CN107856526A - Power drive unit - Google Patents
Power drive unit Download PDFInfo
- Publication number
- CN107856526A CN107856526A CN201610841256.4A CN201610841256A CN107856526A CN 107856526 A CN107856526 A CN 107856526A CN 201610841256 A CN201610841256 A CN 201610841256A CN 107856526 A CN107856526 A CN 107856526A
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- CN
- China
- Prior art keywords
- clutch
- hub
- field spider
- rotor field
- drive unit
- Prior art date
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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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- 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
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention provides a kind of power drive unit, the power drive unit includes：Input shaft；Motor, motor include：Stator, rotor and rotor field spider, rotor field spider are fixed on the inner peripheral surface of rotor and are rotatably sleeved on input shaft；First clutch, first clutch are arranged between rotor field spider and input shaft and on the inside of rotor field spiders；Second clutch, second clutch include：Input, the first output end and the second output end, input are fixed on rotor field spider and are selectively connected the first output end and the second output end；The first output shaft being connected with the first output end；The second output shaft being connected with the second output end.Motor internal space so can be rationally utilized, so as to effectively shorten the axial length of power drive unit, and can make it that its structural compactness is more preferable, degree of integration is higher.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of power drive unit.
Background technology
In recent years, with the fast development of automobile industry, petroleum resources are faced with stern challenge, while exhaust emissions is asked
Topic causes the great attention of various countries, and the energy-saving and emission-reduction of automobile industry become an important problem.Hybrid vehicle exists
Under this background, the new competing product of each automaker is increasingly becoming, hybrid drive is as hybrid vehicle
Core component, turn into the important component that automobile possesses competitiveness.
Hybrid drive assembly using fuel oil and electric power as the energy at present, typically by motor, engine, double
The structure compositions such as clutch, double-clutch speed changer, separation clutch.Common hybrid drive assembly arrangement master
To be following two, one kind is highly integrated arrangement, and its core composition structure is planetary gears, and advantage is space chi
Very little compact, shortcoming is to need to re-start for engine and motor to design to adapt to this structure, and processes more difficult, control
It is complicated；Another kind is double clutch, power synthesis device and speed changer are arranged apart, its shortcoming be joint transmission mechanism element compared with
More, axial space is big, and system assembling is difficult.
The content of the invention
In view of this, the present invention is directed to propose a kind of power drive unit, big to solve power drive unit axial length
And degree of integration it is low the problem of.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of power drive unit, including：Input shaft；Motor, the motor include：Stator, rotor and rotor field spider, institute
Rotor is stated to be rotatably arranged on the inner peripheral surface of the stator, the rotor field spider be fixed on the inner peripheral surface of the rotor and
It is rotatably sleeved on the input shaft；First clutch, the first clutch are arranged on the rotor field spider and described
Between input shaft and on the inside of the rotor field spider；Second clutch, the second clutch are located at the first clutch
Axial side and positioned at the stator inner peripheral surface in, the second clutch includes：Input, the first output end and second
Output end, the input are fixed on the rotor field spider and are selectively connected first output end and described second defeated
Go out end；First output shaft, first output shaft are connected with first output end；Second output shaft, second output shaft
It is set on first output shaft and is connected with second output end.
Further, the power drive unit also includes：Housing, the housing are located at the outside of the stator and can
Rotationally it is set on the rotor field spider, between the rotor field spider and the input shaft and the rotor field spider and described
Rolling bearing is respectively arranged between housing.
Further, the power drive unit also includes：Housing, the housing are located at the outside of the stator and can
Rotationally it is set on the input shaft, the rotor field spider is rotatably sleeved on the housing with relatively described input shaft
Rotatably, it is respectively arranged with the axis of rolling between the input shaft and the housing and between the housing and the rotor field spider
Hold.
Further, input shaft at least a portion is set on first output shaft and the input shaft and described
Rolling bearing is provided between first output shaft.
Further, the rotor field spider includes：Outer shroud, inner ring and it is connected between the outer shroud and the inner ring
Connecting plate, the outer shroud are fixed on the inner peripheral surface of the rotor, and the inner ring is rotatably sleeved on the input shaft；Institute
Stating first clutch includes：Hub in the outer hub of first clutch and first clutch, hub is arranged on described in the first clutch
The inner side of the outer hub of first clutch, hub is connected with the input shaft in the first clutch, the outer hub of the first clutch and
The inner peripheral surface of the outer shroud is connected, and corresponding rub is provided between hub and the outer hub of the first clutch in the first clutch
Pad.
Further, the power drive unit also includes：Piston component, the piston component include：Perform piston, put down
Weighing apparatus piston and the elastic component being connected between the execution piston and the dummy piston, the inner circumferential for performing piston are fixed
It is set in the outer peripheral face of the inner ring and periphery is close to the friction plate, a part for the inner ring, the connecting plate and described
Fluid chamber is limited between execution piston, the execution piston is optionally compressed and put according to the fluid amount of the fluid intracavitary
Friction plate in the pine first clutch between hub and the outer hub of the first clutch.
Further, fluid chamber oil circuit import and lubricant passage way import, the fluid chamber oil circuit are provided with the inner ring
Import and the lubricant passage way import are distributed in the axial direction of the inner ring, the both sides of the fluid chamber oil circuit import and the profit
The both sides of lubricating oil road import are respectively arranged with oil circuit sealing rings.
Further, be provided with the inner ring of the rotor field spider respectively with the fluid chamber oil circuit import and the lubrication
The oil circuit of oil circuit inlet communication.
Further, the second clutch also includes：Main rotating hub, the main rotating hub are rotatably sleeved on described second
On output shaft, the input is the outer hub of second clutch, and the outer hub of the second clutch is connected to the main rotating hub and described
Between rotor field spider, the main rotating hub, which is formed in one, part and is internally provided with multiple oil circuits.
Further, the second clutch is located in the inner peripheral surface of the stator, the first clutch first from
Hub, first output end, second output end are distributed and adjacent are provided with thrust between the two in the axial direction in clutch
Bearing.
Relative to prior art, power drive unit of the present invention has the advantage that：
, can be reasonable by reasonable Arrangement first clutch and second clutch according to the power drive unit of the present invention
Using motor internal space, so as to effectively shorten the axial length of power drive unit, and power drive can make it that
The structural compactness of device is more preferable, and degree of integration is higher.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the partial sectional view of the power drive unit of first embodiment of the invention；
Fig. 2 is the partial sectional view of the power drive unit of second embodiment of the invention.
Description of reference numerals：
Power drive unit 100；
Input shaft 10；
Motor 20；Stator 21；Rotor 22；Rotor field spider 23；Outer shroud 231；Inner ring 232；
Connecting plate 233；Fluid chamber oil circuit import 234；Lubricant passage way import 235；
First clutch 30；The outer hub 31 of first clutch；Hub 32 in first clutch；Friction plate 33；
Second clutch 40；Input 41；First output end 42；Second output end 43；Main rotating hub 44；
First output shaft 50；Second output shaft 60；Housing 70；Oil circuit 71；
Perform piston 81；Dummy piston 82；Elastic component 83；Fluid chamber 84；Thrust bearing 90.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Describe the power drive unit 100 of the embodiment of the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments, should
Power drive unit 100 can be applied on vehicle, such as on hybrid vehicle.
Power drive unit 100 according to embodiments of the present invention can include：Input shaft 10, motor 20, first clutch
30th, second clutch 40, the first output shaft 50, the second output shaft 60 and housing 70, wherein, one end of input shaft 10 can connect
There is engine, motor 20 can be set on input shaft 10, and the axial direction that can so effectively reduce power drive unit 100 is long
Degree, and can make it that power drive unit 100 is compact-sized and reliable.
As depicted in figs. 1 and 2, motor 20 includes：Stator 21, rotor 22 and rotor field spider 23, rotor 22 can be rotationally
It is arranged on the inner peripheral surface of stator 21, rotor field spider 23 is fixed on the inner peripheral surface of rotor 22, and rotor field spider 23 is rotatable
Ground is set on input shaft 10.Can be with synchronous axial system so between rotor field spider 23 and rotor 22, and rotor field spider 23 and turn
The rotation of the synchronous axial system and input shaft 10 of son 22 is non-interference.
Wherein, as depicted in figs. 1 and 2, rotor field spider 23 includes：Outer shroud 231, inner ring 232 and it is connected to the and of outer shroud 231
Connecting plate 233 between inner ring 232, outer shroud 231 are fixed on the inner peripheral surface of rotor 22, and inner ring 232 can be rotationally set in
On input shaft 10.Corresponding installing space so is left between outer shroud 231 and inner ring 232, so as to be easy to arrange that power drives
The miscellaneous part of dynamic device 100, can also so reduce the weight of rotor field spider 23 at least to some extent in addition, and can be with
Reduce the cost of power drive unit 100.Alternatively, rotor field spider 23 can be formed in one part, and such rotor field spider 23 is made
Make simply, structural strength is big.
Rotor field spider 23 can have two kinds with respect to the arrangement of input shaft 10, and for one kind to be directly arranged, one kind is indirect
It is arranged.As shown in figure 1, housing 70 is located at the outside of stator 21, and housing 70 can rotationally be set in rotor field spider 23
On, it is respectively arranged with rolling bearing between rotor field spider 23 and input shaft 10 and between rotor field spider 23 and housing 70.This is
Direct fixing mode, so by setting rolling bearing, it can to turn between housing 70, rotor field spider 23 and input shaft 10
It is dynamic non-interference each other.As shown in figure 1, the rolling bearing set between rotor field spider 23 and input shaft 10 can be needle roller axle
Hold, needle bearing is two, and two needle bearings are arranged spaced apart on the axial direction of input shaft 10, and rotor field spider 23
It is a part of inwardly projecting to be embedded between two needle bearings, so can preferably improve input shaft 10 and rotor field spider
Cooperation reliability between 23.The rolling bearing set between rotor field spider 23 and housing 70 can be ball bearing, and ball bearing can
To be set close to the edge of rotor field spider 23.Oil sealing is also provided with housing 70, oil sealing cover sets rotor field spider 23 and extended
To input shaft 10, so as to avoid the leakage of the internal oil of housing 70.
As shown in Fig. 2 housing 70 is located at the outside of stator 21, and housing 70 can rotationally be set in input shaft 10
On, rotor field spider 23 can be rotationally set in can be rotated relative to input shaft 10 on housing 70, input shaft 10 and housing 70
Between and housing 70 and rotor field spider 23 between be respectively arranged with rolling bearing.In other words, a part for housing 70 is set in
Between rotor field spider 23 and input shaft 10, this is to be arranged indirectly.So by setting rolling bearing, housing 70 can be caused, turned
Rotation between submounts 23 and input shaft 10 is non-interference each other.The rolling bearing set between housing 70 and input shaft 10 can
Think needle bearing, needle bearing can be two, and the part of housing 70 can be with inwardly projecting to be embedded in two needle roller axles
Between holding, so as to improve the cooperation reliability between housing 70 and input shaft 10.Set between rotor field spider 23 and housing 70
The rolling bearing put can be ball bearing, and ball bearing can be two, and two ball bearings are separately positioned on the interior of rotor field spider 23
The both ends of ring 232, two ball bearings can be preferably supported between rotor field spider 23 and a part for housing 70, so as to
Ensure the cooperation reliability between rotor field spider 23 and housing 70.
As depicted in figs. 1 and 2, first clutch 30 is arranged between rotor field spider 23 and input shaft 10, and first from
Clutch 30 is located at the inner side of rotor field spider 23.First clutch 30 can control the power between rotor field spider 23 and input shaft 10 to pass
The break-make passed, for example, when first clutch 30 is in engagement state, the power of engine can be transferred to by input shaft 10
On the rotor field spider 23 and rotor 22 of motor 20；When first clutch 30 is off, the power of engine can not lead to
Cross rotor field spider 23 and rotor 22 passing power of the input shaft 10 to motor 20.Because first clutch 30 is located at rotor field spider 23
Inner side, so can be rationally using radial space between rotor field spider 23 and input shaft 10, so as at least certain journey
Shorten the axial length of power drive unit 100 on degree, and can make it that the structure of power drive unit 100 is compacter.
As depicted in figs. 1 and 2, first clutch 30 can include：Hub in the outer hub 31 of first clutch and first clutch
32, hub 32 is arranged on the inner side of the outer hub 31 of first clutch in first clutch, hub 32 and the phase of input shaft 10 in first clutch
Even, the outer hub 31 of first clutch is connected with the inner peripheral surface of outer shroud 231, in first clutch hub 32 and first clutch outside hub 31 it
Between be provided with corresponding to friction plate 33.Friction plate 33, the outer hub 31 of first clutch can be provided with first clutch on hub 32
On can be provided with friction plate 33, the friction plate 33 of hub 32 and the outer hub 31 of first clutch can be respectively more in first clutch
It is individual, and both friction plates 33 can correspond arranged, so when both friction plates 33 are bonded to each other, first
Hub 32 and the outer hub 31 of first clutch are in engagement state in clutch, and first clutch 30 is in engagement state.
Further, as depicted in figs. 1 and 2, power drive unit 100 can also include：Piston component, piston component bag
Include：Piston 81, dummy piston 82 and the elastic component 83 being connected between execution piston 81 and dummy piston 82 are performed, performs work
The inner circumferential of plug 81 fixes the outer peripheral face for being set in inner ring 232, for example, the interior axle for performing piston 81 is welded to connect in inner ring 232
On outer peripheral face, and the periphery of piston 81 is performed close to friction plate 33, a part, connecting plate 233 and the execution piston of inner ring 232
Limit fluid chamber 84 between 81, perform piston 81 according to the fluid amount in fluid chamber 84 optionally compress and loosen first from
Friction plate 33 in clutch between hub 32 and the outer hub 31 of first clutch.In other words, power drive unit 100 is by feeding fluid
Fluid amount in chamber 84 performs the movement of piston 81 to control, so as to by perform the movement of piston 81 control first from
The tightness of friction plate 33 in clutch between hub 32 and the outer hub 31 of first clutch, that is, the engagement of first clutch 30
Off-state.Wherein, balance oil pocket can be limited between inner ring 232, execution piston 81 and dummy piston 82, balance oil pocket can
Work caused centrifugal force for balanced power drive device 100, preferably worked so that performing piston 81.
Elastic component 83 can the inner fluid of fluid chamber 84 reduction after promote perform piston 81 return back to initial position, so as to realize first from
The disconnection of clutch 30.Elastic component 83 can be spring, such as helical spring.
As shown in figure 1, fluid chamber oil circuit import 234 and lubricant passage way import 235, fluid can be provided with inner ring 232
Chamber oil circuit import 234 and lubricant passage way import 235 are distributed in the axial direction of inner ring 232.Fluid chamber oil circuit import 234 and fluid chamber
84 are connected, and lubricant passage way import 235 can be connected with lubricant passage way, and the fluid in lubricant passage way can feed first clutch 30
The interior part to lubricate in first clutch 30.So pass through reasonable Arrangement fluid chamber oil circuit import 234 and lubricant passage way import
235, it can make it that inner ring 232 is rational in infrastructure, and the connection and reasonable arrangement of oil circuit 71, so that the structure of first clutch 30 can
Lean on and reliable operation.
The both sides of fluid chamber oil circuit import 234 and the both sides of lubricant passage way import 235 can be respectively arranged with oil circuit sealing
Circle.For example, as shown in figure 1, oil circuit sealing rings can be three, positioned at centre and an oil circuit sealing rings can be located at fluid
Between the both sides of chamber oil circuit import 234 and lubricant passage way import 235, and the oil circuit sealing rings are used for Seal Oil sap cavity oil simultaneously
Road import 234 and lubricant passage way import 235, other two is respectively positioned at the both sides of fluid chamber oil circuit import 234 and lubricant passage way
The outside of import 235.By setting oil circuit sealing rings, the both sides and lubricant passage way that can improve fluid chamber oil circuit import 234 are entered
The sealing reliability of mouth 235.
As shown in figure 1, the inner ring 232 of rotor field spider 23 be provided with respectively with fluid chamber oil circuit import 234 and lubricant passage way
The oil circuit 71 that import 235 connects.In other words, two oil circuits 71 of fluid chamber 84 independent of each other and lubrication are provided with inner ring 232
Oil circuit, the oil circuit 71 of fluid chamber 84 are connected between fluid chamber 84 and fluid chamber oil circuit import 234, and lubricant passage way enters with lubricant passage way
Mouth 235 is connected.
Second clutch 40 is located at the axial side of first clutch 30, and second clutch 40 is located at the interior of stator 21
In side face.That is, second clutch 40 can equally be arranged on the inside of motor 20, stator 21 so can be rationally utilized
Internal space, and can preferably shorten the axial length of power drive unit 100, and power drive can be filled
It is compacter to put 100 structures., so can be more preferable and first clutch 30 and second clutch 40 are close to each other in the axial direction
Shorten the axial length of power drive unit 100 in ground.
As depicted in figs. 1 and 2, second clutch 40 can include：Input 41, the first output end 42 and the second output end
43, input 41 is fixed on rotor field spider 23, and input 41 is selectively connected the first output end 42 and the second output
End 43.Wherein, input 41 can be the outer hub of second clutch, and the outer hub of second clutch is fixed on the outer shroud of rotor field spider 23
On 231, it is preferable that the outer hub of second clutch and rotor field spider 23 can be formed in one part, can so improve motor 20
Space availability ratio, and can make it that power drive unit 100 is compact-sized, manufacturing cost is low.
As depicted in figs. 1 and 2, second clutch 40 can also include：Main rotating hub 44, main rotating hub 44 can be rotationally arranged
On the second output shaft 60, the outer hub of second clutch is connected between main rotating hub 44 and rotor field spider 23, and main rotating hub 44 is integrated
Molding part, and main rotating hub 44 is internally provided with multiple oil circuits.Integrally formed main rotating hub 44 can reduce process and assemble difficulty,
And amount of parts can be reduced, the cost of power drive unit 100 can be reduced.The wherein input of second clutch 40
Cooperation type of drive between two output ends is also to be driven by corresponding piston component, be will not be described in detail herein.Multiple oil
Road can be used for feeding driving fluid and lubricating oil.
As depicted in figs. 1 and 2, hub 32, the first output end 42, the second output end in the first clutch of first clutch 30
43 are distributed in the axial direction, and adjacent are provided with thrust bearing 90 between the two.That is, the He of hub 32 in first clutch
Thrust bearing 90 can be provided between first output end 42, can be provided between the first output end 42 and the second output end 43
Thrust bearing 90, and thrust bearing 90 can be provided with the end of input shaft 10 and first clutch between hub 32, second
Thrust bearing 90 and adjusting gasket can be provided between output end 43 and main rotating hub 44., can be with by setting thrust bearing 90
Ensure the non-interference of two adjacent moving components, and the structural compactness of power drive unit 100 can be ensured.
As depicted in figs. 1 and 2, the first output shaft 50 is connected with the first output end 42, and the second output shaft 60 is set in first
On output shaft 50, and the second output shaft 60 is connected with the second output end 43.That is, work as the output end of input 41 and first
42 be connected when, power can pass to the first output shaft 50, and when input 41 is connected with the second output end 43, power can pass
Pass the second output shaft 60.By the way that the second output shaft 60 is set on the first output shaft 50, power drive can be preferably reduced
The axial length of dynamic device 100.
At least a portion of input shaft 10 is set on the first output shaft 50, and between the output shaft 50 of input shaft 10 and first
It is provided with rolling bearing.It on the one hand can so shorten the axial length of power drive unit 100, on the other hand can ensure to move
The structural reliability of force driving device 100.Wherein rolling bearing can be needle bearing.
In summary, in the annexation of power drive unit 100, be connected between engine and motor 20 first from
Clutch 30, second clutch is connected between the output shaft 50 of motor 20 and first and the second output shaft 60, engine is optionally
Transfer power at motor 20, then optionally pass to the first output shaft 50 and the second output shaft 60, motor 20 selects
Engine is imparted power to property, and optionally passes to the first output shaft 50 and the second output shaft 60, wherein, motor
20 can be dynamotor, and such motor 20 can use as starter motor, and under some operating modes of engine work
It can generate electricity, such as power generation in parking.Certain motor 20 can also export power.
Thus, power drive unit 100 according to embodiments of the present invention, reasonable Arrangement first clutch 30 and second is passed through
Clutch 40, the inner space of motor 20 can be rationally utilized, it is long so as to effectively shorten the axial direction of power drive unit 100
Degree, and can make it that the structural compactness of power drive unit 100 is more preferable, degree of integration is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. power drive unit (100), it is characterised in that including：Input shaft (10)；Motor (20), the motor (20) include：Stator (21), rotor (22) and rotor field spider (23), the rotor (22) can It is rotatably arranged on the inner peripheral surface of the stator (21), the rotor field spider (23) is fixed on the inner peripheral surface of the rotor (22) Above and it is rotatably sleeved on the input shaft (10)；First clutch (30), the first clutch (30) be arranged on the rotor field spider (23) and the input shaft (10) it Between and on the inside of the rotor field spider (23)；Second clutch (40), the second clutch (40) are located at the axial side of the first clutch (30), and described Two clutches (40) include：Input (41), the first output end (42) and the second output end (43), the input (41) are fixed On the rotor field spider (23) and it is selectively connected first output end (42) and second output end (43)；First output shaft (50), first output shaft (50) are connected with first output end (42)；Second output shaft (60), second output shaft (60) be set on first output shaft (50) and with it is described second defeated Go out end (43) to be connected.
- 2. power drive unit (100) according to claim 1, it is characterised in that also include：Housing (70), the shell Body (70) is located at the outside of the stator (21) and is rotatably sleeved on the rotor field spider (23), the rotor field spider (23) it is respectively arranged with rolling between the input shaft (10) and between the rotor field spider (23) and the housing (70) Bearing.
- 3. power drive unit (100) according to claim 1, it is characterised in that also include：Housing (70), the shell Body (70) is located at the outside of the stator (21) and is rotatably sleeved on the input shaft (10), the rotor field spider (23) it is rotatably sleeved on the housing (70) with relatively described input shaft (10) rotatably, the input shaft (10) and institute State between housing (70) and be respectively arranged with rolling bearing between the housing (70) and the rotor field spider (23).
- 4. power drive unit (100) according to claim 1, it is characterised in that the input shaft (10) at least one Divide and be set on first output shaft (50) and be provided with rolling between the input shaft (10) and first output shaft (50) Dynamic bearing.
- 5. power drive unit (100) according to claim 1, it is characterised in thatThe rotor field spider (23) includes：Outer shroud (231), inner ring (232) and it is connected to the outer shroud (231) and the inner ring (232) connecting plate (233) between, the outer shroud (231) are fixed on the inner peripheral surface of the rotor (22), the inner ring (232) it is rotatably sleeved on the input shaft (10)；The first clutch (30) includes：Hub (32) in the outer hub (31) of first clutch and first clutch, described first from Hub (32) is arranged on the inner side of the outer hub (31) of the first clutch in clutch, in the first clutch hub (32) with it is described defeated Enter axle (10) to be connected, the outer hub (31) of the first clutch is connected with the inner peripheral surface of the outer shroud (231), the first clutch Corresponding friction plate (33) is provided between interior hub (32) and the outer hub (31) of the first clutch.
- 6. power drive unit (100) according to claim 5, it is characterised in that also include：Piston component, the work Plug assembly includes：Perform piston (81), dummy piston (82) and be connected to the execution piston (81) and the dummy piston (82) elastic component (83) between, it is described perform piston (81) inner circumferential fix be set in the inner ring (232) outer peripheral face and Periphery is close to the friction plate (33), a part, the connecting plate (233) and the execution piston of the inner ring (232) (81) limit fluid chamber (84) between, the execution piston (81) according to the fluid amount in the fluid chamber (84) optionally Compress and loosen the friction plate (33) in the first clutch between hub (32) and the outer hub (31) of the first clutch.
- 7. power drive unit (100) according to claim 6, it is characterised in that be provided with oil on the inner ring (232) Sap cavity oil circuit import (234) and lubricant passage way import (235), the fluid chamber oil circuit import (234) and the lubricant passage way enter Mouth (235) is distributed in the axial direction of the inner ring (232), the both sides of the fluid chamber oil circuit import (234) and the lubricating oil The both sides of road import (235) are respectively arranged with oil circuit sealing rings.
- 8. power drive unit (100) according to claim 7, it is characterised in that the inner ring of the rotor field spider (23) (232) oil circuit connected respectively with the fluid chamber oil circuit import (234) and the lubricant passage way import (235) is provided with (71)。
- 9. power drive unit (100) according to claim 1, it is characterised in that the second clutch (40) is also wrapped Include：Main rotating hub (44), the main rotating hub (44) are rotatably sleeved on second output shaft (60), the input (41) For hub outside second clutch, the outer hub of the second clutch be connected to the main rotating hub (44) and the rotor field spider (23) it Between, the main rotating hub (44), which is formed in one, part and is internally provided with multiple oil circuits.
- 10. power drive unit (100) according to claim 1, it is characterised in that the second clutch (40) is located at In the inner peripheral surface of the stator (21), hub (32), first output end in the first clutch of the first clutch (30) (42), second output end (43) is distributed and adjacent is provided with thrust bearing (90) between the two in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841256.4A CN107856526A (en) | 2016-09-22 | 2016-09-22 | Power drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841256.4A CN107856526A (en) | 2016-09-22 | 2016-09-22 | Power drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107856526A true CN107856526A (en) | 2018-03-30 |
Family
ID=61698770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610841256.4A Pending CN107856526A (en) | 2016-09-22 | 2016-09-22 | Power drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107856526A (en) |
Cited By (7)
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| CN109532458A (en) * | 2018-12-19 | 2019-03-29 | 海马汽车有限公司 | Motor and clutch integration module and vehicle for hybrid electric vehicle gearshift case |
| CN110173546A (en) * | 2019-05-24 | 2019-08-27 | 盛瑞传动股份有限公司 | Speed changing structure and automobile |
| WO2020221384A1 (en) * | 2019-04-30 | 2020-11-05 | Schaeffler Technologies AG & Co. KG | Hybrid module |
| CN111998012A (en) * | 2019-05-27 | 2020-11-27 | 舍弗勒技术股份两合公司 | Electric drive system with a disk motor, shift clutch and actuating device |
| CN113474197A (en) * | 2019-03-20 | 2021-10-01 | 戴姆勒股份公司 | Hybrid drive system |
| US11541861B2 (en) | 2019-04-30 | 2023-01-03 | Borgwarner Inc. | Transmission system for use in a vehicle |
| CN113474197B (en) * | 2019-03-20 | 2024-06-04 | 梅赛德斯-奔驰集团股份公司 | Hybrid drive system |
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| CN113474197A (en) * | 2019-03-20 | 2021-10-01 | 戴姆勒股份公司 | Hybrid drive system |
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| CN111998012A (en) * | 2019-05-27 | 2020-11-27 | 舍弗勒技术股份两合公司 | Electric drive system with a disk motor, shift clutch and actuating device |
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Application publication date: 20180330 |
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