CN104960414B - Power transmission system and vehicle having same - Google Patents
Power transmission system and vehicle having same Download PDFInfo
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- CN104960414B CN104960414B CN201510366633.9A CN201510366633A CN104960414B CN 104960414 B CN104960414 B CN 104960414B CN 201510366633 A CN201510366633 A CN 201510366633A CN 104960414 B CN104960414 B CN 104960414B
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Abstract
The invention discloses a power transmission system and a vehicle having the power transmission system. The power transmission system comprises a shell, a drive motor, an input shaft, a first clutch, a second clutch, a first planetary gear mechanism, a second planet gear mechanism, an output gear, a main reducer, a differential and a hydraulic control system. The input shaft is connected to the drive motor, the first clutch and the second clutch are arranged on the input shaft, the first clutch is selectively connected with a first sun gear of the first planetary gear mechanism, the second clutch is selectively connected with a second planetary frame of the second planetary gear mechanism, a first planetary frame is fixedly connected with the output gear, a second gear ring is fixedly connected with the first planetary frame, the first sun gear is fixedly connected with a second sun gear, and the hydraulic control system is used for controlling the first clutch and the second clutch to be connected and disconnected. According to the power transmission system, the highly effective range of the drive motor can be effectively used, and the climbing speed is fast.
Description
Technical field
The present invention relates to vehicular field, more particularly, to a kind of power drive system and with the power drive system
Vehicle.
Background technology
In correlation technique, the power drive system form of pure electric automobile is more.Wherein, motor and single-stage are mainly matched
The power drive system of decelerator and matching have the power drive system of motor and multi-speed automatic transmission, partly using matching
There is the power-transmission system of motor and single planetary row two-shift automatic speed variator.
It is furnished with the power drive system of motor and single reduction gear, in order to meet climbing and operating mode of running at high speed, to motor
Require it is higher, and motor be operated in high efficiency range chance it is less, cause power drive system less efficient.Matching has motor
With the shortcoming that the power drive system of automatic mechanical transmission overcomes single reduction gear, but, because mechanical type becomes automatically
Using the structure of parallel-axis type more than fast device, quality volume is larger, is unfavorable for realizing lightweight, in affecting the driving of electric automobile
Journey.And, dynamic interruption, shift shock are larger when automatic mechanical transmission is shifted gears, and comfortableness is poor.Using single planetary row
The scheme of two-shift automatic speed variator generally uses wet clutch as shifting element, and transmission efficiency is low, and single planetary row speed ratio
Scope is less, bad adaptability.Typically adopt between pure electric automobile motor and single-stage speed reducing device or automatic mechanical transmission
Spline connection or flange connect, and to process and assemble certain difficulty is brought, and cost is also corresponding higher.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the present invention is carried
Go out a kind of power drive system, the power drive system can be with the high efficiency range of effectively utilizes motor, and climbing, it is fast to accelerate.
The present invention further proposes a kind of vehicle.
Power drive system of the invention, including：Housing；Motor, the motor is arranged on the shell
In vivo and it is provided with motor shaft；Input shaft, the input shaft is connected with the motor shaft；First clutch, the first clutch
Including the first driving disc spacing pressing and the first clutch plate, first driving disc spacing pressing is fixedly connected on the input shaft, and described first is driven
Circle or whirl in the air and be set on the input shaft, first driving disc spacing pressing is selectively engaged and disconnects first clutch plate；Second
Clutch, the second clutch includes the second driving disc spacing pressing and the second clutch plate, and second driving disc spacing pressing is fixedly connected on described
On input shaft, the second clutch plate empty set is arranged on the input shaft, and second driving disc spacing pressing is selectively engaged and breaks
Open second clutch plate；First planet gear mechanism, the first planet gear mechanism includes：First sun gear, the first row
Star-wheel, the first row carrier and the first gear ring, first sun gear is fixedly connected with first clutch plate, the first planet
Wheel is set in the first row carrier and engages with first gear ring and first sun gear respectively, first gear ring
It is fixedly connected with the housing；Second planetary gears, second planetary gears includes：Second sun gear, second
Planetary gear, the second planet carrier and the second gear ring, second sun gear is fixedly connected with first sun gear, second row
Star-wheel is set on second planet carrier and engages with second sun gear and second gear ring respectively, second tooth
Circle is fixedly connected with the first row carrier, and second planet carrier is fixedly connected with second clutch plate；Output gear, institute
State output gear to be fixedly connected with the first row carrier；Main reducing gear, the main reducing gear is provided with Driven Gear of Final Reduction Gear, institute
State Driven Gear of Final Reduction Gear to engage with the output gear；Differential mechanism, the differential mechanism is connected with the main reducing gear；Hydraulic control
System, the hydraulic control system includes：Fuel tank；Cleaner assembly, the cleaner assembly is connected with the fuel tank；Oil pump,
The oil pump is connected with the cleaner assembly, and the oil pump is provided with Oil pump electrical machinery；Check valve, the check valve with it is described
Oil pump is connected；First control valve, the first control valve is connected with the check valve；First hydraulic cylinder, the first hydraulic cylinder
It is provided with first piston and is connected with the described first control valve so that the first control valve controls the first piston motion；First
Shift fork, first shift fork be connected between the first piston and first driving disc spacing pressing with control first driving disc spacing pressing and
The engagement and disconnection of first clutch plate；Second control valve, the second control valve is connected with the check valve；Second hydraulic pressure
Cylinder, the second hydraulic cylinder is provided with second piston and is connected with the described second control valve so that the second control valve control is described
Second piston is moved；Second shift fork, second shift fork is connected between the second piston and second driving disc spacing pressing to control
Make the engagement and disconnection of second driving disc spacing pressing and second clutch plate；Accumulator, the accumulator is connected to described unidirectional
On the valve connecting line total with the described second control valve with the described first control valve and the check valve；Control unit, it is described
Control unit is connected to control the opening and closing shape of the first control valve respectively with the described first control valve and the second control valve
The open and-shut mode of state and the second control valve.
Power drive system of the invention, with two gears, can with the high efficiency range of effectively utilizes motor,
Climbing accelerates soon, and compact conformation, light weight, the small volume of power drive system, and power links up in shift process.Separately
Outward, using first planet gear mechanism and the second planetary gears, version is various, can be according to need for power drive system
Different speed ratios are designed, the design requirement of different vehicle is met.
In addition, power drive system of the invention can also have following additional technical feature：
In some examples of the present invention, first sun gear, second sun gear and first clutch plate are same
Axle is arranged.
In some examples of the present invention, first sun gear, second sun gear and first clutch plate are
It is integrally formed.
In some examples of the present invention, the first clutch is jaw clutch, and the second clutch is dry
Formula clutch.
In some examples of the present invention, the first clutch is arranged adjacent to the first planet gear mechanism, described
Second clutch is arranged between second planetary gears and the motor, and second driving disc spacing pressing is adjacent to described
Motor is arranged.
In some examples of the present invention, the cleaner assembly includes the first cleaner and final cleaner, described the
One cleaner is connected between the fuel tank and the oil pump, and the final cleaner is connected to the oil pump and the check valve
Between.
The present invention some examples in, the input shaft be solid shafting, first sun gear, second sun gear
Hollow axle is collectively formed with first clutch plate and empty set is on the input shaft.
In some examples of the present invention, described first controls valve and described second controls valve for electromagnetic valve.
In some examples of the present invention, the first clutch, the second clutch, the first planet gear mechanism
Structure, second planetary gears, the motor and the main reducing gear are integrated in the housing.
Vehicle according to the invention, including above-mentioned power drive system.Vehicle with above-mentioned power drive system
Efficiency high, climbing accelerates fast, compact conformation, can also realize the lightweight of vehicle, and power links up in shift process,
Fast ratio can be designed as needed.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
It is substantially and easy to understand, wherein：
Fig. 1 is the structural representation of power drive system according to embodiments of the present invention；
Power transmission line figure when Fig. 2 is PWTN unification gear according to embodiments of the present invention；
Fig. 3 is power transmission line figure when power drive system two according to embodiments of the present invention is kept off.
Reference：
Power drive system 100；
Fuel tank 1；First cleaner 2；Oil pump electrical machinery 3；Oil pump 4；Final cleaner 5；Check valve 6；Accumulator 7；First control
Valve processed 8；Control unit 9；First hydraulic cylinder 10；First shift fork 11；First gear ring 12；The first row star-wheel 13；First driving disc spacing pressing 14；
First clutch plate 15；Input shaft 16；First sun gear 17；Output gear 18；Driven Gear of Final Reduction Gear 19；Housing 20；First planet
Frame 21；Semiaxis 22；Differential mechanism 23；First planet gear mechanism 24；Second gear ring 25；Second planetary gear 26；Second planet carrier 27；
Second clutch plate 28；Second driving disc spacing pressing 29；Motor 30；Second shift fork 31；Second hydraulic cylinder 32；Second control valve 33；The
Two sun gears 34；Second planetary gears 35；Cleaner assembly 36；First clutch 37；Second clutch 38；Hydraulic control
System 40.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " is, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of indication must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more this feature can be expressed or be implicitly included to the feature of " second ".At this
In the description of invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can be with
Above-mentioned term concrete meaning in the present invention is understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact but by it including the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Power drive system 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 3.According to embodiments of the present invention
Power drive system 100 can apply on vehicle (such as electric automobile).
As shown in figure 1, power drive system 100 according to embodiments of the present invention can include：Housing 20, motor
30th, input shaft 16, first clutch 37, second clutch 38, first planet gear mechanism 24, the second planetary gears 35,
Output gear 18, main reducing gear, differential mechanism 23 and hydraulic control system 40.
Motor 30 is arranged in housing 20, and motor 30 is provided with motor shaft, input shaft 16 and motor shaft
It is connected, so as to motor 30 can drive input shaft 16 to rotate to export power.First clutch 37 includes the first driving disc spacing pressing
14 and first clutch plate 15, the first driving disc spacing pressing 14 is fixedly connected on input shaft 16, and the empty set of the first clutch plate 15 is arranged on input
On axle 16, the first driving disc spacing pressing 14 is selectively engaged and disconnects the first clutch plate 15.First planet gear mechanism 24 includes：First
Sun gear 17, the first row star-wheel 13, the gear ring 12 of the first row carrier 21 and first, the first sun gear 17 is fixed with the first clutch plate 15
Connection, the first row star-wheel 13 is set in the first row carrier 21, and the first row star-wheel 13 respectively with the first gear ring 12 and first
Sun gear 17 is engaged, and the first gear ring 12 is fixedly connected with housing 20.Because the first driving disc spacing pressing 14 is fixedly connected on input shaft 16,
And first sun gear 17 be fixedly connected with the first clutch plate 15, it is defeated when the first driving disc spacing pressing 14 and the first clutch plate 15 are engaged
Entering axle 16 can pass to the first sun gear 17 by the power that motor 30 is exported, and the first sun gear 17 is used as first planet tooth
The power intake of wheel mechanism 24.Because the first gear ring 12 is fixedly connected with housing 20, so the first row carrier 21 is used as first
The clutch end of planetary gears 24.Output gear 18 is fixedly connected with the first row carrier 21, and the first row carrier 21 can be with
The power of motor 30 is passed to output gear 18 to drive vehicle movement.Alternatively, first clutch 37 can be tooth
Embedded-type clutch.
As shown in figure 1, the second driving disc spacing pressing 29 is fixedly connected on input shaft 16, the empty set of the second clutch plate 28 is arranged on input
On axle 16, the second driving disc spacing pressing 29 is selectively engaged and disconnects the second clutch plate 28.Alternatively, second clutch 38 can be dry
Formula clutch.Second planetary gears 35 includes：Second sun gear 34, the second planetary gear 26, the second planet carrier 27 and second
Gear ring 25, the second sun gear 34 is fixedly connected with the first sun gear 17, and the second planetary gear 26 is set on the second planet carrier 27, and
And second planetary gear 26 engage with the second sun gear 34 and the second gear ring 25 respectively, the second gear ring 25 and the first row carrier 21 are fixed
Connection, the second planet carrier 27 is fixedly connected with the second clutch plate 28.It is understood that when second clutch 38 is engaged and first
Clutch 37 disconnect when, the second planet carrier 27 as the second planetary gears 35 power intake, the conduct of the second gear ring 25
The clutch end of the second planetary gears 35, due to the first row carrier 21 be connected to the gear ring 25 of output gear 18 and second it
Between, the second gear ring 25 can impart power to output gear 18 to drive vehicle movement.Alternatively, as shown in figure 1, first from
Clutch 37 can be arranged adjacent to first planet gear mechanism 24, and second clutch 38 can be arranged on the second planetary gears 35
And motor 30 between, the second driving disc spacing pressing 29 is arranged adjacent to motor 30, so that the cloth of power drive system 100
Put rationally, compact conformation, and stable transmission.
Alternatively, as shown in figure 1, the first sun gear 17, the second sun gear 34 and the first clutch plate 15 can with coaxially arranged,
So that the compact conformation of power drive system 100, reduces space occupancy rate.Alternatively, the first sun gear 17, second is too
Sun wheel 34 and the first clutch plate 15 can be formed as one, such that it is able to improve the first sun gear 17, the second sun gear 34 and the
The overall construction intensity of one clutch plate 15, can further extend the service life of power drive system 100.Alternatively, such as
Shown in Fig. 1, input shaft 16 can be solid shafting, and the first sun gear 17, the second sun gear 34 and the first clutch plate 15 are collectively formed
Hollow axle, and the first sun gear 17, the second sun gear 34 and the empty set of the first clutch plate 15 are on input shaft 16.
As shown in Figure 1-Figure 3, main reducing gear is provided with Driven Gear of Final Reduction Gear 19, Driven Gear of Final Reduction Gear 19 and output gear 18
Engagement, differential mechanism 23 is connected with main reducing gear.It is understood that output gear 18 can be transmitted by Driven Gear of Final Reduction Gear 19
To main reducing gear, main reducing gear can further impart power to differential mechanism 23 to drive vehicle movement.
Alternatively, first clutch 37, second clutch 38, first planet gear mechanism 24, the second planetary gears
35th, motor 30 and main reducing gear can be integrated in housing 20, such that it is able to further save power drive system 100
Space, and the arrangement of mounting structure (such as mounting flange, nut and screw rod) can be reduced, reduce manufacturing cost and manufacture
Difficulty.
As shown in figure 1, hydraulic control system 40 includes：Fuel tank 1, cleaner assembly 36, oil pump 4, check valve 6, first are controlled
Valve processed 8, first hydraulic cylinder 10, the first shift fork 11, second control valve 33, second hydraulic cylinder 32, the second shift fork 31, the and of accumulator 7
Control unit 9.Cleaner assembly 36 is connected with fuel tank 1, and oil pump 4 is connected with cleaner assembly 36, and oil pump 4 is provided with oil pump
Motor 3, check valve 6 is connected with oil pump 4.By arranging cleaner assembly 36, can play a part of to filter fluid.Specifically,
As shown in figure 1, cleaner assembly 36 can include the first cleaner 2 and final cleaner 5, the first cleaner 2 is connected to fuel tank 1
And oil pump 4 between, final cleaner 5 is connected between oil pump 4 and check valve 6.It should be noted that hydraulic control system 40 can
To selectively turn on and close Oil pump electrical machinery 3 to reduce the purpose of oil consumption according to the needs of hydraulic control.In addition, existing
The oil pump of vehicle is by driven by engine, but motor, without idling mode, hydraulic control system can not when electric automobile is started to walk
Work, therefore, power drive system 100 according to embodiments of the present invention can drive oil pump 4 by Oil pump electrical machinery 3, so as to can
To overcome above-mentioned shortcoming.It should be noted that accumulator 7 can be in due course the energy in hydraulic control system 40
It is changed into compression energy or potential energy is stored, when hydraulic control system 40 needs, and compression energy or potential energy is changed into into hydraulic pressure
Or air pressure etc. can and discharge, supply hydraulic control system 40 is mended again.
First control valve 8 is connected with check valve 6, and first hydraulic cylinder 10 is provided with first piston (not shown), and first
Hydraulic cylinder 10 is connected with the first control valve 8 so that the first control control first piston of valve 8 is moved, and the first shift fork 11 is connected to first
With the engagement and disconnection of the first driving disc spacing pressing 14 of control and the first clutch plate 15 between piston and the first driving disc spacing pressing 14.
Second control valve 33 is connected with check valve 6, and second hydraulic cylinder 32 is provided with second piston (not shown), and second
Hydraulic cylinder 32 is connected with the second control valve 33 so that the second control control second piston of valve 33 is moved, and the second shift fork 31 is connected to the
With the engagement and disconnection of the second driving disc spacing pressing 29 of control and the second clutch plate 28 between two pistons and the second driving disc spacing pressing 29.Alternatively,
The first control control valve 33 of valve 8 and second can be electromagnetic valve.The first control control valve 33 of valve 8 and second can be normally closed
Formula electromagnetic valve, when being input into without the signal of telecommunication, closed electromagnetic valve, when there is the signal of telecommunication to be input into, electromagnetic valve is opened.
Accumulator 7 is connected to the total connecting tube of the control valve 8 of check valve 6 and first and the control valve 33 of check valve 6 and second
Lu Shang.It is understood that the import of check valve 6 is connected with final cleaner 5, the outlet of check valve 6 is connected with accumulator 7,
But also be connected with the first control control valve 33 of valve 8 and second, such that it is able to control the flow direction of fluid.
Control unit 9 is connected to control the first opening and closing shape for controlling valve 8 with the first control control valve 33 of valve 8 and second respectively
The open and-shut mode of state and the second control valve 33.Alternatively, the first control control valve 33 of valve 8 and second can be two-position three way
Valve.
Describe the operation principle of power drive system 100 according to embodiments of the present invention in detail below in conjunction with the accompanying drawings.
One gear transmission process：Motor 30 imparts power to input shaft 16 by motor shaft, first clutch 37
First driving disc spacing pressing 14 engages the first clutch plate 15, and input shaft 16 imparts power to first planet gear by first clutch 37
First sun gear 17 of mechanism 24, because the first gear ring 12 and housing 20 are fixed, so the first row carrier 21 is used as first planet
The clutch end output power of gear mechanism 24, the power of output passes to output gear 18, output gear 18 and main deceleration
Device gear 19 is engaged, such that it is able to impart power to differential mechanism 23 to drive vehicle movement by main reducing gear.Need explanation
, to rotate forward, when motor 30 is inverted, power drive system 100 can be real for the steering of motor 30 when setting a gear
Now reverse gear traveling.Black shown in Fig. 2 adds the route map that the i.e. gear of thick lines is driven.
Two gear transmission process：Motor 30 imparts power to input shaft 16 by motor shaft, second clutch 38
Second driving disc spacing pressing 29 engages the second clutch plate 28, and input shaft 16 imparts power to the second planet carrier by second clutch 38
27, used as the power intake of the second planetary gears 35, the second gear ring 25 can be used as the second planet for the second planet carrier 27
The clutch end of gear mechanism 35, because the second gear ring 25 is fixedly connected with the first row carrier 21, so the second gear ring 25 can
To impart power to output gear 18, output gear 18 is engaged with Driven Gear of Final Reduction Gear 19, such that it is able to pass through main reducing gear
Impart power to differential mechanism 23 to drive vehicle movement.Black shown in Fig. 3 adds the route map that i.e. two gears of thick lines are driven.
When lower long slope and vehicle are braked, vehicle counter can drag electric power generation, realize Brake energy recovery.First clutch 37
The first driving disc spacing pressing 14 engage the first clutch plate 15, power passes to differential mechanism 23 by wheel and semiaxis 22, and differential mechanism 23 is passed
Pass main reducing gear, main reducing gear can pass to output gear 18 by Driven Gear of Final Reduction Gear 19, output gear 18 can be by
Power passes to first planet gear mechanism 24, and first planet gear mechanism 24 can impart power to first clutch 37,
Such that it is able to pass to input shaft 16 so that input shaft 16 can drive motor 30 to realize Brake energy recovery.
When one gear rises two gears：When power drive system 100 meets a gear rises two blend stop parts, control unit 9 is to the first control
The control valve 33 of valve processed 8 and second sends control signal, and the second control valve 33 is opened, and hydraulic oil is entered in second hydraulic cylinder 32, from
And the second piston in second hydraulic cylinder 32 can be promoted to move, and then second piston can drive the second shift fork 31 by second from
Second driving disc spacing pressing 29 of clutch 38 engages the second clutch plate 28, by the sliding wear of second clutch 38, can cause the first clutch
First driving disc spacing pressing 14 of device 37 and the speed discrepancy of the first clutch plate 15 are gradually reduced.When the first driving disc spacing pressing 14 and the first clutch plate 15
Synchronization when, the first control valve 8 is closed, and is provided with return spring in first hydraulic cylinder 10, and return spring can promote the
One driving disc spacing pressing 14 and the first clutch plate 15 disconnect, so as to complete the process that a gear rises two gears, shift process power failure-free.
When two gear drops one are kept off：When control unit 9 judges that power drive system 100 meets two gear one blend stop parts of drop, control
Unit 9 sends in control signal, second hydraulic cylinder 32 to the first control control valve 33 of valve 8 and second and is provided with return spring, is returning
In the presence of the spring of position, second driving disc spacing pressing 29 and the second clutch plate 28 of second clutch 38 can be gradually disengaged, as the first master
During the synchronization of the rotating speed of Moving plate 14 and the first clutch plate 15, the first control valve 8 is opened, and hydraulic oil enters first hydraulic cylinder 10
Interior, first piston promotes the first shift fork 11 to promote the first driving disc spacing pressing 14 and the first clutch plate 15 to engage, so as to complete two gears drop one
The process of gear, shift process power failure-free.
Power drive system 100 according to embodiments of the present invention, with two gears, can be with effectively utilizes motor 30
High efficiency range, climbing accelerates fast, and compact conformation, light weight, the small volume of power drive system 100, in shift process
Middle power links up.In addition, power drive system 100 adopts the planetary gears 35 of first planet gear mechanism 24 and second, knot
Structure is various informative, can as needed design different speed ratios, meets the design requirement of different vehicle.
Vehicle according to embodiments of the present invention, including the power drive system 100 of above-described embodiment.With above-described embodiment
Power drive system 100 vehicle efficiency high, climbing accelerates fast, and compact conformation can also realize the lightweight of vehicle, and
And power links up in shift process, fast ratio can be designed as needed.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
These embodiments can be carried out with various changes, modification, replacement and modification in the case of the principle and objective that depart from the present invention, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of power drive system, it is characterised in that include：
Housing；
Motor, the motor is arranged in the housing and is provided with motor shaft；
Input shaft, the input shaft is connected with the motor shaft；
First clutch, the first clutch includes the first driving disc spacing pressing and the first clutch plate, and first driving disc spacing pressing is fixed and connected
It is connected on the input shaft, the first clutch plate empty set is arranged on the input shaft, first driving disc spacing pressing is optionally
Engage and disconnect first clutch plate；
Second clutch, the second clutch includes the second driving disc spacing pressing and the second clutch plate, and second driving disc spacing pressing is fixed and connected
It is connected on the input shaft, the second clutch plate empty set is arranged on the input shaft, second driving disc spacing pressing is optionally
Engage and disconnect second clutch plate；
First planet gear mechanism, the first planet gear mechanism includes：First sun gear, the first row star-wheel, first planet
Frame and the first gear ring, first sun gear is fixedly connected with first clutch plate, and the first planet wheel is set in described
Engage in the first row carrier and respectively with first gear ring and first sun gear, first gear ring is solid with the housing
Fixed connection；
Second planetary gears, second planetary gears includes：Second sun gear, the second planetary gear, the second planet
Frame and the second gear ring, second sun gear is fixedly connected with first sun gear, and second planetary gear is set in described
Engage on second planet carrier and respectively with second sun gear and second gear ring, second gear ring and the first row
Carrier is fixedly connected, and second planet carrier is fixedly connected with second clutch plate；
Output gear, the output gear is fixedly connected with the first row carrier；
Main reducing gear, the main reducing gear is provided with Driven Gear of Final Reduction Gear, and the Driven Gear of Final Reduction Gear is nibbled with the output gear
Close；
Differential mechanism, the differential mechanism is connected with the main reducing gear；
Hydraulic control system, the hydraulic control system includes：Fuel tank；
Cleaner assembly, the cleaner assembly is connected with the fuel tank；
Oil pump, the oil pump is connected with the cleaner assembly, and the oil pump is provided with Oil pump electrical machinery；
Check valve, the check valve is connected with the oil pump；
First control valve, the first control valve is connected with the check valve；
First hydraulic cylinder, the first hydraulic cylinder is provided with first piston and is connected with the described first control valve so that first control
Valve processed controls the first piston motion；
First shift fork, first shift fork is connected between the first piston and first driving disc spacing pressing to control described first
The engagement and disconnection of driving disc spacing pressing and first clutch plate；
Second control valve, the second control valve is connected with the check valve；
Second hydraulic cylinder, the second hydraulic cylinder is provided with second piston and is connected with the described second control valve so that second control
Valve processed controls the second piston motion；
Second shift fork, second shift fork is connected between the second piston and second driving disc spacing pressing to control described second
The engagement and disconnection of driving disc spacing pressing and second clutch plate；
Accumulator, the accumulator is connected to the check valve with the described first control valve and the check valve and the described second control
On the total connecting line of valve processed；
Control unit, described control unit is connected with control described the respectively with the described first control valve and the second control valve
The open and-shut mode of the open and-shut mode of one control valve and the second control valve.
2. power drive system according to claim 1, it is characterised in that first sun gear, second sun
Wheel and first clutch plate are coaxially arranged.
3. power drive system according to claim 2, it is characterised in that first sun gear, second sun
Wheel and first clutch plate are formed as one.
4. power drive system according to claim 1, it is characterised in that the first clutch is jaw clutch
Device, the second clutch is dry clutch.
5. power drive system according to claim 1, it is characterised in that the first clutch is adjacent to the first row
Star gear mechanism is arranged, and the second clutch is arranged between second planetary gears and the motor, institute
State the second driving disc spacing pressing to arrange adjacent to the motor.
6. power drive system according to claim 1, it is characterised in that the cleaner assembly includes the first cleaner
And final cleaner, first cleaner is connected between the fuel tank and the oil pump, and the final cleaner is connected to
Between the oil pump and the check valve.
7. power drive system according to claim 1, it is characterised in that the input shaft is solid shafting, described first
Sun gear, second sun gear and first clutch plate collectively form hollow axle and empty set is on the input shaft.
8. power drive system according to claim 1, it is characterised in that the first control valve and second control
Valve is electromagnetic valve.
9. power drive system according to claim 1, it is characterised in that the first clutch, second clutch
Device, the first planet gear mechanism, second planetary gears, the motor and the main reducing gear are integrated in
In the housing.
10. a kind of vehicle, it is characterised in that include the power drive system according to any one of claim 1-9.
Priority Applications (1)
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| CN201510366633.9A CN104960414B (en) | 2015-06-29 | 2015-06-29 | Power transmission system and vehicle having same |
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| CN201510366633.9A CN104960414B (en) | 2015-06-29 | 2015-06-29 | Power transmission system and vehicle having same |
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| CN104960414A CN104960414A (en) | 2015-10-07 |
| CN104960414B true CN104960414B (en) | 2017-04-12 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570419A (en) * | 2016-01-22 | 2016-05-11 | 吉林大学 | Electric driving device based on double-planet-row two-gear transmission |
| CN105508526B (en) * | 2016-01-26 | 2017-10-10 | 吉林大学 | A kind of power drive system based on the shift transmission of double planet wheel rows of mixing two |
| CN105857062A (en) * | 2016-05-25 | 2016-08-17 | 广州市新域动力技术有限公司 | Dry-type dual-disk planetary automatic clutch |
| CN106195194B (en) * | 2016-08-31 | 2019-02-01 | 吉林大学 | A kind of electric drive axle system and its control method based on two-gear transmission |
| CN107314087A (en) * | 2017-08-16 | 2017-11-03 | 吉林大学 | A kind of electric drive axle system and its control method based on double-clutch automatic gearbox |
| CN111173892B (en) * | 2018-11-12 | 2021-12-14 | 华为技术有限公司 | Vehicle and power assembly system thereof |
| CN113357326B (en) * | 2021-06-03 | 2023-07-18 | 中国第一汽车股份有限公司 | Two keep off four drive torque management system and vehicle |
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| CN104960414A (en) | 2015-10-07 |
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