CN108099579A - A kind of hybrid variable-speed system - Google Patents
A kind of hybrid variable-speed system Download PDFInfo
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- CN108099579A CN108099579A CN201810067933.0A CN201810067933A CN108099579A CN 108099579 A CN108099579 A CN 108099579A CN 201810067933 A CN201810067933 A CN 201810067933A CN 108099579 A CN108099579 A CN 108099579A
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- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 241000239290 Araneae Species 0.000 claims description 12
- 230000008450 motivation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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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- 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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- 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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0625—Details of members being coupled, e.g. gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0693—Clutches with hydraulic actuation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid variable-speed systems, it is connected including output shaft, motor power coupling mechanism, stepless speed changing mechanism and with engine and input shaft for power to be transferred to stepless speed changing mechanism, motor power coupling mechanism includes motor stator, rotor and the motor support axis being connected with rotor, and the motor power coupling mechanism further includes the synchronizer that the power being used to implement between the input shaft and the motor support axis transfers and/or the power between motor support axis and the output shaft transfers.The hybrid variable-speed system of the present invention, by setting synchronizer, can realize can still realize when high-voltage electricity exhausts or high-tension system is protected and work under pure engine drive mode, greatly improve the Technology of Hybrid Electric Vehicle scope of application.
Description
Technical field
The invention belongs to transmission technology fields, and specifically, the present invention relates to a kind of hybrid variable-speed systems.
Background technology
Typical hybrid gearbox includes motor, power coupling mechanism and speed changer.Speed changer uses traditional multi gear
AT speed changers, DCT speed changers etc. realize speed change.The power generated by internal combustion engine or motor is transferred to speed changer respectively, passes through
Speed changer outputs power to wheel, and internal combustion engine and motor can separately or simultaneously output power to speed changer.Usually
Hybrid power system has pure internal combustion engine drive pattern, pure motor drive mode, the pattern that internal combustion engine and motor drive simultaneously.Together
When more than pattern be all often by speed changer inside HYDRAULIC CONTROL SYSTEM realize.
Although current mixed dynamic transmission system all realize more than drive pattern, and cut by being directed to different operating modes
Changing corresponding operating mode realizes the purpose of energy-saving and emission-reduction, but current system has certain technology limitation, such as announces
Number describe a kind of hybrid power speed change being made of motor, clutch and AT speed changers for the patent document of CN101574922B
Device, the speed changer realize different drive patterns by clutch, realize the effect of energy-saving and emission-reduction, but due to motor
Power is loaded on the input shaft of AT speed changers, causes to work at the same time torque when engine and motor and bear to turn round more than AT speed changers
It needs to limit motor or engine power during square or needs that AT speed changers are developed to adapt to turn round greatly again
Square, and the system is when hybrid power system high-voltage electricity exhausts or high-tension system is protected, since motor can not work
Cause hydraulic pump that can not work, can not be combined so as to cause the clutch between connection speed changer and engine, cause engine
Power can not be transferred to speed changer so that vehicle can not work under independent engine-driven pattern.AT speed changers have simultaneously
The speed change of grade formula causes engine that can not be operated in most efficient region always, causes the efficiency of engine can not obtain to the limit
Performance.And the speed changer of current hybrid power system has sustained improvement to carry in efficiency, structure size weight and cost
The demand risen.Therefore, it is necessary to a kind of function is more perfect, rate of economizing gasoline higher, greater compactness of hybrid variable-speed system.
The content of the invention
It is contemplated that at least solve one of technical problem in the prior art.For this purpose, the present invention provides a kind of mix
Close power stepless speed variator system, it is therefore an objective to realize can still be realized when high-voltage electricity exhausts or high-tension system is protected it is pure
It works under engine drive mode.
To achieve these goals, the technical solution taken of the present invention is：A kind of hybrid variable-speed system, including
It output shaft, motor power coupling mechanism, stepless speed changing mechanism and is connected with engine and for power to be transferred to variable speed
The input shaft of mechanism, motor power coupling mechanism include motor stator, rotor and the motor support being connected with rotor
Axis, the motor power coupling mechanism further include the power being used to implement between the input shaft and the motor support axis and transfer
And/or the synchronizer that the power between motor support axis and the output shaft transfers.
The motor power coupling mechanism is connected to the output shaft by gear drive, and the synchronizer is used to control
Make the transmission and interruption of the power between the motor support axis and gear drive.
The first combination gear and the second combination gear of the synchronizer including rotatable setting, optionally with first
Combination gear and the second combination gear engagement external tooth type tooth set and with external tooth type tooth set engage and with the motor support axis
The internal messing formula tooth hub of connection, internal messing formula tooth hub is covered with external tooth type tooth and motor support axis synchronous rotary, the first combination gear
With the input axis connection and the first combination gear and input shaft synchronous rotary.
First combination gear and the second combination gear is are oppositely arranged, the external tooth type tooth set and internal messing formula tooth hub
Between the first combination gear and the second combination gear.
The internal messing formula tooth hub is connected with the motor support axis by spline, first combination gear with it is described defeated
Enter axis to connect by spline.
The motor power coupling mechanism further includes that the external tooth type tooth is controlled to cover piston movable along the axial direction
Assembly.
The piston assembly includes the piston of axially translatable setting, and the external tooth type tooth set is to be rotatably arranged on
On piston and piston can be synchronous movable along the axial direction with external tooth type tooth set.
The piston assembly further includes return spring, and return spring applies elastic acting force to the piston, so that piston
The external tooth type tooth set is driven to be axially moveable to the position engaged with second combination gear.
The piston assembly further includes spider, and the piston is arranged on spider, and piston assembly is located at described first
Between combination gear and second combination gear.
Second combination gear is connected to the output shaft by gear drive.
The hybrid variable-speed system of the present invention by setting synchronizer, can be realized when high-voltage electricity exhausts or high
It can still realize when piezoelectric system is protected and work under pure engine drive mode, greatly improve Technology of Hybrid Electric Vehicle and be applicable in
Scope；And function of stepless speed regulation is realized using stepless speed variator system so that engine and motor can always work in most preferably
Efficiency band can effectively improve rate of economizing gasoline.Motor torque can be directly output to stepless speed variator system simultaneously so that Motor torque
It is unrestricted, and ensure that motor power is transferred to vehicle by direct geared, ensure the efficient output of motor or in vehicle
When needing the large torque to climb, motor power can also be output to wheel after the adjusting of belt wheel steel band；And under any operating mode
It can realize through engine driving motor to realize power generation, to ensure that vehicle High-Voltage Electrical Appliances component can be normal in any case
Work, meets vehicle requirement；The hybrid variable-speed system structure of the present invention is simple simultaneously, sleeve mechanism size ratio
Conventional transmissions are also small, improve arrangement of mechanism applicability, while reduce weight and cost.
Description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structure diagram of hybrid variable-speed system of the present invention；
Fig. 2 is the structure diagram of motor power coupling mechanism；
In figure mark for：1st, input shaft；2nd, spring bearing；
3rd, piston assembly；3a, spider；3b, piston；3c, return spring；3d, bearing；
4th, synchronizer；4a, external tooth type tooth set；4b, the first combination gear；4c, internal messing formula tooth hub；4d, the second conjunction gear
Wheel；4e, spring bearing；
5th, motor support axis；6th, rotor；7th, motor stator；8th, advance reverse gear mechanism；9th, driving pulley；10th, it is driven
Band；11st, driven pulley；12nd, jackshaft；13rd, output shaft；14th, differential mechanism；15th, first gear；16th, second gear；17th, the 3rd
Gear.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and contribute to its implementation.
As depicted in figs. 1 and 2, the present invention provides a kind of hybrid variable-speed system, including case of transmission, liquid
Pressure oil pump, output shaft 13, motor power coupling mechanism, advance reverse gear mechanism 8, stepless speed changing mechanism, differential mechanism 14 and with starting
Machine connects and the input shaft 1 for power to be transferred to stepless speed changing mechanism, and stepless speed changing mechanism is connected to incite somebody to action with output shaft 13
Power is transferred to output shaft 13.Motor power coupling mechanism include motor, motor include motor stator 7, rotor 6 and with electricity
The motor support axis 5 that machine rotor 6 connects, motor power coupling mechanism further include be used to implement input shaft 1 and motor support axis 5 it
Between power transfer and/or synchronizer 4 that power between motor support axis 5 and output shaft 13 transfers.
Specifically, as depicted in figs. 1 and 2, motor stator 7 is engaged with rotor 6, and rotor 6 is arranged at electricity
The inside of machine stator 7 and rotor 6 can be rotated compared with motor stator 7, motor is located at the inside of case of transmission, electricity
Machine stator 7 and case of transmission become a fixed entirety without relative motion.Rotor 6 is fixed with motor support axis 5 to be connected
It connects, motor support axis 5 is mounted on by spring bearing 2 on case of transmission.
As shown in Figure 1, advance reverse gear mechanism 8 and input shaft 1 form starting mechanism, 5 empty set of motor support axis is in input shaft 1
Upper and motor support axis 5 is coaxial arrangement with input shaft 1, and input shaft 1 passes through motor support axis 5, and one end of input shaft 1 is with starting
Machine connects, and for receiving the power of engine generation, input shaft 1 is simultaneously connected with hydraulic oil pump, and input shaft 1 drives hydraulic oil pump fortune
Turn, hydraulic oil is provided.Advance reverse gear mechanism 8 is made of matched planetary gear set and clutch, and advance reverse gear mechanism 8 has
There are drive shift and reverse gear function, be used to implement hybrid variable-speed system and switched between drive shift and reverse gear.Before
Into reverse gear mechanism 8 structure as well known in the skilled person, the clutch of 8 structure of advance reverse gear mechanism includes two
Group multi-disc friction clutch, two groups of multi-disc friction clutches are respectively reverse gear friction clutch group and advance friction clutch group,
Reverse gear friction clutch group and advance friction clutch group are combined by piston control with separating respectively, advance reverse gear mechanism 8
Planetary gear set be connected with stepless speed changing mechanism and input shaft 1, reverse gear friction clutch group and advance friction clutch group
It is connected with input shaft 1.After advance friction clutch group combines, power is transferred to stepless by input shaft 1 by planetary gear set
Gear and input shaft 1 is identical with the direction of rotation of stepless speed changing mechanism realizes drive shift；When reverse gear friction clutch group knot
After conjunction, power is transferred to the rotation of stepless speed changing mechanism and input shaft 1 and stepless speed changing mechanism by planetary gear set by input shaft 1
Turn direction on the contrary, realizing reverse gear.Starting mechanism is arranged among motor power coupling mechanism and stepless speed changing mechanism, realizes power
Transmission between engine and stepless speed changing mechanism, while by the way that two groups of multi-disc friction clutches is controlled to realize advance reverse gear work(
Energy.
As shown in Figure 1, stepless speed changing mechanism is variable v-belt drive, including the planet tooth with advance reverse gear mechanism 8
Wheel group connects and for receiving the driving pulley 9 of the power of planetary gear set transmission, driven pulley 11 and being arranged at driving band
On wheel 9 and driven pulley 11 and it is the transmission belt 10 of annular, power is transferred to output shaft 13 and connected by driven pulley 11.
As depicted in figs. 1 and 2, motor power coupling mechanism is connected by gear drive with output shaft 13, synchronizer 4
For controlling the transmission of the power between motor support axis 5 and gear drive and interruption.Motor power coupling mechanism is arranged
Between engine and stepless speed changing mechanism, the power that motor power coupling mechanism generates can be passed without stepless speed changing mechanism
It passs, and wheel is directly delivered to by gear drive etc., realize the pure motor driving of vehicle.Simultaneously during stationary vehicle, break
After the clutch for opening advance reverse gear mechanism 8, it can realize that generating function is realized in the operating of engine driving motor, ensure any situation
Lower vehicle High-Voltage Electrical Appliances component can work normally.
As shown in Figure 1, output shaft 13 is parallel with motor support axis 5 and input shaft 1, output shaft 13 by reducing gear with
Differential mechanism 14 connects and the reducing gear play the role of slow down increase square, reducing gear and be one-stage gear mechanism, realize power
It transfers, which includes the driving gear being fixedly installed on output shaft 13 and be fixedly installed on the housing of differential mechanism 14
And the driven gear engaged with driving gear.
As depicted in figs. 1 and 2, the first combination gear 4b and the second combination gear 4d of synchronizer 4 including rotatable setting,
Optionally engaged with the first combination gear 4b and the second combination gear 4d external tooth type tooth set 4a and with external tooth type tooth set
Internal messing formula the tooth hub 4c, internal messing formula tooth hub 4c that 4a is engaged and is connected with motor support axis 5 and external tooth type tooth set 4a and motor
5 synchronous rotary of support shaft, the first combination gear 4b is connected with input shaft 1 and the first combination gear 4b and 1 synchronous rotary of input shaft.
For first combination gear 4b and the second combination gear 4d to be oppositely arranged, external tooth type tooth set 4a and internal messing formula tooth hub 4c is located at first
Between combination gear 4b and the second combination gear 4d.Motor support axis 5 and input shaft 1 are coaxial arrangement, and synchronizer 4 is located at motor
Between support shaft 5 and advance reverse gear mechanism 8.External tooth type tooth set 4a remains the state of being meshed with internal messing formula tooth hub 4c, outside
Tooth-like tooth set 4a is optionally meshed with the first combination gear 4b and the second combination gear 4d；When external tooth type tooth covers 4a and the
After one combination gear 4b engagements, external tooth type tooth set 4a is separated with the second combination gear 4d, if engine operates and disconnect advancing
The clutch of gear mechanism 8, then first combination gear 4b of the drive of input shaft 1 rotations, the first combination gear 4b pass through external tooth type tooth set
4a and internal messing formula tooth hub 4c drives motor support axis 5 to rotate, and then can realize that engine driving motor operates, and is sent out
Electricity.Alternatively, after external tooth type tooth set 4a is engaged with the first combination gear 4b, 4d points of external tooth type tooth set 4a and the second combination gear
From synchronizer 4 realizes the connection of motor and input shaft 1, if the power that engine operates and input shaft 1 generates engine transfers
To stepless speed changing mechanism (clutch of advance reverse gear mechanism 8 is in bonding state at this time), then after motor operating, motor support
Axis 5 covers 4a by internal messing formula tooth hub 4c and external tooth type tooth and drives the first combination gear 4b rotations, and then motor power coupling machine
The power that structure generates will be output to wheel by input shaft 1 and stepless speed changing mechanism.When external tooth type tooth covers 4a and the second conjunction gear
After taking turns 4d engagements, external tooth type tooth set 4a is separated with the first combination gear 4b, and after motor operating, motor support axis 5 is nibbled by interior
Box-like tooth hub 4c and external tooth type tooth set 4a drive the second combination gear 4d rotations, the power that motor power coupling mechanism generates at this time
It can be transferred without stepless speed changing mechanism, the power that motor power coupling mechanism generates is directly by gear drive and defeated
Shaft 13 etc. is directly delivered to wheel, realizes the pure motor driving of vehicle.
As preference, as depicted in figs. 1 and 2, internal messing formula tooth hub 4c is connected with motor support axis 5 by spline, interior
Engagement type tooth hub 4c is cirque structure, and the periphery of internal messing formula tooth hub 4c is equipped with external spline teeth, motor support axis 5 it is interior
Disc is equipped with the inner spline gear engaged with the external spline teeth on internal messing formula tooth hub 4c, internal messing formula tooth hub 4c and motor support
Axis 5 is coaxial arrangement, and spline connection ensures that internal messing formula tooth hub 4c being capable of synchronous rotary with motor support axis 5.First conjunction gear
Wheel 4b is connected with input shaft 1 by spline, and the first combination gear 4b is cirque structure, on the inner headed face of the first combination gear 4b
Equipped with inner spline gear, the periphery of input shaft 1 is equipped with the external spline teeth engaged with the inner spline gear on the first combination gear 4b,
First combination gear 4b is coaxial arrangement with input shaft 1, and spline connection ensures that the first combination gear 4b can be synchronous with input shaft 1
Rotation.Second combination gear 4d is cirque structure, and the second combination gear 4d is mounted on case of transmission by spring bearing 4e
On, case of transmission provides support to the second combination gear 4d, and the second combination gear 4d is rotatable compared with case of transmission.Outside
Tooth-like tooth set 4a is cirque structure, and external tooth type tooth covers 4a and the first combination gear 4b, the second combination gear 4d and internal messing formula
Tooth hub 4c for coaxial arrangement, external tooth type tooth set 4a be arranged in the centre bore of internal messing formula tooth hub 4c, external tooth type tooth cover 4a with it is interior
Engagement type tooth hub 4c is connected by spline, and the periphery of external tooth type tooth set 4a is equipped with external spline teeth, internal messing formula tooth hub 4c's
Inner headed face is equipped with the inner spline gear engaged with the external spline teeth on external tooth type tooth set 4a, and spline connection ensures internal messing formula tooth hub
4c being capable of synchronous rotary with external tooth type tooth set 4a.First combination gear 4b is connected with external tooth type tooth set 4a by spline, the first knot
The inner headed face for closing gear 4b is equipped with another inner spline gear engaged with the external spline teeth on external tooth type tooth set 4a, and spline connection is true
Protecting being capable of synchronous rotary after the first combination gear 4b is engaged with external tooth type tooth set 4a.Second combination gear 4d covers 4a with external tooth type tooth
It is connected by spline, the inner headed face of the second combination gear 4d is equipped with the interior flower engaged with the external spline teeth on external tooth type tooth set 4a
Key teeth, spline connection ensure that the second combination gear 4d being capable of synchronous rotary after being engaged with external tooth type tooth set 4a.
The synchronizer 4 of said structure is simple in structure, and arrangement is convenient, occupies little space, is easy to implement the stepless change of hybrid power
The switching of the power transfer path of speed system helps to control the size of entire hybrid variable-speed system, greatly improve
Applicability on arrangement.
As depicted in figs. 1 and 2, external tooth type tooth set 4a is axially mobile setting, and motor power coupling mechanism also wraps
The piston assembly 3 for controlling external tooth type tooth set 4a movable along the axial direction is included, which is located at the first combination gear 4b
And second between combination gear 4d.Piston assembly 3 includes the piston 3b of axially translatable setting, and external tooth type tooth set 4a is that can revolve
Turn be arranged at piston 3b on and piston 3b and external tooth type tooth cover 4a can be synchronous movable along the axial direction.External tooth type tooth set 4a passes through
Bearing 3d is mounted on piston 3b, and piston 3b is between the first combination gear 4b and the second combination gear 4d, and piston 3b is along axis
To external tooth type tooth when being moved, can be driven to cover 4a synchronizing movings, and then realize external tooth type tooth set 4a optionally with the
One combination gear 4b and the second combination gear 4d are meshed.
As depicted in figs. 1 and 2, piston assembly 3 further includes return spring 3c and spider 3a, and piston 3b is arranged at spider
On 3a, spider 3a is fixedly connected with case of transmission, and input shaft 1 passes through spider 3a.As preference, spider 3a is with becoming
Fast device housing is is threadedly coupled, easy disassembly.Return spring 3c applies elastic acting force to piston 3b, so that piston 3b drives are outer
Tooth-like tooth set 4a is axially moveable to the position engaged with the second combination gear 4d.The axis of return spring 3c and input shaft 1
Axis it is parallel, return spring 3c is clipped between piston 3b and spider 3a, one end and the spider 3a phases of return spring 3c
It contradicts, the other end and piston 3b of return spring 3c is inconsistent.As preference, return spring 3c is cylindrically coiled spring and is
Compress spring, return spring 3c and between the first combination gear 4b and piston 3b.Return spring 3c settings are multiple, all times
Position spring 3c is is uniformly distributed circumferentially on the outside of spider 3a, by the way that multiple return spring 3c is set to apply bullet to piston 3b
Property active force, it is ensured that piston 3b is stable, it is ensured that external tooth type tooth set 4a combined steadily with the second combination gear 4d.In piston 3b
Hydraulic oil can be passed through, the hydraulic oil being passed through in piston 3b offsets return bullet for promoting piston 3b movable along the axial direction
The elastic acting force that spring 3c is generated is nibbled so that piston 3b drives external tooth type tooth set 4a to be axially moveable to the first combination gear 4b
At the position of conjunction.
As depicted in figs. 1 and 2, the second combination gear 4d is connected by gear drive with output shaft 13, which passes
Motivation structure is two-stage gear mechanism, which includes the first gear 15 engage with the second combination gear 4d and the
The second gear 16 of one gear 15 engagement and the 3rd gear 17 engaged with second gear 16, the 3rd gear 17 is fixedly installed on defeated
On shaft 13, second gear 16 is located between 15 and the 3rd gear 17 of first gear, and second gear 16 and driven pulley 11 are same
Axis is set and second gear 16 and driven pulley 11 are synchronous rotary, and second gear 16 is fixed at same with driven pulley 11
On axis.First gear 15 is rotatably arranged on jackshaft 12, and jackshaft 12 is fixed on case of transmission, jackshaft
12 and jackshafts 12 parallel with input shaft 1 are between input shaft 1 and output shaft 13.First gear 15,16 and of second gear
3rd gear 17 is roller gear, and it is convex that the periphery of the second combination gear 4d is equipped with the circle engaged with first gear 15
Tooth, the second combination gear 4d remain meshing state with first gear 15.The power that motor generates can pass through gear drive machine
Structure is directly delivered to wheel, since gear-driven efficiency is that efficiency is highest in machine driving, and motor different rotating speeds itself
Lower efficiency variance is smaller, the transmission of such fixed speed ratio, it can be ensured that the dynamic high efficiency of motor is transferred to wheel of vehicle, so
It allows for electric energy efficiently to be utilized, and gear drive does not have torque limit, thus avoids stepless speed changing mechanism
Transmission belt 10 can not be born the defects of motor large torque, and power is not directly delivered to wheel by transmission belt 10 so that motor
Power is fully played, it is ensured that the high power performance of vehicle.
The present invention hybrid variable-speed system can realize pure engine drive mode, pure motor drive mode and
The pattern that engine and motor drive simultaneously, and can realize when high-voltage electricity exhausts or high-tension system is protected still
It can realize and work under pure engine drive mode, and can be realized through engine driving motor come real under any operating mode
It now generates electricity, to ensure that vehicle High-Voltage Electrical Appliances component can work normally in any case, meet vehicle requirement；And it uses
Stepless speed changing mechanism realizes function of stepless speed regulation so that function is started to always work in optimum efficiency region, can be effectively improved
Rate of economizing gasoline, while Motor torque is directly output on the axis behind buncher driven pulley 11 so that Motor torque from
Limitation, and ensure that motor power is transferred to wheel by direct geared, ensure the efficient output of motor.Pass through optimization simultaneously
Structure design so that the size Control of entire mixed dynamic stepless gear special carries significantly in the range of traditional buncher
Applicability on high arrangement.
The power of engine is passed through input shaft 1 by the hybrid variable-speed system of the present invention using above-mentioned structure
Advance reverse gear mechanism 8 is transferred power to, advance reverse gear mechanism 8 imparts power to stepless speed changing mechanism, stepless speed changer again
The speed change of structure causes the rotating speed of input and torque (i.e. power) to be adjusted, and stepless speed changing mechanism simultaneously imparts power to output shaft
13, output power to wheel eventually by differential mechanism 14.When not having oil pressure in piston 3b, return spring 3c, which is promoted, to live
Plug 3b is axially moveable, and piston 3b drives external tooth type tooth set 4a synchronizing movings, final to realize external tooth type tooth set 4a and internal messing formula
The engagement of tooth hub 4c and the second combination gear 4d so that motor power coupling mechanism can be directly by gear drive by power
Wheel is transferred to, and in vehicle travel process, engine can realize generating function with driving motor, equally in moderating process
In, the inertia force of vehicle is sequentially delivered to motor by wheel, realizes energy regenerating.When having oil pressure in piston 3b,
Oil pressure promotes piston 3b to be axially moveable, and piston 3b drives external tooth type tooth set 4a synchronizing movings, final to realize external tooth type tooth set 4a
With engaging for internal messing formula tooth hub 4c and the first combination gear 4b, the connection of motor and input shaft 1 is realized so that motor couple of force
Wheel will be output to by stepless speed changing mechanism by closing the power that mechanism generates, and can so realize that Motor torque passes through variable speed
Mechanism, which zooms in or out, to be output to wheel or realizes in vehicle parking, by disconnecting the clutch of advance reverse gear mechanism 8,
The function of power generation is realized by driven by engine motor, ensures to realize diesel-electric function in the case of stationary vehicle,
So as to fulfill the normal use that can realize that driven by engine electric power generation ensures High-Voltage Electrical Appliances under any operating mode of vehicle.
It when working under engine drive mode, is rotated by driven by engine input shaft 1, passes through advance reverse gear mechanism 8
In clutch transfer power to stepless speed changing mechanism, stepless speed changing mechanism imparts power to output shaft 13 again, final logical
It crosses differential mechanism 14 and outputs power to wheel, since engine power by stepless speed changing mechanism is transferred to wheel so that pure hair
When motivation works, it can be ensured that engine fuel is economical to perform to optimum level.Under the operating mode no matter in piston 3b whether
There is oil pressure, the power of engine can be transferred to motor, can generate electricity with driving motor rotor 6 to realize, so the system can
Pass through engine driving electric power generation during being travelled with realization.Or motor power can equally be output to vehicle under the operating mode
Wheel can realize that engine and motor drive vehicle to realize large torque output simultaneously.
When working in a motor drive mode, pass through in piston 3b without oil pressure, the power of motor in internal-gear type conjunction gear
Pinion unit be directly delivered to wheel, since gear-driven efficiency is that efficiency is highest in machine driving, and motor sheet
Efficiency variance is smaller under body different rotating speeds, the transmission of such fixed speed ratio, it can be ensured that the dynamic high efficiency of motor is transferred to vehicle
Wheel is just so that electric energy is efficiently utilized, and gear drive does not have torque limit, thus avoids variable speed
Device transmission belt 10 can not be born the defects of motor large torque, and power is not directly delivered to wheel by transmission belt 10 so that motor
Power fully played, it is ensured that the high power performance of vehicle.It simultaneously can be by combining advance reverse gear mechanism 8 under the operating mode
In friction clutch come band driven input shaft 1 rotate to start engine, realize pure motor driving traveling during start
Engine makes motor and engine drive vehicle or engine that vehicle or engine driving electric power generation is operated alone simultaneously.Or
Person, the second combination gear 4d can also transfer power to stepless speed changing mechanism or output shaft 13 or poor by gear drive
Fast device 14 transfers power to wheel again.
On the contrary in moderating process, the moment of inertia of vehicle is transferred to motor by reducing gear and gear drive,
It realizes that the ability of moderating process is recovered in battery by power generation by the generating function of motor, realizes energy-saving and emission-reduction.
The present invention is exemplarily described above in association with attached drawing.Obviously, the present invention implements and from above-mentioned side
The limitation of formula.As long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. a kind of hybrid variable-speed system, including output shaft, motor power coupling mechanism, stepless speed changing mechanism and with hair
Motivation connects and for power to be transferred to the input shaft of stepless speed changing mechanism, motor power coupling mechanism include motor stator,
Rotor and the motor support axis being connected with rotor, it is characterised in that：The motor power coupling mechanism further includes use
Between power transmission and/or motor support axis and the output shaft between the realization input shaft and the motor support axis
Power transfer synchronizer.
2. hybrid variable-speed system according to claim 1, it is characterised in that：The motor power coupling mechanism
It is connected to the output shaft by gear drive, the synchronizer is used to control the motor support axis and gear drive machine
The transmission and interruption of power between structure.
3. hybrid variable-speed system according to claim 1 or 2, it is characterised in that：The synchronizer includes can
The first combination gear and the second combination gear of rotary setting are optionally nibbled with the first combination gear and the second combination gear
Conjunction external tooth type tooth set and with external tooth type tooth set engage and with the internal messing formula tooth hub of the motor support axis connection, internal messing
Formula tooth hub is covered with external tooth type tooth and motor support axis synchronous rotary, and the first combination gear is combined with the input axis connection and first
Gear and input shaft synchronous rotary.
4. hybrid variable-speed system according to claim 3, it is characterised in that：First combination gear and
For two combination gears to be oppositely arranged, the external tooth type tooth set and internal messing formula tooth hub are located at the first combination gear and the second conjunction gear
Between wheel.
5. the hybrid variable-speed system according to claim 3 or 4, it is characterised in that：The internal messing formula tooth hub
It is connected with the motor support axis by spline, first combination gear is connected with the input shaft by spline.
6. the hybrid variable-speed system according to claim 3 or 4, it is characterised in that：The motor power coupling
Mechanism further includes that the external tooth type tooth is controlled to cover piston assembly movable along the axial direction.
7. hybrid variable-speed system according to claim 6, it is characterised in that：The piston assembly is included along axis
To the piston being movably arranged, the external tooth type tooth covers to be rotatably arranged on piston and piston can be same with external tooth type tooth set
It walks movable along the axial direction.
8. hybrid variable-speed system according to claim 7, it is characterised in that：The piston assembly further includes back
Position spring, return spring applies elastic acting force to the piston, so that external tooth type tooth set is axially moveable described in piston driving
To the position engaged with second combination gear.
9. hybrid variable-speed system according to claim 8, it is characterised in that：The piston assembly further includes work
Fill in hub, the piston is arranged on spider, piston assembly be located at first combination gear and second combination gear it
Between.
10. according to any hybrid variable-speed system of claim 3 to 9, it is characterised in that：Described second combines
Gear is connected to the output shaft by gear drive.
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| CN201810067933.0A CN108099579A (en) | 2018-01-24 | 2018-01-24 | A kind of hybrid variable-speed system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810067933.0A CN108099579A (en) | 2018-01-24 | 2018-01-24 | A kind of hybrid variable-speed system |
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| CN108099579A true CN108099579A (en) | 2018-06-01 |
Family
ID=62220440
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810067933.0A Pending CN108099579A (en) | 2018-01-24 | 2018-01-24 | A kind of hybrid variable-speed system |
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