CN109572417A - A kind of integrated two gears electric drive assembly - Google Patents
A kind of integrated two gears electric drive assembly Download PDFInfo
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- CN109572417A CN109572417A CN201910070141.3A CN201910070141A CN109572417A CN 109572417 A CN109572417 A CN 109572417A CN 201910070141 A CN201910070141 A CN 201910070141A CN 109572417 A CN109572417 A CN 109572417A
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- gear
- electric drive
- drive assembly
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- output shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims description 60
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 229910000851 Alloy steel Inorganic materials 0.000 description 8
- 230000005611 electricity Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- 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
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
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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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention provides a kind of integrated two gears electric drive assemblies, including driving motor, two-gear transmission and electric drive assembly controller；Two-gear transmission is located at the output end of driving motor, is fixedly connected with driving motor；Electric drive assembly controller is located at the top of driving motor and two-gear transmission, is fixedly connected with driving motor and two-gear transmission.The present invention uses the integrated design of driving motor, two-gear transmission and electric drive assembly controller, reduce amount of parts, assembly relation is optimized, improves the reliability of power assembly, it is entire electric drive assembly product with compact structure, light-weight, high-efficient, at low cost；Overall-in-one control schema is carried out to driving motor and two-gear transmission using electric drive assembly controller.Based on integrated electric drive assembly controller, not only the institute that original split type power assembly control system may be implemented is functional, but also eliminates the defect of communication delay between original technology difference controller, realizes centralized control, control resource is saved, keeps electric-control system more accurate.
Description
Technical field
The invention belongs to Vehicle Engineering technical fields, more particularly, to a kind of integrated two gears electric drive assembly.
Background technique
Motorized has become one of the main direction of development of auto industry.The electric car of the single gear retarder of equipment exists at present
Since driving motor working efficiency is relatively low under high-speed working condition, compared with Metro cycle operating condition, under continual mileage is obvious
Drop.Two gear electric drive assemblies can switch working speed and the torque of adjustment driving motor by gear, it is made to work as far as possible
High efficiency region, extending driving range improve economy of the vehicle under various operating conditions.Meanwhile two keep off the gear of electric drive assembly one
Large transmission ratio can promote acceleration, climbing capacity, and max. speed can be improved in second gear small speed ratio, be effectively improved vehicle dynamic property
Performance.
Two gear electric drive assembly of equipment, can reduce and want to driving motor torque capacity and maximum speed on passenger car
It asks, and then reduces the volume and weight of driving motor, reduce power drive system cost.Meanwhile automatic mechanical transmission structure
Simply, advantage at low cost makes it above have apparent advantage in the application of electric drive assembly, receives industrial circle in recent years
Pay attention to.But current two gears electric drive assembly is primarily present following problems in technical aspect:
1. liang gear electric drive assembly split type structure.The current two gear total Chengdu of electric drive is independent motor, motor control
The simple combination application of device and independent two-gear transmission.The matching for focusing on driving motor and two-gear transmission of design
And in terms of the realization of gearshift function, do not carried out for multi-field coupling effects such as mechanical, electrical, magnetic, heat existing for electric drive assembly
Special integrated design and structure optimization, the critical performance parameters of electric drive assembly such as power density, efficiency are extremely difficult to most
Excellent state causes the Cost And Performance advantage of two gear electric drive assemblies to be unable to fully embody.
2. liang gear split type control of electric drive assembly.Current two gears electric drive assembly uses substantially keeps off driving motor and two
The mode of speed changer independent control coordinates electric machine controller and gearbox controller work by CAN communication in shift come complete
At shift process.Due to the transmission delay of CAN communication and the time variation of transmission delay, this control mode can only realize driving
Motor shift when active speed regulation, driving motor drop square, put into gear, torque Restoration stage cannot make full use of driving motor ring
Should it is fast, the advantages of active control can be carried out.This control mode is long big with shift shock there is the shifting power break period
Deficiency, be difficult to meet the requirement of riding overall height shift quality
Summary of the invention
In view of this, the present invention is directed to propose a kind of integrated two gears electric drive assembly, total to solve existing electric drive
It is single at gear, overall efficiency is lower, structure disperses, control delay the problems such as, improve electric powered motor, economy, drop
Low Innovation Input and product cost promote the industrial application of electric drive assembly.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of integrated two gears electric drive assembly, including driving motor, two-gear transmission and electric drive assembly controller；Institute
The output end that two-gear transmission is located at driving motor is stated, is fixedly connected with driving motor；The electric drive assembly controller is located at
The top of driving motor and two-gear transmission, is fixedly connected with driving motor and two-gear transmission.
Further, the driving motor includes driving motor stator, motor transmission axis, driving motor bearing, driving
Electric machine casing；
The motor transmission axis is fixedly connected with driving motor bearing；The driving motor shell and electric drive assembly are total
It is fixedly connected with shell；The driving motor bearing is mounted on driving motor shell.
Further, the two-gear transmission include electric drive assembly share shell, parking motor, control device,
Shift motor, gear shifting actuating mechanism, input axle assembly, export axle assembly, differential assembly, two-gear transmission back casing；
It is driving motor, two-gear transmission and electric drive assembly controller common enclosure that the electric drive assembly, which shares shell,
Body；
The export axle assembly, differential assembly are fixedly mounted on electric drive assembly by rolling bearing and share on shell,
The electric drive assembly shares shell and passes through fastening bolt and driving motor shell, two-gear transmission back casing, electric drive assembly
Controller housing is fixedly connected；
The parking motor is fixedly connected with control device, and parking motor is total by fastening bolt and electric drive assembly
It is fixedly connected with shell or two-gear transmission back casing；
The shift motor is fixedly connected with gear shifting actuating mechanism, and shift motor is total by fastening bolt and electric drive assembly
It is fixedly connected with shell or two-gear transmission back casing；
The parking motor and shift motor and the electric drive assembly controller carry out communication by electric signal
Further, the input axle assembly include motor transmission axis, it is motor transmission shafting oil envelope, parking ratchet wheel, defeated
Enter axis first gear, input shaft second gear, rear bearing, input shaft；The parking ratchet wheel inner ring passes through spline and motor transmission
Axis is fixedly connected；It is fixedly connected outside parking ratchet wheel with control device；The motor transmission axis is kept off comprising input shaft one
Gear and input shaft second gear, and be processed as one；The motor transmission shaft rear end shaft shoulder and rear bearing, input shaft inner ring
It is fixedly connected；The rear bearing, input shaft inner ring is fixedly connected with motor transmission axis, and rear bearing, input shaft outer ring is fixedly mounted
On two-gear transmission back casing.
Further, the export axle assembly include output shaft first gear, it is synchronous gear sleeve, output shaft second gear, defeated
Shaft rear bearing, output shaft master subtract gear, output shaft, front bearing, output shaft；The output shaft first gear inner ring passes through needle roller
Bearing sky is set on the output shaft, and outer gear is engaged with input shaft first gear；The output shaft second gear inner ring passes through rolling
Needle bearing sky is set on the output shaft, and outer gear is engaged with input shaft second gear；The synchronous gear sleeve inner ring by spline with
Synchronous gear hub is fixedly connected, and then is fixedly connected with output shaft；It is fixedly connected outside synchronous gear sleeve with gear shifting actuating mechanism；It is described
Output shaft includes that output shaft master subtracts gear, and is processed as one；The output shaft front end shaft shoulder and the fixed company of front bearing, output shaft inner ring
It connects, the output shaft rear end shaft shoulder is fixedly connected with rear bearing, output shaft inner ring；The front bearing, output shaft inner ring and output shaft rear axle
It holds inner ring to be fixedly connected with output shaft respectively, front bearing, output shaft outer ring and rear bearing, output shaft outer ring are respectively and fixedly installed to electricity
Drive assembly shares on shell and two-gear transmission back casing.
Further, the differential assembly includes differential mechanism fore bearing, differential casing, differential mechanism rear bearing, differential
Device gear ring；The differential mechanism gear ring is fixedly connected by fastening bolt with differential casing, and outer gear and output shaft master subtract tooth
Wheel engagement；The differential casing front end shaft shoulder is fixedly connected with differential mechanism fore bearing inner ring, the differential casing rear end shaft shoulder with
Differential mechanism rear bearing inner ring is fixedly connected, and differential casing mid-plane is fixedly connected with differential mechanism gear ring by fastening bolt；
The differential mechanism fore bearing inner ring and differential mechanism rear bearing inner ring are fixedly connected with differential casing respectively, outside differential mechanism fore bearing
Circle and differential mechanism rear axle bearing outer-ring are respectively and fixedly installed to electric drive assembly and share on shell and two-gear transmission back casing.
Further, the electric drive assembly controller includes electric drive assembly controller circuit board and electric drive assembly control
Device shell processed；The electric drive assembly controller circuit board package is fixed on electric drive assembly controller enclosure interior；The electricity
Drive assembly controller circuit board is communicated and is controlled to driving motor, parking motor and shift motor；The electric drive is total
Shell is shared with electric drive assembly by fastening bolt at controller housing to be fixedly connected.
Further, the electric drive assembly controller circuit board is using embeded processor as control core, including rotation becomes
Signal decoder module, IGBT drive module, shift motor drive module and parking motor drive module；The electric drive assembly control
Device circuit board processed to driving motor position and temperature signal, two-gear transmission tach signal, control device control signal and
Gear shifting actuating mechanism controls signal and carries out signal acquisition and calculation process.
Compared with the existing technology, a kind of integrated two gears electric drive assembly of the present invention has the advantage that
1. the integrated design that the present invention uses driving motor, two-gear transmission and electric drive assembly controller.Based on one
Body design philosophy, carries out coaxial design to rotor axis of electric and transmission input shaft, carries out one to electric drive assembly shell
Change Topology Structure Design, reduces amount of parts, optimize assembly relation, improve the reliability of power assembly, entire electricity
Drive assembly product has many advantages, such as compact-sized, light-weight, high-efficient, at low cost.
2. the present invention carries out overall-in-one control schema to driving motor and two-gear transmission using electric drive assembly controller.It is based on
Integrated electric drive assembly controller, the institute that original split type power assembly control system not only may be implemented is functional, but also eliminates
The defect of communication delay between original technology difference controller, realizes centralized control, saves control resource, makes electric-control system more
Add accurate.By formulating corresponding control strategy, machine is executed to driving motor, two-gear transmission, gear shifting actuating mechanism and parking
Structure carries out coordinated control, can be realized simultaneously driving motor more in efficient region driving, the reasonable gear of two-gear transmission
Switching, the shift of gear shifting actuating mechanism ride comfort and control device reliability parking.
3. power drive, shift transformation and parking lock three zones may be implemented in the present invention.In shift and parking process
In make full use of that driving motor response is fast, can be effectively improved that the shifting power break period is long and shift with the characteristic of active control
Big problem is impacted, the validity and reliability of shift quality and parking function is improved.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the principle of the present invention schematic diagram；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is control signal principle figure of the invention；
Fig. 4 is the power transmission line figure of a gear advance, reverse-drive；
Fig. 5 is the power transmission line figure of second gear forward drive；
Fig. 6 is the power transmission line figure of parking lock；
Serial number, symbol, code name are described as follows in figure:
P- electric drive assembly controller；M- driving motor；T- two-gear transmission；TS1- input axle assembly；TS2- output shaft
Assembly；TS3- differential assembly；P01- electric drive assembly controller circuit board；P02- electric drive assembly controller shell；M01-
Driving motor stator；MTS- motor transmission axis；M02- driving motor bearing；M03- driving motor shell；T01- electric drive is total
At shared shell；TM1- parking motor；T02- control device；TM2- shift motor；T03- gear shifting actuating mechanism；T04- electricity
Machine transmission shaft oil sealing；T05- parking ratchet wheel；T06- input shaft first gear；T07- input shaft second gear；T08- input shaft
Rear bearing；T09- output shaft first gear；T10- synchronous gear sleeve；T11- output shaft second gear；T12- rear bearing, output shaft；
T13- output shaft master subtracts gear；T14- output shaft；T15- front bearing, output shaft；T16- differential mechanism fore bearing；T17- differential carrier
Body；T18- differential mechanism rear bearing；T19- differential mechanism gear ring；T20- two-gear transmission back casing；PM1- driving motor position and temperature
Spend signal；PT1- two-gear transmission tach signal；PT2- control device controls signal；PT-3 gear shifting actuating mechanism control letter
Number.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in figures 1 to 6, the present invention is a kind of two gear electric drive assembly of electric car integration, is suitable for pure electric vehicle vapour
Vehicle, hybrid vehicle and fuel cell car.
The present invention is collectively constituted by driving motor M, two-gear transmission T and electric drive assembly controller P.The two gears speed change
Device T is located at the output end of driving motor M, is fixedly connected with driving motor M.The electric drive assembly controller P is located at driving electricity
The top of machine M and two-gear transmission T are fixedly connected with driving motor M and two-gear transmission T.
The driving motor M includes driving motor stator M01, motor transmission axis MTS, driving motor bearing M02, driving
Electric machine casing M03.
The motor transmission axis MTS is fixedly connected with driving motor bearing M02.The driving motor shell M03 and electricity
Drive assembly shares shell T01 and is fixedly connected.The driving motor bearing M02 is mounted on driving motor shell M03.
The driving motor M is direct-drive motor or AC driven motor, and the motor transmission axis MTS adds for machine
Part, material are steel alloy, and shape is solid shafting or hollow shaft, the driving motor stator M01 be circular coil winding, flat wire around
Group or magnet, the driving motor bearing M02 be rolling bearing, the driving motor shell M03 be cast member or 3D printing part,
Material is cast iron, aluminium alloy or magnesium alloy.
The two-gear transmission T include electric drive assembly share shell T01, parking motor TM1, control device T02,
Shift motor TM2, gear shifting actuating mechanism T03, input axle assembly TS1, export axle assembly TS2, differential assembly TS3, two gears become
Fast device back casing T20 is collectively constituted.
It is that driving motor M, two-gear transmission T and electric drive assembly controller P are total that the electric drive assembly, which shares shell T01,
Use shell.The export axle assembly TS2, differential assembly TS3 are fixedly mounted on electric drive assembly common enclosure by rolling bearing
On body T01, the electric drive assembly shares shell T01 and passes through fastening bolt and driving motor shell M03, two-gear transmission rear shell
Body T20, electric drive assembly controller shell P02 are fixedly connected.
It is cast member or 3D printing part that the electric drive assembly, which shares shell T01, and material is that cast iron, aluminium alloy or magnalium close
Gold.
The parking motor TM1 is fixedly connected with control device T02, and parking motor TM1 passes through fastening bolt and electricity
Drive assembly shares shell T01 or two-gear transmission back casing T20 and is fixedly connected.The control device T02 passes through parking
Locking and the abjection of parking ratchet wheel T05 is realized in the input of motor TM1 power.
The shift motor TM2 is fixedly connected with gear shifting actuating mechanism T03, and shift motor TM2 passes through fastening bolt and electricity
Drive assembly shares shell T01 or two-gear transmission back casing T20 and is fixedly connected.The gear shifting actuating mechanism T02 passes through shift
Being linked into and deviating from for synchronous gear sleeve T10 is realized in the input of motor TM2 power.
The parking motor TM1 and shift motor TM2 be direct current generator or alternating current generator, can be with the electric drive assembly control
Device P processed is communicated by electric signal.
The input axle assembly TS1 include motor transmission axis MTS, motor transmission shafting oil envelope T04, parking ratchet wheel T05,
Input shaft first gear T06, input shaft second gear T07, rear bearing, input shaft T08.The parking ratchet wheel T05 inner ring passes through flower
Key is fixedly connected with motor transmission axis MTS；It is fixedly connected outside parking ratchet wheel T05 with control device T02, and then by staying
Vehicle executing agency T02 execution movement is realized and the locking of control device T02 or abjection.The motor transmission axis MTS packet
The T06 of first gear containing input shaft and input shaft second gear T07, and be processed as one.The motor transmission axis MTS rear axle
Shoulder is fixedly connected with rear bearing, input shaft T08 inner ring.The rear bearing, input shaft T08 inner ring is fixed with motor transmission axis MTS
Connection, the outer ring rear bearing, input shaft T08 is fixedly mounted on two-gear transmission back casing T20.
The input shaft first gear T06 and input shaft second gear T07 is that machine adds part, and material is steel alloy, and shape is
Straight spur gear or helical gears.The parking ratchet wheel T05 is that machine adds part, and material is steel alloy, and shape is straight-tooth circle
Stud wheel.The motor transmission shafting oil envelope T04 is rubber parts, and rear bearing, input shaft T08 is rolling bearing.
The export axle assembly TS2 include output shaft first gear T09, synchronous gear sleeve T10, output shaft second gear T11,
Rear bearing, output shaft T12, output shaft master subtract gear T13, output shaft T14, front bearing, output shaft T15.The output shaft one keeps off tooth
T09 inner ring is taken turns through needle bearing empty set on output shaft T14, outer gear is engaged with input shaft first gear T06.It is described defeated
Shaft second gear T11 inner ring passes through needle bearing empty set on output shaft T14, outer gear and input shaft second gear T07
Engagement.The synchronous gear sleeve T10 inner ring is fixedly connected by spline with synchronous gear hub, and then is fixedly connected with output shaft T14；Together
Step tooth set T10 outside is fixedly connected with gear shifting actuating mechanism T03, and then by gear shifting actuating mechanism T03 execution movement realization with it is defeated
The engagement or abjection of shaft first gear T09 and output shaft second gear T11.The output shaft T14 includes that output shaft master subtracts tooth
T13 is taken turns, and is processed as one.The output shaft T14 front end shaft shoulder is fixedly connected with front bearing, output shaft T15 inner ring, exports shaft rear end
The shaft shoulder is fixedly connected with rear bearing, output shaft T12 inner ring.In the front bearing, output shaft T15 inner ring and rear bearing, output shaft T12
Circle is fixedly connected with output shaft T14 respectively, and peace is fixed in the outer ring front bearing, output shaft T15 and the outer ring rear bearing, output shaft T12 respectively
It is shared on shell T01 and two-gear transmission back casing T20 mounted in electric drive assembly.
The output shaft T14 is that machine adds part, and material is steel alloy, and shape is solid shafting or hollow shaft.The output shaft one
Gear gear T09, output shaft second gear T11, output shaft master subtract gear T13 and add part for machine, and material is steel alloy, and shape is straight-tooth
Roller gear or helical gears.The synchronous gear sleeve T10 is that machine adds part, and material is steel alloy, and shape is hollow cylinder knot
Structure.The front bearing, output shaft T15, rear bearing, output shaft T12 are rolling bearing.
The differential assembly TS3 includes differential mechanism fore bearing T16, differential casing T17, differential mechanism rear bearing T18, difference
Fast device gear ring T19 is collectively constituted.The differential mechanism gear ring T19 is fixedly connected by fastening bolt with differential casing T17, external
Gear subtracts gear T13 with output shaft master and engages.The differential casing T17 front end shaft shoulder and differential mechanism fore bearing T16 inner ring are solid
Fixed connection, the differential casing T17 rear end shaft shoulder are fixedly connected with differential mechanism rear bearing T18 inner ring, flat among differential casing T17
Face is fixedly connected with differential mechanism gear ring T19 by fastening bolt.The differential mechanism fore bearing T16 inner ring and differential mechanism rear bearing
T18 inner ring is fixedly connected with differential casing T17 respectively, the differential mechanism outer ring fore bearing T16 and the differential mechanism outer ring rear bearing T18 point
It is not fixedly mounted on two-gear transmission back casing T20.
The differential casing T17 is that machine adds part, and material is steel alloy, and shape is hollow special-shaped axis.The differential mechanism tooth
Circle T19 is that machine adds part, and material is steel alloy, and shape is straight spur gear or helical gears.The differential mechanism fore bearing
T16, differential mechanism rear bearing T18 are rolling bearing.
The electric drive assembly controller P includes electric drive assembly controller circuit board P01 and electric drive assembly controller
Shell P02.The electric drive assembly controller circuit board P01 encapsulation is fixed on inside electric drive assembly controller shell P02.Institute
It states electric drive assembly controller circuit board P01 driving motor M, parking motor TM1 and shift motor TM2 are communicated and controlled
System.The electric drive assembly controller shell P02 shares shell T01 with electric drive assembly by fastening bolt and is fixedly connected.
The electric drive assembly controller circuit board P01 is main to become letter comprising rotation using embeded processor as control core
Number decoder module, IGBT drive module, shift motor drive module and parking motor drive module.The electric drive assembly control
Device circuit board P01 controls driving motor position and temperature signal PM1, two-gear transmission tach signal PT1, control device
Signal PT2 and gear shifting actuating mechanism control signal PT3 carry out signal acquisition and calculation process.
Transmission scheme involved in the present invention is real by controlling the gear shifting actuating mechanism T03 and control device T02
The engagement or abjection of existing synchronous gear sleeve T10 and output shaft first gear T09 and output shaft second gear T11 realize that parking executes
The locking of mechanism T02 and parking ratchet wheel T05 or abjection, and then realize the function of a gear driving, second gear driving and parking lock.
The power transmission line of one gear forward drive is as shown in Figure 4.The electric drive assembly in a gear job, hold by parking
Row mechanism T02 and parking ratchet wheel T05 are in abjection state, and synchronous gear sleeve T10 is by output shaft first gear T09 and output shaft T14
It is linked together.Power transmission line by motor transmission axis MTS through input shaft first gear T06, output shaft first gear T09,
Output shaft T14, output shaft master subtract gear T13, differential assembly TS3 and carry out power output to vehicle.One gear reverse-drive is moved
Power transfer route is consistent with a gear power transmission line for forward drive, and motor transmission axis MTS reversion is only needed to be realized.
The power transmission line of second gear forward drive is as shown in Figure 5.The electric drive assembly when second gear works, hold by parking
Row mechanism T02 and parking ratchet wheel T05 are in abjection state, and synchronous gear sleeve T10 is by output shaft second gear T11 and output shaft T14
It is linked together.Power transmission line by motor transmission axis MTS through input shaft second gear T07, output shaft second gear T11,
Output shaft T14, output shaft master subtract gear T13, differential assembly TS3 and carry out power output to vehicle.
The power transmission line of parking lock is as shown in Figure 6.When parking keeps off work, parking executes the electric drive assembly
Mechanism T02 and parking ratchet wheel T05 is in lockup state, and synchronous gear sleeve T10 connects output shaft first gear T09 and output shaft T14
It is integrated.Power transmission line is by motor transmission axis MTS through parking ratchet wheel T05, input shaft first gear T06, output shaft one
Gear gear T09, output shaft T14, output shaft master subtract gear T13, differential assembly TS3 and apply parking power to vehicle, realize parking.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of integrated two gears electric drive assembly, it is characterised in that: including driving motor, two-gear transmission and electric drive assembly
Controller；The two-gear transmission is located at the output end of driving motor, is fixedly connected with driving motor；The electric drive assembly control
Device processed is located at the top of driving motor and two-gear transmission, is fixedly connected with driving motor and two-gear transmission.
2. a kind of integrated two gears electric drive assembly according to claim 1, it is characterised in that: the driving motor includes
Driving motor stator, motor transmission axis, driving motor bearing, driving motor shell；
The motor transmission axis is fixedly connected with driving motor bearing；The driving motor shell and electric drive assembly common enclosure
Body is fixedly connected；The driving motor bearing is mounted on driving motor shell.
3. a kind of integrated two gears electric drive assembly according to claim 2, it is characterised in that: the two-gear transmission packet
Include electric drive assembly share shell, parking motor, control device, shift motor, gear shifting actuating mechanism, input axle assembly,
Export axle assembly, differential assembly, two-gear transmission back casing；
It is that driving motor, two-gear transmission and electric drive assembly controller share shell that the electric drive assembly, which shares shell,；
The export axle assembly, differential assembly are fixedly mounted on electric drive assembly by rolling bearing and share on shell, described
Electric drive assembly shares shell and is controlled by fastening bolt and driving motor shell, two-gear transmission back casing, electric drive assembly
Device shell is fixedly connected；
The parking motor is fixedly connected with control device, and parking motor passes through fastening bolt and electric drive assembly common enclosure
Body or two-gear transmission back casing are fixedly connected；
The shift motor is fixedly connected with gear shifting actuating mechanism, and shift motor passes through fastening bolt and electric drive assembly common enclosure
Body or two-gear transmission back casing are fixedly connected；
The parking motor and shift motor are communicated with the electric drive assembly controller by electric signal.
4. a kind of integrated two gears electric drive assembly according to claim 3, it is characterised in that: the input axle assembly packet
Include motor transmission axis, motor transmission shafting oil envelope, parking ratchet wheel, input shaft first gear, input shaft second gear, input shaft
Rear bearing；The parking ratchet wheel inner ring is fixedly connected by spline with motor transmission axis；It is executed outside parking ratchet wheel with parking
Mechanism is fixedly connected；The motor transmission axis includes input shaft first gear and input shaft second gear, and is processed as one；
The motor transmission shaft rear end shaft shoulder is fixedly connected with rear bearing, input shaft inner ring；The rear bearing, input shaft inner ring and motor
Transmission shaft is fixedly connected, and rear bearing, input shaft outer ring is fixedly mounted on two-gear transmission back casing.
5. a kind of integrated two gears electric drive assembly according to claim 3, it is characterised in that: the export axle assembly packet
Include output shaft first gear, synchronous gear sleeve, output shaft second gear, rear bearing, output shaft, output shaft master subtract gear, output shaft,
Front bearing, output shaft；The output shaft first gear inner ring is set on the output shaft by needle bearing sky, outer gear and input
The engagement of axis first gear；The output shaft second gear inner ring is set on the output shaft by needle bearing sky, outer gear with it is defeated
Enter the engagement of axis second gear；The synchronous gear sleeve inner ring is fixedly connected by spline with synchronous gear hub, and then is fixed with output shaft
Connection；It is fixedly connected outside synchronous gear sleeve with gear shifting actuating mechanism；The output shaft includes that output shaft master subtracts gear, and is processed as
One；The output shaft front end shaft shoulder is fixedly connected with front bearing, output shaft inner ring, in the output shaft rear end shaft shoulder and rear bearing, output shaft
Circle is fixedly connected；The front bearing, output shaft inner ring and rear bearing, output shaft inner ring are fixedly connected with output shaft respectively, output shaft
Front axle bearing outer-ring and rear bearing, output shaft outer ring are respectively and fixedly installed to electric drive assembly and share shell and two-gear transmission rear shell
On body.
6. a kind of integrated two gears electric drive assembly according to claim 3, it is characterised in that: the differential assembly packet
Include differential mechanism fore bearing, differential casing, differential mechanism rear bearing, differential mechanism gear ring；The differential mechanism gear ring passes through fastening bolt
It is fixedly connected with differential casing, outer gear subtracts gear with output shaft master and engages；The differential casing front end shaft shoulder and poor
Fast device fore bearing inner ring is fixedly connected, and the differential casing rear end shaft shoulder is fixedly connected with differential mechanism rear bearing inner ring, differential carrier
Body mid-plane is fixedly connected with differential mechanism gear ring by fastening bolt；The differential mechanism fore bearing inner ring and differential mechanism rear bearing
Inner ring is fixedly connected with differential casing respectively, and differential mechanism front axle bearing outer-ring and differential mechanism rear axle bearing outer-ring are respectively and fixedly installed to
Electric drive assembly shares on shell and two-gear transmission back casing.
7. a kind of integrated two gears electric drive assembly according to claim 3, it is characterised in that: the electric drive assembly control
Device processed includes electric drive assembly controller circuit board and electric drive assembly controller shell；The electric drive assembly controller circuit
Electric drive assembly controller enclosure interior is fixed in plate encapsulation；The electric drive assembly controller circuit board to driving motor, stay
Vehicle motor and shift motor are communicated and are controlled；The electric drive assembly controller shell is total by fastening bolt and electric drive
It is fixedly connected at shared shell.
8. a kind of integrated two gears electric drive assembly according to claim 7, it is characterised in that: the electric drive assembly control
Device circuit board processed is using embeded processor as control core, including rotation varying signal decoder module, IGBT drive module, shift motor
Drive module and parking motor drive module；The electric drive assembly controller circuit board believes driving motor position and temperature
Number, two-gear transmission tach signal, control device control signal and gear shifting actuating mechanism control signal carry out signal acquisition
And calculation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070141.3A CN109572417B (en) | 2019-01-24 | Integrated two-gear electric drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070141.3A CN109572417B (en) | 2019-01-24 | Integrated two-gear electric drive assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572417A true CN109572417A (en) | 2019-04-05 |
| CN109572417B CN109572417B (en) | 2024-06-25 |
Family
ID=
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| CN109878312A (en) * | 2019-04-22 | 2019-06-14 | 苏州同捷汽车科技发展有限公司 | A kind of integrated coaxial electric driver |
| CN111022590A (en) * | 2020-01-03 | 2020-04-17 | 万向集团公司 | Transmission for electric automobile |
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