CN107344488A - Pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle - Google Patents
Pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle Download PDFInfo
- Publication number
- CN107344488A CN107344488A CN201610297919.0A CN201610297919A CN107344488A CN 107344488 A CN107344488 A CN 107344488A CN 201610297919 A CN201610297919 A CN 201610297919A CN 107344488 A CN107344488 A CN 107344488A
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- Prior art keywords
- gear
- output shaft
- commercial vehicle
- pure
- wall
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- 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.)
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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
-
- 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
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- 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
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The present invention discloses a kind of two grades of transaxles of pure electric commercial vehicle and pure electric commercial vehicle, it includes motor, two speed gear, main reducing gear, differential mechanism, banjo axle, Wheel-side planetary reducer and driving wheel, motor is fixedly connected on two speed gear housing, and two speed gear is fixedly attached on axle housing.There is two speed gear input shaft, output gear, 2 gear trains and 1 to slidably engage set.Each gear train includes active roller gear and passive roller gear.Slidably engage and be set between the passive roller gear of first gear group and the passive roller gear of second gear group, slidably engage to be enclosed in splined hub and slide, splined hub is fixedly connected with output shaft；When slidably engaging set and sliding to side, output shaft and the engagement of first gear group；When slidably engaging set and sliding to opposite side, output shaft and the engagement of second gear group.The invention has the advantages that：It is compact-sized；It is in light weight；System effectiveness is high, saves electric energy；Large speed ratio can be realized.
Description
Technical field
The invention belongs to pure electric commercial vehicle driveline product field.More specifically, the present invention is a kind of pure electronic business
With two grades of transaxles of car, the transaxle is integrated with horizontal motor and roller gear speed changer, is
A kind of rear wheel drive bridge that can realize two grades of speed changing functions.
Background technology
Existing pure electric commercial vehicle dynamical system is primarily present the following two kinds form：One kind is that motor passes through biography
Moving axis directly imparts power to drive axle, and another kind is that motor connection gearbox is passed by power transmission shaft again afterwards
Graduating power is to drive axle.The shortcomings that the first form, includes：Motor weight is big；Moment of torsion and the range of speeds are narrow；
System high efficiency rate region is small；Structure is not compact enough.Second of form has as a drawback that：Structure is not compact enough；Into
This height；Gross weight is big.
The content of the invention
The present invention provides a kind of pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle.
In the present invention, transaxle mainly by motor, two speed gear, main reducing gear, differential mechanism,
Banjo axle, Wheel-side planetary reducer and driving wheel etc. form.
There is two speed gear input shaft, output gear, 2 gear trains and 1 to slidably engage set.
The housing of two speed gear have the first wall, the second wall, the 3rd wall connected between the first and the second wall,
The 4th wall being connected with motor and the 5th wall being connected with axle housing.First and second gear trains are arranged in above-mentioned shell
In vivo.First gear group is close to the first wall, and second gear group is close to the second wall.
In addition, the first gear group of two speed gear includes active roller gear and passive roller gear, active cylinder
Gear is fixedly connected with input shaft, and passive roller gear is supported on output shaft by bearing.Second gear group is also wrapped
Active roller gear and passive roller gear are included, active roller gear is fixedly connected with input shaft, passive roller gear
It is supported on by bearing on output shaft.
In addition, two speed gear, which has one, slidably engages set.The above-mentioned set that slidably engages can slide in splined hub,
Splined hub is fixedly connected with output shaft.When slidably engaging set and sliding to side, output shaft and the engagement of side driven gear,
Realize a kind of power transmission of fast ratio；When slidably engaging set and sliding to opposite side, output shaft and opposite side driven gear
Engagement, realize the power transmission of another fast ratio；When slidably engage set positioned at it is middle when, speed changer is in neutral gear shape
State.
On the other hand, the invention provides the main reducing gear being made up of the active and passive gear of external toothing cylinder.The master subtracts
The driving gear of fast device is the output gear of above-mentioned speed changer, and driven gear is connected with differential casing.Differential mechanism
Power is transferred to left and right wheels side planetary reducer by left and right axle shaft gear by semiaxis respectively, then driving moment
Realize the traveling of vehicle.Above-mentioned wheel side planetary reducer includes gear ring, planetary gear, planet carrier and sun gear
Deng.Wherein, gear ring is fixedly connected with axle housing, and sun gear is fixedly connected with semiaxis, planet carrier be fixedly attached to wheel hub,
Wheel rim and wheel.
The technical scheme is that：
A kind of two grades of transaxles of pure electric commercial vehicle, it is characterised in that
Including motor, two speed gear, main reducing gear, differential mechanism；
Motor is fixedly attached on two speed gear housing；
Two speed gear includes input shaft, first gear group, second gear group, output shaft, output gear and cunning
Dynamic engaging cover type gearshift；
First gear group includes active roller gear and passive roller gear, and active roller gear is fixed with input shaft to be connected
Connect, passive roller gear is supported on output shaft by bearing；
Second gear group includes active roller gear and passive roller gear, and active roller gear is fixed with input shaft to be connected
Connect, passive roller gear is supported on output shaft by bearing；
Slidably engage shell type gearshift be arranged on first gear group passive roller gear and second gear group it is passive
Between roller gear, slidably engaging shell type gearshift includes slidably engaging set, splined hub, slidably engages and is enclosed on flower
Slided on key hub, splined hub is fixedly connected with output shaft；
When slidably engaging set and sliding to side, the passive roller gear engagement of output shaft and first gear group；When slip is nibbled
When trap slides to opposite side, the passive roller gear engagement of output shaft and second gear group.
Further, the housing of two speed gear has the first wall, the second wall, connected between the first and the second wall
The 3rd wall, the 4th wall being connected with motor and the 5th wall being connected with axle housing, the first and second gear train cloth
Put in housing, first gear group is close to the first wall, and second gear group is close to the second wall.
Further, input shaft one end is supported by left bearing by the first wall, and the other end is by right bearing by the second wall
Supporting；Output gear is fixedly connected with output shaft, and output gear, output shaft are respectively by bearing by the first wall and
Two walls support.
Further, first gear group is different from the gearratio of second gear group.
Further, when slidably engaging set to a Slideslip, splined hub is connected with the first intermediate member, with limit
The passive roller gear of first gear group processed is rotated relative to output shaft, and the power of input shaft is transmitted by first gear group
To output shaft；When slidably engaging set to another Slideslip, splined hub is connected with the second intermediate member, with limitation
Relative to the rotation of output shaft, the power of input shaft transmitted the passive roller gear of second gear group by second gear group
To output shaft.
Further, slidably engage set positioned at it is middle when, two speed gear is in neutral state.
Further, in addition to banjo axle, Wheel-side planetary reducer and driving wheel, motor pass through two grades
Transmission input shaft imparts power to two speed gear, and the output gear of two speed gear is the active of main reducing gear
Gear, the power of two speed gear output pass to left and right semiaxis via main reducing gear, differential mechanism, then through third wheel side
Planetary reduction gear is transferred to left and right wheelses.
Further, main reducing gear includes external toothing column type driving gear, driven gear, the active of main reducing gear
Gear is the output gear of two speed gear, and the driven gear of main reducing gear is connected with differential casing；Differential mechanism
Power is transferred to left and right wheels side planetary reducer by left and right axle shaft gear by semiaxis respectively, then driving moment
Realize the traveling of vehicle.
Further, wheel side planetary reducer includes gear ring, planetary gear, planet carrier and sun gear, wherein,
Gear ring is fixedly connected with axle housing, and sun gear is fixedly connected with semiaxis, and planet carrier is fixedly attached to wheel hub, wheel rim and car
Wheel.
A kind of pure electric commercial vehicle, it uses a kind of above-mentioned pure two grades of transaxles of electric commercial vehicle.
The present invention has but is not limited to, all or part of advantage：It is compact-sized, in light weight, system effectiveness is high, section
About electric energy, large speed ratio can be realized.
Brief description of the drawings
Fig. 1 is a kind of signal of one embodiment of pure two grades of transaxles of electric commercial vehicle based on the present invention
Figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.Describe substantially only to be exemplary, and unlimited below
The use range of the fixed present invention.
As shown in figure 1, pure two grades of transaxles of electric commercial vehicle are mainly by motor 202, two speed transmission
14th, main reducing gear 60, differential mechanism 220, banjo axle 230, the and of left/right Wheel-side planetary reducer 310/320
Left/right driving wheel 252/254 forms.
Speed changer 10 is lateral gear, and the speed changer includes case of transmission 14, input shaft 12, output gear
60A and gear train 18 etc..Input shaft 12 is connected with the armature spindle 204 of motor 202.Output gear 60A
Engaged with main reducing gear driven gear 60B.
Case of transmission 14 includes the first wall 102, the second wall 104, the 3rd wall 106, the 4th wall 105 and the
Five walls 108 form.3rd wall connects the first and second walls, and the 4th wall 105 passes through bolt 162 and motor 202
Connection, the 5th wall 108 are connected by bolt 164 with axle housing 230.Input shaft 12 is by left bearing 72 by first
Wall 102 supports, and is supported by right bearing 74 by the second wall 104.Output gear 60A fixes with output shaft 30 to be connected
Connect, the latter is supported by clutch shaft bearing 82 and second bearing 88 by the first wall 102 and the second wall 104 respectively.Become
Fast device gear train 18, and the space for slidably engaging set 40 and being respectively positioned on the encirclement of case of transmission 14 for gearshift
It is interior.
Transmission gear system 18 includes first gear group 20 and second gear group 22.
First gear group 20 includes the passive roller gear 20B of the first active roller gear 20A and first.First master
Dynamic roller gear 20A is fixedly connected with input shaft 12, to rotate jointly.First passive roller gear 20B passes through
3rd bearing 84 is supported on output shaft 30, and both can be with the coaxial rotation of different rotating speeds.Second gear group 22 includes
The passive roller gear 22B of second active roller gear 22A and second.Second active roller gear 22A and input shaft
12 are fixedly connected, to rotate jointly.Second passive roller gear 22B is supported on output shaft by fourth bearing 86
On 30, both can be with the coaxial rotation of different rotating speeds.
The shift process of speed changer 10 is as follows：Splined hub 44 is fixedly connected with output shaft 30, slidably engages set 40
It can be horizontally slipped in splined hub 44.When slidably engage set 40 slide to the left when, by splined hub 44 and pars intermedia
Part 42 connects, the rotation with the first passive roller gear 20B of limitation relative to output shaft 30, at this moment input shaft 12
Power output shaft 30 is passed to by first gear group 20；When slidably engage set 40 slide to the right when, by spline
Hub 44 and intermediate member 46 connect, to limit rotations of the second passive roller gear 22B relative to output shaft 30,
At this moment the power of input shaft 12 passes to output shaft 30 by second gear group 22；It is located at when slidably engaging set 40
During centre position, speed changer 10 is in neutral state.
Speed changer 10 can realize two kinds of different fast ratios between input shaft 12 and output gear 60A.Assuming that first
The tooth ratio (passive Tooth Number of Gear/active Tooth Number of Gear) of gear train 20 is i01, second gear group 22
Tooth ratio be i02.When slidably engaging set 40 and sliding to the left, the fast ratio of speed changer 10 is i01.When slidably engaging
When set 40 slides to the right, the fast ratio of speed changer 10 is i02.Reversing is inverted by motor and realized.
Main reducing gear 60 is made up of active roller gear 60A and passive roller gear 60B, wherein active Cylinder Gear
Wheel 60A is the output gear of speed changer 10.The power that speed changer 10 exports is via main reducing gear 60 and differential
Device 220 passes to left half axle 242 and right axle shaft 244, and left and right semiaxis passes through revolver side planetary gearsets 310 respectively again
Left wheel 252 and right wheel 254 are transferred power to right wheel side planetary gearsets 320.Wherein, revolver side row
Star gear train 310 include gear ring 310A, one group of planetary gear 310D of rotatable supporting planet carrier 310B and
Sun gear 310C.Gear ring 310A is fixedly connected with axle housing 230, and sun gear 310C fixes with left half axle 242 to be connected
Connect, planet carrier 310B is fixedly connected with left wheel hub (not shown).Right wheel side planetary gearsets 320 include
One group of gear ring 320A, rotatable supporting planetary gear 320D planet carrier 320B and sun gear 320C.Gear ring
320A is fixedly connected with axle housing 230, and sun gear 320C is fixedly connected with right axle shaft 244, planet carrier 320B with
Right wheel hub (not shown) is fixedly linked.
Description of the invention is substantially only exemplary, and any modification without departing from main idea of the present invention is included in this
Within the scope of invention.
Claims (10)
- A kind of 1. two grades of transaxles of pure electric commercial vehicle, it is characterised in thatIncluding motor, two speed gear, main reducing gear, differential mechanism；Motor is fixedly attached on two speed gear housing；Two speed gear include input shaft, first gear group, second gear group, output shaft, output gear with And slidably engage shell type gearshift；First gear group includes active roller gear and passive roller gear, and active roller gear is consolidated with input shaft Fixed connection, passive roller gear are supported on output shaft by bearing；Second gear group includes active roller gear and passive roller gear, and active roller gear is consolidated with input shaft Fixed connection, passive roller gear are supported on output shaft by bearing；Slidably engage passive roller gear and second gear group that shell type gearshift is arranged on first gear group Between passive roller gear, slidably engaging shell type gearshift includes slidably engaging set, splined hub, and slip is nibbled Trap is slided in splined hub, and splined hub is fixedly connected with output shaft；When slidably engaging set and sliding to side, the passive roller gear engagement of output shaft and first gear group；Work as cunning When dynamic engaging sleeve slides to opposite side, the passive roller gear engagement of output shaft and second gear group.
- 2. a kind of pure two grades of transaxles of electric commercial vehicle according to claim 1, it is characterised in that two grades The housing of speed changer has the first wall, the second wall, the 3rd wall connected between the first and the second wall and driven 4th wall of dynamic motor connection and the 5th wall being connected with axle housing, the first and second gear trains are arranged in housing, First gear group is close to the first wall, and second gear group is close to the second wall.
- A kind of 3. pure two grades of transaxles of electric commercial vehicle according to claim 1, it is characterised in that input Axle one end is supported by left bearing by the first wall, and the other end is supported by right bearing by the second wall；Output gear It is fixedly connected with output shaft, output gear, output shaft are supported by bearing by the first wall and the second wall respectively.
- 4. a kind of pure two grades of transaxles of electric commercial vehicle according to claim 2, it is characterised in that first Gear train is different from the gear ratio of second gear group.
- 5. a kind of pure two grades of transaxles of electric commercial vehicle according to any one of claims 1 to 4, its feature exist In, when slidably engage set to a Slideslip when, splined hub is connected with the first intermediate member, to limit first The passive roller gear of gear train is rotated relative to output shaft, and the power of input shaft is passed to by first gear group Output shaft；When slidably engaging set to another Slideslip, splined hub is connected with the second intermediate member, with limit For the passive roller gear of second gear group processed relative to the rotation of output shaft, the power of input shaft passes through second gear Group passes to output shaft.
- 6. a kind of pure two grades of transaxles of electric commercial vehicle according to any one of claims 1 to 4, its feature exist In, slidably engage set positioned at it is middle when, two speed gear is in neutral state.
- 7. a kind of pure two grades of transaxles of electric commercial vehicle according to any one of claims 1 to 4, its feature exist In, in addition to banjo axle, Wheel-side planetary reducer and driving wheel, motor pass through two speed gear Input shaft imparts power to two speed gear, and the output gear of two speed gear is the driving tooth of main reducing gear Wheel, the power of two speed gear output pass to left and right semiaxis via main reducing gear, differential mechanism, then through third wheel Side planetary reduction gear is transferred to left and right wheelses.
- 8. a kind of pure two grades of transaxles of electric commercial vehicle according to any one of claims 1 to 4, its feature exist In main reducing gear includes external toothing column type driving gear, driven gear, and the driving gear of main reducing gear is The output gear of two speed gear, the driven gear of main reducing gear are connected with differential casing；A left side for differential mechanism Power is transferred to left and right wheels side planetary reducer by right axle shaft gear by semiaxis respectively, then drives car Wheel realizes the traveling of vehicle.
- A kind of 9. pure two grades of transaxles of electric commercial vehicle according to claim 8, it is characterised in that wheel side Planetary reducer includes gear ring, planetary gear, planet carrier and sun gear, wherein, gear ring is consolidated with axle housing Fixed connection, sun gear are fixedly connected with semiaxis, and planet carrier is fixedly attached to wheel hub, wheel rim and wheel.
- 10. a kind of pure electric commercial vehicle, it is characterised in that any described a kind of pure using the claims 1 to 9 Two grades of transaxles of electric commercial vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297919.0A CN107344488A (en) | 2016-05-06 | 2016-05-06 | Pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297919.0A CN107344488A (en) | 2016-05-06 | 2016-05-06 | Pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107344488A true CN107344488A (en) | 2017-11-14 |
Family
ID=60253714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610297919.0A Pending CN107344488A (en) | 2016-05-06 | 2016-05-06 | Pure two grades of transaxles of electric commercial vehicle and pure electric commercial vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107344488A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD821930S1 (en) | 2016-06-06 | 2018-07-03 | Axletech International Ip Holdings, Llc | Gearbox assembly for an axle |
| CN108859711A (en) * | 2018-06-29 | 2018-11-23 | 山东蓬翔汽车有限公司 | A kind of integrated form different capacity Dual-motors Driving bridge with parking brake |
| CN109334421A (en) * | 2018-11-28 | 2019-02-15 | 山东蓬翔汽车有限公司 | A kind of motor postposition Dual-speed-ratio drive axle of heavy truck with centre brake |
| CN109895620A (en) * | 2017-12-08 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of drive assembly and vehicle |
| CN109955703A (en) * | 2017-12-22 | 2019-07-02 | 东风德纳车桥有限公司 | A kind of external hanging type Dual-motors Driving car axle assembly |
| CN110091666A (en) * | 2018-01-29 | 2019-08-06 | 舍弗勒技术股份两合公司 | Electric axle for motor vehicles |
| CN110315966A (en) * | 2019-06-28 | 2019-10-11 | 童鹤林 | A kind of electronic rear axle speed change system of pickup truck |
| CN110657207A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN111791954A (en) * | 2020-06-22 | 2020-10-20 | 东风商用车有限公司 | Pure electric truck chassis adopting through longitudinal beam frame |
| CN113573932A (en) * | 2019-02-28 | 2021-10-29 | 艾里逊变速箱公司 | Axle assembly for low floor vehicle |
| US11247556B2 (en) | 2015-12-17 | 2022-02-15 | Allison Transmission, Inc. | Axle assembly for a vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11247556B2 (en) | 2015-12-17 | 2022-02-15 | Allison Transmission, Inc. | Axle assembly for a vehicle |
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| CN110657207A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN108859711A (en) * | 2018-06-29 | 2018-11-23 | 山东蓬翔汽车有限公司 | A kind of integrated form different capacity Dual-motors Driving bridge with parking brake |
| CN109334421A (en) * | 2018-11-28 | 2019-02-15 | 山东蓬翔汽车有限公司 | A kind of motor postposition Dual-speed-ratio drive axle of heavy truck with centre brake |
| CN109334421B (en) * | 2018-11-28 | 2024-04-05 | 山东蓬翔汽车有限公司 | Motor rear-mounted double-speed specific gravity type truck drive axle with central brake |
| US11970053B2 (en) | 2019-02-28 | 2024-04-30 | Allison Transmission, Inc. | Axle assembly for low floor vehicle |
| CN113573932A (en) * | 2019-02-28 | 2021-10-29 | 艾里逊变速箱公司 | Axle assembly for low floor vehicle |
| CN110315966A (en) * | 2019-06-28 | 2019-10-11 | 童鹤林 | A kind of electronic rear axle speed change system of pickup truck |
| CN111791954A (en) * | 2020-06-22 | 2020-10-20 | 东风商用车有限公司 | Pure electric truck chassis adopting through longitudinal beam frame |
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Application publication date: 20171114 |