlling variator 12, and electro-hydraulic gearshift performs module 15 and is arranged on variator 12 housing 121.Should Electro-hydraulic gearshift performs equipped with the sensor matched and delicate flow valve in module 15, and outside electronic control unit is permissible Responded by the signal collected, it is possible to be accurately controlled the switching speed of variator 12, the time point of gear switching, make Variator 12 smooth gear shifting, fast response time, maneuverability are good, and can reduce driving fatigue.
Differential-speed lock mechanism is arranged on variator 12, and differential-speed lock mechanism is arranged to optionally by two semiaxis 22 One with the differential casing locking of the differential mechanism 13 of integrated electric drive axle.
The operation principle of differential-speed lock mechanism is, when driving wheel-slip for one, with semiaxis 22, differential casing is locked into one Body, makes differential mechanism 13 lose differential action, such that it is able to all torsion torque is transferred on the driving wheel of opposite side, for fortune The engineering truck particular importance that row easily skids at muddy road.
Axle case assy 102 according to embodiments of the present invention, by arranging differential-speed lock mechanism, can make differential mechanism 13 according to vehicle Different driving cycles, it is achieved differential mechanism 13 differential function or the differential function of releasing differential mechanism 13, are particularly well-suited to severe work The trucd mixer that condition is run, trucd mixer has strong impetus, and differential-speed lock mechanism is integrated on variator 12, compact conformation, Firmly installing, working stability, reliability is high, makes that electric drive axle assembly 100 reliability is higher, function is more perfect.
Variator includes transmission power input unit and transmission power output unit.Transmission power input unit and power motor Motor output shaft is joined directly together, and transmission power output unit is configured and adapted to defeated from the power in transmission power input unit Go out to differential mechanism, and exported to the wheel of dumper to drive dumper to travel by differential mechanism.Alternatively, as it is shown in figure 5, Differential mechanism 13 can be bearing on case of transmission 121 by differential bearing.
Electric power assembly 101 can also include that power takeoff 14, power takeoff 14 include power takeoff input and power takeoff outfan. Power takeoff input is arranged to and at least one linkage in transmission power input unit and transmission power output unit.Namely Saying, power takeoff input can be arranged to link with transmission power input unit, and power takeoff input can also be arranged to and become Speed device power output unit linkage, power takeoff input can also be arranged to and transmission power input unit linkage and simultaneously and speed change Device power output unit links.The action referred between two parts that wherein " links " has actively and driven relation, one Component actuation drives another component actuation.
Power takeoff outfan is arranged to be selectively engageable power takeoff input to export the power from power takeoff input. During it is to say, power takeoff outfan engages with power takeoff input, power takeoff outfan can be by from power takeoff input Power exports to device 16 to be driven.
Alternatively, power takeoff 14 is fixed on case of transmission 121, say, that power takeoff 14 is integrated in transmission case On body 121, the thus more compact structure of electric power assembly 101.Specifically, power takeoff 14 can include power takeoff housing 141, this power takeoff housing 141 is connected with case of transmission 121 or power takeoff housing 141 and case of transmission 121 one Formed.
When variator 12 only needs to drive dumper, the power of power motor 11 passes sequentially through transmission power input unit, change Speed device power output unit, differential mechanism 13 export to the wheel of dumper, thus drive dumper to travel.
When needs drive device 16 to be driven, a part for the power of power motor 11 passes sequentially through transmission power input Portion, transmission power output unit, differential mechanism 13 export to the wheel of dumper.Another part of the power of power motor 11 Pass sequentially through at least one in transmission power input unit and transmission power output unit, power takeoff input, power takeoff defeated Go out end output to device 16 to be driven.
In a specific embodiment of the present invention, device 16 to be driven is an oil pump, and this oil pump is at power takeoff 14 Under driving, high pressure liquid force feed can be produced, can be that the automobile-bucket lifting mechanism etc. of dumper provides power source, meet car load other The demand of power.
It is to say, the electric drive axle assembly 100 for dumper according to embodiments of the present invention, by arranging power takeoff 14, Power can be exported mechanism in need, more market demand can be met, make electric drive axle assembly 100 more practical.This Outward, due to power takeoff input and at least one linkage in transmission power input unit and transmission power output unit, thus Drive disk assembly is few, and transmission efficiency is high, and can reduce rate of breakdown, reduces manufacturing cost.
Power takeoff input can include that power take-off gear k3, power takeoff outfan can include power taking axle V, as shown in figure 13, Power taking axle V can be bearing on power takeoff housing 141 by power takeoff bearing 142.Power take-off gear k3 empty set is at power taking axle V On, i.e. power take-off gear k3 can rotate relative to power taking axle V, say, that when power take-off gear k3 rotates, power taking axle V can not Rotate.
Power takeoff 14 can also include that power taking lock unit S3, power taking lock unit S3 are arranged to optionally synchronize power taking tooth Wheel k3 and power taking axle V.It is to say, when device 16 to be driven needs power, power taking lock unit S3 is by power take-off gear K3 is synchronize with power taking axle V, thus the power that power take-off gear k3 exports is exported to device 16 to be driven by power taking axle V.When treating When driving means 16 need not power, power take-off gear k3 separates with power taking axle V, and power take-off gear k3 can dally around power taking axle V.
In a specific embodiment of the present invention, as shown in figures 11-14, multiple power transmission shafts can include the first axle I, Second axle the II, the 3rd axle the III and the 4th axle IV.First axle the I, second axle the II, the 3rd axle the III and the 4th axle IV all passes through bearing It is bearing on case of transmission 121.Specifically, as shown in Figure 11, Figure 12 and Figure 14, first axle the I, second axle II, 3rd axle the III and the 4th axle IV all extends along the width of dumper, the width of the dumper i.e. left and right directions of dumper, Power motor 11 can be arranged in the right side of case of transmission 121.
First axle I is connected with the motor output shaft VI of power motor 11, such as, shown in Figure 11, the first axle I exports with motor Axle VI can be connected by spline structure, and specifically, the first axle I has internal spline, and motor output shaft VI has interior with this The external splines of spline fitted.Certainly, the first axle I can also be connected by shaft coupling with motor output shaft VI.According to the present invention The electric power assembly 101 of embodiment, by the motor output shaft VI of power motor 11 and the first axle I being joined directly together, passes Dynamic chain is short, and simple in construction.
As shown in Figure 11 and Figure 14, the first axle I is fixed with input gear q, i.e. input gear q can be same with the first axle I Step rotates, and the second axle II is fixed with idle pulley q ', i.e. idle pulley q ' can be with the second axle II synchronous axial system, and idle pulley q ' is with defeated Enter gear q engagement.
As shown in figure 14, the 3rd axle III includes the first shaft part III-1 and the second shaft part III-2 being coaxially disposed, and the second shaft part III -2 are arranged to optionally engage with the first shaft part III-1, say, that the second shaft part III-2 can be with the first shaft part III -1 engages with the first shaft part III-1 synchronous axial system, and the second shaft part III-2 and the first shaft part III-1 can also the most individually rotate.
As shown in figure 14, one end of the first shaft part III-1 is set in outside the second shaft part III-2, the i.e. second shaft part III-2 close One end of first shaft part III-1 is bearing on the first shaft part III-1, and the first shaft part III-1 is further supported on case of transmission 121, Specifically, the first shaft part III-1 is hollow axle, and the first shaft part III-1 has dead eye, close the first of the second shaft part III-2 One end of shaft part III-1 is bearing in the dead eye of the first shaft part III-1 (internal perisporium of the i.e. first shaft part III-1) by bearing B1 In, the first shaft part III-1 (periphery wall of the i.e. first shaft part III-1) is bearing on case of transmission 121 also by bearing B2, Bearing B1 includes a pair taper roll bearing being positioned at one end that the second axle II holds, and bearing B2 includes laying respectively at the first shaft part Two cylinder roller bearings at the two ends of III-1.Arranged by this inside and outside different types of bearing, make being subject to of the 3rd axle III Power is more reasonable, indirectly extends the service life of variator 12.
Be fixed with on first shaft part III-1 first gear k1, the i.e. first gear k1 can with the first shaft part III-1 synchronous axial system, And first shaft part III-1 when not engaging with the second shaft part III-2, the first gear k1 can relative second shaft part III-2 freely rotatable, When first shaft part III-1 engages with the second shaft part III-2, the first gear k1 also can with the second shaft part III-2 synchronous axial system, First gear k1 engages with idle pulley q ', and the second shaft part III-2 is set with multiple gear driven gear, i.e. gear driven gear Can rotate relative to the second shaft part III-2, say, that when gear driven gear rotates, the second shaft part III-2 can not rotate.
Being fixed with the second gear k2 and multiple gear driving gear on 4th axle IV, the i.e. second gear k2 can be with the 4th axle IV Each of which in synchronous axial system, and multiple gear driving gear can be with the 4th axle IV synchronous axial system.Second gear k2 and first Gear k1 engages, and multiple gear driving gears engage correspondingly with multiple gear driven gears.
Alternatively, the 3rd axle III has multiple with length and the structure of the 4th axle IV, on the 3rd axle the III and the 4th axle IV, and engagement Gear also have different logarithms, thus variator 12 has more gear to export.
Wherein, the first axle I, input gear q, the second axle II, idle pulley q ' constitute transmission power input unit, the 3rd axle III, First gear k1, the 4th axle the IV, second gear k2, multiple gear driving gear and multiple gear driven gear constitute variator Power output unit.
Further, as shown in figure 14, the second shaft part III-2 being further fixed on output gear z, i.e. output gear z can be with Second shaft part III-2 synchronous axial system, output gear z can engage with the differential mechanism driven gear z ' of differential mechanism 13, thus will The power of power motor 11 output, is delivered to differential mechanism 13 through variator 12, and drives semiaxis 22 by differential mechanism 13 And wheel, it is achieved dumper travels.
It is further preferred that input gear q, idle pulley q ', the first gear k1, the second gear k2, multiple gear driving gear It is angular gear with multiple gear driven gears.Output gear z is also angular gear.Thus, electric power assembly 101 Travelling gear all uses angular gear, and whole variator 12 stable drive, noise is low, transmission efficiency is high and driving torque is big.
In a specific embodiment of the present invention, multiple gear driven gears include that gear driven gear 1 ', two gear is driven Gear 2 ' and three gear driven gears 3 '.Multiple gear driving gears include that a gear driving gear 1, two keeps off driving gear 2 and Three gear driving gears 3, a gear driven gear 1 ' engages with a gear driving gear 1, two gear driven gears 2 ' and two keep off actively Gear 2 engages, and three gear driven gears 3 ' engage with three gear driving gears 3.
Transmission power output unit can also include one or four gear lock unit S1 and two or three gear lock unit S2.One or four gear lock unit S1 It is arranged to optionally in the first shaft part III-1 and gear driven gear 1 ' be engaged with the second shaft part III-2.Also That is, the second shaft part III-2 can be engaged by one or four gear lock unit S1 and the first shaft part III-1 with the first shaft part III-1 Synchronous axial system, or the second shaft part III-2 can by one or four gear lock unit S1 with a gear driven gear 1 ' joint so that second Shaft part III-2 and one keep off driven gear 1 ' synchronous axial system, or the second shaft part III-2 can also be positioned at the most not with the first shaft part III -1 engages the centre position not engaged with a gear driven gear 1 '.
Two or three gear lock unit S2 are arranged to optionally by two gear driven gears 2 ' and three gear driven gears 3 ' Engage with the second shaft part III-2.It is to say, the second shaft part III-2 can be by two or three gear lock unit S2 and two gear driven tooth Wheel 2 ' joint is so that the second shaft part III-2 and two keeps off driven gear 2 ' synchronous axial system, or the second shaft part III-2 can pass through Two or three gear lock unit S2 and three gear driven gears 3 ' engage so that the second shaft part III-2 and three keeps off driven gear 3 ' synchronous axial system, Or the second shaft part III-2 can also be positioned at and not engage with two gear driven gears 2 ' and do not engage with three gear driven gears 3 ' Centre position.
Wherein, as shown in figure 14, output gear z is positioned between a gear driven gear 1 ' and two gear driven gears 2 '.By The more compact structure of this variator 12.
In this four speed transmission 12, the two ends of the first axle I are bearing in case of transmission by paired taper roll bearing On 121, idle pulley q ' is connected by inside and outside spline structure with the second axle II, and the second axle II is rolled by the circular cone that two ends are paired Sub-bearing is bearing on case of transmission 121, three gear driven gears 3 ', two gear driven gears 2 ' and a gear driven gear 1 ' It is connected on the second shaft part III-2 by bearing fit, two or three gear lock unit S2, one or four gear lock unit S1 and output gear z Coordinated by spline structure and be connected on the second shaft part III-2.Second gear k2 is connected at the 4th axle by spline structure On IV, three gear driving gears 3, two gear driving gears 2 and a gear driving gear 1 are all connected the by spline structure On four axles IV.Differential mechanism driven gear z ' can be fixedly mounted on differential mechanism 13 to be threaded connection the form of part or welding On, drive differential mechanism 13 to rotate.
From the above description it can be seen that the invention provides a four speed transmission 12, speed ratio is big, moment of torsion is big, it is stronger to have Power performance, preferable maneuverability, the use requirement of heavy goods vehicles can be met.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " 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 for only for ease of the description present invention and simplify description rather than instruction or hint institute The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this Bright restriction.
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 be expressed Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For For those of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary, Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment It is changed, revises, replaces and modification.

Claims (22)

1. the drive axle assemblies for vehicle, it is characterised in that including:
Driving axis, described driving axis includes two axle assemblies of the most spaced apart setting, each described Axle assembly all includes that axle case assy, described axle case assy include axle housing assembly and two semiaxis, and two described semiaxis are positioned at institute State in axle housing assembly；
At least one in two described axle assemblies is electric drive axle assembly, and described electric drive axle assembly also includes that electric power is total Becoming and suspension arrangement, described electric power assembly includes that power motor, variator, differential mechanism, described variator have variator Housing, described power motor is fixed on described case of transmission, described differential mount on described case of transmission, institute Stating differential mechanism and be positioned at described axle housing assembly, described case of transmission is fixed on described axle housing assembly, and described variator includes Multiple power transmission shafts, the plurality of power transmission shaft sets gradually from the top down, described suspension arrangement be connected to described electric power assembly with Between the vehicle frame of described vehicle；
Suspension system, each described axle assembly is all connected by the vehicle frame of described suspension system with described vehicle.
Drive axle assemblies for vehicle the most according to claim 1, it is characterised in that described suspension system includes edge Two elastic components of the spaced apart setting of left and right directions, the two ends of each described elastic component are connected with two described axle housing assemblies respectively, Each described elastic component is respectively positioned on the top of two described axle housing assemblies.
Drive axle assemblies for vehicle the most according to claim 2, it is characterised in that described suspension system also includes:
Balance shaft assembly, described balance shaft assembly is fixed on described vehicle frame and to be positioned at two described vehicle bridge in the longitudinal direction total In the middle of becoming, the middle part of each described elastic component is each attached on described balance shaft assembly.
Drive axle assemblies for vehicle the most according to claim 3, it is characterised in that described elastic component includes at least One laminate spring.
Drive axle assemblies for vehicle the most according to claim 4, it is characterised in that the middle part of described elastic component leads to Cross U-bolts to be fixed on described balance shaft assembly.
Drive axle assemblies for vehicle the most according to claim 3, it is characterised in that described suspension system also includes First distance rod group of the most spaced apart setting and the second distance rod group；
Described first distance rod group includes the most symmetrically arranged two the first subgroups, two described first subgroups with Two described axle housing assembly one_to_one corresponding, each described first subgroup all includes multiple first distance rod, and each described first pushes away Power bar is both connected between described vehicle frame and corresponding described axle housing assembly；
Described second distance rod group includes the most symmetrically arranged two the second subgroups, two described second subgroups with Two described axle housing assembly one_to_one corresponding, each described second subgroup all includes multiple second distance rod, and each described second pushes away Power bar is both connected between described balance shaft assembly and corresponding described axle housing assembly.
Drive axle assemblies for vehicle the most according to claim 6, it is characterised in that
One end of each described first distance rod is connected with the middle part of corresponding described axle housing assembly, each described first distance rod The other end be connected with described vehicle frame by the first distance rod vehicle frame mounting seat, described first distance rod vehicle frame mounting seat is fixed on On described vehicle frame and be positioned at the centre of two described axle housing assemblies.
Drive axle assemblies for vehicle the most according to claim 7, it is characterised in that each described first distance rod One end be respectively positioned on the inner side of the other end of same described first distance rod.
Drive axle assemblies for vehicle the most according to claim 7, it is characterised in that each described first distance rod One end be all connected by the middle part of the first distance rod axle housing mounting seat and corresponding described axle housing assembly, described first distance rod Axle housing mounting seat is fixed on the middle part of described axle housing assembly and is positioned at the top of described axle housing assembly.
Drive axle assemblies for vehicle the most according to claim 9, it is characterised in that each described first subgroup All including two described first distance rods, the described first distance rod axle housing mounting seat corresponding with described first subgroup is two, And two described first distance rod axle housing mounting seats are integrally formed；
The described first distance rod vehicle frame mounting seat corresponding with described first subgroup is two, two described first distance rods another One end and two described first distance rod vehicle frame mounting seat one_to_one corresponding.
11. drive axle assemblies for vehicle according to claim 7, it is characterised in that described first distance rod car Frame mounting seat is fixed on the inner side of described vehicle frame.
12. drive axle assemblies for vehicle according to claim 6, it is characterised in that
One end of each described second distance rod is connected with the end of corresponding described axle housing assembly, each described second distance rod The other end by second distance rod balance axle mounting seat be connected with described balance shaft assembly, described second distance rod balance axle pacifies Dress seat is fixed on the end of described balance shaft assembly, the end of the described axle housing assembly corresponding with same described second distance rod With the same side that the end of described balance shaft assembly is positioned at described driving axis.
13. drive axle assemblies for vehicle according to claim 12, it is characterised in that each described second thrust One end of bar is respectively positioned on the inner side of the other end of same described second distance rod.
14. drive axle assemblies for vehicle according to claim 12, it is characterised in that each described second thrust One end of bar is all connected with the end of corresponding described axle housing assembly by the second distance rod axle housing mounting seat, described second thrust Bar axle housing mounting seat is fixed on the end of described axle housing assembly and is positioned at the lower section of corresponding described axle housing assembly.
15. drive axle assemblies for vehicle according to claim 14, it is characterised in that each described second subgroup All including two the second distance rods, the described second distance rod axle housing mounting seat corresponding with described second subgroup is two；
The described axle housing assembly corresponding with described second subgroup be respectively fixed at two ends with the two of the most spaced apart setting Individual elastic component mounting seat, two described elastic component mounting seats and two described second distance rod axle housing mounting seat one_to_one corresponding, often Individual described second distance rod axle housing mounting seat is each attached to the lower section of the described elastic component mounting seat of correspondence；
Each described second distance rod balance axle mounting seat is each attached to the lower section of balance shaft assembly.
16. drive axle assemblies for vehicle according to claim 6, it is characterised in that each described first thrust The two ends of bar and each described second distance rod are respectively provided with ball articulated structure.
17. drive axle assemblies for vehicle according to claim 1, it is characterised in that the plurality of power transmission shaft bag Include:
First axle, described first axle is fixed with input gear, and described first axle is connected with described motor output shaft；
Second axle, described second axle is fixed with idle pulley, and described idle pulley engages with described input gear；
3rd axle, described 3rd axle includes the first shaft part and the second shaft part being coaxially disposed, and described second shaft part is arranged to optional Engage with described first shaft part to selecting property, described first shaft part is fixed with the first gear, described first gear and described idle pulley Engagement, described second shaft part is set with multiple gear driven gear；
4th axle, described 4th axle is fixed with the second gear and multiple gear driving gear, described second gear and described the One gear engagement, multiple described gear driving gears engage correspondingly with multiple described gear driven gears.
18. drive axle assemblies for vehicle according to claim 17, it is characterised in that the plurality of gear is driven Gear includes a gear driven gear, two gear driven gears and three gear driven gears；
The plurality of gear driving gear include with described one gear driven gear engage one gear driving gear and described two keep off from The two of moving gear engagement keep off driving gears and the three gear driving gears engaged with described three gear driven gears；
Described variator also includes:
One or four gear lock units, described one or four gear lock units are arranged to optionally by driven to described first shaft part and a described gear In gear one engages with described second shaft part；
Two or three gear lock units, described two or three gear lock units are arranged to optionally by described two gear driven gear and described three gears In driven gear one engages with described second shaft part.
19. according to the drive axle assemblies for vehicle according to any one of claim 1-18, it is characterised in that two institutes State axle assembly and be described electric drive axle assembly, and two described electric drive axle assemblies to be arranged to a described electric drive axle total Become another described electric drive axle assembly to be formed after the axis being perpendicular to fore-and-aft direction rotates 180 °.
20. drive axle assemblies for vehicle according to claim 19, it is characterised in that also include: two motors Controller, two described electric machine controllers and two described electric drive axle assembly one_to_one corresponding, and each described electric machine controller Individually control the described power motor of corresponding described electric drive axle assembly.
21. according to the drive axle assemblies for vehicle according to any one of claim 1-19, it is characterised in that two institutes One stated in axle assembly is electric drive axle assembly, and another in two described axle assemblies is driven bridge.
22. 1 kinds of vehicles, it is characterised in that including: according to the driving for vehicle according to any one of claim 1-21 Dynamic axle assemble.
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CN111907282A (en) * 2019-05-09 2020-11-10 比亚迪股份有限公司 Vehicle with a steering wheel
CN112026513A (en) * 2020-09-07 2020-12-04 中国第一汽车股份有限公司 Disconnecting device and coaxial electric drive system
CN112124059A (en) * 2019-06-25 2020-12-25 比亚迪股份有限公司 Electric vehicle
CN112477686A (en) * 2020-12-15 2021-03-12 浙江吉利控股集团有限公司 Electric-changing type carrying vehicle without intermediate transmission shaft
CN112644273A (en) * 2019-10-10 2021-04-13 阿文美驰技术有限责任公司 Axle assembly with differential assembly
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RU2818396C2 (en) * 2020-12-15 2024-05-02 Чжэцзян Джили Холдинг Груп Ко., Лтд Vehicle with possibility of battery replacement without transmission intermediate shaft

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WO2017114422A1 (en) * 2015-12-31 2017-07-06 Byd Company Limited Vehicle and electric drive axle assembly for vehicle
WO2017114420A1 (en) * 2015-12-31 2017-07-06 Byd Company Limited Vehicle and drive axle unit for vehicle
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RU2818396C2 (en) * 2020-12-15 2024-05-02 Чжэцзян Джили Холдинг Груп Ко., Лтд Vehicle with possibility of battery replacement without transmission intermediate shaft
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