CN110017370A - The mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output - Google Patents
The mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output Download PDFInfo
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- CN110017370A CN110017370A CN201910314879.XA CN201910314879A CN110017370A CN 110017370 A CN110017370 A CN 110017370A CN 201910314879 A CN201910314879 A CN 201910314879A CN 110017370 A CN110017370 A CN 110017370A
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- cam
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H63/3043—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force comprising friction clutches or brakes
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
-
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/50—Signals to an engine or motor
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H2061/044—Smoothing ratio shift when a freewheel device is disengaged or bridged
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/305—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using electromagnetic solenoids
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/3056—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using cam or crank gearing
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of mechanical double overdrive clutch self-adapting automatic gear shift main shaft assemblies of planetary system output, and using planetary gear train output power, speed change system includes bottom gear transmission mechanism, reverse gear transmission and adaptive rate component；The transmission ratio I that there is reverse gear mechanism the power that will reverse gear main shaft is transferred to from countershaft, bottom gear transmission mechanism have the transmission ratio II that bottom gear power is transferred to main shaft from countershaft, and transmission ratio I is more than or equal to transmission ratio II；The present invention utilizes the reasonable cooperation of two freewheel clutches, so that overall structure is simple and compact, reverse gear and bottom gear, fast gear are driven and share drive path, and it does not interfere, it ensure that overall performance, adaptability is stronger, cooperates smooth nature with self-adapting automatic gear shift mechanism, it is exported using planetary reduction gear, output torque can be improved, and high-speed motor can be used as power source, improve whole efficiency, electric automobiles are not only applicable to, and are suitable for other change torque machinery transmission fields.
Description
Technical field
The present invention relates to a kind of vehicle transmission, in particular to a kind of mechanical double overdrive clutch of planetary system output is certainly
Adapt to fluid drive main shaft assembly.
Background technique
The general applying working condition of machine driven system is complicated, needs to distribute the transmission that torque realizes different loads and revolving speed, with
For electric vehicle, running environment is complicated and changeable.And the electric drive method that existing electric car generallys use is that motor driven is fixed
Speed ratio, high efficiency reasonable interval is narrow limited, causes vicious circle, thus generates following point:
It works in the range of the torque of a certain operating condition 1. can only meet.
2. can only improve the revolving speed of motor to meet road condition in constant-speed ratio, increase motor manufacturing cost.
3. the motor feels hot, service efficiency and service life decline；
4. such as to meet requirement of the electric car complex working condition to torque, it can only be by constantly increasing current of electric and turning
Speed can not only take the harm being large current discharge to battery into account, can only utilize peak power, peak torque and the big electricity of peak value of motor
Stream carrys out driving motor, does not follow the flash-over characteristic of power battery pack completely；
5. power battery pack capacitance sharply declines since the heavy-current discharge duration is long, peak value heavy-current discharge makes
Battery steep temperature rise, heating cause battery core internal resistance increased dramatically, and battery is greatly impacted and brings the damage that can not be retrieved
Evil, capacitance of storage and battery core service life fall sharply, and number of recharge cycles is quickly reduced, the problem that course continuation mileage can be brought shorter and shorter；
6. energy recovery efficiency is low；
7. being to increase function to increase square using high-speed motor acceleration and deceleration mechanism essence, high efficiency conversion can not achieve, in low-speed heave-load
Under operating condition, motor performance can be brought to deteriorate rapidly, hinder the problem of turning lower low efficiency；High current power supply and frequent heavy current impact,
Battery caused by overloading, controller, electric appliance and cable do not keep off damage, and especially big big battery shortens circulation mission, less economical；
But the prior art is by the driving method and technology path of constant-speed ratio utilized above that there are critical defects and can not
Overcome.
Existing automatic transmission passes through synchronizer, shift fork and tooth using solenoid valve and servo motor for more property controls
The component of machine such as ring realize upshift and downshift.It is more that Ji Ju forms components, it is necessary to cut off power, at this moment motor speed moment liter
To highest, and running car power suddenly disappears, speed prompt drop in the case where travelling drag effect, and algorithm complexity is difficult to realize in due course same
Step control, and require cutting conversion time in a short time, pause and transition in rhythm or melody sense is strong, poor reliability etc.；There is safety, comfort,
The problems such as reliability.
In order to solve problem above, present inventor has invented a series of cam self-adapting automatic gear shifting device, energy
Detect driving torque-revolving speed and running resistance-speed signal according to running resistance, make motor or engine output with
Traveling state of vehicle is in best match state always, realizes that vehicle traction torque and the balance of comprehensive running resistance control, convex
Self-adapting automatic gear shifting device load with traveling power variation change transmission ratio, in the case where not cutting off driving force adaptively with
Running resistance variation is automatic to carry out shift speed change, makes motor or engine always in high efficient area speedy carding process torque；It can expire
Motor vehicles run smoothly under sufficient mountain area, hills and heavy load conditions, improve safety；Form what separation combined using frictional disk
Structure has the advantages that be quick on the draw, and axial dimension is smaller, the above problem existing for very good solution electric vehicle.Although
It has the above advantages, cam self-adapting automatic gear shifting device is suitable for electric motorcycle due to using in mechanical automatic speed changing structure
The unidirectional delivery power of vehicle and electric bicycle is not suitable for needing the speed changer of the motor vehicle of bi-directional drive and mechanical device, if
Using traditional reverse gear mechanism, the volume of speed changer entirety and the complexity of structure not only will increase, and adaptive with cam
Answer automatic transimission that cannot merge well.
Therefore, it is necessary to one kind to improve above-mentioned cam self-adapting automatic gear shifting device, and it is stronger to increase adaptability
Reverse gear mechanism, device are not only able to carry out shift change automatically in the case where adaptively not cutting off driving force with running resistance variation
Speed, and can solve under bi-directional drive operating condition, it is able to satisfy the problem of complex condition high efficiency road forward and reverse travels,
And setting is simple and compact, cooperates smooth with cam self-adapting automatic gear shifting mechanism naturally, reducing manufacturing cost, guarantees the steady of transmission
It is qualitative.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of mechanical double overdrive clutch of planetary system output is adaptively automatic
Main shaft assembly, increases the stronger reverse gear mechanism of adaptability, and device is not only able to not cut with running resistance variation adaptively
Shift speed change is carried out automatically in the case where disconnected driving force, and can solve under bi-directional drive operating condition, and complex condition is able to satisfy
The problem of high efficiency road forward and reverse travels, and setting is simple and compact, it is suitable to cooperate with cam self-adapting automatic gear shifting mechanism
Freely naturally, reducing manufacturing cost, guarantee the stability of transmission.
The mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output of the invention, including main shaft,
Speed change system on planetary gear train and main shaft, the speed change system include bottom gear power input, reverse gear power input and
Adaptive rate component；
Adaptive rate component includes from dynamic friction piece, active friction part and speed change elastic element；
Active friction part and frictional drive pair is formed in such a way that rubbing surface is mutually matched from dynamic friction piece, speed change elasticity member
Part applies the pretightning force for making to be bonded transmission with active friction part from dynamic friction piece, described to pass through first axis cam from dynamic friction piece
Pair cooperates with spindle drive, when the first axis cam adjutant power is exported by main shaft, applies and becomes to from dynamic friction piece
The opposite axial thrust load of fast elastic element pretightning force；Driving power is input to one first freewheel clutch to which power to be input to
The active friction part；The main shaft is outputed power by planetary gear train；
The bottom gear power input is the second freewheel clutch that main shaft is equipped with, and second freewheel clutch is used
In bottom gear power being transferred to from dynamic friction piece and by being transferred to main shaft from dynamic friction piece；
The power input of the reversing gear power that can will reverse gear is transferred to reverse gear power output from dynamic friction piece and by main shaft；
The power input of reversing gear is inputted power by transmission ratio I, and is outputted power to from dynamic friction piece, described
Bottom gear power input is inputted bottom gear power by transmission ratio II, and is outputted power to from dynamic friction piece, transmission ratio I
More than or equal to transmission ratio II；
The planetary gear train includes outer gear ring, planetary gear, planet carrier and sun gear, in use, the outer gear ring is fixed
In mission case.
Further, second freewheel clutch and reverse gear mechanism pass through second axial cam adjutant's power be transferred to from
Dynamic friction piece.
Further, power is input to sun gear input and is exported by planet carrier by the main shaft；Second axial cam
Pair is cooperatively formed by the cam sleeve with edge cam and the edge cam having from dynamic friction piece, the cam sleeve rotation
Engagement sleeves are described to pass through first axis cam auxiliary driving engagement sleeves on main shaft from dynamic friction piece on main shaft；
The first freewheel clutch inner ring, which is rotatably assorted to be coated at cam sleeve and be driven with active friction part, to be cooperated；It drives
Dynamic power input the first freewheel clutch outer ring and power exported simultaneously by the first freewheel clutch outer ring formation reverse gear it is dynamic
Power or bottom gear power；
The sun gear and main shaft coaxial transmission cooperate, and are equipped with power output shaft with planet carrier transmission cooperation, described
Power output shaft is coaxial with main shaft.
Further, the outer ring transmission of second freewheel clutch is equipped with or is directly formed bottom gear driven gear
For receiving bottom gear power；It is described reverse gear power input be for it is engageable or separation input reverse gear power reverse gear from
Inner ring and the cam sleeve transmission of moving gear, reverse gear driven gear and second freewheel clutch cooperate and the setting that is rotatably assorted
In main shaft；The transmission ratio I is greater than transmission ratio II.
Further, it is driven cooperation with first freewheel clutch outer ring and is rotatably assorted and is coated at cam sleeve or second
Cam sleeve is equipped with the intermediate driving gear for exporting bottom gear power or reverse gear power.
Further, the speed change elastic element is speed change disc spring, and the speed change disc spring is coated at main shaft and one end passes through
Plane bearing is resisted from dynamic friction piece, and the plane bearing is the plane rolling bearing of radially double small ball.
Further, with the outer ring of first freewheel clutch transmission cooperation be equipped with drive sleeve, the drive sleeve be used for
Rotor transmission cooperation input power, and axially extending formation axle journal is rotatably assorted and is supported in cabinet, the active friction part,
It is respectively positioned in the cavity between drive sleeve and main shaft from dynamic friction piece and speed change disc spring.
Further, the inner ring of second freewheel clutch and reverse gear part pass through third axial cam adjutant's power
The second axial cam pair is transferred to be transferred to from dynamic friction piece, the third axial cam pair is coated at master by being rotatably assorted
The edge cam of second cam sleeve of axis is cooperatively formed from the edge cam of one end of dynamic friction piece backwards with cam sleeve.
Further, outer end extends to form the axis that transmission cooperation is coated at main shaft to the second freewheel clutch inner ring in the axial direction
Set, in use, axle sleeve, which is rotatably assorted, is supported in mission case, the other end and the transmission of the second cam sleeve cooperate；
Outer ring axial direction one end of first freewheel clutch and intermediate driving gear transmission cooperate, and the other end is fixedly connected
In drive sleeve, in use, the main shaft power output end is passed through and is rotatably assorted and is supported in mission case.
Further, in use, the sleeve outer circle of first freewheel clutch is rotatably assorted by the first rolling bearing
It is supported in mission case；Second cam sleeve is rotatably assorted by the second rolling bearing and is supported in mission case, and described
Two rolling bearings are located between reverse gear driven gear and intermediate driving gear, and the intermediate driving gear axially extends to form axis
Neck, and the axle journal also passes through the 5th rolling bearing and is rotatably assorted and is supported in cabinet, the intermediate driving gear and second axis of rolling
It is rotatably assorted between holding by the first plane bearing；The drive sleeve inner circle is rotatably assorted by the 4th rolling bearing is supported in master
Axis；The power output shaft, which is integrally formed, is equipped with transmission wheel disc, and the planet carrier is fixedly connected in circumferencial direction with transmission wheel disc,
The driving wheel dish axle forms axle bed to recess, and main shaft coaxial transmission, which fits through the sun gear and is rotatably assorted, is supported in institute
State axle bed.
The beneficial effects of the present invention are: the mechanical double overdrive clutch self-adapting automatic gear shift that planetary system of the invention exports
Main shaft assembly, all advantages with existing cam self-adapting automatic gear shifting device are turned round as can detecting driving according to running resistance
Square-revolving speed and running resistance-speed signal make output power of motor and traveling state of vehicle be in best match shape always
State realizes that vehicle traction torque and the balance of comprehensive running resistance control, adaptively accompanies in the case where not cutting off driving force
Sail the automatic progress shift speed change of resistance variation；It can satisfy and used under mountain area, hills and heavy load conditions, make motor load change
Gently, motor vehicles run smoothly, and improve safety；
Using the reasonable cooperation of two freewheel clutches, transmission ratio is rationally arranged in the structure that will reverse gear and low speed retaining device, makes
It is simple and compact to obtain overall structure, reverse gear and bottom gear, fast gear are driven shared drive path, and do not interfere, and ensure that
The overall performance of Adaptive Mechanical automatic transmission of the invention, adaptability is stronger, and mechanism matches with self-adapting automatic gear shift
It closes smooth naturally, reducing manufacturing cost, guarantees the stability of transmission, be not only applicable to electric automobiles, and be suitable for other
Become torque machinery transmission field；It is exported using planetary reduction gear, output torque can be improved, and high-speed motor can be used as power
Whole efficiency is improved in source, is not only applicable to electric automobiles, and be suitable for other change torque machinery transmission fields.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is axial section structural schematic diagram of the invention；
Fig. 2 is electromagnetism gear shifting structure schematic diagram；
The position Fig. 3 electromagnetism gear shifting structure cross-sectional view；
Fig. 4 is the schematic structural view of the invention using friction plate structure；
Fig. 5 is friction plate structure enlarged drawing.
Specific embodiment
Fig. 1 is axial section structural schematic diagram of the invention, and Fig. 2 is electromagnetism gear shifting structure schematic diagram, the shift of the position Fig. 3 electromagnetism
Structure sectional view, as shown in the figure: the mechanical double overdrive clutch self-adapting automatic gear shift main shaft of planetary system output of the invention is total
At including the speed change system on cabinet 20, planetary gear train, main shaft 1 and main shaft 1, the speed change system includes that bottom gear power is defeated
Enter part, reverse gear power input and adaptive rate component；
Adaptive rate component includes from dynamic friction piece, active friction part and speed change elastic element；
Active friction part and frictional drive pair is formed in such a way that rubbing surface is mutually matched from dynamic friction piece, as shown in Figure 1,
Active friction part 18 and be respectively torus axial direction inner conical drogue and torus axial direction external conical sleeve from dynamic friction piece 2, torus is axial
Inner conical drogue is equipped with axial inner conical surface and is coated at torus axial direction external conical sleeve, and torus axial direction external conical sleeve is equipped with and torus axial direction
The axial male cone (strobilus masculinus) that the axial inner conical surface of inner conical drogue matches forms frictional engagement transmission by the mutually matched conical surface or divides
From details are not described herein；
Certainly, frictional drive pair can also use friction plate structure as shown in Figure 4, Figure 5, active friction part 18 ' and the
One freewheel clutch inner ring is integrally formed or transmission cooperation, and active friction part 18 ' is equipped with active friction plate group 18a ', driven
Friction member is equipped with the driven friction disk group matched with active friction plate 18a ', fit structure and existing friction disk type clutch
Device is similar, but the detachable setting of this structural friction piece, can need to dismount according to overall structure, to guarantee axial dimension；
Speed change elastic element 19, which applies, makes to be bonded the pretightning force being driven with active friction part from dynamic friction piece, described driven to rub
Part is wiped to cooperate by first axis cam pair and the transmission of main shaft 1, when the first axis cam adjutant power is exported by main shaft,
To the axial thrust load opposite with speed change elastic element pretightning force from dynamic friction piece application；First axis cam pair 27 is phase interworking
The axial cam (including edge cam or spiral cam) of conjunction, when rotating from dynamic friction piece, first axis cam pair 27 is generated
Axial and two component of circumferencial direction, wherein circumferencial direction component output power, axial thrust load are acted on from dynamic friction piece and are applied
It is added on speed change elastic element, that is to say, that the rotation direction of first axis cam pair is related with power output rotation direction, this field skill
Art personnel according to the above records, under the premise of learning power output direction, 27 which kind of rotation of first axis cam pair can be learnt
To the axial thrust load that can apply which kind of direction, details are not described herein；；As shown, due to passing through first axle from dynamic friction piece 2
Engagement sleeves are driven on main shaft 1 to cam pair 27, and therefore, first axis cam pair 27 is spiral cam, and details are not described herein；It drives
Power is input to one first freewheel clutch to which power is input to the active friction part；The main shaft passes through planetary gear
System outputs power, and can be realized by reasonable mechanical layout, details are not described herein.
The bottom gear power input is the second freewheel clutch 6 that main shaft is equipped with, second freewheel clutch 6
For being transferred to bottom gear power from dynamic friction piece 2 and by being transferred to main shaft 1 from dynamic friction piece 2；
The power input of the reversing gear power that can will reverse gear is transferred to reverse gear power output from dynamic friction piece and by main shaft；
The power input of reversing gear is inputted power by transmission ratio I, and is outputted power to from dynamic friction piece, described
Bottom gear power input is inputted bottom gear power by transmission ratio II, and is outputted power to from dynamic friction piece, transmission ratio I
More than or equal to transmission ratio II；
As shown, speed changer further includes countershaft 12 when the present invention is applied to speed changer, the driving power also passes through row
Star wheel series input countershaft 12；
Second freewheel clutch is the component of bottom gear transmission mechanism, and the countershaft passes through the second freewheel clutch for low speed
Gear power is transferred to from dynamic friction piece；
Reverse gear power input is the component of reverse gear mechanism, and reverse gear mechanism is transferred to the power that can will reverse gear from dynamic friction piece
It 2 or disconnects the mode of power of reversing gear and is arranged；It is generally configured using engaging gear structure, reverse gear mechanism can be disconnected and rubbed with driven
The transmission for wiping part can also disconnect the transmission with countershaft 12, be able to achieve goal of the invention；
The transmission ratio I that there is the reverse gear mechanism power that will reverse gear main shaft 1 is transferred to from countershaft 12, the bottom gear transmission
Mechanism has the transmission ratio II that bottom gear power is transferred to main shaft 1 from countershaft 12, and transmission ratio I is more than or equal to transmission ratio II；Then
In reverse gear, the second overdrive clutch, 6 surmount, and inner ring 6a (rotation direction and reverse gear identical) revolving speed is slower than outer ring 6b (low speed
Keep off and reverse gear by countershaft input power), formation surmounts, and reverse gear mechanism is smoothly driven, and otherwise can lock.
The planetary gear train includes outer gear ring 31, planetary gear 30, planet carrier 32 and sun gear 29, and the outer gear ring is fixed
In cabinet 20.
Since bottom gear transmission mechanism is different with reverse gear mechanism transmission direction, axial cam is secondary preferably bidirectional defeated
Cam structure out.
In the present embodiment, second freewheel clutch 6 and reverse gear mechanism pass through the second axial cam pair 26 for power
It is transferred to from dynamic friction piece 2, as shown, since bottom gear transmission mechanism is different with reverse gear mechanism transmission direction, second
The cam structure of the secondary preferably bidirectional output of axial cam.
In the present embodiment, power is input to sun gear 30 and is exported by planet carrier 32 by the main shaft 1；Described second is axial
Cam pair 26 is cooperatively formed by the cam sleeve 16 with edge cam and from the edge cam that dynamic friction piece 2 has, described convex
Axle sleeve 16, which is rotatably assorted, to be covered on main shaft 1, described to be driven engagement sleeves in master by first axis cam pair 27 from dynamic friction piece 2
On axis 1；First freewheel clutch, the 4 inner ring 4a be rotatably assorted be coated at cam sleeve 22 and end extend to form extended segment with
The transmission cooperation of active friction part 18 drives the input component (drive sleeve 3) of power and 4 outer ring 4b of the first freewheel clutch transmission to cooperate
And output power be used to form reverse gear power or bottom gear power simultaneously, i.e. driving power is divided into two-way, i.e., is transferred to all the way
Outer ring 4b is to be transferred to active friction part, and another way, which passes, is used to form bottom gear power or the power that reverses gear, here
Or refer to reversing gear power and bottom gear power can switch mutually, rather than transmit power simultaneously；As shown, in use,
Drive sleeve 3, which matches to merge with 4 outer ring 4b of the first freewheel clutch transmission, is input to countershaft 12 for power simultaneously, and total setting makes
It is compact to obtain structure of the invention.
As shown, in use, drive sleeve 3 be used for the rotor of motor transmission cooperation (or integrated molding) and with the first surpass
More the outer ring of clutch is driven cooperation, and the inner ring 4a and active friction part 18 of first freewheel clutch 4 are sequentially connected；It is described
Driving power also inputs countershaft 12 by the first freewheel clutch outer ring, that is, driving power divides two-way to input, and inputs countershaft
Existing any mechanical transmission structure, such as gear, chain, even direct-connected transmission etc. can be used in 12 mode, and details are not described herein.
First freewheel clutch, the 4 inner ring 4a be rotatably assorted be coated at cam sleeve and end extend to form extended segment with
The transmission cooperation of active friction part 18, as shown, 4 inner ring 4a of the first freewheel clutch transmission cooperation is equipped with a middle transition set,
Middle transition set is coated at the extended segment by spline (having interference), forms positive drive for power and inputs active friction part
18；Power is simultaneously input to by the first freewheel clutch outer ring by driving power input 4 outer ring 4b of the first freewheel clutch simultaneously
Countershaft 12；
The sun gear 29 cooperates with 1 coaxial transmission of main shaft, is equipped with power output shaft with the planet carrier 32 transmission cooperation
34, the power output shaft 34 and main shaft 1 are coaxial；As shown, the power output shaft 34, which is integrally formed, is equipped with transmission wheel disc
36, the planet carrier 32 is fixedly connected in circumferencial direction with transmission wheel disc 36, and 36 axial depression of transmission wheel disc forms axle bed
(forming the axle bed coaxial with main shaft, be used for rotational support main shaft), 1 coaxial transmission of main shaft fits through the sun gear 29 and turns
Dynamic cooperation is supported in the axle bed, so that main shaft and power output shaft form the entirety supported mutually, has preferable globality
Transmission；As shown, power output shaft 34 passes through 35 rotational support of 7th bearing in mission case 22, main shaft passes through third axis
It holds to be rotatably assorted and is supported in mission case 22.
The present embodiment in use, the bottom gear transmission mechanism further include bottom gear driven gear and with bottom gear driven tooth
The bottom gear driving gear 7 of engagement is taken turns, the outer ring 6b transmission of second freewheel clutch 6 is equipped with or is directly formed low
Speed gear driven gear, the transmission of bottom gear driving gear 7 are equipped in countershaft 12；The reverse gear mechanism includes reversing gear actively
Gear 9 and the driven gear 8 that reverses gear engaged with the driving gear 9 that reverses gear, the driving gear 9 that reverses gear engageable (transmission) or separation
The mode of (rotation) is set to countershaft, the inner ring 6a and cam sleeve 16 of reverse gear driven gear 8 and second freewheel clutch 6
Transmission cooperates and is set in rotation with main shaft 1, the inner ring 6a of the second freewheel clutch 6 and cam sleeve 16 1 in the present embodiment
It is body formed；As shown, the driving gear 9 that reverses gear is rotatably assorted, (needle bearing) is set to countershaft 12, by that slidably and can pass
The dynamic engaging member being set on countershaft is formed in the engagement or isolated cooperation of countershaft, belongs to conventional connected structure, herein
It repeats no more；The transmission ratio I is greater than transmission ratio II, to guarantee the smoothness of transmission, avoids the occurrence of locked.
The present embodiment in use, it is described reverse gear driving gear 9 electromagnetism gearshift 10 it is engageable or separation by way of
It is set to countershaft 12, it is described to be used to switch power positive and negative rotation input simultaneously with electromagnetism gearshift, switch in electromagnetism gearshift
It changes into during reversing gear, signal is sent directly to electric machine control system, controls motor reversal, realization is reversed gear；Using general
Signal acquisition mechanism or switch can be realized.
The electromagnetism gearshift includes active swing arm 104, shift shaft 105, selector fork 106 and two electromagnetism shifts
Device (electromagnetism selector 101 and electromagnetism selector 102), described two electromagnetism selectors are for driving active swing arm around shift shaft
Axis oscillating and drive shift shaft to rotate around the shift axis, shift shaft drive selector fork is around the axis
It swings and completes to shift gears；As shown, electromagnetism selector 101,102 is set side by side, and is respectively used to drive in the present embodiment
The both ends of (or release) active swing arm, swing active swing arm 104 can around a center line, the shifting shaft coincides with this with axis
Center line is servo-actuated to be connected to the driving active swing arm of active swing arm 104 around the axis oscillating of shift shaft and drives shift shaft around institute
Axis rotation is stated, the shift shaft 105 drives selector fork 106 around the axis oscillating and to drive connector (synchronizer) 17
Shift is completed, connector (synchronizer) shift belongs to the prior art, and details are not described herein；Certainly, two electromagnetism selector (electromagnetism
Selector 101 and electromagnetism selector 102) it can be opposed structure, reciprocally swinging driving is carried out to active swing arm from two sides, equally
Goal of the invention can be achieved, details are not described herein；Electromagnetism selector is the structure with reciprocating push rod, and reciprocating push rod is released when energization
And return, return generally use return spring structure immediately after pushing active swing arm to swing, details are not described herein.
The electromagnetism gearshift is additionally provided with positioning mechanism 103, the positioning mechanism 103 include be set to active swing arm or
Person is set to the positioning pellet 103b with the positioning element 107 of the servo-actuated connection of active swing arm with pretightning force and is set to speed change
On the positioning pedestal 103c, the positioning pedestal 103c of device cabinet setting with can with positioning pellet 103b cooperate and position with reverse gear
Mechanism engages or separates corresponding location dimples；As shown, positioning pellet is set to the positioning element in the present embodiment
107, positioning element 107 is equipped with the location hole 103a of setting positioning pellet 103b, and positioning hole is provided with for positioning pellet
103b apply outward with the retaining spring 103d of the pretightning force of location dimples location fit；Positioning pellet is fixed during the swing
Position base-plates surface sliding positions pellet when sliding at location dimples and forms positioning into pit under pretightning force effect, when
So, pit is smooth structure, and pellet is positioned under certain thrust can remove pit, completes subsequent shift program；The electromagnetism
Gearshift be additionally provided with for detect gear shift whether position sensing component in place, sensory package generally uses Hall element
And magnet steel corresponding with Hall element.
In the present embodiment, the speed change elastic element be speed change disc spring 19, the speed change disc spring 19 be coated at main shaft 1 and
One end is resisted by plane bearing 28 from dynamic friction piece 2, and the plane bearing 28 is the plane rolling of radially double small ball
Bearing, the use that small ball refers to ball identical compared with bearing capacity in the prior art are small；Using double-row balls, held in plane bearing
Under conditions of carrying same load, the parameter of ball can be reduced, strong with stability of rotation, same load revolving speed height, bearing capacity
Feature, and axially mounted size can be reduced.
Outer ring transmission cooperation with first freewheel clutch is equipped with drive sleeve 3, in use, the drive sleeve 3 is used for
Input power is directly integrally formed when being driven cooperation with rotor or use with rotor, and axially extending formation axle journal is logical
It crosses the 6th rolling bearing 24 and is rotatably assorted and be supported in cabinet, it is the active friction part 18, equal from dynamic friction piece 2 and speed change disc spring 19
In cavity between drive sleeve and main shaft；Compact-sized, integration is stronger, facilitates the arrangement of electric vehicle；And pass through transmission
The support cooperation of set 3, so that speed changer overall structure rigidity is stronger.
In the present embodiment, the outer ring 4b transmission cooperation with first freewheel clutch 4 is equipped with intermediate driving gear 15, such as
Shown in figure, intermediate driving gear 15 forms the Step Shaft of necking down, and the outer ring 4b of the first freewheel clutch 4 is fixedly connected with a necking down
Step axle sleeve, step axle sleeve are coated at the Step Shaft and form the restriction ability for being driven and cooperating, and having radial, guarantee formation biography
It moves and there is certain support effect；The countershaft 12 is driven the centre being equipped with the intermediate transmission of driving gear 15 cooperation
Driven gear 14；
In the present embodiment, second freewheel clutch 6 and reverse gear mechanism pass through third axial cam pair 26 ' for power
The second axial cam pair 26 is transferred to be transferred to from dynamic friction piece 2, the third axial cam pair 26 ' is outer by being rotatably assorted
The edge cam and cam sleeve 16 for being placed on the second cam sleeve 25 of main shaft are backwards to the edge cam from one end of dynamic friction piece 2
It cooperatively forms；Backwards to the distal end compared with from dynamic friction piece 2 is referred to from one end of dynamic friction piece 2, such as the left end of figure；
It is driven cooperation with the 4 outer ring 4b of the first freewheel clutch and is rotatably assorted and be coated at cam sleeve or the second cam
Axle sleeve is equipped with intermediate driving gear 15, as shown, the intermediate driving gear 15 is set in rotation with by needle bearing 5
Second cam sleeve 25；The countershaft 12 is driven the intermediate driven gear being equipped with the intermediate transmission of driving gear 5 cooperation
14；
Outer end extends to form the axle sleeve that transmission cooperation is coated at main shaft 1 to second freewheel clutch, the 6 inner ring 6b in the axial direction,
The outside (left end in figure) to speed changer is outward referred to, axle sleeve, which is rotatably assorted, is supported in mission case, the other end (right end)
It is driven and cooperates with the second cam sleeve 25；
Outer ring 4b axial direction one end of first freewheel clutch 4 and the intermediate transmission of driving gear 5 cooperate, and the other end is fixed
It is connected to drive sleeve 3 (transmission), 1 power output end of main shaft, which is passed through and is rotatably assorted, is supported in mission case 20.
In the present embodiment, the sleeve outer circle of the inner ring 6b of second freewheel clutch 6 passes through 22 turns of the first rolling bearing
Dynamic cooperation is supported in mission case 20；Second cam sleeve 25 is rotatably assorted by the second rolling bearing 21 and is supported in speed changer
Cabinet 20, second rolling bearing 21 are located between reverse gear driven gear 8 and intermediate driving gear 5, the intermediate driving tooth
Take turns 5 axially extending formation axle journals, and the axle journal also passes through the 5th rolling bearing 11 and is rotatably assorted and is supported in cabinet 20, the centre
It is rotatably assorted between driving gear 5 and the second rolling bearing 21 by the first plane bearing 13 (plane rolling bearing)；The biography
3 inner circles of dynamic set are rotatably assorted by the 4th rolling bearing 23 and are supported in main shaft 1.
1 power output end of main shaft, which passes through and passes through third rolling bearing 33 and be rotatably assorted, is supported in mission case
20, power output shaft 34 is rotatably assorted by the 7th rolling bearing 35 and is supported in mission case and is respectively in planetary gear with main shaft
The two sides of system and coaxial arrangement, the drive sleeve are rotatably assorted by the 4th rolling bearing 23 and are supported in main shaft 1；As shown,
Each rolling bearing is supported on the ribs formed on cabinet or end cap, and details are not described herein；The ribs pair of formation
Cabinet itself also has booster action.
The corresponding rotation in power output input segment in the present embodiment above structure, on main shaft or/and cam sleeve
It is supported in mission case, in the structure, cam sleeve is coated at main shaft, the structure for forming transmission and supporting mutually, Neng Gouchuan
It passs biggish torque and will not occur bending and deformation, the scantling under same bearer ability condition can be greatly reduced；For each
A transmission carrying (power handover outputs and inputs segment) component, is respectively supported at mission case, so that main shaft and transmission
Axle sleeve longer can be arranged, and additional bending moment caused by torque is passed to cabinet as having support, so that from
Body transmits high torque, and the revolving speed (identical components size) being greatly improved under large torque, realizes large torque, high revolving speed
With lightweight index, the mutual support of transverse bearing and axle sleeve and main shaft, also make speed changer at high speeds and have compared with
Good stationarity and low noise, compared with the existing technology, maximum speed >=15000 for driving motor and high deceleration device
Rev/min, for efficient lightweight wheel hub Electric Motor Wheel iso-variable velocity, mechanism has great advantages energy conservation and environmental protection, be suitable in
It is the use of main syllabus target pure electric vehicle with energy conservation and environmental protection, certainly, the present invention is not only applicable to electric automobiles, and is suitable for
Other change torque machinery transmission fields.
In the present invention, the left and right of attached drawing is subject in documented left and right, and documented transmission connection includes the prior art
In all transmission connecting structure, including spline, flat key, bolt be fixedly connected etc., and details are not described herein.
Above embodiments are optimum structure of the invention, are not limiting the scope of the present invention；In connection side
The scheme adjusted in formula, the realization without influencing this hair goal of the invention.
The fast gear power transmission line of the present embodiment:
Power → active friction part 18 → from 2 → first axis of dynamic friction piece cam pair → 1 → planetary gear train of main shaft → moves
Power output shaft → output power；
The second freewheel clutch surmounts at this time, and resistance transfer route: planetary gear train → main shaft 1 → first axis cam pair
→ from dynamic friction piece 2 → speed change disc spring；Axial force and speed change dish is compressed to applying from dynamic friction piece 2 by first axis cam pair
Spring, when running resistance is increased to a timing, which overcomes speed change disc spring, makes active friction part 18 and divide from dynamic friction piece 2
From power is transmitted by following routes, i.e. bottom gear power transmission line:
Power → first freewheel clutch 4 outer ring 4b → 12 → bottom gear of countershaft driving gear → second freewheel clutch
The axial cam of inner ring 6a → second pair 26 ' of 6 freewheel clutch of outer ring 6b → second → convex from 2 → first axis of dynamic friction piece
Wheel set 26 → from 27 → main shaft of dynamic friction piece 2 → axial cam pair → planetary gear train → power output shaft → output power；.
Bottom gear power transmission line simultaneously also pass through following route: first axis cam pair 26 → from dynamic friction piece 2 →
Speed change disc spring is compressed, prevents occurring compression speed change disc spring reciprocating compression in bottom gear transmission process, so that bottom gear be prevented to be driven
When active friction part 18 and be bonded from dynamic friction piece 2.
Have above-mentioned transfer route can be seen that the present invention at runtime, active friction part 18 with from dynamic friction piece 8 in speed change
It is fitted closely under disc spring effect, forms the automatic transmission of a holding certain pressure, and can be by increasing variable-speed shaft
The axial width of set adjusts pressure needed for clutch engagement, reaches transmission purpose, at this point, power drive active friction part 18,
From dynamic friction piece 2, main shaft 1, main shaft 1 is made to pass through planetary gear train output power；The second freewheel clutch, which is in, at this time surmounts state.
Resistance is greater than driving force when motor vehicle starting, and resistance forces cam sleeve to turn an angle round about,
Under the action of first axis cam pair, speed change disc spring is compressed from dynamic friction piece 2；It is separated from dynamic friction piece 2 and active friction part 18,
Synchronous, the engagement of the second freewheel clutch, output power is with the rotation of bottom gear speed；Therefore, bottom gear starting, contracting are realized automatically
The short starting time, reduce starting power.At the same time, speed change disc spring absorbs resistance of motion square energy, to restore fast gear gear
It transmits power and stores standby potential energy.
After starting successfully, running resistance is reduced, when pressure caused by component is reduced to less than speed change disc spring, because being transported
Dynamic resistance is compressed and generates speed change disc spring pressure and discharge rapidly under promotion, completes to restore from dynamic friction piece 2 and active friction part 18
State is fitted closely, bottom gear freewheel clutch, which is in, surmounts state.
In driving process, as the variation self shifter principle of the resistance of motion is same as above, in the feelings for not needing cutting driving force
Variable block is realized under condition, keeps entire locomotive operation steady, safe and low consumption, and also transfer route is simplified, and transmission efficiency is improved.
Reverse gear route:
Power → first freewheel clutch 4 outer ring 4b → countershaft 12 → driving gear that reverses gear → driven gear → the of reversing gear
Two axial cam pair 26 ' → first axis cam pairs 26 → from dynamic friction piece 2 → axial cam pair 27 → main shaft, 1 → planetary gear train
→ power output shaft 34 exports the power that reverses gear.
At this point, due to the transmission ratio that reverses gear be greater than bottom gear transmission ratio and be it is reversed, then the second freewheel clutch surmounts, by
It is faster than inner ring in rotating reversed and outer ring revolving speed, the first freewheel clutch surmounts, and realizes reverse gear；Certainly, bottom gear is driven
It is decreasing transmission with reverse gear, details are not described herein.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output, it is characterised in that: including
Speed change system on main shaft, planetary gear train and main shaft, the speed change system include bottom gear power input, the input of reverse gear power
Part and adaptive rate component；
Adaptive rate component includes from dynamic friction piece, active friction part and speed change elastic element；
Active friction part and frictional drive pair is formed in such a way that rubbing surface is mutually matched from dynamic friction piece, speed change elastic element is applied
Add make to be bonded from dynamic friction piece with active friction part transmission pretightning force, it is described from dynamic friction piece by first axis cam pair with
Spindle drive cooperation when the first axis cam adjutant power is exported by main shaft, applies and speed change bullet to from dynamic friction piece
The property opposite axial thrust load of element pretightning force；It is described to which power to be input to that driving power is input to one first freewheel clutch
Active friction part；The main shaft is outputed power by planetary gear train；
The bottom gear power input is the second freewheel clutch that main shaft is equipped with, and second freewheel clutch is used for will
Bottom gear power is transferred to from dynamic friction piece and by being transferred to main shaft from dynamic friction piece；
The power input of the reversing gear power that can will reverse gear is transferred to reverse gear power output from dynamic friction piece and by main shaft；
The power input of reversing gear is inputted power by transmission ratio I, and is outputted power to from dynamic friction piece, the low speed
Gear power input is inputted bottom gear power by transmission ratio II, and is outputted power to from dynamic friction piece, and transmission ratio I is greater than
Equal to transmission ratio II；
The planetary gear train includes outer gear ring, planetary gear, planet carrier and sun gear, in use, the outer gear ring is fixed on change
Fast device cabinet.
2. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 1,
It is characterized by: second freewheel clutch and reverse gear mechanism, which pass through second axial cam adjutant's power, is transferred to driven rub
Wipe part.
3. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 2,
It is characterized by: power is input to sun gear input and is exported by planet carrier by the main shaft；The second axial cam pair by
Cam sleeve with edge cam and the edge cam having from dynamic friction piece cooperatively form, and the cam sleeve is rotatably assorted
It covers on main shaft, it is described to pass through first axis cam auxiliary driving engagement sleeves on main shaft from dynamic friction piece；
The first freewheel clutch inner ring, which is rotatably assorted to be coated at cam sleeve and be driven with active friction part, to be cooperated；Driving is dynamic
Power input the first freewheel clutch outer ring and by the first freewheel clutch outer ring by power simultaneously export formation reverse gear power or
Bottom gear power；
The sun gear and main shaft coaxial transmission cooperate, and are equipped with power output shaft, the power with planet carrier transmission cooperation
Output shaft is coaxial with main shaft.
4. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 3,
It is characterized by: the outer ring transmission of second freewheel clutch is equipped with or directly forms bottom gear driven gear and is used for
Receive bottom gear power；The power input of reversing gear is the driven tooth of reversing gear of power of reversing gear for engageable or separation input
Inner ring and the cam sleeve transmission of wheel, reverse gear driven gear and second freewheel clutch cooperate and are set in rotation with master
Axis；The transmission ratio I is greater than transmission ratio II.
5. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 4,
Cam sleeve or the second cam are coated at it is characterized by: being driven cooperation with first freewheel clutch outer ring and being rotatably assorted
Axle sleeve is equipped with the intermediate driving gear for exporting bottom gear power or reverse gear power.
6. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 5,
It is characterized by: the speed change elastic element is speed change disc spring, the speed change disc spring is coated at main shaft and one end passes through plane
Bearing is resisted from dynamic friction piece, and the plane bearing is the plane rolling bearing of radially double small ball.
7. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 6,
It is characterized by: the outer ring transmission cooperation with first freewheel clutch is equipped with drive sleeve, the drive sleeve is used for and motor
Rotor transmission cooperation input power, and axially extending formation axle journal is rotatably assorted and is supported in cabinet, the active friction part, driven
Friction member and speed change disc spring are respectively positioned in the cavity between drive sleeve and main shaft.
8. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 3,
It is characterized by: the inner ring and reverse gear part of second freewheel clutch pass through the transmitting of third axial cam adjutant's power
To the second axial cam pair to be transferred to from dynamic friction piece, the third axial cam pair is coated at main shaft by being rotatably assorted
The edge cam of second cam sleeve is cooperatively formed from the edge cam of one end of dynamic friction piece backwards with cam sleeve.
9. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 2,
It is characterized by: outer end extends to form the axle sleeve that transmission cooperation is coated at main shaft to the second freewheel clutch inner ring in the axial direction,
In use, axle sleeve, which is rotatably assorted, is supported in mission case, the other end and the transmission of the second cam sleeve cooperate；
Outer ring axial direction one end of first freewheel clutch and intermediate driving gear transmission cooperate, and the other end is fixedly connected on biography
Dynamic set, in use, the main shaft power output end is passed through and is rotatably assorted and is supported in mission case.
10. the mechanical double overdrive clutch self-adapting automatic gear shift main shaft assembly of planetary system output according to claim 2,
It is characterized by: in use, the sleeve outer circle of first freewheel clutch is rotatably assorted support by the first rolling bearing
In mission case；Second cam sleeve is rotatably assorted by the second rolling bearing and is supported in mission case, second rolling
Dynamic bearing is located between reverse gear driven gear and intermediate driving gear, and the intermediate driving gear axially extends to form axle journal, and
The axle journal, which also passes through the 5th rolling bearing and is rotatably assorted, is supported in cabinet, between the intermediate driving gear and the second rolling bearing
It is rotatably assorted by the first plane bearing；The drive sleeve inner circle is rotatably assorted by the 4th rolling bearing is supported in main shaft；Institute
It states power output shaft to be integrally formed equipped with transmission wheel disc, the planet carrier is fixedly connected in circumferencial direction with transmission wheel disc, described
Driving wheel dish axle forms axle bed to recess, and main shaft coaxial transmission, which fits through the sun gear and is rotatably assorted, is supported in the axis
Seat.
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| CN201910314879.XA CN110017370B (en) | 2019-04-18 | 2019-04-18 | Mechanical double-overrunning clutch self-adaptive automatic speed change main shaft assembly for planetary system output |
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| CN201910314879.XA CN110017370B (en) | 2019-04-18 | 2019-04-18 | Mechanical double-overrunning clutch self-adaptive automatic speed change main shaft assembly for planetary system output |
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| CN112628372A (en) * | 2020-12-16 | 2021-04-09 | 西南大学 | Longitudinal driving self-adaptive taper clutch automatic speed changing system of electric automobile |
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