CN109990069A - Double overdrive clutch axle sleeves export taper sleeve type self-adapting automatic gear shift main shaft assembly - Google Patents
Double overdrive clutch axle sleeves export taper sleeve type self-adapting automatic gear shift main shaft assembly Download PDFInfo
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- CN109990069A CN109990069A CN201910304833.XA CN201910304833A CN109990069A CN 109990069 A CN109990069 A CN 109990069A CN 201910304833 A CN201910304833 A CN 201910304833A CN 109990069 A CN109990069 A CN 109990069A
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Classifications
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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
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a kind of double overdrive clutch axle sleeves to export taper sleeve type self-adapting automatic gear shift main shaft assembly, including the speed change system and power output axle sleeve on main shaft, main shaft, speed change system includes bottom gear power input, reverse gear power input and adaptive rate component；Power input of reversing gear has transmission ratio I, and the bottom gear power input has transmission ratio II, and transmission ratio I is more than or equal to transmission ratio II；The present invention utilizes the reasonable cooperation of two freewheel clutches, transmission ratio is rationally arranged in the structure that will reverse gear and low speed retaining device, so that overall structure is simple and compact, and does not interfere, overall performance of the invention ensure that, guarantee the stability of transmission, output position can be selected using axle sleeve output power as needed using axle sleeve output power, electric automobiles are not only applicable to, and are suitable for other change torque machinery transmission fields；Meanwhile axle sleeve output is also ensured with biggish output torque.
Description
Technical field
The present invention relates to a kind of vehicle transmission, in particular to a kind of double overdrive clutch axle sleeve output taper sleeve types are adaptive
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 double overdrive clutch axle sleeves to export taper sleeve type self-adapting automatic gear shift
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.
Double overdrive clutch axle sleeves of the invention export taper sleeve type self-adapting automatic gear shift main shaft assembly, including main shaft, main shaft
On speed change system and be rotatably assorted and be coated at the power output axle sleeve of main shaft, the speed change system includes the input of bottom gear power
Part, reverse gear power input and adaptive rate component；
Adaptive rate component includes active friction part, from dynamic friction piece and speed change elastic element；
The active friction part and frictional drive pair is formed in such a way that rubbing surface is mutually matched from dynamic friction piece；
Described to be set to main shaft in a manner of the circumferencial direction transmission that slide axially from dynamic friction piece, speed change elastic element is applied
Add the pretightning force for making to be bonded transmission with active friction part from dynamic friction piece, it is described to pass through axial cam adjutant power from dynamic friction piece
Output is to power output axle sleeve, when the axial cam adjutant power output, applies and speed change bullet to torus axial direction external conical sleeve
The property opposite axial thrust load of element pretightning force；Power is input to the active by one first freewheel clutch and rubbed by driving power
Wipe part；
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 is transferred to main shaft and is transferred to by main shaft from dynamic friction piece；
The power input of reversing gear is arranged the power that can will reverse gear on main shaft and is transferred to main shaft and is transferred to biography by main shaft
It is handed to from dynamic friction piece；
The power input of reversing gear is inputted reverse gear power by transmission ratio I, and by reverse gear power output to main shaft, institute
It states bottom gear power input and is inputted bottom gear power by transmission ratio II, and by bottom gear power output to main shaft, be driven
It is more than or equal to transmission ratio II than I.
Further, the axial cam pair is convex by the cam sleeve with edge cam and the end face having from dynamic friction piece
Wheel cooperatively forms, and the cam sleeve, which is rotatably assorted, is coated at main shaft, and the power output axle sleeve and cam sleeve transmission cooperate
Or it is integrally formed and is equipped with the power output member to output power.
Further, the inner ring transmission of second freewheel clutch is equipped in main shaft, outer ring transmission be equipped with or
Person directly forms the bottom gear driven gear for inputting bottom gear power；The power input of reversing gear is driven tooth of reversing gear
Wheel；The transmission ratio I is greater than transmission ratio II.
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 other end resists pretightning force and adjusts component, and the plane bearing is radially double small rolling
The plane rolling bearing of pearl.
Further, cooperated between the cam sleeve and power output axle sleeve by the second axial cam auxiliary driving.
Further, it includes adjusting ring and adjusting nut that the pretightning force, which adjusts component, and the adjusting nut, which is threadedly engaged, to be set
It is placed in main shaft, adjusts that ring is axially slidable to be coated at main shaft and both ends are respectively held against adjusting nut and speed change disc spring, the tune
Section nut is additionally provided with the locking assembly of its axial locking.
Further, it is driven cooperation with first freewheel clutch outer ring and is rotatably assorted and is coated at cam sleeve or power
Output sleeve is equipped with intermediate driving gear, and the intermediate driving gear is used for output power, and formation is reversed gear or bottom gear power.
Further, the power output member is the power output gear integrally formed with power output axle sleeve, the power
Output sleeve outer circle is equipped with close to power output gear for the first transverse bearing for being supported in mission case that is rotatably assorted；Institute
It states intermediate driving gear first end and the transmission of the first freewheel clutch outer ring cooperates, second end is formed outside left axle neck and the left axle neck
Circle is equipped with for the second transverse bearing for being supported in mission case that is rotatably assorted；The second freewheel clutch inner ring respectively to
Left and right to extend to form outer extension shaft section and interior extension shaft section, outer extension shaft section outer circle and interior extension shaft section outer circle are respectively corresponded and are set
There are the third transverse bearing and the 4th transverse bearing for rotational support in mission case；The driven gear transmission of reversing gear is matched
Close be coated at the second freewheel clutch inner ring to inner end extend extend shaft part outer circle, and the 4th transverse bearing be located at reverse gear
On the right side of driven gear；The main shaft outer circle is equipped with for the 5th radial axle for being supported in driving motor rotor inner circle that is rotatably assorted
It holds.
Further, it is forwarded between the first freewheel clutch inner ring by the first plane axis on the right side of the intermediate driving gear
Dynamic cooperation, second transverse bearing are set to the axle journal formed on the left of intermediate driving gear, with the on the left of intermediate driving gear
It is rotatably assorted between one transverse bearing by the second plane bearing；Power output gear left side and the second freewheel clutch inner ring
Third plane bearing is arranged in interior extension shaft section.
Further, the driving power is surmounted by a driving transition sleeve input, the driving transition sleeve transmission connection first
The outer ring of clutch, the inner ring and active friction part of first freewheel clutch are sequentially connected；With first overdrive clutch
Device outer ring is fixedly connected with a drive sleeve, and the drive sleeve tight fit is coated at the right axle neck of intermediate driving gear first end formation simultaneously
Form transmission cooperation.
The beneficial effects of the present invention are: double overdrive clutch axle sleeves of the invention export taper sleeve type self-adapting automatic gear shift main shaft
Assembly, all advantages with existing cam self-adapting automatic gear shifting device, as can detecting driving torque-according to running resistance
Revolving speed and running resistance-speed signal make output power of motor and traveling state of vehicle be in best match state always,
It realizes that vehicle traction torque and the balance of comprehensive running resistance control, is adaptively hindered with traveling in the case where not cutting off driving force
Power variation is automatic to carry out shift speed change；It can satisfy and used under mountain area, hills and heavy load conditions, keep motor load change flat
Slow, 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；Using axle sleeve output power, can select to export as needed
Position is not only applicable to electric automobiles, and is suitable for other change torque machinery transmission fields；Meanwhile axle sleeve output can also
Guarantee that there is biggish output torque.
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；
Fig. 3 is electromagnetism gear shifting structure cross-sectional view；
Fig. 4 is that the present invention uses clutch-plate structural schematic diagram；
Fig. 5 is clutch-plate schematic enlarged-scale view.
Specific embodiment
Fig. 1 is axial section structural schematic diagram of the invention, and Fig. 2 is electromagnetism gear shifting structure schematic diagram, and Fig. 3 is electromagnetism shift
Structure sectional view, as shown in the figure: double overdrive clutch axle sleeves of the invention export taper sleeve type self-adapting automatic gear shift main shaft assembly, packet
It includes main shaft 1, the speed change system on main shaft 1 and is rotatably assorted and be coated at the power output axle sleeve of main shaft, the speed change system includes
Bottom gear power input, reverse gear power input and adaptive rate component, in use, bottom gear power input belongs to change
The bottom gear transmission mechanism of fast device, reverse gear power input belong to reverse gear transmission；
Adaptive rate component includes active friction part, from dynamic friction piece and speed change elastic element；The active friction part
Frictional drive pair is formed in such a way that rubbing surface is mutually matched with from dynamic friction piece；
In the present embodiment, active friction part is torus axial direction inner conical drogue 18, is torus axial direction outer cone from dynamic friction piece
Set 2；
Torus axial direction inner conical drogue 18 and torus axial direction external conical sleeve 2 form friction in such a way that rubbing surface is mutually matched and pass
Dynamic pair, the torus axial direction external conical sleeve is set to main shaft in a manner of the circumferencial direction transmission that can slide axially, as shown, circle
Ring body axial direction inner conical drogue 18 and torus axial direction external conical sleeve 2 respectively torus axial direction inner conical drogue and torus axial direction external conical sleeve,
Torus axial direction inner conical drogue is equipped with axial inner conical surface and is coated at torus axial direction external conical sleeve, torus axial direction external conical sleeve be equipped with
The axial male cone (strobilus masculinus) that the axial inner conical surface of torus axial direction inner conical drogue matches is formed by the mutually matched conical surface and is frictionally engaged
Transmission or separation, details are not described herein；Torus axial direction external conical sleeve is coated at main shaft and is equipped with axial slide with main shaft, sliding
Slot is embedded with the ball for reducing frictional force, and being formed between torus axial direction external conical sleeve and main shaft by sliding slot and ball axially can
The circumferencial direction of sliding is driven cooperation；Sliding slot is also possible to helicla flute (forming axial cam slot), can also be formed after being embedded in ball
Axial cam pair also has the compression when large torque transmits power to speed change elastic element 19, guarantees the steady of transmission；When
So, spline or screw thread pair cooperation (not having to ball) can also be directly formed, purpose is also able to achieve；
Certainly, frictional drive pair can also use friction plate structure as shown in Figure 4, Figure 5, as shown in figure 4, active friction
Part 18 ' and the first freewheel clutch inner ring are integrally formed or transmission cooperates, and active friction part 18 ' is equipped with active friction plate group
18a ' is equipped with the driven friction disk group 2a ' that matches with active friction plate 18a ' from dynamic friction piece 2 ', fit structure with it is existing
Friction plate clutch it is similar, but the detachable setting of this structural friction piece can need to dismount and increases according to overall structure
Or reduce, to guarantee axial dimension；
Speed change elastic element 19 applies the preload for making torus axial direction external conical sleeve be bonded transmission with torus axial direction inner conical drogue
Power, the torus axial direction external conical sleeve output power to power output axle sleeve 30, the axial cam by axial cam pair
When adjutant's power output, apply the axial thrust load opposite with speed change elastic element pretightning force to torus axial direction external conical sleeve；It is axial
Cam pair is mutually matched axial cam (including edge cam or spiral cam), the rotation of torus axial direction external conical sleeve
When, two component of the by-produced axial direction of axial cam and circumferencial direction, wherein circumferencial direction component output power, axial thrust load act on
In torus axial direction external conical sleeve and it is applied to speed change elastic element, that is to say, that the rotation direction and power output of axial cam pair turn
Dynamic direction is related, and those skilled in the art according to the above records, under the premise of learning power output direction, can learn axial direction
Which kind of rotation direction of cam pair can apply the axial thrust load in which kind of direction, and details are not described herein；Driving power surmounts by one first
Power is input to the torus axial direction inner conical drogue by clutch 4, can be realized by reasonable mechanical layout, no longer superfluous herein
It states.
When the present invention is applied to speed changer, as shown, speed changer further includes countershaft 12, the driving power is also defeated simultaneously
Enter countershaft 12；
The bottom gear power input is the second freewheel clutch 6, and the second freewheel clutch 6 is arranged on main shaft, makes
Bottom gear power is transferred to main shaft 1 by the second freewheel clutch 6 and is transferred to by main shaft by used time, the countershaft 12
Torus axial direction external conical sleeve, main shaft 1 and the transmission of torus axial direction external conical sleeve cooperate；Certainly, bottom gear power may include multiple low
Speed gear, details are not described herein；
The power input of reversing gear is arranged the power that can will reverse gear on main shaft 1 and is transferred to main shaft 1 and is transferred to by main shaft 1
Be transferred to torus axial direction external conical sleeve, as shown, the reverse gear mechanism on countershaft it is engageable or disconnect reverse gear it is dynamic
Power；It is generally configured, the transmission of reverse gear mechanism and main shaft can be disconnected or disconnected and countershaft using engaging gear structure
12 transmission, is able to achieve goal of the invention；
The power input of reversing gear is inputted reverse gear power by transmission ratio I, and by reverse gear power output to main shaft, institute
It states bottom gear power input and is inputted bottom gear power by transmission ratio II, and by bottom gear power output to main shaft, be driven
It is more than or equal to transmission ratio II than I；As shown, in use, there is the power that will reverse gear to lead to from countershaft 12 for the reverse gear mechanism
Cross the transmission ratio I that power input of reversing gear is transferred to main shaft 1, the bottom gear transmission mechanism has bottom gear power from countershaft
12 are transferred to the transmission ratio II of main shaft 1 by bottom gear power input, and transmission ratio I is more than or equal to transmission ratio II；Then reversing gear
When transmission, the second freewheel clutch, which surmounts inner ring (rotation direction and reverse gear identical) revolving speed and is slower than outer ring, (bottom gear and to reverse gear
By countershaft input power), formation surmounts, and reverse gear mechanism is smoothly driven, and otherwise can lock.
Since bottom gear transmission mechanism and reverse gear mechanism driving direction are different, axial cam pair is preferably double
To the cam structure of output.
In the present embodiment, in the use of the present invention, the driving power is inputted by a driving transition sleeve 3, it is described to drive
The outer ring 4b of 3 the first freewheel clutch 4 of transmission connection of set is crossed, the inner ring 4a and torus of first freewheel clutch 4 are axial
Inner conical drogue transmission connection；As shown, power is also passed through the first freewheel clutch by the driving transition sleeve when application present invention
Outer ring inputs countershaft.
In the present embodiment, the axial cam pair is by cam sleeve 22 and torus axial direction external conical sleeve with edge cam
2 edge cams having cooperatively form, and the cam sleeve 22, which is rotatably assorted, is coated at main shaft, the torus axial direction external conical sleeve
2 transmission cooperations and it is axially slidable be coated at main shaft 1, the power output axle sleeve 30 and the transmission of cam sleeve 22 cooperation or
It is integrally formed and is equipped with the power output member 11 to output power；As shown, the inner ring 4a of first freewheel clutch 4 turns
Dynamic cooperation is coated at cam sleeve 22, and the transmission cooperation of cam sleeve 22 is equipped with the power output member 11 to output power, this implementation
The power output member 11 of example power output is power output gear, in use, may be output to differential mechanism etc..
As shown, the bottom gear transmission mechanism further includes bottom gear driven gear when the present invention is applied to speed changer
Inner ring 6a transmission cooperation with the bottom gear driving gear 7 engaged with bottom gear driven gear, second freewheel clutch 6 is set
It is placed in main shaft 1,6b transmission in outer ring is equipped with or is directly formed bottom gear driven gear, and the present embodiment is not formed directly；Institute
It states transmission on countershaft 12 and is equipped with bottom gear driving gear 7；The reverse gear mechanism include reverse gear driving gear 9 and with fall
The driven gear 8 that reverses gear that driving gear 9 engages is kept off, the engageable or isolated mode of the driving gear that reverses gear is set to countershaft,
The driven gear that reverses gear transmission is equipped in main shaft；The transmission ratio I is greater than transmission ratio II.
In the use of the present invention, the switching between bottom gear can be completed by electromagnetism gearshift and reversed gear, as shown,
The driving gear 9 that reverses gear is set to countershaft 12 in such a way that electromagnetism gearshift 10 is engageable or separates, and the electromagnetism changes
Retaining device is used to switch power source positive and negative rotation simultaneously, and during electromagnetism gearshift is changed into and reversed gear, signal is directly sent out
It send to electric machine control system, controls motor reversal, realization is reversed gear；It can be real using general signal acquisition mechanism or switch
It is existing.
In the present embodiment, the electromagnetism gearshift includes that electromagnetism selector, active swing arm, shift shaft and shift are dialled
Fork, the electromagnetism selector are two and are respectively in active swing arm two sides for driving active swing arm around the axis oscillating of shift shaft
And shift shaft is driven to rotate around the axis, the shift shaft drives selector fork around the axis oscillating and to drive engagement
Device (synchronizer) completes shift, and connector (synchronizer) shift belongs to the prior art, and details are not described herein；Electromagnetism selector is tool
There is a structure of reciprocating push rod, return, return generally use immediately after reciprocating push rod is released and active swing arm is pushed to swing when energization
Return spring structure, details are not described herein；The electromagnetism gearshift is additionally provided with positioning mechanism, and the positioning mechanism includes setting
In positioning pellet of the active swing arm power end with pretightning force and it is set to the positioning pedestal of cabinet, active swing arm power end refers to
Be electromagnetism selector effect make its swing one end；As shown, active swing arm power end is equipped with a pellet seat, in pellet seat
One column spring is installed, column spring acts on positioning pellet and makes it have outside pretightning force；It is arranged in the positioning pedestal
With the location dimples of positioning pellet corresponding matching, pellet is positioned during the swing and is slided on positioning pedestal surface, when sliding into
Pellet is positioned when at location dimples and enters pit formation positioning under pretightning force effect, and certainly, pit is smooth structure, certain
Thrust under positioning pellet can remove pit, complete subsequent shift program；The electromagnetism gearshift is additionally provided with for detecting shelves
Position shift whether position sensing component in place, sensory package generally uses Hall element and magnetic corresponding with Hall element
Steel.
In the present embodiment, the speed change elastic element 19 is speed change disc spring, and the speed change disc spring is coated at main shaft and one
End resists torus axial direction external conical sleeve, and the other end resists pretightning force and adjusts component, as shown in figure 4,19 housing of speed change disc spring
In main shaft 1 and one end by plane bearing 28 resists torus axial direction external conical sleeve 2, and the plane bearing 28 is radially double
The plane rolling bearing of small ball, the use that small ball refers to ball identical compared with bearing capacity in the prior art are small；Using double
Ball can reduce the parameter of ball under conditions of plane bearing carries same load, and there is stability of rotation, same load to turn
Fast feature high, bearing capacity is strong, and axially mounted size can be reduced；It includes adjusting 20 He of ring that the pretightning force, which adjusts component,
Adjusting nut 17, the adjusting nut 17, which is threadedly engaged, is set to main shaft 1, adjusts that ring 20 is axially slidable is coated at main shaft 1
And both ends are respectively held against adjusting nut 17 and speed change disc spring, the adjusting nut is additionally provided with the locking assembly of its axial locking
21。
In the present embodiment, matched between the cam sleeve 22 and power output axle sleeve 30 by the second axial cam auxiliary driving
It closes, as shown, the cam sleeve 22 outputs power to power by the power output axle sleeve 30 being rotatably assorted in main shaft
Output 11, the cam sleeve 22 are cooperated with power output axle sleeve 30 by the second axial cam auxiliary driving, and double cam is formed
Drive mechanism is conducive to steady transmission and is conducive to locking speed change disc spring in bottom gear transmission, avoids that pause and transition in rhythm or melody occurs；
It is driven cooperation with first freewheel clutch outer ring and is rotatably assorted and be coated at power output shaft and be arranged with centre
Driving gear, a drive sleeve 5 is fixedly connected with first freewheel clutch outer ring, and 5 tight fit of drive sleeve is (general to use
Interference or transition fit) it is coated at the right axle neck of intermediate driving gear first end formation and forms transmission cooperation, as shown,
5 one end of drive sleeve (right side) is fixedly connected on freewheel clutch outer ring, and the other end (left side) passes through internal spline and intermediate driving tooth
The external splines for taking turns the right axle neck that first end is formed forms transmission cooperation, while being also supported in the axle journal outer circle, forms mutual branch
Support, guarantees the stability of drive mechanism；The transmission of countershaft 12 is equipped with to be driven in cooperation with intermediate driving gear 15
Between driven gear 14.
In the present embodiment, the power output member 11 is the power output gear integrally formed with power output axle sleeve 30
(or formed after axle journal and be driven cooperation with power output axle sleeve 30), 30 outer circle of power output axle sleeve is close to power output tooth
Wheel is equipped with for the first transverse bearing 23 for being supported in mission case that is rotatably assorted；15 first end of intermediate driving gear with
First freewheel clutch, 4 outer ring 4b transmission cooperation, second end forms left axle neck and the left axle neck outer circle is equipped with for being rotatably assorted
It is supported in the second transverse bearing 13 of mission case；Second freewheel clutch, the 6 inner ring 6a is extended to form to left and right respectively
Outer extension shaft section and interior extension shaft section, outer extension shaft section outer circle and interior extension shaft section outer circle, which respectively correspond, to be equipped with for rotational support
In the third transverse bearing 29 and the 4th transverse bearing 24 of mission case；The transmission cooperation of driven gear 8 of reversing gear is coated at
The shaft part outer circle that second freewheel clutch, 6 inner ring 6a extends to inner end, and the 4th transverse bearing is driven positioned at reversing gear
On the right side of gear；The main shaft outer circle is equipped with for the 5th transverse bearing 25 for being supported in driving motor rotor inner circle that is rotatably assorted,
As shown, the inner ring of the 5th transverse bearing 25 passes through 20 sets of the adjusting ring in main shaft, outer ring is supported in rotor inner circle；
In the structure, cam sleeve and power output axle sleeve are coated at main shaft, the structure for forming transmission and supporting mutually, can transmit compared with
It big torque and will not occur bending and deformation, the scantling under same bearer ability condition can be greatly reduced；For each biography
Dynamic carrying (power handover is output and input) component, is respectively set corresponding transverse bearing, and transverse bearing is supported in cabinet,
Enable the main shaft and axle sleeve of transmission is longer is arranged, and passes additional bending moment caused by torque as having support
Cabinet is passed, so that itself transmitting high torque, and the revolving speed (identical components size) being greatly improved under large torque, it realizes
Large torque, high revolving speed and lightweight index, compared with the existing technology, for driving motor and the maximum speed of high deceleration device
>=15000 revs/min, for efficient lightweight wheel hub Electric Motor Wheel iso-variable velocity, mechanism has great advantages energy conservation and environmental protection, more
It adapts to use in energy conservation and environmental protection for main syllabus target pure electric vehicle.
In the present embodiment, pass through first between intermediate 15 right side of driving gear and 4 inner ring 4a of the first freewheel clutch
Plane bearing 16 is rotatably assorted, and second transverse bearing 13 is set to the axle journal formed on the left of intermediate driving gear 15, intermediate
It is rotatably assorted between 15 left side of driving gear and the first transverse bearing 23 by the second plane bearing 26；On the left of power output gear
Third plane bearing 27 is set with the interior extension shaft section of 6 inner ring 6a of the second freewheel clutch；In the structure, according to the input of power
The plane bearing of relative rotation is set between each segmentation on the basis of output node segment bearing setting transverse bearing, so that
Noiseless linking between each segmentation, entire main shaft and axle sleeve are transferred directly to case in overall length input and output torque additional moment
Body, bearing capacity with super strength, provides the guarantee in structure for the lightweight of speed changer and high speed radially.
Above-mentioned left and right orientation refer to it is corresponding with attached drawing, it is unrelated with real use state, when comparison need to by it is in kind with
It is consistent that attached drawing puts orientation.
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.
Fast gear power transmission line when the present embodiment uses:
Power → torus axial direction inner conical drogue 18 → torus, 2 → axial cam of axial direction external conical sleeve pair → cam sleeve 22
(the second axial cam auxiliary cam pair and the second circumferential cam sleeve) → 11 output power of transmission shaft power output member；
The second freewheel clutch surmounts at this time, and resistance transfer route: 11 → cam sleeve of power output member 22 → axial direction
Cam pair → torus axial direction external conical sleeve 2 → speed change disc spring；Power output member 11 is outside to torus axis by axial cam pair
Tapered sleeve 2 applies axial force and compresses speed change disc spring, and when running resistance is increased to a timing, which overcomes speed change disc spring, make
Torus axial direction inner conical drogue 18 and torus axial direction external conical sleeve 2 separate, and power is transmitted by following routes, i.e., bottom gear power passes
Pass route:
Power → torus axial direction inner conical drogue 18 → countershaft, 12 → bottom gear driving gear → second freewheel clutch is outer
Enclose inner ring 6a → main shaft 1 → torus, 2 → axial cam of axial direction external conical sleeve pair → cam sleeve of the freewheel clutch of 6b → second
22 → transmission shaft power output member, 11 output power.
Bottom gear power transmission line is simultaneously also by following route: axial cam pair → torus axial direction external conical sleeve 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 torus axial direction inner conical drogue 18 and torus axial direction external conical sleeve 2 be bonded.
There is above-mentioned transfer route to can be seen that the present invention at runtime, torus axial direction inner conical drogue 18 and torus are axial
External conical sleeve 8 fits closely under the effect of speed change disc spring, forms the automatic transmission of a holding certain pressure, and can lead to
The axial width of increase speed change axle sleeve is crossed to adjust pressure needed for clutch engagement, reaches transmission purpose, at this point, power drives circle
Ring body axial direction inner conical drogue 18, torus axial direction external conical sleeve 2, cam sleeve 22, make 22 output power of cam sleeve；The second surpass at this time
More clutch, which is in, 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 axial cam pair, torus axial direction external conical sleeve 2 compresses speed change disc spring；Torus axial direction external conical sleeve 2 and torus axis
It is separated to inner conical drogue 18, synchronous, the engagement of the second freewheel clutch, output power is with the rotation of bottom gear speed；Therefore, automatic to realize
Bottom gear starting, shortens the starting time, reduces starting power.At the same time, speed change disc spring absorbs resistance of motion square energy,
The standby potential energy of power storage is transmitted to restore fast gear gear.
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 torus axial direction external conical sleeve 2 and torus is axial
The recovery of inner conical drogue 18 fits closely state, and 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 → 18 → countershaft of torus axial direction inner conical drogue 12 → driving gear that the reverses gear → driven gear → main shaft 1 that reverses gear →
Torus 2 → axial cam of axial direction external conical sleeve pair → 22 → transmission shaft of cam sleeve power output member 11 exports the power that reverses gear.
At this point, since the transmission ratio to reverse gear is greater than bottom gear transmission ratio, then the second freewheel clutch surmounts, and due to rotation
Reversely, the first freewheel clutch surmounts, and realizes reverse gear.
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 double overdrive clutch axle sleeves export taper sleeve type self-adapting automatic gear shift main shaft assembly, it is characterised in that: including main shaft,
It speed change system on main shaft and is rotatably assorted and is coated at the power output axle sleeve of main shaft, the speed change system includes bottom gear power
Input component, reverse gear power input and adaptive rate component；
Adaptive rate component includes active friction part, from dynamic friction piece and speed change elastic element；
The active friction part and frictional drive pair is formed in such a way that rubbing surface is mutually matched from dynamic friction piece；
Described that main shaft is set in a manner of the circumferencial direction transmission that can slide axially from dynamic friction piece, the application of speed change elastic element makes
The pretightning force of transmission is bonded with active friction part from dynamic friction piece, it is described to pass through axial cam adjutant power output from dynamic friction piece
To power output axle sleeve, when the axial cam adjutant power output, torus axial direction external conical sleeve is applied and speed change elasticity member
The opposite axial thrust load of part pretightning force；Drive power that power is input to the active friction by one first freewheel clutch
Part；
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 main shaft and is transferred to by main shaft from dynamic friction piece；
The power input of reversing gear is arranged the power that can will reverse gear on main shaft and is transferred to main shaft and is transferred to by main shaft
From dynamic friction piece；
The power input of reversing gear is inputted reverse gear power by transmission ratio I, and by reverse gear power output to main shaft, described low
Speed gear power input is inputted bottom gear power by transmission ratio II, and by bottom gear power output to main shaft, transmission ratio I is big
In equal to transmission ratio II.
2. double overdrive clutch axle sleeves according to claim 1 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: axial cam pair shape with the cam sleeve with edge cam and the edge cam having from dynamic friction piece
At the cam sleeve, which is rotatably assorted, is coated at main shaft, and the power output axle sleeve and cam sleeve are driven cooperation or one
It forms and is equipped with the power output member to output power.
3. double overdrive clutch axle sleeves according to claim 2 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: the inner ring transmission of second freewheel clutch is equipped in main shaft, and outer ring transmission is equipped with or direct shape
At the bottom gear driven gear for inputting bottom gear power；The power input of reversing gear is the driven gear that reverses gear；The biography
It is dynamic to be greater than transmission ratio II than I.
4. double overdrive clutch axle sleeves according to claim 3 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: 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
It resists from dynamic friction piece, the other end resists pretightning force and adjusts component, and the plane bearing is the plane of radially double small ball
Rolling bearing.
5. double overdrive clutch axle sleeves according to claim 3 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: being cooperated between the cam sleeve and power output axle sleeve by the second axial cam auxiliary driving.
6. double overdrive clutch axle sleeves according to claim 1 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: it includes adjusting ring and adjusting nut that the pretightning force, which adjusts component, and the adjusting nut, which is threadedly engaged, is set to main shaft,
Adjust that ring is axially slidable to be coated at main shaft and both ends are respectively held against adjusting nut and speed change disc spring, the adjusting nut is also set
Have the locking assembly of its axial locking.
7. double overdrive clutch axle sleeves according to claim 5 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: being driven cooperation with first freewheel clutch outer ring and is rotatably assorted and is coated at cam sleeve or power output axle sleeve
Equipped with intermediate driving gear, the intermediate driving gear is used for output power, and formation is reversed gear or bottom gear power.
8. double overdrive clutch axle sleeves according to claim 7 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: the power output member is the power output gear integrally formed with power output axle sleeve, the power output axle sleeve
Outer circle is equipped with close to power output gear for the first transverse bearing for being supported in mission case that is rotatably assorted；It is described intermediate main
Moving gear first end and the transmission of the first freewheel clutch outer ring cooperate, and second end forms left axle neck and the left axle neck outer circle is equipped with and uses
In the second transverse bearing for being supported in mission case that is rotatably assorted；The second freewheel clutch inner ring prolongs to left and right respectively
It stretches to form outer extension shaft section and interior extension shaft section, outer extension shaft section outer circle and interior extension shaft section outer circle are respectively corresponded and be equipped with for turning
The dynamic third transverse bearing and the 4th transverse bearing for being supported in mission case；The driven gear transmission cooperation of reversing gear is coated at
The shaft part outer circle that second freewheel clutch inner ring extends to inner end, and the 4th transverse bearing is located at the driven gear that reverses gear
Right side；The main shaft outer circle is equipped with for the 5th transverse bearing for being supported in driving motor rotor inner circle that is rotatably assorted.
9. double overdrive clutch axle sleeves according to claim 8 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: it is rotatably assorted between the first freewheel clutch inner ring by the first plane bearing on the right side of the intermediate driving gear,
Second transverse bearing is set to the axle journal formed on the left of intermediate driving gear, intermediate driving gear left side and the first radial axle
It is rotatably assorted between holding by the second plane bearing；The interior outrigger shaft in power output gear left side and the second freewheel clutch inner ring
Section setting third plane bearing.
10. double overdrive clutch axle sleeves according to claim 9 export taper sleeve type self-adapting automatic gear shift main shaft assembly, special
Sign is: the driving power is inputted by a driving transition sleeve, driving transition sleeve first freewheel clutch of transmission connection
Outer ring, the inner ring and active friction part of first freewheel clutch are sequentially connected；It is solid with first freewheel clutch outer ring
Surely a drive sleeve is connected, the drive sleeve tight fit is coated at the right axle neck that intermediate driving gear first end is formed and forms transmission
Cooperation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304833.XA CN109990069B (en) | 2019-04-16 | 2019-04-16 | Double-overrunning clutch shaft sleeve output taper sleeve type self-adaptive automatic speed change main shaft assembly |
| PCT/CN2020/084069 WO2020211696A1 (en) | 2019-04-16 | 2020-04-09 | Dual-overrunning clutch shaft sleeve output adaptive automatic transmission main shaft assembly, gearbox, and drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304833.XA CN109990069B (en) | 2019-04-16 | 2019-04-16 | Double-overrunning clutch shaft sleeve output taper sleeve type self-adaptive automatic speed change main shaft assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990069A true CN109990069A (en) | 2019-07-09 |
| CN109990069B CN109990069B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910304833.XA Expired - Fee Related CN109990069B (en) | 2019-04-16 | 2019-04-16 | Double-overrunning clutch shaft sleeve output taper sleeve type self-adaptive automatic speed change main shaft assembly |
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| Country | Link |
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| CN (1) | CN109990069B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110939699A (en) * | 2019-12-04 | 2020-03-31 | 西南大学 | Mechanical self-adaptive automatic transmission adopting multi-piece type large-torque friction clutch |
| CN110985627A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Mechanical double-overrunning self-adaptive automatic transmission adopting multi-row floating overrunning clutch |
| CN110985563A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Self-adaptive multi-plate sequencing large-torque friction clutch device with one-way transmission function |
| CN110985564A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Electric drive system with multi-plate self-sequencing friction clutch speed reducing mechanism |
| CN111005992A (en) * | 2019-12-04 | 2020-04-14 | 西南大学 | Self-adaptive automatic speed change assembly applicable to severe working conditions |
| CN111043256A (en) * | 2019-12-04 | 2020-04-21 | 西南大学 | Full-mechanical self-adaptive automatic speed change system |
| CN111043257A (en) * | 2019-12-04 | 2020-04-21 | 西南大学 | Self-adaptive automatic speed change assembly adopting multi-piece type large-torque friction clutch |
| CN111075851A (en) * | 2019-12-04 | 2020-04-28 | 西南大学 | Self-adaptive multi-plate sequencing large-torque friction clutch |
| CN111140630A (en) * | 2019-12-31 | 2020-05-12 | 西南大学 | Coaxial multilayer multistage self-adaptive two-gear speed change system |
| WO2020211696A1 (en) * | 2019-04-16 | 2020-10-22 | 西南大学 | Dual-overrunning clutch shaft sleeve output adaptive automatic transmission main shaft assembly, gearbox, and drive system |
| CN112901729A (en) * | 2019-12-04 | 2021-06-04 | 西南大学 | Self-adaptive automatic speed change assembly adopting multi-row combined overrunning clutch |
| CN112901728A (en) * | 2019-12-04 | 2021-06-04 | 西南大学 | Double-overrunning self-adaptive automatic speed change system adopting multi-row floating overrunning clutch |
| WO2021110155A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Fully-mechanical self-adaptive automatic transmission |
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| WO2020211696A1 (en) * | 2019-04-16 | 2020-10-22 | 西南大学 | Dual-overrunning clutch shaft sleeve output adaptive automatic transmission main shaft assembly, gearbox, and drive system |
| CN112901729A (en) * | 2019-12-04 | 2021-06-04 | 西南大学 | Self-adaptive automatic speed change assembly adopting multi-row combined overrunning clutch |
| CN111005992B (en) * | 2019-12-04 | 2022-04-22 | 西南大学 | Self-adaptive automatic speed change assembly applicable to severe working conditions |
| CN110985627A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Mechanical double-overrunning self-adaptive automatic transmission adopting multi-row floating overrunning clutch |
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| CN111075851A (en) * | 2019-12-04 | 2020-04-28 | 西南大学 | Self-adaptive multi-plate sequencing large-torque friction clutch |
| CN110939699A (en) * | 2019-12-04 | 2020-03-31 | 西南大学 | Mechanical self-adaptive automatic transmission adopting multi-piece type large-torque friction clutch |
| CN110985564A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Electric drive system with multi-plate self-sequencing friction clutch speed reducing mechanism |
| CN110985563A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Self-adaptive multi-plate sequencing large-torque friction clutch device with one-way transmission function |
| WO2021110155A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Fully-mechanical self-adaptive automatic transmission |
| CN112901728A (en) * | 2019-12-04 | 2021-06-04 | 西南大学 | Double-overrunning self-adaptive automatic speed change system adopting multi-row floating overrunning clutch |
| WO2021110152A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Self-adaptive multi-disc actuated in sequence large-torque friction clutch device with one-way transmission function |
| CN110985564B (en) * | 2019-12-04 | 2021-12-03 | 西南大学 | Electric drive system with multi-plate self-sequencing friction clutch speed reducing mechanism |
| CN110985627B (en) * | 2019-12-04 | 2022-03-04 | 西南大学 | Mechanical double-overrunning self-adaptive automatic transmission adopting multi-row floating overrunning clutch |
| CN112901728B (en) * | 2019-12-04 | 2022-04-12 | 西南大学 | Double-overrunning self-adaptive automatic speed change system adopting multi-row floating overrunning clutch |
| CN112901729B (en) * | 2019-12-04 | 2022-04-08 | 西南大学 | Self-adaptive automatic speed change assembly adopting multi-row combined overrunning clutch |
| CN111140630B (en) * | 2019-12-31 | 2022-03-22 | 西南大学 | Coaxial multilayer multistage self-adaptive two-gear speed change system |
| CN111140630A (en) * | 2019-12-31 | 2020-05-12 | 西南大学 | Coaxial multilayer multistage self-adaptive two-gear speed change system |
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