CN203580592U - Second-gear transaxle assembly of electric vehicle - Google Patents

Second-gear transaxle assembly of electric vehicle Download PDF

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Publication number
CN203580592U
CN203580592U CN201320683679.XU CN201320683679U CN203580592U CN 203580592 U CN203580592 U CN 203580592U CN 201320683679 U CN201320683679 U CN 201320683679U CN 203580592 U CN203580592 U CN 203580592U
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China
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gear
shaft
axle
speed
output shaft
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Expired - Fee Related
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CN201320683679.XU
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Chinese (zh)
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崔胜民
宋金平
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    • 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
    • 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
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

The utility model relates to variable speed drive systems special for electric vehicles, and discloses a second-gear transaxle assembly of an electric vehicle. The second-gear transaxle assembly of the electric vehicle is provided with an axle housing, wherein an electromotor, a second-gear transmission, a main reducer and a differential mechanism are arranged on the axle housing; a main shaft of the electromotor is connected with an input shaft of the second-gear transmission; an output shaft of the second-gear transmission is connected with a shell of the differential mechanism through the main reducer; two pyramid type center wheels of the differential mechanism are connected with a left half shaft and a right half shaft of the electric vehicle respectively; the two ends of the left half shaft and the right half shaft are provided with drive wheels; the axis of the main shaft of the electromotor is perpendicular to the axes of the left half shaft and the right half shaft; the main reducer is composed of two bevel gears which are meshed with each other; the driving bevel gear of the main reducer is arranged on the output shaft of the second-gear transmission; the driven bevel gear of the main reducer is arranged on the shell of the differential mechanism. The second-gear transaxle assembly of the electric vehicle is compact in structure, occupied space is saved, and as the geometric dimensions of the left half shaft and the right half shaft are uniform, product production and cost reduction are facilitated.

Description

Electronlmobil two gear variable speed drive (VSD) axle assemblies
Technical field
The utility model relates to the special-purpose variable speed drive system of electronlmobil, says in detail it is a kind of electronlmobil two gear variable speed drive (VSD) axle assemblies two gear speed changing functions, that adaptation ability is strong that possess.
Background technology
We know, in order to improve electronlmobil maximum travel speed, adaptive capacity to road, performance power system of electric automobile flexible arrangement, simple and weight-saving advantage, reduce frictional loss, improve driving efficiency, acceleration capability, people have researched and developed second gear variable speed model and have driven bridge-type electronlmobil.As shown in Figure 1, the structure of existing second gear variable speed model drive axle is: axle housing is provided with electrical motor, two speed gear, main reduction gear, diff, wherein motor main shaft and left half axle, right axle shaft is parallel, motor main shaft is connected with two speed gear input shaft, two speed gear output shaft is connected with differential casing through main reduction gear, two satellite gear main shafts of diff are connected on differential casing, main reduction gear is comprised of two intermeshing cylindrical wheels, the driving gear of main reduction gear is located on the output shaft of two speed gear, the driven gear of main reduction gear is located on differential casing, two pyramid type center gears (also claiming sun wheel) of diff are left half axle and the right axle shaft of connecting electric automobile respectively, left half axle and right axle shaft two ends are provided with drive wheel.Its power transmission line is: electrical motor → change-speed box → main reduction gear → diff → semiaxis → drive wheel.Main improvements are that conventional electric vehicle transmission is made into the change-speed box that transmitting ratio can change than fixing retarder.1,2 two gears of change-speed box operated by rotary motion, adopt 1 gear during low speed driving, adopt 2 gears while running at high speed.Owing to suitably having expanded speed ratio width, can bring into play preferably the power producing characteristics of electrical motor, can meet again the requirement of electronlmobil to tractive force and speed, strengthened the adaptive capacity to road.Variable speed model drive axle structure is compact, lightweight, flexible arrangement, and aspect of performance is taken into account electronlmobil to large traction and high-speed requirement, therefore becomes the desired configuration of small-sized transmission system of electric automobile.The constructional feature of this current class variable speed model drive axle is: each keeps off change gear mechanism and gear pair for main gearbox all adopts the design of parallel-axes gears drive mechanism, that is: the active of main reduction gear, driven gear adopt column type gear, the input shaft of change-speed box, output shaft and main reduction gear active, driven gear axis are parallel to each other between (comprising semiaxis), form generally electrical motor horizontal, and formed " in parallel " arrangement form with drive axle.This " parallel connection " form has reduced the size that dynamic assembly (being mainly electrical motor) takies vehicle body longitudinal length relatively, is conducive to battery pack in layout and the installation at chassis middle part.But then, electrical motor adopts lateral arrangement also can bring other problem:
(1) electrical motor and speed changing assembly have taken most of horizontal space of drive axle installation place, chassis, make main reduction gear be difficult to be arranged on the midway location of drive axle, form biasing, cause the length of left and right two semiaxis in bridge inconsistent, after loading, can there is certain deviation because of the inconsistent tractive force of left and right sidesing driving wheel that causes of torsional stiffness in two semiaxis, thus the stability that has reduced tractive force limit and travelled;
(2) electrical motor lateral arrangement, makes the case of transmission of accepting electrical motor and drive axle bear larger torque load, particularly jolts and impacts load, larger on the intensity of housing and impact fatigue life.Therefore this structure is unfavorable for the lightweight of driving device and the configuration of high-power engine installation;
(3) main reduction gear driving gear and driven gear must adopt cylindrical gear, when the larger transmitting ratio of needs, will certainly strengthen flower wheel reference diameter (driving wheel minimum number of teeth is restricted) or increase countershaft-gear transmitting ratio, change-speed box width between centers is increased, elongate the distance between electrical motor and drive axle, make electrical motor lateral arrangement take the advantage that longitudinal space is little and do not existed.Therefore, expanding space of this arrangement structure can be restricted, and is unfavorable for the design of high-power change-speed box.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of electrical motor longitudinally to arrange, motor main shaft is vertical with left half axle, the right axle shaft of electronlmobil, and left half axle is identical with right axle shaft length, the electronlmobil two gear variable speed drive (VSD) axle assemblies that adaptation ability is strong, performance is good.
The utility model solves the technical scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of electronlmobil two gear variable speed drive (VSD) axle assemblies, be provided with axle housing, axle housing is provided with electrical motor, two speed gear, main reduction gear, diff, motor main shaft is connected with two speed gear input shaft, two speed gear output shaft is connected with differential casing through main reduction gear, two pyramid type center gears of diff are left half axle and the right axle shaft of connecting electric automobile respectively, left half axle and right axle shaft two ends are provided with drive wheel, it is characterized in that described motor main shaft axis and left half axle, the axis of right axle shaft is vertical, main reduction gear is comprised of two intermeshing finishing bevel gear cuters, the drive bevel gear of main reduction gear is located on the output shaft of two speed gear, the driven wheel of differential of main reduction gear is located on differential casing.It is vertical that the utility model forms variator axis and main reduction gear driven gear shaft line by the main reduction gear being comprised of two finishing bevel gear cuters, thereby form on the whole variator axis and drive axle axis is vertical stratification; Change-speed box and main reduction gear share same housing and supporting construction, and change-speed box and main reduction gear and diff are become one, and form two complete gear gear assemblies, have compact conformation, joint space-efficient advantage.
Two speed gear described in the utility model is parallel input shaft and the output shaft of being provided with in case of transmission, input shaft is provided with a gear driving gear and two gear driving gears, on output shaft, through bearing, be provided with a gear driven gear and two gear driven gears, the output shaft between a gear driven gear and two gear driven gears is provided with synchronous gearshift.Simple in structure, not easy to wear, long service life.
Synchronous gearshift described in the utility model is at a gear driven gear and two gears, on the output shafts between driven gears, to be provided with not only with output shaft synchronous, to rotate but also meshing cover in axial sliding.On one gear driven gear and two gear driven gears, be provided with meshing cover opposite side the combination tooth matching with meshing cover, meshing cover is connected with gear level through shift fork.Under the meshing promotion that is enclosed within shift fork, along output shaft, do forward and backward movement, by the combination tooth meshing gearshifts that realize one, two gears respectively of blocking with a gear and two, the synchronous gearshift of this structure is simple in structure, not fragile, easy to maintenance, convenient, long service life.
The utility model is because motor axis, variator axis and drive axle axis (being the axis of left half axle and right axle shaft) are vertical stratification, main reduction gear can be arranged on to the midway location of drive axle, make the more reasonable stress of left and right half, torsional stiffness reaches unanimity, guaranteed the raising of tractive force limit and riding stability, meanwhile, left and right half geometric identity, is conducive to production and reduces costs; Transmission output shaft and main reduction gear driving gear are coaxial, have shortened axial dimension, make power and drive assembly along vehicle body longitudinally overall dimensions shorten, more compact structure, is conducive to the mounting arrangements of battery pack or other parts, assembly; Electric current while more effectively reducing electronlmobil heavy duty, starting and climbing and the electric current of running at high speed, reduced battery load, is conducive to extending battery life, increases continual mileage.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing electronlmobil two gear transaxles.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of synchronous gearshift in the utility model.
The specific embodiment
As Fig. 2, electronlmobil two gear variable speed drive (VSD) axle assemblies shown in Fig. 3, be provided with axle housing 9, axle housing 9 is provided with electrical motor 2, two speed gear 1, main reduction gear, diff 6, electrical motor 2 main shafts are connected with the input shaft 3 of two speed gear 1, two speed gear output shaft 15 is connected with the housing of diff 6 through main reduction gear, 6 two pyramid type center gears 11 of diff, 10(also claims sun wheel) respectively left half axle 13 and the right axle shaft 7 of connecting electric automobile, left half axle 13 and right axle shaft 7 two ends are provided with drive wheel 8, described motor main shaft axis and left half axle, the axis of right axle shaft is vertical, main reduction gear is comprised of two intermeshing finishing bevel gear cuters, the drive bevel gear 14 of main reduction gear is located on the output shaft 15 of two speed gear, the driven wheel of differential 12 of main reduction gear is located on differential casing.It is vertical that the utility model forms variator axis and main reduction gear driven gear shaft line by the main reduction gear being comprised of two finishing bevel gear cuters, thereby form on the whole variator axis and drive axle axis is vertical stratification; Change-speed box and main reduction gear share same housing and supporting construction, and change-speed box and main reduction gear and diff are become one, and form two complete gear gear assemblies.
The utility model further improves, described two speed gear is parallel input shaft 3 and the output shaft 15 of being provided with in case of transmission, input shaft is provided with a gear driving gear 5 and two gear driving gears 4, the output shaft being provided with between a gear driven gear 16 and two gear driven gear 18, one gear driven gears and two gear driven gears through bearing on output shaft is provided with synchronous gearshift 17; Synchronous gearshift 17 is on the output shafts 15 between a gear driven gear 16 and two gear driven gears 18, to be provided with not only with output shaft synchronous, to rotate but also meshing cover 23 in axial sliding, meshing block set in meshing cover adopts spline to be connected with output shaft, meshing cover both relatively output shaft 15 be in axial sliding, with output shaft 15, synchronously rotate again simultaneously.On one gear driven gear and two gear driven gears, be provided with meshing cover opposite side the combination tooth 19,21 matching with meshing cover, meshing cover 23 is connected with gear level 22 through shift fork 20.The synchronous gearshift of this structure is simple in structure, and not easy to wear, damage is easy to maintenance, convenient, long service life.
During work: when electronlmobil is when the operating modes such as starting, low speed (speed of a motor vehicle u≤25 km) or climb very steep slopes (following unified referred to as low speed operating mode), need electrical motor and driving system that enough large tractive force can be provided, this just needs transmission system that larger overall gear ratio can be provided i a , utilize the deceleration (referring to rotating speed) of transmission system to increase torsion effect, the output torque of electrical motor (being moment of torsion) is amplified, semiaxis to drive wheel, then by the rubbing effect on drive wheel and ground, is propulsive effort torque conversion the transmission of torque after amplifying.For this reason, the utility model is the transmitting ratio of the gear of one in change-speed box i g1be designed to maximum, by i g1transmitting ratio with main reduction gear i 0product obtain overall gear ratio i a , i a = i g1* i 0, overall gear ratio i a it is maximum that value reaches, so adopt a gear job during low vehicle speeds.Operating principle is, chaufeur is by handling gear level, shift fork and synchronized gearshift, promote meshing cover and complete with the combination tooth of a gear driven gear completely meshingly, make a gear driving gear and a gear driven gear form a gear driving gear pair, obtain a gear transmitting ratio i g1; When vehicle low cruise operating mode finishes to enter the speed of a motor vehicle (speed of a motor vehicle u > 25 km) or while running at high speed the stage of cruising, vehicle needs transmission system can export higher rotating speed, demand to tractive force reduces relatively, therefore needs driving system can reduce overall gear ratio i a , by accelerating (referring to rotating speed), subtract the torsion effect raising speed of a motor vehicle.For this reason, change-speed box proceeds to two gear work, the transmitting ratio of two gears i g2be worth lowlyer, make overall gear ratio i a = i g2* i 0value decreases, and therefore makes output speed improve.Operating principle is, chaufeur is by handling gear level, shift fork and synchronized gearshift, promote meshing cover and complete with the combination tooth of two gear driven gears completely meshingly, make two gear driving gears and two gear driven gears form two gear driving gear pairs, obtain two gear transmitting ratios i g2thereby, realize i a = i g2* i 0the target of=minimum value.
Because motor axis, variator axis and drive axle axis (being the axis of left half axle and right axle shaft) are vertical stratification, there is following advantage in the utility model:
(1) power and drive assembly are longitudinally " series connection " version, have greatly improved the stressing conditions of case of transmission, make it no longer bear larger torque load.Reasonably force structure has improved organism fatigue life-span and load-carrying capacity, is also conducive to realize the lightweight of change-speed box;
(2) axis vertical-transmission (axis of electrical motor, change-speed box and main reduction gear flower wheel axis, drive axle axis vertical) structure design, main reduction gear can be arranged on to the midway location of drive axle, make the more reasonable stress of left and right half, torsional stiffness reaches unanimity, guaranteed the raising of tractive force limit and riding stability, meanwhile, left and right half geometric identity, is conducive to production and reduces costs;
(3) transmission output shaft and main reduction gear driving gear are coaxial, have shortened axial dimension, make power and drive assembly along vehicle body overall dimensions shortening longitudinally, are conducive to the mounting arrangements of battery pack or other parts, assembly;
(4) driving efficiency is high.Two stage speed change speed ratio width of the present utility model is larger, the available overall gear ratio of series of products i a =3.536 ~ 15.519 is optional.Can adopt different gears according to different load and driving cycle, greatly improve drive system efficiency.Make vehicle possess stronger adaptive capacity;
(5) electric current while more effectively reducing electronlmobil heavy duty, starting and climbing and the electric current of running at high speed, reduced battery load, is conducive to extending battery life, increases continual mileage;
(6) hill climbing ability is strong, the speed of a motor vehicle is high.The two gear speed changes that speed ratio is wide in range, make the dynamic characteristic of electrical motor obtain relatively fully playing.Current variable speed model drive axle, between gear, the ratio of transmitting ratio is many in 1.8 left and right, and the utility model is by adopting advanced simultaneous techniques can make ratio reach more than 2.9, and the hill climbing ability of vehicle is greater than 30%, maximum speed surpasses 100km/h;
(7) two shift transmissions and main reduction gear (containing diff) adopt Integration Design, make two gear transaxle compact overall structure, quality light.By adjusting 1,2 gear transmitting ratio and base ratios, can form different overall gear ratio series of products.The electrical motor that can mate maximum power 20kW, can provide supporting for the following different automobile types of total mass 3000kg.

Claims (3)

1. an electronlmobil two keeps off variable speed drive (VSD) axle assemblies, be provided with axle housing, axle housing is provided with electrical motor, two speed gear, main reduction gear, diff, motor main shaft is connected with two speed gear input shaft, two speed gear output shaft is connected with differential casing through main reduction gear, two pyramid type center gears of diff are left half axle and the right axle shaft of connecting electric automobile respectively, left half axle and right axle shaft two ends are provided with drive wheel, it is characterized in that described motor main shaft axis and left half axle, the axis of right axle shaft is vertical, main reduction gear is comprised of two intermeshing finishing bevel gear cuters, the drive bevel gear of main reduction gear is located on the output shaft of two speed gear, the driven wheel of differential of main reduction gear is located on differential casing.
2. electronlmobil two according to claim 1 keeps off variable speed drive (VSD) axle assemblies, it is characterized in that described two speed gear is parallel input shaft and the output shaft of being provided with in case of transmission, input shaft is provided with a gear driving gear and two gear driving gears, on output shaft, through bearing, be provided with a gear driven gear and two gear driven gears, the output shaft between a gear driven gear and two gear driven gears is provided with synchronous gearshift.
3. electronlmobil two according to claim 2 keeps off variable speed drive (VSD) axle assemblies, it is characterized in that described synchronous gearshift is on the output shafts between a gear driven gear and two gear driven gears, to be provided with not only with output shaft synchronous, to rotate but also meshing cover in axial sliding, on one gear driven gear and two gear driven gears, be provided with meshing cover opposite side the combination tooth matching with meshing cover, meshing cover is connected with gear level through shift fork.
CN201320683679.XU 2013-11-01 2013-11-01 Second-gear transaxle assembly of electric vehicle Expired - Fee Related CN203580592U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120389A (en) * 2017-06-16 2017-09-01 江苏安捷利机电科技有限公司 A kind of special rear axle of electric automobile gear train
CN107139717A (en) * 2017-06-27 2017-09-08 南京越博动力系统股份有限公司 Electric car two keeps off transaxle and its driving method
CN108518473A (en) * 2018-04-26 2018-09-11 徐工集团工程机械有限公司 A kind of vehicle primary actuator and its control method
CN109372950A (en) * 2018-12-25 2019-02-22 东风商用车有限公司 Longitudinal coaxial gear-changeable electric drive axle reduction box assembly
CN109695686A (en) * 2018-12-07 2019-04-30 一汽解放汽车有限公司 A kind of drive axle double speed decelerator structure of bi-bevel gear
IT201900010098A1 (en) * 2019-06-26 2020-12-26 Merlo Project Srl ELECTRIC FORKLIFT
CN112572131A (en) * 2020-12-15 2021-03-30 浙江吉利控股集团有限公司 Multi-motor hybrid power driving device and vehicle
US20230113055A1 (en) * 2020-04-01 2023-04-13 Kessler & Co. Gmbh & Co. Kg Axle drive
FR3137617A1 (en) * 2022-07-07 2024-01-12 Renault S.A.S MOTOR VEHICLE AXLE WITH ELECTRIC MOTORIZATION AND HIGH GROUND CLEARANCE

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120389A (en) * 2017-06-16 2017-09-01 江苏安捷利机电科技有限公司 A kind of special rear axle of electric automobile gear train
CN107139717A (en) * 2017-06-27 2017-09-08 南京越博动力系统股份有限公司 Electric car two keeps off transaxle and its driving method
CN108518473B (en) * 2018-04-26 2023-06-02 江苏徐工工程机械研究院有限公司 Main driver of vehicle and control method thereof
CN108518473A (en) * 2018-04-26 2018-09-11 徐工集团工程机械有限公司 A kind of vehicle primary actuator and its control method
CN109695686A (en) * 2018-12-07 2019-04-30 一汽解放汽车有限公司 A kind of drive axle double speed decelerator structure of bi-bevel gear
CN109695686B (en) * 2018-12-07 2024-02-23 一汽解放汽车有限公司 Driving axle double-speed reducer structure with double bevel gears
CN109372950A (en) * 2018-12-25 2019-02-22 东风商用车有限公司 Longitudinal coaxial gear-changeable electric drive axle reduction box assembly
EP3757058A1 (en) * 2019-06-26 2020-12-30 Merlo Project S.r.l. An electric lifting truck
IT201900010098A1 (en) * 2019-06-26 2020-12-26 Merlo Project Srl ELECTRIC FORKLIFT
US20230113055A1 (en) * 2020-04-01 2023-04-13 Kessler & Co. Gmbh & Co. Kg Axle drive
US12072001B2 (en) * 2020-04-01 2024-08-27 Kessler & Co. Gmbh & Co. Kg Axle drive
CN112572131A (en) * 2020-12-15 2021-03-30 浙江吉利控股集团有限公司 Multi-motor hybrid power driving device and vehicle
FR3137617A1 (en) * 2022-07-07 2024-01-12 Renault S.A.S MOTOR VEHICLE AXLE WITH ELECTRIC MOTORIZATION AND HIGH GROUND CLEARANCE

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Granted publication date: 20140507

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