CN110027393A - Bi-motor differential compound planetary arranges power assembly - Google Patents
Bi-motor differential compound planetary arranges power assembly Download PDFInfo
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- CN110027393A CN110027393A CN201910363315.5A CN201910363315A CN110027393A CN 110027393 A CN110027393 A CN 110027393A CN 201910363315 A CN201910363315 A CN 201910363315A CN 110027393 A CN110027393 A CN 110027393A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of bi-motor differential compound planetaries to arrange power assembly, two driving machines individually or in combination two input conical gears of Drive differential, the planet row that the several columns that the shell of differential mechanism transmit power to mutually link, planet row output power, when selecting brake to carry out closure braking and/or release rotation to differential mechanism and/or planet row, it realizes and is operated alone and combines under drive condition greatly, the multiple drive modes such as small speed ratio, power assembly is very compact, cost control is fine, vibrating noise is small, the features such as small and high reliablity is lost in system dynamic, suitable for various electric vehicles.
Description
Technical field
The invention belongs to automotive powers, are specifically related to a kind of double-motor power assembly for electric car.
Background technique
With the rapid development of electric vehicles, many vehicles enterprise and power assembly enterprise are by using more big retarding ratio and higher
Motor speed is to obtain smaller volume and system cost, however, as motor maximum speed is from initial 6000rpm to mesh
Preceding 20000rpm, this all mentions the rotor accuracy of manufacture, rotor supports bearing and the high revolving speed gear assembly of high-precision
Lubrication problem caused by critical challenges, especially ultrahigh speed and vibrating noise problem are gone out, the solution of these problems results in
Cost rapidly increases.In certain speed range, single motor matches large speed ratio retarder scheme and slows down than matching small speed ratio
Reduction in device scheme meeting acquisition cost and weight, however, being more than once velocity interval, cost and integrity problem just highlight
Out.Bi-motor scheme solve to a certain extent single motor driving in heavy-duty motor in system overall efficiency and manufacture
How preferably problem in cost accurately matches and lifting system efficiency however, bringing revolving speed therewith.Using double
When motor scheme needs to solve the work of congestion road conditions single motor, it can satisfy maximum torque requirements and an other motor cannot
Follow rotational problems；When needing to solve high-power starting acceleration, two motor speeds do not need accurate matching problem；It needs to solve
When good road conditions economy run, single motor can be able to satisfy economy travel max. speed demand, and an other motor cannot simultaneously
Follow rotation；It can be realized two motor interworkings；When needing to solve highest speed of operation, two motor maximum speed controls
In the optimum cost range of speeds；In addition, can be realized parking and neutral mode.It such as can be realized above-mentioned function, will compare
Ideal double-motor power assembly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of size speed ratio drive modes to enrich, noise is small, transmission efficiency
High, high reliablity bi-motor differential compound planetary arranges power assembly.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: bi-motor differential compound planetary row
Power assembly, including two driving machines, two inputs circle of two driving machines individually or in combination Drive differential
Bevel gear, the planet row that the several columns that the shell of differential mechanism transmit power to mutually link, planet row output power.
Preferably, at least two-stage gear pair is drivingly connected between the driving machine and differential mechanism；The driving machine is driven
Dynamic chopped-off head gear pair, the final-stage gear pair and input conical gear are axially mounted on.
Preferably, the shell of the differential mechanism is driven chopped-off head planet row, and final stage planet row is driven another differential mechanism, the differential
Device output power.
Preferably, an input conical gear of the driving machine Drive differential, meanwhile, another driving machine transmission
Another input conical gear of differential mechanism；The shell of the differential mechanism installs output gear, output gear the first tooth of engaged transmission
The outer ring of circle, the inner ring of the first gear ring engage the first planetary gear, and the first planetary gear the first sun gear of engaged transmission while exports
Power；First sun gear is coaxially driven the second sun gear, the second sun gear the second planetary gear of engaged transmission, the second planet
Wheel the second gear ring of engagement, the second planetary gear connect the first gear ring by pivoted arm.
Preferably, each input conical gear connects a brake, and the sun gear connects another brake,
One gear ring connects third brake.
Another technical solution that the present invention uses are as follows: bi-motor differential compound planetary arranges power assembly, including two drivings
Machine, the one input conical gear of driving machine transmission, meanwhile, another driving machine is driven another input conical gear；Institute
State conical gear among input Bevel Gear Drive, intermediate conical gear mounting shell body；Each input conical gear also connects
Connect a brake；The shell installs output gear, the outer ring of output gear the first gear ring of engaged transmission, the first gear ring it is interior
Circle engagement the first planetary gear, the first planetary gear engaged transmission the first sun gear while output power；First sun gear is same
It is driven to axis the second sun gear, the second sun gear the second planetary gear of engaged transmission, the second planetary gear engages the second gear ring, the second row
Star-wheel connects the first gear ring by pivoted arm；The sun gear is also connected with another brake, and one gear ring is also connected with third
A brake.
Implement above-mentioned technical proposal, due to designing two driving machines Drive differential alone or in combination, differential drive
Planet row realizes individually when selecting brake to carry out closure braking and/or release rotation to differential mechanism and/or planet row
The multiple drive modes such as large and small speed ratio are reduced in the case where respective motor matches gear pair under driving and joint drive condition
The revolving speed for entering differential assembly, controls vibrating noise intensity well；By utilizing differential assembly can be fine
Realize the driving of single motor large speed ratio and bi-motor without precise rotation matching joint driving in ground；It can be well by double planet wheel rows of mixing
It realizes the driving demand of top gear and bottom gear, while realizing neutral gear and park mode, without increasing any cost；Make power
The features such as assembly is very compact, cost control is fine, vibrating noise is small, small and high reliablity is lost in system dynamic is suitable for each
Kind electric vehicle.
Detailed description of the invention
Fig. 1 is the schematic diagram that bi-motor differential compound planetary arranges power assembly.
In figure: 1- first motor, 2- first motor axis, 3- first motor gear, the first input gear of 4-, the right braking of 5-
Disk, the right brake of 6-, the right input shaft of 7-, 8- output gear, the first differential assembly of 9-, the right input conical gear of 10-, 11- are left
Input conical gear, the second motor gear of 12-, the second motor shaft of 13-, the second motor of 14-, the second input gear of 15-, the left side 16-
Input shaft, the left brake disc of 17-, the left brake of 18-, the second gear ring of 19-, 20- intermediate shaft brake disk, 21- gear ring brake disc, 22-
Second planetary gear, the first planetary gear of 23-, the second differential assembly of 24-, the second sun gear of 25-, 26- left half axle, 27- jackshaft,
The first sun gear of 28-, 29- right axle shaft, the first pivoted arm of 30-, the first gear ring of 31-, the second pivoted arm of 32-, 33- gear ring connecting shaft, 34-
Gear ring brake, 35- intermediate shaft brake, the first differential casing of 36-.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, bi-motor differential compound planetary row power assembly is mainly by bi-motor, the first differential assembly 9, the
Two 24, two groups of differential assembly motor gears pairs, double planet wheel rows of mixing and four groups of brakes compositions.Bi-motor and the first differential mechanism are total
It is laid out at 9 parallel axes, the first differential assembly 9 is laid out with double planet wheel rows of mixing parallel axes, double planet wheel rows of mixing and the second differential assembly 24
It is co-axially mounted.
First motor 1 is connect by first motor axis 2 with first motor gear 3, first motor gear 3 and the first input tooth
4 external toothings are taken turns, the first input gear 4 is fixedly mounted on right input shaft 7.Second motor 14 passes through the second motor shaft 13 and second
Motor gear 12 connects, and 15 external toothing of the second motor gear 12 and the second input gear, the second input gear 15 is fixedly mounted on
On left input shaft 16.
First differential assembly 9 is by right input conical gear 10, intermediate conical gear, left input conical gear 11 and first
Differential casing 36 is constituted.Left input conical gear 11 and right input conical gear 10 are driven intermediate conical gear respectively, intermediate
Conical gear is installed on the first differential casing 36.
Right brake disc 5 and right input conical gear 10 are respectively in 4 both sides of the first input gear and are fixedly mounted on right input
On axis 7, right brake disc 5 is mounted between the left and right module of right brake 6 by certain interval.Left brake disc 17 and left input circular cone
Gear 11 is respectively in 15 both sides of the second input gear and is fixedly mounted on left input shaft 16, and left brake disc 17 is pacified by certain interval
Between the left and right friction block of left brake 18.
Output gear 8 is fixedly mounted on the first differential casing 36, and output gear 8 is driven double planet wheel rows of mixing.
First planet row is made of the first sun gear 28, the first planetary gear 23, the first pivoted arm 30 and the first gear ring 31.First
Simultaneous processing has ring gear and outer gear ring on the internal and external circumference of gear ring 31, nibbles outside output gear 8 and the outer gear ring of the first gear ring 31
It closes, 23 external toothing of the first sun gear 28 and the first planetary gear, the ring gear internal messing of the first planetary gear 23 and the first gear ring 31, the
One planetary gear 23 is mounted on the first pivoted arm 30.
Second planet row is made of the second sun gear 25, the second planetary gear 22, the second pivoted arm 32 and the second gear ring 19.Second
22 external toothing of sun gear 25 and the second planetary gear, 19 internal messing of the second planetary gear 22 and the second gear ring, the installation of the second planetary gear 22
On the second pivoted arm 32, the second pivoted arm 32 is fixedly connected with the first gear ring 31.
First pivoted arm 30 is fixedly connected with the shell of the second differential assembly 24, and the second differential assembly 24 passes through left half axle
26 and 29 output power of right axle shaft.
Intermediate shaft brake disk 20, the second sun gear 25, the first sun gear 28 are successively fixedly mounted on jackshaft 27, intermediate
Axis is hollow shaft structure, and left half axle 26 passes through jackshaft 27 and connect with the second differential assembly 24.Intermediate shaft brake disk 20 presses one
Fixed gap is mounted between the left and right friction block of intermediate shaft brake 35.Gear ring connecting shaft is hollow shaft structure, and jackshaft 27 is worn
Cross gear ring connecting shaft 33.Second gear ring 19 is fixedly connected by gear ring connecting shaft 33 with gear ring brake disc 21, gear ring brake disc 21
It is mounted between the left and right friction block of gear ring brake 34 by certain interval.
When left brake and intermediate shaft brake closure, right brake and gear ring brake discharge, i.e., left brake disc and
Intermediate shaft brake disk is locked up, and right brake disc and gear ring brake disc are in and state are freely rotated, in turn, left input conical gear with
Second sun gear, the first sun gear are locked up, and right input conical gear and the second gear ring are in the state that is freely rotated, and realize first
The independent large speed ratio drive mode of motor；When left brake and gear ring arrester close, right brake and intermediate shaft brake release
When, i.e., left brake disc and gear ring brake disc are locked up, and right brake disc and intermediate shaft brake disk are in and state are freely rotated, in turn,
Left input conical gear and the second gear ring are locked up, and right input conical gear and the second sun gear, the first sun gear are in freely
Rotary state realizes first motor individually small speed ratio drive mode.
When right brake and intermediate shaft brake closure, left brake and gear ring brake discharge, i.e., right brake disc and
Intermediate shaft brake disk is locked up, and left brake disc and gear ring brake disc are in and state are freely rotated, in turn, right input conical gear with
Second sun gear, the first sun gear are locked up, and left input conical gear and the second gear ring are in the state that is freely rotated, and realize second
The independent large speed ratio drive mode of motor；When right brake and gear ring arrester close, left brake and intermediate shaft brake release
When, i.e., right brake disc and gear ring brake disc are locked up, and left brake disc and intermediate shaft brake disk are in and state are freely rotated, in turn,
Right input conical gear and the second gear ring are locked up, and left input conical gear and the second sun gear, the first sun gear are in freely
Rotary state realizes the second motor individually small speed ratio drive mode.
When left brake, right conical gear brake and gear ring brake discharge, and intermediate shaft brake is closed, i.e., left system
Moving plate, right brake disc and gear ring brake disc are in and state are freely rotated, and intermediate shaft brake disk is locked up, in turn, left input circular cone
Gear, right input conical gear and the second gear ring are in and state are freely rotated, and the second sun gear and the first sun gear are in locking
State realizes that first motor and the second motor combine large speed ratio drive mode.
When left brake, right conical gear brake and intermediate shaft brake release, gear ring arrester close, i.e., left system
Moving plate, right brake disc and intermediate shaft brake disk are in and state are freely rotated, and gear ring brake disc is locked up, in turn, left input circular cone
Gear, right input conical gear, the second sun gear and the first sun gear are in and state are freely rotated, and the second gear ring is in locking shape
State realizes that first motor and the second motor combine small speed ratio drive mode.
Bi-motor differential compound planetary, which arranges power assembly, has multiple drive modes.
1, mode is operated alone in first motor.Mode is operated alone with large speed ratio and two kinds of small speed ratio in first motor 1.When
When left brake 18 and the closure of intermediate shaft brake 35, right brake 6 and the release of gear ring brake 34, the second motor 14 are closed,
I.e. left brake disc 17 and intermediate shaft brake disk 20 are locked up, and right brake disc 5 and gear ring brake disc 21 are in and state are freely rotated, into
And left input conical gear 11 and the second sun gear 25, the first sun gear 28 are locked up, right input conical gear 10 and the second tooth
Circle 19 is in and state is freely rotated；First motor 1 obtains electric energy from vehicle power supply and is converted into power and inputted by first motor
Axis 2 passes to first motor gear 3, and power is passed to the right side through right input shaft 7 by the first input gear 4 by first motor gear 3
Conical gear 10 is inputted, power is passed to the shell of the first differential assembly 9 by right input conical gear 10 through intermediate conical gear
Power is passed to the first gear ring 31 by output gear 8 by the shell of body, the first differential assembly 9, and the first gear ring 31 passes through power
First planetary gear 23 passes to the first pivoted arm 30, and the first pivoted arm 30 imparts power to the second differential assembly 24, the second differential
Device assembly 24 imparts power to left half axle 26 and right axle shaft 29, realizes the independent large speed ratio drive mode of first motor 1.
When left brake 18 and the closure of gear ring brake 34, right brake 6 and the release of intermediate shaft brake 35, the second motor
When 14 closing, i.e., left brake disc 17 and gear ring brake disc 21 are locked up, and right brake disc 5 and intermediate shaft brake disk 35 are in and freely turn
Dynamic state, in turn, left input conical gear 11 and the second gear ring 19 are locked up, right input conical gear 10 and the second sun gear
25, the first sun gear 28 is in and state is freely rotated；First motor 1 obtains electric energy from vehicle power supply and is converted into power by
One motor input shaft 2 passes to first motor gear 3, and first motor gear 3 is by power by the first input gear 4 through right input shaft
7 pass to right input conical gear 10, and power is passed to the first differential mechanism through intermediate conical gear by right input conical gear 10
Power is passed to the first gear ring 31, the first gear ring 31 by output gear 8 by the shell of the shell of assembly 9, the first differential assembly 9
A part of power is passed into the first pivoted arm 30 through the first planetary gear 23, by another part power by the second pivoted arm 32 through second
Planetary gear 22 passes to the second sun gear 25, this partial power is passed to the first sun gear through jackshaft 27 by the second sun gear 25
28, power is passed to the first pivoted arm 30 through the first planetary gear 23 by the first sun gear 28, and the first pivoted arm 30 will pass after power coupling
The second differential assembly 24 is passed, the second differential assembly 24 imparts power to left half axle 26 and right axle shaft 29, realizes first
The independent small speed ratio drive mode of motor 1.
2, mode is operated alone in the second motor.Mode is operated alone with large speed ratio and two kinds of small speed ratio in second motor 14.
When left brake 18 and the release of gear ring brake 34, right brake 6 and the closure of intermediate shaft brake 35, first motor 1 are closed,
I.e. left brake disc 17 and gear ring brake disc 21, which are in, is freely rotated state, and right brake disc 5 and intermediate shaft brake disk 20 are locked up, into
And left input conical gear 11 and the second gear ring 19 are in and state, right input conical gear 10 and the second sun gear are freely rotated
25, the first sun gear 28 is locked up；Electric energy is obtained from vehicle power supply for second motor 14 and to be converted into power defeated by the second motor
Enter axis 13 and pass to the second motor gear 12, the second motor gear 12 is passed power by the second input gear 15 through left input shaft 16
Left input conical gear 11 is passed, power is passed to the first differential assembly through intermediate conical gear by left input conical gear 11
Power is passed to the first gear ring 31 by output gear 8 by the shell of 9 shell, the first differential assembly 9, and the first gear ring 31 will move
Power passes to the first pivoted arm 30 through the first planetary gear 23, and the first pivoted arm 30 imparts power to the second differential assembly 24, and second
Differential assembly 24 imparts power to left half axle 26 and right axle shaft 29, realizes the independent large speed ratio drive mode of the second motor 14.
When left brake 18 and the release of intermediate shaft brake 35, right brake 6 and the closure of gear ring brake 34, first motor
When 1 closing, i.e., left brake disc 17 and intermediate shaft brake 35 are in and state, right brake disc 5 and gear ring brake disc 21 are freely rotated
It is locked up, in turn, left input conical gear 11 and the second sun gear 25, the first sun gear 28 are in the state that is freely rotated, right defeated
Enter conical gear 10 and the second gear ring 19 is locked up；Second motor 14 obtains electric energy from vehicle power supply and is converted into power by
Two motor input shafts 13 pass to the second motor gear 12, and the second motor gear 12 is by power by the second input gear 15 through left defeated
Enter axis 16 and pass to left input conical gear 11, it is poor that power is passed to first through intermediate conical gear by left input conical gear 11
Power is passed to the first gear ring 31, the first tooth by output gear 8 by the shell of the shell of fast device assembly 9, the first differential assembly 9
A part of power is passed to the first pivoted arm 30 through the first planetary gear 23 by circle 31, and another part power is passed through by the second pivoted arm 32
Second planetary gear 22 passes to the second sun gear 25, this partial power is passed to first too through jackshaft 27 by the second sun gear 25
Power is passed to the first pivoted arm 30 through the first planetary gear 23 by sun wheel 28, the first sun gear 28, and the first pivoted arm 30 is by power coupling
After pass to the second differential assembly 24, the second differential assembly 24 imparts power to left half axle 26 and right axle shaft 29, realize
The independent small speed ratio drive mode of second motor 14.
3, first motor combines drive mode with the second motor.First motor combines drive there are two types of speed ratio with the second motor tool
Dynamic model formula.When left brake 6, right conical gear brake 18 and gear ring brake 34 discharge, and intermediate shaft brake 35 is closed,
I.e. left brake disc 17, right brake disc 5 and gear ring brake disc 21 are in and state are freely rotated, and intermediate shaft brake disk 20 is locked up, into
And left input conical gear 11, right input conical gear 10 and the second gear ring 19 are in and state, the second sun gear 25 are freely rotated
Lockup state is in the first sun gear 28；First motor 1 obtains electric energy from vehicle power supply and is converted into power by the first electricity
Machine input shaft 2 passes to first motor gear 3, and first motor gear 3 is passed power by the first input gear 4 through right input shaft 7
Right input conical gear 10 is passed, power is passed to the first differential assembly through intermediate conical gear by right input conical gear 10
9 shell；Second motor 14, which obtains electric energy from vehicle power supply and is converted into power, passes to by the second motor input shaft 13
Power is passed to left input circular cone through left input shaft 16 by the second input gear 15 by two motor gears 12, the second motor gear 12
Power is passed to the shell of the first differential assembly 9 by gear 11, left input conical gear 11 through intermediate conical gear；First is poor
The shell of fast device assembly 9 will pass to the first tooth by output gear 8 after the power coupling from first motor 1 and the second motor 14
Circle 31；Power is passed to the first pivoted arm 30 through the first planetary gear 23 by the first gear ring 31, and the first pivoted arm 30 imparts power to
Two differential assemblies 24, the second differential assembly 24 impart power to left half axle 26 and right axle shaft 29, realize 1 He of first motor
Second motor 14 combines large speed ratio drive mode.
When left brake 6, right conical gear brake 18 and intermediate shaft brake 35 discharge, gear ring brake 34 is closed
When, i.e., left brake disc 17, right brake disc 5 and intermediate shaft brake disk 20 are in and state are freely rotated, and gear ring brake disc 21 is locked up,
In turn, left input conical gear 11, right input conical gear 10, the second sun gear 25 and the first sun gear 28 are in and are freely rotated
State, the second gear ring 19 are in lockup state；First motor 1 obtains electric energy from vehicle power supply and is converted into power by the first electricity
Machine input shaft 2 passes to first motor gear 3, and first motor gear 3 is passed power by the first input gear 4 through right input shaft 7
Right input conical gear 10 is passed, power is passed to the first differential assembly through intermediate conical gear by right input conical gear 10
9 shell；Second motor 14, which obtains electric energy from vehicle power supply and is converted into power, passes to by the second motor input shaft 13
Power is passed to left input circular cone through left input shaft 16 by the second input gear 15 by two motor gears 12, the second motor gear 12
Power is passed to the shell of the first differential assembly 9 by gear 11, left input conical gear 11 through intermediate conical gear；First is poor
The shell of fast device assembly 9 will pass to the first tooth by output gear 8 after the power coupling from first motor 1 and the second motor 14
Circle 31；A part of power is passed to the first pivoted arm 30 through the first planetary gear 23 by the first gear ring 31, by another part power by
Second pivoted arm 32 passes to the second sun gear 25 through the second planetary gear 22, and the second sun gear 25 is by this partial power through jackshaft 27
The first sun gear 28 is passed to, power is passed to the first pivoted arm 30, the first pivoted arm through the first planetary gear 23 by the first sun gear 28
30 will pass to the second differential assembly 24 after power coupling, the second differential assembly 24 imparts power to left half axle 26 and the right side
Semiaxis 29 realizes that first motor 1 and the second motor 14 combine small speed ratio drive mode.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (6)
1. a kind of bi-motor differential compound planetary arranges power assembly, including two driving machines, it is characterised in that: two drivings
Individually or in combination two input conical gears of Drive differential, the shell of differential mechanism transmit power to several columns phase to machine
The planet row mutually to link, planet row output power.
2. bi-motor differential compound planetary according to claim 1 arranges power assembly, which is characterized in that the driving machine with
At least two-stage gear pair is drivingly connected between differential mechanism；The driving machine drives chopped-off head gear pair, the final-stage gear pair
It is axially mounted on input conical gear.
3. bi-motor differential compound planetary according to claim 1 arranges power assembly, which is characterized in that the differential mechanism
Shell is driven chopped-off head planet row, and final stage planet row is driven another differential mechanism, the differential mechanism output power.
4. bi-motor differential compound planetary according to claim 1 arranges power assembly, which is characterized in that a driving machine
One input conical gear of Drive differential, meanwhile, another input conical gear of another driving machine Drive differential；
The shell of the differential mechanism installs output gear, the outer ring of output gear the first gear ring of engaged transmission, the first gear ring it is interior
Circle engagement the first planetary gear, the first planetary gear engaged transmission the first sun gear while output power；
First sun gear is coaxially driven the second sun gear, the second sun gear the second planetary gear of engaged transmission, the second planet
Wheel the second gear ring of engagement, the second planetary gear connect the first gear ring by pivoted arm.
5. bi-motor differential compound planetary according to claim 4 arranges power assembly, which is characterized in that each input
Conical gear connects a brake, and the sun gear connects another brake, one gear ring connection third braking
Device.
6. a kind of bi-motor differential compound planetary arranges power assembly, including two driving machines, it is characterised in that: a driving machine
One input conical gear of transmission, meanwhile, another driving machine is driven another input conical gear；
Conical gear among the input Bevel Gear Drive, intermediate conical gear mounting shell body；
Each input conical gear is also connected with a brake；
The shell installs output gear, the outer ring of output gear the first gear ring of engaged transmission, the inner ring engagement of the first gear ring the
One planetary gear, the first planetary gear engaged transmission the first sun gear while output power；
First sun gear is coaxially driven the second sun gear, the second sun gear the second planetary gear of engaged transmission, the second planet
Wheel the second gear ring of engagement, the second planetary gear connect the first gear ring by pivoted arm；
The sun gear is also connected with another brake, and one gear ring is also connected with third brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363315.5A CN110027393A (en) | 2019-04-30 | 2019-04-30 | Bi-motor differential compound planetary arranges power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363315.5A CN110027393A (en) | 2019-04-30 | 2019-04-30 | Bi-motor differential compound planetary arranges power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110027393A true CN110027393A (en) | 2019-07-19 |
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| CN201910363315.5A Pending CN110027393A (en) | 2019-04-30 | 2019-04-30 | Bi-motor differential compound planetary arranges power assembly |
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| CN114393990A (en) * | 2021-12-21 | 2022-04-26 | 徐州博汇世通重工机械有限责任公司 | Double-motor-driven wheel type chassis |
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