CN107379965A - A kind of 2AMT power drive systems of integrated form - Google Patents
A kind of 2AMT power drive systems of integrated form Download PDFInfo
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- CN107379965A CN107379965A CN201710718558.7A CN201710718558A CN107379965A CN 107379965 A CN107379965 A CN 107379965A CN 201710718558 A CN201710718558 A CN 201710718558A CN 107379965 A CN107379965 A CN 107379965A
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000005096 rolling process Methods 0.000 claims description 9
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 239000003638 chemical reducing agent Substances 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of 2AMT power drive systems of integrated form, including the rotor in stator case, jackshaft and differential mechanism, rotor left end and right-hand member are equipped with output shaft, output shaft is provided with a gear output gear and two keep off output gears, and jackshaft is provided with the gear change-speed gearing engaged with a gear output gear, two engaged with two gear output gears keep off change-speed gearings and the differential mechanism drive gear engaged with the input gear of differential mechanism;The present invention realizes the integrated of the drive system including two shelves gear mechanisms, size is small, it is in light weight, pass through the position relationship engaged all the time between two gear output gears and two gear change-speed gearings between a gear output gear and a gear change-speed gearing, it is being precisely controlled self shifter, while realizing 2AMT function, make gearshift more fast efficiently and gentle, the rotor structure of double output shaft simultaneously, improve the torsion tolerance of single output shaft, the service life and unfailing performance of rotor of output shaft axle are improved, and then has ensured the safe operation of vehicle.
Description
Technical field
The present invention relates to the 2AMT electric drive trains of new-energy automobile drive system technical field, more particularly to a kind of integrated form
System.
Background technology
At present, most of drive system of new-energy automobile is to connect cloth by spline with 2AMT decelerators using motor
Put, one end output shaft and the decelerator of motor are connected, then realize driving by the two groups of teeth wheel reducing gear of decelerator
And speed change.But, on the one hand, in the drive system of this traditional structure, motor and decelerator partial installation, not only cause whole
The volume of drive system is excessive, installation trouble, and does not meet the theory of present power assembly Integration Design, simultaneously as subtracting
Fast device is concentrated and devises two groups of reduction gears so that whole Gear Transmission in Reducer system dimension is big, weight weight, is unfavorable for
By motor reducer assembly Miniaturization Design;On the other hand, only have single gear mesh decelerator on the power output shaft of motor to enter
Action edge exports, and decelerator is only single speed double reduction gear, and poor reliability, NVH performances are bad, and power can not disconnect, and exist
Counter electromotive force impacts to circuit, and the low situation of electric system efficiency utilization rate, the operation to new-energy automobile causes greatly
Potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of 2AMT power drive systems of integrated form, can integrate two gear gear mechanisms, and
Small volume, in light weight, energy consumption is small, improves the dynamic property of vehicle, and efficiency high of shifting gears, highly reliable, high safety;Further
Ground, the twin shaft output of rotor can be realized, improve the operating efficiency and reliability of motor.
The technical solution adopted by the present invention is:
A kind of 2AMT power drive systems of integrated form, including stator case, rotor, jackshaft and differential mechanism, stator case are interior certainly
Rotor chamber, velocity-reducing chamber and differential chamber are sequentially provided with above, rotor is horizontal in rotor chamber, and the left and right ends difference of rotor
Be rotatablely connected with the inwall of stator case, jackshaft is horizontal in velocity-reducing chamber, and the left and right ends of jackshaft respectively with stator
The inwall rotation connection of housing, differential mechanism are located at differential intracavitary, and the left and right ends of the differential mechanism inwall with stator case respectively
It is fixedly connected;
The rotor includes rotor core and output shaft, and output shaft is provided with a gear output gear and two gear output gears, a gear
Output gear and two gear output gear fixations are located on the output shaft of rotor, and the radius of a gear output gear is less than two gears
Output gear;
A gear change-speed gearing, two gear change-speed gearings and differential mechanism drive gear, a gear change-speed gearing are equipped with the jackshaft
It is rotatablely connected with two gear change-speed gearings with jackshaft, differential mechanism drive gear is fixedly connected with jackshaft, and a gear gear teeth
The radius of wheel is more than two gear change-speed gearings, and the radiuses of two gear change-speed gearings are more than differential mechanism drive gear, a gear change-speed gearing and
One gear output gear engagement, two gear change-speed gearings engage with two gear output gears;It is same that gear gearshift is equipped with the jackshaft
Device and two gear gearshift synchronizers are walked, jackshaft is provided with axial tooth, and a gear gearshift synchronizer and two gear gearshift synchronizers pass through
Spline is located on the axial tooth of jackshaft;One gear change-speed gearing is provided with respect to the side of a gear gearshift synchronizer and changed with a gear
The soldered tooth that gear synchronizer matches, two gear change-speed gearings are provided with same with two gear gearshifts with respect to the side of two gear gearshift synchronizers
The soldered tooth that step device matches, when differential mechanism is in when operating state, between a gear change-speed gearing and a gear gearshift synchronizer,
It is phase-separated state between two gear change-speed gearings and two gear gearshift synchronizers, when differential mechanism is in operating state, a gear becomes
It is combined between fast gear and a gear gearshift synchronizer or between two gear change-speed gearings and two gear gearshift synchronizers;
The differential mechanism is provided with input gear, and input gear engages with differential mechanism drive gear.
Preferably, the left and right ends of the rotor are equipped with output shaft, and rotor is fixed by being arranged on the output shaft at both ends
On the inwall of stator case.
Preferably, a described gear output gear and two gear output gears be arranged at set by rotor left end on output shaft or
Set by rotor right-hand member on output shaft.
Preferably, the output shaft of the left end is set to a gear output shaft, the output shaft output shaft 2nd gear of right-hand member, a gear output
On a gear output shaft, two gear output gears are located on output shaft 2nd gear gear.
Preferably, the differential mechanism drive gear is between a gear change-speed gearing and two gear change-speed gearings.
Preferably, T-shaped, the T-shaped stator case that is shaped as of the stator case includes wider horizontal part and narrower
Vertical portion, rotor chamber and velocity-reducing chamber are located at horizontal part, and differential chamber is located at vertical portion.
Preferably, the both ends of the rotor and the both ends of jackshaft pass through rolling bearing pedestal and the inwall of stator case respectively
Connection.
Preferably, a gear output gear and the output shaft, two gear output gears and output shaft, differential mechanism drive gear and
It is fixedly connected between jackshaft by interference fit.
Preferably, a gear change-speed gearing and two gear change-speed gearings are rotatablely connected by rolling bearing and jackshaft.
The invention has the advantages that:
(1)Rotor, jackshaft and the differential mechanism being driven successively by being set in stator case, by motor torque pattern and turn
Fast mode switches, and realizes the integrated of drive system, and is integrated with two gear gear mechanisms, is entered after being precisely controlled using synchronizer
Row self shifter, 2AMT function is realized, improve the operating efficiency of motor;
(2)Due to two gear speed changing functions, and by one gear output gear and one gear change-speed gearing between and two keep off output gears
The position relationship engaged all the time between two gear change-speed gearings is taken turns, present invention motor in vehicle operating mode more must can be operated in
High efficient area, stir a gear gearshift synchronizer or two gear gearshift synchronizers shifted gears when can more it is fast efficiently peace
It is slow, demand of the vehicle to drive system low speed and large torque and high speed, high efficiency is taken into account, and then improve the dynamic of vehicle traveling
Power, stationarity and economy;
(3)Using integrated structure, the present invention is set to meet integrated, integrated and Miniaturization Design the theory of modernization design
It is required that it is compact-sized, the size and weight of drive system are reduced, improves the power performance of vehicle, reduces the oil of vehicle
Consumption, and it is easy for installation;
(4)By the structure of the double output shaft of rotor, two power takeoff points of rotor are made to be located on two different output shafts,
Compared with traditional single output shaft, the length of single output shaft is shortened, in the case where ensureing that output power is constant, is improved
The torsion tolerance of single output shaft, improves the service life and unfailing performance of rotor of output shaft axle, and then has ensured vehicle
Safe operation.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of embodiment one;
Fig. 2 is the cross section structure schematic diagram of embodiment two.
Description of reference numerals:
1st, stator case;2nd, jackshaft;3rd, differential mechanism;301st, input gear;302nd, left output axle shaft;303rd, right output axle shaft;
4th, output shaft;401st, a gear output shaft;402nd, output shaft 2nd gear;5th, a gear output gear;6th, two gear output gear;7th, a gear becomes
Fast gear;8th, two gear change-speed gearing;9th, differential mechanism drive gear;10th, a gear gearshift synchronizer;11st, two gear gearshift synchronizer;
12nd, rotor core.
Embodiment
As illustrated in fig. 1 and 2, the present invention includes stator case 1, rotor, jackshaft 2 and differential mechanism 3, and stator case 1 is interior certainly
Rotor chamber, velocity-reducing chamber and differential chamber are sequentially provided with above, rotor is horizontal in rotor chamber, and the left and right ends difference of rotor
It is rotatablely connected with the inwall of stator case 1, jackshaft 2 is horizontal in velocity-reducing chamber, and the left and right ends of jackshaft 2 are respectively with determining
The inwall rotation connection of sub- housing 1, differential mechanism 3 are located at differential intracavitary, and the left and right ends of differential mechanism 3 respectively with stator case 1
Inwall be fixedly connected;
Rotor includes rotor core 12 and is arranged on the output shaft 4 at the both ends of rotor core 12, and rotor passes through output shaft 4 set by both ends
It is fixed on the inwall of stator case 1;Output shaft 4 is provided with a gear output gear 5 and two and keeps off output gear 6, a gear output gear 5
It is located in two gear output gear 6 fixations on the output shaft 4 of rotor, and the radius of a gear output gear 5 is less than two gears and exported
Gear 6;
A gear change-speed gearing 7, two gear change-speed gearing 8 and differential mechanism drive gear 9, a gear speed change are equipped with the jackshaft 2
Gear 7 and two keeps off change-speed gearing 8 and is rotatablely connected with jackshaft 2, and differential mechanism drive gear 9 is fixedly connected with jackshaft 2, and one
The radius for keeping off change-speed gearing 7 is more than two gear change-speed gearings 8, and the radiuses of two gear change-speed gearings 8 are more than differential mechanism drive gear 9, and one
Gear change-speed gearing 7 engages with a gear output gear 5, and two gear change-speed gearings 8 engage with two gear output gears 6;On the jackshaft 2
The gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two is equipped with, jackshaft 2 is provided with axial tooth, a gear gearshift synchronizer 10
It is located in two gear gearshift synchronizers 11 by spline on the axial tooth of jackshaft 2;The relative gear of one gear change-speed gearing 7 is shifted gears
The side of synchronizer 10 is provided with the soldered tooth to match with a gear gearshift synchronizer 10, and relative two gear of two gear change-speed gearings 8 changes
The side of gear synchronizer 11 is provided with the soldered tooth to match with two gear gearshift synchronizers 11, when differential mechanism 3 is in shape to be acted
During state, between a gear gear gearshift synchronizer 10 of change-speed gearing 7 and one, between the two gear gear gearshift synchronizers 11 of change-speed gearing 8 and two
Be phase-separated state, when differential mechanism 3 is in operating state, one gear change-speed gearing 7 and one gear gearshift synchronizer 10 between or
It is combined between the two gear gear gearshift synchronizers 11 of change-speed gearing 8 and two;
The differential mechanism 3 includes input gear 301, left output axle shaft 302 and right output axle shaft 303, input gear 301 and differential
Device drive gear 9 engages, and output gear is connected with left output axle shaft 302 and right output axle shaft 303 respectively, left output half
Axle 302 and right output axle shaft 303 are used to connect outside equipment to be driven.
Integrated structure, the present invention is met integrated, integrated and Miniaturization Design the theory of modernization design and want
Ask, it is compact-sized, the size and weight of drive system are reduced, the power performance of vehicle is improved, reduces the oil consumption of vehicle,
It is and easy for installation;
The present invention realizes the integrated of drive system, and be integrated with two gears by motor torque pattern and rotating speed pattern switching
Gear mechanism, reach motor speed and the speed sync of differential mechanism drive gear 9, using synchronizer certainly move after being precisely controlled
Gear, 2AMT function is realized, improve the operating efficiency of motor;
And the characteristics of due to two gear speed changing functions, and kept off between change-speed gearing 7 by a gear output gear 5 and one and being kept off with two
The position relationship engaged all the time between output gear 6 and two gear change-speed gearings 8, making the present invention, motor can be more in vehicle operating mode
The high efficient area that must be operated in, can be more when stirring the gear gearshift gear gearshift synchronizer 11 of synchronizer 10 or two and being shifted gears
It is fast efficiently and gentle, demand of the vehicle to drive system low speed and large torque and high speed, high efficiency is taken into account, and then improve
Dynamic property, stationarity and the economy of vehicle traveling.
For a better understanding of the present invention, technical scheme is described further below in conjunction with the accompanying drawings.
Embodiment one:
As shown in figure 1, being shaped as stator case 1 is T-shaped, T-shaped stator case 1 includes wider horizontal part and narrower vertical
Portion, rotor chamber and velocity-reducing chamber are located at horizontal part, and differential chamber is located at vertical portion.The stator case of the left and right sides of rotor chamber and velocity-reducing chamber
It is equipped with rolling bearing pedestal on the inwall of body 1, the both ends of rotor and jackshaft 2 are respectively and fixedly installed to turn by rolling bearing pedestal
In sub- chamber and velocity-reducing chamber.
Rotor includes rotor core 12 and is arranged on the output shaft 4 at the both ends of rotor core 12, in the right-hand member institute of rotor core 12
If output shaft 4 on be sequentially provided with a gear output gear 5 and two gear output gears 6 from left to right, a gear change-speed gearing 7 is located at one
Keep off output gear 5 underface simultaneously with one gear output gear 5 engage, two gear change-speed gearings 8 positioned at two gear output gears 6 just under
Fang Bingyu bis- keeps off output gear 6 and engaged, and differential mechanism drive gear 9 is arranged on the left side of a gear change-speed gearing 7 and is located at rotor iron
The lower section of core 12, the input gear 301 of differential mechanism 3 be located at the underface of differential mechanism drive gear 9 and with differential mechanism drive gear 9
Engagement;One gear output gear 5 and two keeps off output gear 6 and is fixedly mounted on by interference fit on output shaft 4, differential mechanism sliding tooth
The logical interference fit of wheel 9 is fixedly mounted on jackshaft 2, and a gear gear change-speed gearing 8 of change-speed gearing 7 and two is by rolling bearing with
Countershaft 2 is rotatablely connected.
The one gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two is located on jackshaft 2 by spline, and a gear changes
The gear gear gearshift synchronizer 11 of synchronizer 10 and two is respectively positioned between a gear change-speed gearing 7 and two gear change-speed gearings 8;Spline includes interior
Spline and external splines, jackshaft 2 are provided with the axial tooth to match with internal spline, and a gear gearshift gear gearshift of synchronizer 10 and two is same
Step device 11 matches with external splines, between jackshaft 2, spline, a gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two
The relation of matching, slide axis of the gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two along jackshaft 2, and and jackshaft
2 is longitudinally fixed.The one gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two is typically stirred by shift fork, and shift fork is same with gearshift
Walk the installation site relation between device and stir principle and belong to existing mature technology, be not described in detail herein.
Under drive system halted state, i.e. for differential mechanism 3 when acting, a gear gearshift synchronizer 10 and one keeps off change-speed gearing 7
Between kept off two gear gearshift synchronizers 11 and two between change-speed gearings 8 and be in released state, when drive system works, using dialling
Fork is stirred the gear gearshift gear gearshift synchronizer 11 of synchronizer 10 and two and shifted gears, you can realizes the action of differential mechanism 3.Shifted gears
Journey is as follows:
One, which keeps off the course of work shifted gears, is:One gear gearshift synchronizer 10 is stirred to the left using shift fork, makes gear gearshift synchronizer
10 engage linkage with the soldered tooth of a gear change-speed gearing 7, and a gear gearshift synchronizer 10 is combined with a gear change-speed gearing 7, and two gears change
Separated between gear synchronizer 11 and two gear change-speed gearings 8.Now, motor power is transferred to a gear successively by a gear output gear 5
The gear gearshift synchronizer 10 of change-speed gearing 7 and one, so as to output power to the input tooth of differential mechanism drive gear 9 and differential mechanism 3
Wheel 301, the final left output axle shaft 302 and right output axle shaft 303 for driving differential mechanism 3, and then drive running car.
Two, which keep off the courses of work shifted gears, is:Two gear gearshift synchronizers 11 are stirred to the right using shift fork, make the gearshift of two gears same
Step device 11 engages linkage with the soldered tooth of two gear change-speed gearings 8, and two gear gearshift synchronizers 11 are combined with two gear change-speed gearings 8, and one
Separated between gear gearshift synchronizer 10 and a gear change-speed gearing 7.Now, motor power is transferred to successively by two gear output gears 6
The two gear gear gearshift synchronizers 11 of change-speed gearings 8 and two, so as to output power to the defeated of differential mechanism drive gear 9 and differential mechanism 3
Enter gear 301, the final left output axle shaft 302 and right output axle shaft 303 for driving differential mechanism 3, and then drive running car.
In the process, by motor torque pattern and rotating speed pattern switching, the integrated of drive system is realized, and collect
Into two gear gear mechanisms, reach the power transmission between motor speed and differential mechanism drive gear 9, one is utilized after being precisely controlled
The gear gearshift gear gearshift synchronizer 11 of synchronizer 10 or two carries out self shifter, realizes 2AMT function, improves the work effect of motor
Rate.
Simultaneously as a gear output gear 5 and one is kept off between change-speed gearing 7 and two gear output gears 6 and two keep off gear teeth
All the time ingear state between wheel 8, saved in gearshift needs to nibble again in original shift process between transmission gear
Time caused by conjunction wastes and impulsive force, improves the efficiency of gearshift, and then improves the efficiency and stationarity when vehicle travels,
Improve vehicle and determine power performance and driving comfort sense.
Embodiment two:
As shown in Fig. 2 embodiment two, with being in place of the difference of embodiment one, being shaped as stator case 1 is T-shaped, T-shaped stator
Housing 1 includes wider horizontal part and narrower vertical portion, and vertical portion is located at the underface of horizontal part, rotor chamber and velocity-reducing chamber position
In horizontal part, differential chamber is located at vertical portion.The drive system of such a structure is more compact and attractive in appearance, and easy for installation.
Output shaft 4 set by rotor left end is set to a gear output shaft 401, and output shaft 4 is set to output shaft 2nd gear set by right-hand member
402, the inwall of the left end of a gear output shaft 401 and the right-hand member of output shaft 2nd gear 402 respectively with stator case 1 passes through rolling bearing
Seat rotation connection, and a gear output gear 5, on a gear output shaft 401, two gear output gears 6 are located at output shaft 2nd gear 402
On, a gear change-speed gearing 7 engages positioned at the underface of a gear output gear 5 and with a gear output gear 5, two gear change-speed gearings 8
Engaged positioned at the underface of two gear output gears 6 and with two gear output gears 6, differential mechanism drive gear 9 is positioned at a gear gear teeth
Between the gear change-speed gearing 8 of wheel 7 and two, and differential mechanism drive gear 9 is located at the centre position of jackshaft 2, the input tooth of decelerator
Wheel 301 engages positioned at the underface of differential mechanism drive gear 9 and with differential mechanism drive gear 9.The one gear gear of output gear 5 and two is defeated
Go out gear 6 to be fixedly mounted on output shaft 4 by interference fit, differential mechanism drive gear 9 leads to during interference fit is fixedly mounted on
On countershaft 2, a gear change-speed gearing 7 and two keeps off change-speed gearing 8 and is rotatablely connected by rolling bearing and jackshaft 2.
Shift process is as follows:
One, which keeps off the course of work shifted gears, is:One gear gearshift synchronizer 10 is stirred to the left using shift fork, makes gear gearshift synchronizer
10 engage linkage with the soldered tooth of a gear change-speed gearing 7, and a gear gearshift synchronizer 10 is combined with a gear change-speed gearing 7, and two gears change
Separated between gear synchronizer 11 and two gear change-speed gearings 8.Now, motor power is transferred to a gear successively by a gear output gear 5
The gear gearshift synchronizer 10 of change-speed gearing 7 and one, so as to output power to the input tooth of differential mechanism drive gear 9 and differential mechanism 3
Wheel 301, the final left output axle shaft 302 and right output axle shaft 303 for driving differential mechanism 3, and then drive running car.
Two, which keep off the courses of work shifted gears, is:Two gear gearshift synchronizers 11 are stirred to the right using shift fork, make the gearshift of two gears same
Step device 11 engages linkage with the soldered tooth of two gear change-speed gearings 8, and two gear gearshift synchronizers 11 are combined with two gear change-speed gearings 8, and one
Separated between gear gearshift synchronizer 10 and a gear change-speed gearing 7.Now, motor power is transferred to successively by two gear output gears 6
The two gear gear gearshift synchronizers 11 of change-speed gearings 8 and two, so as to output power to the defeated of differential mechanism drive gear 9 and differential mechanism 3
Enter gear 301, the final left output axle shaft 302 and right output axle shaft 303 for driving differential mechanism 3, and then drive running car.
The design feature of the double output shaft 4 of rotor, two power takeoff points of rotor are made to be located at two different output shafts 4
On, compared with traditional single output shaft 4, the length of single output shaft 4 is shortened, in the case where ensureing that output power is constant,
The torsion tolerance of single output shaft 4 is improved, improves the service life and unfailing performance of rotor of output shaft axle 4, and then ensure
The safe operation of vehicle.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that, it still may be used
To be modified to the technical scheme described in previous embodiment, either which part or all technical characteristic are equal
Replace, and these modifications or replacement, the essence of appropriate technical solution is departed from the model of technical scheme of the embodiment of the present invention
Enclose.
Claims (9)
- A kind of 1. 2AMT power drive systems of integrated form, it is characterised in that:Including stator case, rotor, jackshaft and differential mechanism, Rotor chamber, velocity-reducing chamber and differential chamber are sequentially provided with stator case from top to bottom, rotor is horizontal in rotor chamber, and rotor Left and right ends are rotatablely connected with the inwall of stator case respectively, and jackshaft is horizontal in velocity-reducing chamber, and the left and right two of jackshaft End is rotatablely connected with the inwall of stator case respectively, and differential mechanism is located at differential intracavitary, and the left and right ends of differential mechanism are respectively with determining The inwall of sub- housing is fixedly connected;The rotor includes rotor core and output shaft, and output shaft is provided with a gear output gear and two gear output gears, a gear Output gear and two gear output gear fixations are located on the output shaft of rotor, and the radius of a gear output gear is less than two gears Output gear;A gear change-speed gearing, two gear change-speed gearings and differential mechanism drive gear, a gear change-speed gearing are equipped with the jackshaft It is rotatablely connected with two gear change-speed gearings with jackshaft, differential mechanism drive gear is fixedly connected with jackshaft, and a gear gear teeth The radius of wheel is more than two gear change-speed gearings, and the radiuses of two gear change-speed gearings are more than differential mechanism drive gear, a gear change-speed gearing and One gear output gear engagement, two gear change-speed gearings engage with two gear output gears;It is same that gear gearshift is equipped with the jackshaft Device and two gear gearshift synchronizers are walked, jackshaft is provided with axial tooth, and a gear gearshift synchronizer and two gear gearshift synchronizers pass through Spline is located on the axial tooth of jackshaft;One gear change-speed gearing is provided with respect to the side of a gear gearshift synchronizer and changed with a gear The soldered tooth that gear synchronizer matches, two gear change-speed gearings are provided with same with two gear gearshifts with respect to the side of two gear gearshift synchronizers The soldered tooth that step device matches, when differential mechanism is in when operating state, between a gear change-speed gearing and a gear gearshift synchronizer, It is phase-separated state between two gear change-speed gearings and two gear gearshift synchronizers, when differential mechanism is in operating state, a gear becomes It is combined between fast gear and a gear gearshift synchronizer or between two gear change-speed gearings and two gear gearshift synchronizers;The differential mechanism is provided with input gear, and input gear engages with differential mechanism drive gear.
- 2. the 2AMT power drive systems of integrated form according to claim 1, it is characterised in that:The left and right ends of the rotor Output shaft is equipped with, rotor is fixed on the inwall of stator case by being arranged on the output shaft at both ends.
- 3. the 2AMT power drive systems of integrated form according to claim 2, it is characterised in that:A described gear output gear It is arranged at two gear output gears set by rotor left end on output shaft or set by rotor right-hand member on output shaft.
- 4. the 2AMT power drive systems of integrated form according to claim 2, it is characterised in that:The output shaft of the left end is set For a gear output shaft, the output shaft output shaft 2nd gear of right-hand member, a gear output gear is on a gear output shaft, two gear output gears On output shaft 2nd gear.
- 5. the 2AMT power drive systems of integrated form according to claim 4, it is characterised in that:The differential mechanism drive gear Between a gear change-speed gearing and two gear change-speed gearings.
- 6. the 2AMT power drive systems of the integrated form according to claim 3 or 4 or 5, it is characterised in that:The stator case T-shaped, the T-shaped stator case that is shaped as include wider horizontal part and narrower vertical portion, rotor chamber and velocity-reducing chamber are located at water Flat portion, differential chamber are located at vertical portion.
- 7. the 2AMT power drive systems of integrated form according to claim 1, it is characterised in that:The both ends of the rotor are with The both ends of countershaft are connected by the inwall of rolling bearing pedestal and stator case respectively.
- 8. the 2AMT power drive systems of integrated form according to claim 1, it is characterised in that:It is described one gear output gear with Output shaft, two gear output gears between output shaft, differential mechanism drive gear and jackshaft by interference fit with being fixedly connected.
- 9. the 2AMT power drive systems of integrated form according to claim 1, it is characterised in that:The one gear change-speed gearing It is rotatablely connected with two gear change-speed gearings by rolling bearing and jackshaft.
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CN114050669A (en) * | 2021-10-19 | 2022-02-15 | 凯博易控车辆科技(苏州)股份有限公司 | Integrated gear shifting hub of external rotor motor |
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