CN207825922U - A kind of hybrid variable-speed system - Google Patents
A kind of hybrid variable-speed system Download PDFInfo
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- CN207825922U CN207825922U CN201820117336.XU CN201820117336U CN207825922U CN 207825922 U CN207825922 U CN 207825922U CN 201820117336 U CN201820117336 U CN 201820117336U CN 207825922 U CN207825922 U CN 207825922U
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Abstract
The utility model discloses a kind of hybrid variable-speed systems, it connect 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 connect with rotor, and the motor power coupling mechanism further includes the synchronizer transmitted for realizing the power transmission between the input shaft and the motor support axis and/or the power between motor support axis and the output shaft.The hybrid variable-speed system of the utility model may be implemented still to may be implemented to work under pure engine drive mode when high-voltage electricity exhausts or high-tension system is protected, greatly improve the Technology of Hybrid Electric Vehicle scope of application by the way that synchronizer is arranged.
Description
Technical field
The utility model belongs to transmission technology field, specifically, the utility model is related to a kind of hybrid power is stepless
Speed change system.
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 transmitted 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 mode, pure motor drive mode, the pattern that internal combustion engine and motor drive simultaneously.Together
When above pattern be all often by speed changer inside HYDRAULIC CONTROL SYSTEM realize.
Although current mixed dynamic transmission system all realize more than drive mode, 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 modes by clutch, realize the effect of energy-saving and emission-reduction, but due to motor
Power loads on the input shaft of AT speed changers, causes when engine and motor work at the same time torque to be more than that AT speed changers bear to turn round
It needs to limit motor or engine power when square, or needs to develop AT speed changers again to adapt to turn round greatly
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, lead to engine
Power can not be transmitted to speed changer vehicle can not be worked under independent engine-driven pattern.AT speed changers have simultaneously
The speed change of grade formula makes engine that can not be operated in most efficient region always, and the efficiency of engine is caused to be unable to get to greatest extent
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.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
For a kind of hybrid variable-speed system, it is therefore an objective to which realization still may be used when high-voltage electricity exhausts or high-tension system is protected
It is worked under pure engine drive mode with realizing.
To achieve the goals above, the technical solution that the utility model is taken is：A kind of hybrid variable-speed system,
Including output shaft, motor power coupling mechanism, stepless speed changing mechanism and connect with engine and for power to be transferred to it is stepless
The input shaft of gear, motor power coupling mechanism include motor stator, rotor and the motor being connect with rotor
Support shaft, the motor power coupling mechanism further include for realizing the power between the input shaft and the motor support axis
The synchronizer that transmission and/or the power between motor support axis and the output shaft transmit.
The motor power coupling mechanism is connected to the output shaft by gear drive, and the synchronizer is for controlling
Make the transmission and interruption of the power between the motor support axis and gear drive.
The synchronizer include rotatable setting the first combination gear and the second combination gear, 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 are to be 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 connect 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 covering piston movable along the axial direction for controlling the external tooth type tooth
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 set 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 utility model may be implemented to exhaust when high-voltage electricity by the way that synchronizer is arranged
Or high-tension system still may be implemented to work under pure engine drive mode when protecting, and greatly improve Technology of Hybrid Electric Vehicle
The scope of application；And function of stepless speed regulation is realized using stepless speed variator system so that engine and motor can always work in
Optimum efficiency region can effectively improve rate of economizing gasoline.Motor torque can be directly output to stepless speed variator system simultaneously so that motor
Torque is unrestricted, and ensures that motor power is transmitted to vehicle by direct geared, ensures the efficient output of motor, Huo Zhe
When vehicle needs large torque to climb, motor power can also be output to wheel after the adjusting of belt wheel steel band；And in any work
It can be realized under condition and power generation is realized by engine driving motor, to ensure that vehicle High-Voltage Electrical Appliances component can in any case
Normal work, meets vehicle requirement；The hybrid variable-speed system structure of the utility model is simple simultaneously, a whole set of machine
Structure size ratio conventional transmissions are also small, improve arrangement of mechanism applicability, while reducing weight and cost.
Description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is the structural schematic diagram of the utility model hybrid variable-speed system；
Fig. 2 is the structural schematic diagram of motor power coupling mechanism；
In figure label for：1, input shaft；2, spring bearing；
3, piston assembly；3a, spider；3b, piston；3c, return spring；3d, bearing；
4, 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；
5, motor support axis；6, rotor；7, motor stator；8, advance reverse gear mechanism；9, driving pulley；10, it is driven
Band；11, driven pulley；12, jackshaft；13, output shaft；14, differential mechanism；15, first gear；16, second gear；17, third
Gear.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and contribute to its implementation.
As depicted in figs. 1 and 2, the utility model provides a kind of hybrid variable-speed system, including transmission case
Body, hydraulic oil pump, output shaft 13, motor power coupling mechanism, advance reverse gear mechanism 8, stepless speed changing mechanism, differential mechanism 14 and with
Engine connects and the input shaft 1 for power to be transferred to stepless speed changing mechanism, stepless speed changing mechanism are connect with output shaft 13
Power is transferred to output shaft 13.Motor power coupling mechanism includes motor, and motor includes motor stator 7,6 and of rotor
The motor support axis 5 being connect with rotor 6, motor power coupling mechanism further include for realizing input shaft 1 and motor support
The synchronizer 4 that power between axis 5 transmits and/or the power between motor support axis 5 and output shaft 13 transmits.
Specifically, as depicted in figs. 1 and 2, motor stator 7 is matched with rotor 6, and rotor 6 is set to electricity
The inside of machine stator 7 and rotor 6 can be rotated relative to 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 constitute starting mechanism, 5 empty set of motor support axis is in input shaft 1
Upper and motor support axis 5 and input shaft 1 are coaxial arrangement, and input shaft 1 passes through motor support axis 5, one end of input shaft 1 with start
Machine connects, and the power for receiving engine generation, input shaft 1 is simultaneously connect 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, is switched between drive shift and reverse gear for realizing hybrid variable-speed system.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 and are detached by piston control respectively, advance reverse gear mechanism 8
Planetary gear set connect with stepless speed changing mechanism and input shaft 1, reverse gear friction clutch group and advance friction clutch group
It is connect 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 as 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.The mechanism that starts to walk is arranged among motor power coupling mechanism and stepless speed changing mechanism, realizes power
Transmission between engine and stepless speed changing mechanism, while realizing advance reverse gear work(by controlling two groups of multi-disc friction clutches
Energy.
As shown in Figure 1, stepless speed changing mechanism is variable v-belt drive comprising the planet tooth with advance reverse gear mechanism 8
Wheel group connects and is used to receive the driving pulley 9 for the power that planetary gear set is transmitted, driven pulley 11 and is set to 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 connect by gear drive with output shaft 13, synchronizer 4
Transmission and interruption for controlling the power between motor support axis 5 and gear drive.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 when stationary vehicle, break
After the clutch for opening advance reverse gear mechanism 8, the operating of engine driving motor may be implemented and realize generating function, 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 deceleration mechanism with
Differential mechanism 14 connect and the deceleration mechanism play the role of slow down increase square, deceleration mechanism and be one-stage gear mechanism, realize power
It transmits, which includes the driving gear being fixedly installed on output shaft 13 and be fixedly installed on the shell 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 and external tooth type tooth set 4a and motor that 4a is engaged and connect with motor support axis 5
5 synchronous rotary of support shaft, the first combination gear 4b is connect with input shaft 1 and the first combination gear 4b and 1 synchronous rotary of input shaft.
First combination gear 4b and the second combination gear 4d is to be oppositely arranged, and external tooth type tooth covers 4a and internal messing formula tooth hub 4c and 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 detached with the second combination gear 4d, if engine operates and disconnect advancing
The clutch of gear mechanism 8, then the 4b rotations of first combination gear of the drive of input shaft 1, the first combination gear 4b pass through external tooth type tooth set
4a and internal messing formula tooth hub 4c drive motor support axis 5 to rotate, and then the operating of engine driving motor may be implemented, and are sent out
Electricity.Alternatively, after external tooth type tooth set 4a is engaged with the first combination gear 4b, external tooth type tooth covers 4d points of 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 transmits
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 detached 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 drives the second combination gear 4d rotations, the power that motor power coupling mechanism generates at this time
It can be transmitted 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.
Preferably, as depicted in figs. 1 and 2, internal messing formula tooth hub 4c is connect 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 connect 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, the second combination gear of case of transmission pair 4d provides support, and the second combination gear 4d is rotatable relative to 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 be coaxial arrangement, external tooth type tooth set 4a be set 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 that external tooth type tooth covers 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 connect 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 ensures being capable of synchronous rotary after the second combination gear 4d is engaged with external tooth type tooth set 4a.
The synchronizer 4 of above 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 contributes to the size for controlling entire hybrid variable-speed system, greatly improves
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 movable along the axial direction for controlling external tooth type tooth set 4a 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 set to 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 set to spider
On 3a, spider 3a is fixedly connected with case of transmission, and input shaft 1 passes through spider 3a.Preferably, spider 3a and change
Fast device shell is to be 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.Preferably, return spring 3c is cylindrically coiled spring and is
Compressed 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 to be uniformly distributed circumferentially on the outside of spider 3a, applies bullet to piston 3b by the way that multiple return spring 3c are arranged
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
It can be passed through hydraulic oil, the hydraulic oil being passed through in piston 3b offsets return bullet for pushing 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 connect 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 third gear 17 engaged with second gear 16, third gear 17 is fixedly installed on defeated
On shaft 13, for second gear 16 between first gear 15 and third gear 17, second gear 16 and driven pulley 11 are same
Axis is arranged 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
Third 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 transmitted to wheel of vehicle, in this way
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 bear the defect 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 hybrid variable-speed system of the utility model can realize pure engine drive mode, pure motor drive mode
And the pattern that engine and motor drive simultaneously, and may be implemented when high-voltage electricity exhausts or high-tension system is protected
It still may be implemented to work under pure engine drive mode, and can be realized through engine driving motor under any operating mode
It generates electricity to realize, to ensure that vehicle High-Voltage Electrical Appliances component can work normally in any case, meet vehicle requirement；And
Function of stepless speed regulation is realized using stepless speed changing mechanism so that start function to always work in optimum efficiency region, it can be effective
Rate of economizing gasoline is improved, while Motor torque is directly output on 11 subsequent axis of contiuously variable transmission driven pulley so that Motor torque
It is unrestricted, and ensure that motor power is transmitted to wheel by direct geared, ensure the efficient output of motor.Simultaneously by excellent
The structure design of change so that the size Control of entire mixed dynamic stepless gear special is in the range of traditional contiuously variable transmission, greatly
The big applicability improved on arrangement.
The hybrid variable-speed system of the utility model uses above-mentioned structure, and the power of engine is passed through input
Axis 1 transfers power to advance reverse gear mechanism 8, and advance reverse gear mechanism 8 imparts power to stepless speed changing mechanism, variable speed again
The speed change of mechanism makes the rotating speed of input and torque (i.e. power) be adjusted, and stepless speed changing mechanism simultaneously imparts power to output
Axis 13 outputs power to wheel eventually by differential mechanism 14.When not having oil pressure in piston 3b, return spring 3c is pushed
Piston 3b is axially moveable, and piston 3b drives external tooth type tooth to cover 4a synchronizing movings, final to realize external tooth type tooth set 4a and internal messing
The engagement of formula tooth hub 4c and the second combination gear 4d so that motor power coupling mechanism will directly can be moved by gear drive
Power is transmitted to wheel, and in vehicle travel process, and engine can realize generating function with driving motor, equally slow down
The inertia force of Cheng Zhong, vehicle are sequentially delivered to motor by wheel, realize energy regenerating.When having oil pressure in piston 3b
It waits, oil pressure pushes piston 3b to be axially moveable, and piston 3b drives external tooth type tooth to cover 4a synchronizing movings, final to realize external tooth type tooth set
4a is engaged with internal messing formula tooth hub 4c's and the first combination gear 4b, realizes the connection of motor and input shaft 1 so that motor power
The power that coupling mechanism generates will be output to wheel by stepless speed changing mechanism, and Motor torque may be implemented in this way and pass through stepless change
Fast mechanism, which zooms in or out, is output to wheel, or realizes in vehicle parking, by the clutch for disconnecting advance reverse gear mechanism 8
Device realizes the function of power generation by driven by engine motor, ensures that diesel-electric work(may be implemented in the case of stationary vehicle
Can, it can realize that driven by engine electric power generation ensures the normal use of High-Voltage Electrical Appliances under any operating mode of vehicle to realize.
When working under engine drive mode, is rotated by driven by engine input shaft 1, pass 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 is transmitted to wheel by stepless speed changing mechanism 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 are oil pressure, the power of engine that can be transmitted to motor, can be generated electricity with driving motor rotor 6 to realize, so the system can
To realize in driving process through engine driving electric power generation.Or motor power can equally be output to vehicle under the operating mode
Wheel may be implemented engine and motor while vehicle being driven to realize large torque output.
When working in a motor drive mode, pass through in internal-gear type conjunction gear without oil pressure, the power of motor in piston 3b
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 transmitted 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 bear the defect 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 carry out band driven input shaft 1 and rotate to start engine, realize and start in pure motor drives driving process
Engine makes motor and engine while driving vehicle or engine that vehicle or engine driving electric power generation is operated alone.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 transmitted to motor by deceleration mechanism 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 utility model is exemplarily described above in association with attached drawing.Obviously, the utility model implements not
It is limited by aforesaid way.As long as using the various unsubstantialities of the methodology and technical solution progress of the utility model
Improvement；Or it is not improved, above-mentioned design and technical solution by the utility model directly apply to other occasions, at this
Within the protection domain of utility model.
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 connect with rotor, it is characterised in that：The motor power coupling mechanism further includes using
Between realizing power transmission and/or motor support axis and the output shaft between the input shaft and the motor support axis
Power transmit 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 for controlling 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
The external tooth type tooth of conjunction cover and engaged with external tooth type tooth set 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, the first combination gear are 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
Two combination gears are to be oppositely arranged, and 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. hybrid variable-speed system according to claim 3, it is characterised in that：The internal messing formula tooth hub and institute
It states motor support axis to connect by spline, first combination gear is connect with the input shaft by spline.
6. hybrid variable-speed system according to claim 3, it is characterised in that：The motor power coupling mechanism
Further include covering piston assembly movable along the axial direction for controlling the external tooth type tooth.
7. hybrid variable-speed system according to claim 6, it is characterised in that：The piston assembly includes along axis
To the piston being movably arranged, external tooth type tooth set is is 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 described in piston driving is axially moveable
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 living
Fill in hub, the piston is set on spider, piston assembly be located at first combination gear and second combination gear it
Between.
10. hybrid variable-speed system according to claim 3, it is characterised in that：Second combination gear is logical
Gear drive is crossed to be connected to the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117336.XU CN207825922U (en) | 2018-01-24 | 2018-01-24 | A kind of hybrid variable-speed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117336.XU CN207825922U (en) | 2018-01-24 | 2018-01-24 | A kind of hybrid variable-speed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207825922U true CN207825922U (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099579A (en) * | 2018-01-24 | 2018-06-01 | 芜湖万里扬变速器有限公司 | A kind of hybrid variable-speed system |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099579A (en) * | 2018-01-24 | 2018-06-01 | 芜湖万里扬变速器有限公司 | A kind of hybrid variable-speed system |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
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