CN108501696A - A kind of electric drive rear axle assy for light medium sized vehicle - Google Patents
A kind of electric drive rear axle assy for light medium sized vehicle Download PDFInfo
- Publication number
- CN108501696A CN108501696A CN201810297880.1A CN201810297880A CN108501696A CN 108501696 A CN108501696 A CN 108501696A CN 201810297880 A CN201810297880 A CN 201810297880A CN 108501696 A CN108501696 A CN 108501696A
- Authority
- CN
- China
- Prior art keywords
- gear
- electric drive
- driving
- rear axle
- axle
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- 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
- 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
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
Abstract
The present invention provides a kind of electric drive rear axle assys in light medium sized vehicle, including：Electric drive rear axle housing assembly；Driving motor, for providing driving force, axis is parallel with the wheel axis of vehicle but not coaxial；Speed reducer assembly, with driving motor it is relatively independent be fixed on together at the driving rear axle housing assembly, and detachably connected with driving motor, the driving force for providing driving motor carries out deceleration torque；And differential assembly, left half axle and right axle shaft for the driving force after deceleration torque to be respectively allocated to the vehicle, and it is transferred to by the left half axle and the right axle shaft left wheel and right wheel of the vehicle, to drive the vehicle to travel.The gear of speed reducer assembly is all made of involute cylindrical gear, with the gear torque capacity having the same when driving motor rotates and reverse.It is possible thereby to realize the transmission of forward and reverse same torque capacity, ensure that the service life of speed reducer assembly does not reduce while improving energy recovery rate.
Description
Technical field
The present invention relates to electric drive rear axle assy fields, more particularly to a kind of electric drive rear axle for light medium sized vehicle
Assembly.
Background technology
Recently, electric commercial vehicle growth momentum is very swift and violent, and electric drive axle technology has also obtained unprecedented development machine
Meeting.But traditional electric commercial vehicle replaces primary motivation and speed changer, scheme to be to be provided to move by driving motor using motor
The problem of power is transmitted to common drive axle by transmission shaft, then realizes vehicle operation to wheel, this scheme is brought is the reduction of bottom
The contradiction of disk arrangement space, especially pure electric vehicle and hybrid electric vehicle, space layout is more prominent.Currently, electric drive axle cloth
It sets there are many schemes, such as：
The first is coaxial-type electric drive axle, and motor output shaft line and wheel axis are coaxial, motor and retarder complete set
At in vehicle bridge.Such electric drive axle has as a drawback that：A. motor reducer assembly quality is big and is all unsprung mass, motor
Housing assy carries simultaneously with axle housing, there is tired risk；B. deceleration mechanism is complicated, and requirement on machining accuracy is high, and service life is not easy to protect
Card；C. motor carries simultaneously with axle housing, and electrical machinery life and housing assy overall stiffness are closely related, limits axle assembly load-carrying properties
Strictly, bad adaptability；D. because of oversized, the bad adaptability of motor and retarder；E. application limitation is strong, is only used for light-duty
Vehicle, low-speed vehicle can not match air braking system.
Second is parallel-axis type electric drive axle, and the electrical axis of such electric drive axle is parallel and different from wheel axis
Axis.Such electric drive axle has as a drawback that：A. motor is integrated in retarder, complicated, and difficult, cost is replaced in repair
It is high；B. deceleration mechanism is complicated, and carries gearshift, and overall weight is big, is affected to suspension system performance, and axle housing uses the longevity
Life and retarder connector are not easy to ensure safely；C. oversized because of motor and retarder, at the same configure the braking of drum-type gas and
Damper is extremely difficult, bad adaptability.
The third is wheel side electric drive axle, and the motor of such electric drive axle is in wheel side position, and power transmission line is short, imitates
Rate is high, is applied to low bottom plate bus.Such electric drive axle has as a drawback that：A. gearbox can not be arranged, it is difficult to realize big
The coordination of output torque and max. speed；B. motor and retarder are all unsprung mass, therefore are added significantly to unsprung mass, shadow
Ring the ride comfort of vehicle；C. the working environment of motor is severe, and vibration and impact are all very big.
The 4th kind of electric drive axle for not load-carrying unit, such electric drive axle only relate to electric drive unit and motor and change
The integrated patent of fast device is not related to the load bearing component and wheel side member of vehicle bridge.
Invention content
It is an object of the present invention to solve light medium-sized electric drive axle structure type in the prior art to be difficult to be simutaneously arranged
The technical issues of braking of drum-type gas and damper means.
Another object of the present invention is to solve retarder in the prior art and can carry the small technology of reactive torque to ask
Topic.
A further object of the invention is to want electric drive axle box of tricks complicated, and use electronic differential of high cost
And the technical problem that technical difficulty is big.
Another of the present invention is not easy to brake service maintenance further objective is that solving built-in braking drum structure
The technical issues of.
The present invention provides a kind of electric drive rear axle assys for light medium sized vehicle, including：
Electric drive rear axle housing assembly；
Driving motor, for providing driving force, axis is parallel with the wheel axis of vehicle but not coaxial；
Speed reducer assembly, with the driving motor it is relatively independent be fixed on together at the driving rear axle housing assembly,
And it is detachably connected with the driving motor, the driving force for providing the driving motor carries out deceleration torque；
With
Differential assembly, left half axle and the right side for the driving force after deceleration torque to be respectively allocated to the vehicle
Semiaxis, and it is transferred to by the left half axle and the right axle shaft left wheel and right wheel of the vehicle, to drive the vehicle
Traveling.
Optionally, the electric drive rear axle assy further includes：
Damper bracket is arranged in the front side of the electric drive rear axle housing assembly, the damper of the vehicle is pacified
Mounted in the front side of the electric drive rear axle housing assembly；With
Air-blowing type braking system is arranged in the rear side of the electric drive rear axle housing assembly；
Wherein, the front side of the electric drive rear axle housing assembly compared to the rear side closer to the headstock of the vehicle
Part.
Optionally, the differential assembly includes：
Cross axle, for receiving the torque after multi-stage speed-reducing transmitted by the speed reducer assembly；
Planetary gear is located at the cross axle, for distributing the torque to left half axle gear and right axle shaft tooth
Wheel；
Left half axle gear, setting are engaged at the left half axle, and with the planetary gear, the torque for that will distribute
It is transferred to left half axle；
Right axle shaft gear, setting are engaged at the right axle shaft, and with the planetary gear, the torque for that will distribute
It is transferred to right axle shaft.
Optionally, the speed reducer assembly is selected from double reduction gear, triple reduction gearing, level Four deceleration device, planet
Take turns any one device in deceleration device, planetary gear and roller gear compound reduction device；
Wherein, it is all made of involute cylindrical gear including multiple gears, the multiple gear in the speed reducer assembly, with
The gear torque capacity having the same when the driving motor rotates and reverse.
Optionally, the speed reducer assembly includes：
First driving gear, it is coaxially connected with the driving motor, to be rotated under the driving effect of the driving motor；
First driven gear is engaged with first driving gear, to transmit the driving force；With
Intermediate transmission mechanism, the driving force for transmitting first driven gear carry out N grades of decelerations, wherein N is just
Integer.
Optionally, the intermediate transmission mechanism includes：
First transmission device comprising first transmission shaft parallel with the motor output shaft, first driven tooth
Wheel and the second driving gear, first driven gear and second driving gear are arranged spaced apart in first transmission shaft
Place；
Wherein, the torque that the driving motor generates is transferred to first driven gear by first driving gear
To realize primary speed-down.
Optionally, the differential assembly further includes：
Second transmission device comprising the second driving shaft parallel with first transmission shaft, the second driven gear and
Third driving gear, second driven gear and the third driving gear are arranged spaced apart at the second driving shaft,
Second driven gear is meshed with second driving gear；
Wherein, second driving gear is engaged with second driven gear to realize double reduction.
Optionally, the differential assembly further includes：
Third driven gear, setting are engaged at the cross axle, and with the third driving gear to realize three-level
Slow down.
Optionally, the electric drive rear axle assy further includes：
Brake drum；With
Hub assembly is removably disposed in the inside of the brake drum.
Optionally, the hub assembly is fixed on the inside of the brake drum by fastener.
The gear of scheme according to the present invention, speed reducer assembly is all made of involute cylindrical gear, with driving motor just
Gear torque capacity having the same when turning and inverting.It is possible thereby to realize the transmission of forward and reverse same torque capacity, improving
Ensure that the service life of speed reducer assembly does not reduce while energy recovery rate.In addition, the axis of driving motor and electric drive rear axle housing
The axis of assembly is mutually parallel but is not overlapped, i.e. driving motor and electric drive rear axle housing assembly by the way of parallel shaft arrangement,
It can make full use of the advantage of involute cylindrical gear, or use planetary gear deceleration device so that power transmission route is
Between the axle center being mutually parallel, switch operation need not be carried out again, to realize forward and reverse transmission of speed reducer assembly
Torque capacity is identical.
Further, the axis of scheme according to the present invention, the axis and electric drive rear axle housing assembly of driving motor is mutual
Parallel but be not overlapped, i.e. driving motor and electric drive rear axle housing assembly can be made full use of gradually by the way of parallel shaft arrangement
Burst at the seams the advantage of roller gear, or uses planetary gear deceleration device so that power transmission route is in the axis being mutually parallel
Between the heart, switch operation need not be carried out again, it is identical to realize the torque capacity of forward and reverse transmission of speed reducer assembly.
Further, the position optimization of damper bracket is designed in the front side of drive axle, and is for example filled using fastener
Fixed form with formula axis pin can make full use of the confined space to complete damper system arrangement, and by air-blowing type braking system
It is arranged in the rear side of electric drive rear axle housing assembly, service brake can not only be effectively ensured as a result, while ensureing enough parking power
Square, and also solve the problem of medium-sized commercial car electric drive rear axle assy arrangement air-blowing type braking system difficulty light at present.
Further, hub assembly is fixed on the inside of brake drum by fastener, such as is fixed by screw.As a result,
Brake drum can be easily dismantled, it, can effective protection wheel without dismantling hub assembly to repair maintenance to inside brake drum
Bearing unit inside hub assembly is not destroyed under Pre strained state.In one embodiment, the unit of bearing is using non-maintaining
Bearing reduces daily maintenance expense and time, improves vehicle operational efficiency, can be really achieved non-maintaining purpose.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the structural representation according to an embodiment of the invention for the electric drive rear axle assy in light medium sized vehicle
Figure；
Fig. 2 is the three-dimensional signal of the electric drive rear axle assy according to an embodiment of the invention in light medium sized vehicle
Figure；
Fig. 3 is the structural principle according to an embodiment of the invention for the electric drive rear axle assy in light medium sized vehicle
Figure.
Description of the drawings：
1- driving motors,
2- electric drive rear axle housing assemblies,
3- damper brackets,
4- speed reducer assemblies,
5- brake drums,
6- hub assemblies,
71- left half axles, 72- right axle shafts,
8- camshafts,
9- air chamber support assemblies,
10- automatic clearance adjuster assemblies,
11- energy-stored spring gas chamber assemblies,
12- motor output shafts,
The first driving gears of 131-, the first driven gears of 132-, the second driving gears of 133-, the first transmission shafts of 134-,
The second driven gears of 135-, 136- second driving shafts, 137- third driving gears, 138- third driven gears,
14- differential assemblies, 141- cross axles, 142- planetary gears, 143- left half axle gears, 144- right axle shaft gears.
Specific implementation mode
Fig. 1 shows the structure according to an embodiment of the invention for the electric drive rear axle assy in light medium sized vehicle
Schematic diagram.Fig. 2 shows the solids according to an embodiment of the invention for the electric drive rear axle assy in light medium sized vehicle
Schematic diagram.As depicted in figs. 1 and 2, which includes driving motor 1, electric drive rear axle housing assembly 2, retarder
Assembly 4 and differential assembly 14.1 axis of driving motor is parallel with the wheel axis of vehicle but not coaxial.Particularly, the driving
Motor 1 is mutual indepedent with speed reducer assembly 4, is not integrated in speed reducer assembly 4, and the driving motor 1 and retarder are total
It is detachably connected at 4, such as be bolted with speed reducer assembly 4.The driving motor 1 is solid together with speed reducer assembly 4
It is scheduled at driving rear axle housing assembly 2.Driving motor 1 provides driving force, the driving force that speed reducer assembly 4 provides driving motor 1
Deceleration torque is carried out, the driving force after deceleration torque is respectively allocated to the left half axle 71 and right axle shaft of vehicle by differential assembly 14
72, and it is transferred to by left half axle 71 and right axle shaft 72 left wheel and right wheel of vehicle, to drive vehicle to travel.
The present invention uses the arrangement of parallel-axis type, by 14 phase of driving motor 1, speed reducer assembly 4 and differential assembly
The technical issues of mutually integrating, solving difficulty in arrangement.Also, using the arrangement of parallel-axis type, reduce axle housing rigidity pair
The influence of driving motor performance.It is integrated in speed reducer assembly with driving motor in the parallel-axis type electric drive axle of the prior art
Technical solution is compared, and driving motor 1 is independent from each other with speed reducer assembly 4 in the present invention, so set, simplifying retarder
The structure of assembly 4 facilitates repair and replaces, to reduce cost.
In one embodiment, which can also include damper bracket 3 and air-blowing type braking system.
Damper bracket 3 is arranged in the front side of electric drive rear axle housing assembly 2, and it is total that the damper of vehicle is mounted on electric drive rear axle housing
At 2 front side.Damper bracket 3 can have a damper interface to be fixed on damper for being passed through for fastener and subtract
It shakes at device holder 3.Wherein, the form of damper interface can be assembled, welding pin type, can also be to be arranged positioned at this
Other damper mounting means.Air-blowing type braking system is arranged in the rear side of electric drive rear axle housing assembly 2.Wherein, after electric drive
The front side of axle case assy 2 is compared to rear side closer to the vehicle head part of vehicle.Air-blowing type braking system may include energy-stored spring
Gas chamber assembly 11, automatic clearance adjuster assembly 10, camshaft 8 and gas chamber bracket assembly 9.
In embodiments of the present invention, the position optimization of damper bracket 3 is designed in the front side of drive axle, and using fastening
The fixed form of part such as assembled axis pin can make full use of the confined space to complete damper system arrangement, and by air-blowing type
Braking system is arranged in the rear side of electric drive rear axle housing assembly 2, service brake can not only be effectively ensured as a result, while ensureing foot
Enough parking torque, and also solve light medium-sized commercial car electric drive rear axle assy at present and be simutaneously arranged damper system and drum
The problem of gas formula braking system difficulty.
The vehicle may include whole-control system, the whole-control system can control 1 positive and negative rotation of driving motor and
Energy regenerating.In one embodiment, which is selected from double reduction gear, triple reduction gearing, level Four deceleration dress
It sets, any one device in planetary gear deceleration device, planetary gear and roller gear compound reduction device.Packet in speed reducer assembly
Include multiple gears, multiple gears are all made of involute cylindrical gear, with when driving motor rotates and reverse gear have it is identical
Torque capacity.It is possible thereby to realize the transmission of forward and reverse same torque capacity, ensure to subtract while improving energy recovery rate
The service life of fast device assembly 4 does not reduce.
The present invention uses the arrangement of parallel-axis type, can also make full use of the advantage of involute cylindrical gear, or
It is to use planetary gear deceleration device so that power transmission route need not be commutated again between the axle center being mutually parallel
Operation, it is identical to realize the torque capacity of forward and reverse transmission of speed reducer assembly 4, ensure while improving energy recovery rate
The service life of speed reducer assembly.
Fig. 3 shows the structure according to an embodiment of the invention for the electric drive rear axle assy in light medium sized vehicle
Schematic diagram.In conjunction with Fig. 1 to Fig. 3, driving motor 1 includes a motor output shaft 12.Speed reducer assembly 4 includes the first driving gear
131, the first driven gear 132 and intermediate transmission mechanism.First driving gear 131 and driving motor 1 are coaxially connected, i.e., and first
Driving gear 131 is set at motor output shaft 12, and the first driven gear 132 is engaged with the first driving gear 131, is driven with transmitting
Power.The driving force that intermediate transmission mechanism is used to transmit the first driven gear 132 carries out N grades of decelerations, wherein N is positive integer.
In one embodiment, intermediate transmission mechanism may include the first transmission device and the second transmission device.First passes
Dynamic device includes the first transmission shaft 134, the first driven gear 132 and the second driving gear 133.First transmission shaft 134 and motor
Output shaft 12 is parallel, and the first driven gear 132 and the second driving gear 133 are arranged spaced apart at the first transmission shaft 134.The
Two transmission devices include second driving shaft 136, the second driven gear 135 and third driving gear 137.Second driving shaft 136 with
First transmission shaft 134 is parallel, and the second driven gear 135 and third driving gear 137 are arranged spaced apart in second driving shaft 136
Place, the second driven gear 135 are meshed with the second driving gear 133.The torque that driving motor 1 generates passes through the first driving gear
131 are transferred to the first driven gear 132 to realize primary speed-down.Second driving gear 133 engaged with the second driven gear 135 with
Realize double reduction.In another embodiment, differential assembly 14 can also include third driven gear 138.Third is driven
Gear 138 can be arranged at the cross axle 141 of differential assembly 14, and be engaged with third driving gear 137 to realize three-level
Slow down.
In one embodiment, differential assembly 14 may include cross axle 141, planetary gear 142, left half axle gear
143 and right axle shaft gear 144.Cross axle 141 is for receiving the torque after multi-stage speed-reducing transmitted by speed reducer assembly 4.Example
Such as can be to receive the torque after two level or three-level are slowed down transmitted by speed reducer assembly 4.Planetary gear 142 is located at cross axle
At 141, for distributing torque to left half axle gear 143 and right axle shaft gear 144.Left half axle gear 143 is arranged in left half axle
It at 71, and is engaged with planetary gear 142, for the torque of distribution to be transferred to left half axle 71.Right axle shaft gear 144 is arranged on the right side
It at semiaxis 72, and is engaged with the planetary gear 142, for the torque of distribution to be transferred to right axle shaft 72.Wherein, left half axle 71
It is connected with left wheel hub assembly 6, to transfer a torque to left wheel hub, right axle shaft 72 is connected with right hub assembly 6, by torque
It is transferred to right wheel hub, to realize the driving of vehicle.Differential assembly uses planetary differential gear mechanism, dependable performance and cost
It is relatively low.
The electric drive rear axle assy can also include brake drum 5 and hub assembly 6, and hub assembly 6 is removably disposed in
The inside of brake drum 5.In one embodiment, hub assembly 6 is fixed on the inside of brake drum 5 by fastener, such as passes through
Screw is fixed.Thus, it is possible to brake drum 5 easily be dismantled, with to repairing maintenance inside brake drum 5, without dismantling wheel hub
Assembly 6, bearing unit that can be inside effective protection hub assembly 6 are not destroyed under Pre strained state.In one embodiment, axis
The unit held uses non-maintaining bearing, reduces daily maintenance expense and time, improves vehicle operational efficiency, can be really achieved and exempt from
The purpose of maintenance.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of electric drive rear axle assy for light medium sized vehicle, which is characterized in that including：
Electric drive rear axle housing assembly；
Driving motor, for providing driving force, axis is parallel with the wheel axis of vehicle but not coaxial；
Speed reducer assembly, with the driving motor it is relatively independent be fixed on together at the driving rear axle housing assembly, and with
The driving motor is detachably connected, and the driving force for providing the driving motor carries out deceleration torque；With
Differential assembly, the left half axle for the driving force after deceleration torque to be respectively allocated to the vehicle and right half
Axis, and it is transferred to by the left half axle and the right axle shaft left wheel and right wheel of the vehicle, to drive the vehicle
Traveling.
2. electric drive rear axle assy according to claim 1, which is characterized in that further include：
Damper bracket is arranged in the front side of the electric drive rear axle housing assembly, the damper of the vehicle is mounted on
The front side of the electric drive rear axle housing assembly；With
Air-blowing type braking system is arranged in the rear side of the electric drive rear axle housing assembly；
Wherein, the front side of the electric drive rear axle housing assembly compared to the rear side closer to the headstock portion of the vehicle
Point.
3. electric drive rear axle assy according to claim 1, which is characterized in that the differential assembly includes：
Cross axle, for receiving the torque after multi-stage speed-reducing transmitted by the speed reducer assembly；
Planetary gear is located at the cross axle, for distributing the torque to left half axle gear and right axle shaft gear；
Left half axle gear, setting are engaged at the left half axle, and with the planetary gear, and the torque for that will distribute transmits
To left half axle；
Right axle shaft gear, setting are engaged at the right axle shaft, and with the planetary gear, and the torque for that will distribute transmits
To right axle shaft.
4. electric drive rear axle assy according to claim 3, which is characterized in that the speed reducer assembly is selected from double reduction
In device, triple reduction gearing, level Four deceleration device, planetary gear deceleration device, planetary gear and roller gear compound reduction device
Any one device；
Wherein, include multiple gears in the speed reducer assembly, the multiple gear is all made of involute cylindrical gear, in institute
State the gear torque capacity having the same when driving motor rotates and reverse.
5. electric drive rear axle assy according to claim 4, which is characterized in that the speed reducer assembly includes：
First driving gear, it is coaxially connected with the driving motor, to be rotated under the driving effect of the driving motor；
First driven gear is engaged with first driving gear, to transmit the driving force；With
Intermediate transmission mechanism, the driving force for transmitting first driven gear carry out N grades of decelerations, wherein N is just whole
Number.
6. electric drive rear axle assy according to claim 5, which is characterized in that the intermediate transmission mechanism includes：
First transmission device comprising first transmission shaft parallel with the motor output shaft, first driven gear and
Second driving gear, first driven gear and second driving gear are arranged spaced apart at first transmission shaft；
Wherein, the torque that the driving motor generates is transferred to first driven gear with reality by first driving gear
Existing primary speed-down.
7. electric drive rear axle assy according to claim 6, which is characterized in that the differential assembly further includes：
Second transmission device comprising second driving shaft, second driven gear and the third parallel with first transmission shaft
Driving gear, second driven gear and the third driving gear are arranged spaced apart at the second driving shaft, described
Second driven gear is meshed with second driving gear；
Wherein, second driving gear is engaged with second driven gear to realize double reduction.
8. electric drive rear axle assy according to claim 7, which is characterized in that the differential assembly further includes：
Third driven gear is arranged at the cross axle, and is engaged with the third driving gear to realize that three-level is slowed down.
9. the electric drive rear axle assy according to any one of claim 1-8, which is characterized in that further include：
Brake drum；With
Hub assembly is removably disposed in the inside of the brake drum.
10. electric drive rear axle assy according to claim 9, which is characterized in that the hub assembly is solid by fastener
It is scheduled on the inside of the brake drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297880.1A CN108501696A (en) | 2018-04-03 | 2018-04-03 | A kind of electric drive rear axle assy for light medium sized vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297880.1A CN108501696A (en) | 2018-04-03 | 2018-04-03 | A kind of electric drive rear axle assy for light medium sized vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108501696A true CN108501696A (en) | 2018-09-07 |
Family
ID=63380562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810297880.1A Pending CN108501696A (en) | 2018-04-03 | 2018-04-03 | A kind of electric drive rear axle assy for light medium sized vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501696A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466299A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of lightweight bi-motor dual reducer electric drive axle assembly |
| CN109515161A (en) * | 2018-12-17 | 2019-03-26 | 上海科曼车辆部件系统股份有限公司 | A kind of automobile wheel edge power drive system |
| CN110744997A (en) * | 2019-11-01 | 2020-02-04 | 重庆坚峰汽车科技有限公司 | Electric drive bridge |
| CN113283007A (en) * | 2021-05-21 | 2021-08-20 | 江铃汽车股份有限公司 | Light truck transmission shaft arrangement checking method based on CATIA |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426809Y (en) * | 2000-06-14 | 2001-04-18 | 成都四兴电子机械有限公司 | Rear-wheel driving bridge assembly for light vehicle |
| CN201086701Y (en) * | 2007-02-10 | 2008-07-16 | 姜卫东 | Conjunct rear bridge with air-pressure brake device |
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN105059056A (en) * | 2015-09-18 | 2015-11-18 | 南京创捷和信汽车零部件有限公司 | Secondary speed-reduction rear driving axle assembly |
| CN105172587A (en) * | 2015-09-24 | 2015-12-23 | 重庆大江工业有限责任公司 | Rear drive axle of Z type passenger car with rear engine |
| CN105864390A (en) * | 2016-06-14 | 2016-08-17 | 湖北车桥有限公司 | Wheel-side differential lock axle |
| CN106740020A (en) * | 2017-02-16 | 2017-05-31 | 重庆大学 | Electric motor car deceleration, differential integrated driving rear axle assy |
-
2018
- 2018-04-03 CN CN201810297880.1A patent/CN108501696A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426809Y (en) * | 2000-06-14 | 2001-04-18 | 成都四兴电子机械有限公司 | Rear-wheel driving bridge assembly for light vehicle |
| CN201086701Y (en) * | 2007-02-10 | 2008-07-16 | 姜卫东 | Conjunct rear bridge with air-pressure brake device |
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN105059056A (en) * | 2015-09-18 | 2015-11-18 | 南京创捷和信汽车零部件有限公司 | Secondary speed-reduction rear driving axle assembly |
| CN105172587A (en) * | 2015-09-24 | 2015-12-23 | 重庆大江工业有限责任公司 | Rear drive axle of Z type passenger car with rear engine |
| CN105864390A (en) * | 2016-06-14 | 2016-08-17 | 湖北车桥有限公司 | Wheel-side differential lock axle |
| CN106740020A (en) * | 2017-02-16 | 2017-05-31 | 重庆大学 | Electric motor car deceleration, differential integrated driving rear axle assy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466299A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of lightweight bi-motor dual reducer electric drive axle assembly |
| CN109466299B (en) * | 2018-11-30 | 2023-11-21 | 一汽解放汽车有限公司 | Light-weight double-motor double-speed reducer electric drive axle assembly |
| CN109515161A (en) * | 2018-12-17 | 2019-03-26 | 上海科曼车辆部件系统股份有限公司 | A kind of automobile wheel edge power drive system |
| CN110744997A (en) * | 2019-11-01 | 2020-02-04 | 重庆坚峰汽车科技有限公司 | Electric drive bridge |
| CN113283007A (en) * | 2021-05-21 | 2021-08-20 | 江铃汽车股份有限公司 | Light truck transmission shaft arrangement checking method based on CATIA |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8640800B2 (en) | Chassis for a motor vehicle having an electrical axle | |
| CN108501696A (en) | A kind of electric drive rear axle assy for light medium sized vehicle | |
| CN111108012A (en) | Axle assembly for frame rail vehicle | |
| CN101557959A (en) | Differential gearing | |
| CN103029577A (en) | Coaxial direct-connection type drive axle assembly of electric automobile | |
| CN203005086U (en) | Electric car coaxial direct connection type drive axle assembly | |
| CN102555773B (en) | Low-floor gate-type wheel-side motor rear axle for electric bus | |
| JP7107202B2 (en) | Vehicle electric drive | |
| CN104175873A (en) | Chassis driving system for four-wheel drive electromobile and control method of chassis driving system | |
| US20140011620A1 (en) | Drive device for driving a wheel of a spring strut-type axle for an electrically drivable vehicle | |
| CN102673365A (en) | Hybrid power electric automobile driving system by utilizing synchronous belt transmission | |
| CN101920653A (en) | Power transmission unit and transmission control method of hybrid driving system | |
| CN104691299A (en) | Multimode multi-gear hybrid power system | |
| CN108556606A (en) | It is a kind of for the integrated motor of electric vehicle and the Driven by Coaxial bridge and method of speed changer | |
| CN207809039U (en) | Hybrid electric drive system and vehicle | |
| WO2007039730A1 (en) | Hubs for electric hybrid vehicles | |
| CN101561030A (en) | Reaction moment balance transmission system for single rotating motor | |
| CN201045403Y (en) | Mixed power vehicle double input planetary gear train | |
| CN209492375U (en) | General electric drive axle | |
| CN109421512A (en) | Electric vehicle and its Direct wheel drives mechanism | |
| CN104149598A (en) | Wheel edge driving system with electric disk brake and control method of wheel edge driving system | |
| CN207466352U (en) | A kind of electric vehicle and its Direct wheel drives mechanism | |
| CN116512893A (en) | Two-gear hub integrated electric driving wheel set and vehicle comprising same | |
| CN109693530A (en) | Power transmission and vehicle including this | |
| CN210062650U (en) | Double-motor differential composite planetary power assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180907 |
|
| RJ01 | Rejection of invention patent application after publication |