CN110203067A - Mechanical double overdrive clutch self-adapting automatic gear shift bridge - Google Patents
Mechanical double overdrive clutch self-adapting automatic gear shift bridge Download PDFInfo
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- CN110203067A CN110203067A CN201910314884.0A CN201910314884A CN110203067A CN 110203067 A CN110203067 A CN 110203067A CN 201910314884 A CN201910314884 A CN 201910314884A CN 110203067 A CN110203067 A CN 110203067A
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- cam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of mechanical double overdrive clutch self-adapting automatic gear shift bridge, including axle housing, speed change system is located in axle housing, including 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 hollow spindle is transferred to from countershaft, bottom gear transmission mechanism have the transmission ratio II that bottom gear power is transferred to hollow spindle 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 do not interfere, guarantee overall performance, adaptability is stronger, cooperates smooth with self-adapting automatic gear shift mechanism naturally, improving whole efficiency, entire speed change system is located in axle housing, compact overall structure, and the strength and stiffness of whole bridge are improved, it occupies small in size.
Description
Technical field
The present invention relates to a kind of vehicle transmission, in particular to a kind of mechanical double overdrive clutch self-adapting automatic gear shift
Bridge.
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, increasing the object of the present invention is to provide a kind of mechanical double overdrive clutch self-adapting automatic gear shift bridge
The stronger reverse gear mechanism of adaptability, device be not only able to adaptively with running resistance variation do not cut off in the case where driving force from
It is dynamic to carry out shift speed change, and can solve under bi-directional drive operating condition, it is able to satisfy complex condition high efficiency road forward direction and anti-
To traveling the problem of, and be arranged it is simple and compact, with cam self-adapting automatic gear shifting mechanism cooperation it is smooth naturally, reduce manufacture at
This, guarantees the stability of transmission.
Mechanical double overdrive clutch self-adapting automatic gear shift bridge of the invention, including axle housing and be located at the intracorporal difference of axle housing
Speed change system on fast device, hollow spindle and hollow spindle, the speed change system include bottom gear transmission mechanism, reverse gear machine
Structure 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
It is secondary to cooperate with hollow spindle transmission, when the first axis cam adjutant power is by hollow spindle output, to from dynamic friction piece
Apply the axial thrust load opposite with speed change elastic element pretightning force；Driving power is input to one first freewheel clutch to move
Power is input to the active friction part；
The hollow spindle outputs power to differential mechanism, and two semiaxis of the differential mechanism are sequentially connected respectively to be equipped with respectively
From transmission shaft, wherein a transmission shaft is rotatably assorted across hollow spindle and is rotatably assorted and is supported in axle housing；
It further include countershaft, the driving power also inputs countershaft；
The bottom gear transmission mechanism includes the second freewheel clutch, and the countershaft passes through the second freewheel clutch for low speed
Gear power is transferred to from dynamic friction piece；
The reverse gear mechanism is transferred to from dynamic friction piece by the power that can will reverse gear or is arranged in a manner of disconnecting the power that reverses gear；
There is the reverse gear mechanism power that will reverse gear to be transferred to transmission ratio I from dynamic friction piece, the bottom gear from countershaft
Transmission mechanism, which has, is transferred to the transmission ratio II from dynamic friction piece from countershaft for bottom gear power, and transmission ratio I is more than or equal to transmission
Than II.
Further, second freewheel clutch and reverse gear mechanism pass through second axial cam adjutant's power be transferred to from
Dynamic friction piece.
Further, the differential casing extends to form to be rotatably assorted respectively to the left and right is supported in the left outrigger shaft of axle housing
Section and right extension shaft section, the cooperation of the left end of extension shaft section and hollow spindle transmission to the right, the right axle shaft of the differential mechanism, which is driven, to be connected
It is equipped with right transmission shaft, the right transmission shaft is rotatably assorted across hollow spindle and is rotatably assorted and is supported in axle housing；
The second axial cam pair is by the cam sleeve with edge cam and the edge cam having from dynamic friction piece
It cooperatively forms, the cam sleeve, which is rotatably assorted, to be covered on hollow spindle, described to pass through first axis cam pair from dynamic friction piece
Engagement sleeves are driven on hollow spindle.
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 inputs the first freewheel clutch outer ring and power is input to countershaft simultaneously by the first freewheel clutch outer ring.
Further, the bottom gear transmission mechanism further includes bottom gear driven gear and engages with bottom gear driven gear
The outer ring transmission of bottom gear driving gear, second freewheel clutch is equipped with or is directly formed bottom gear driven tooth
Wheel, the bottom gear driving gear transmission are equipped in countershaft；The reverse gear mechanism include reverse gear driving gear and with reverse gear
The driven gear that reverses gear of driving gear engagement, the engageable or isolated mode of the driving gear that reverses gear are set to countershaft, reverse gear
The inner ring of driven gear and second freewheel clutch and cam sleeve transmission cooperate and are set in rotation with hollow spindle；
The transmission ratio I is greater than transmission ratio II.
Further, the driving gear that reverses gear is set to countershaft in such a way that electromagnetism gearshift is engageable or separates,
It is described to be used to switch power positive and negative rotation input simultaneously with electromagnetism gearshift.
Further, the electromagnetism gearshift includes active swing arm, shift shaft, selector fork and two electromagnetism shifts
Device, described two electromagnetism selectors are used to drive active swing arm around the axis oscillating of shift shaft and drive shift shaft around described
Axis of shifting gears rotates, and the shift shaft drives selector fork around the axis oscillating and to complete to shift gears.
Further, the electromagnetism gearshift is additionally provided with positioning mechanism, and the positioning mechanism includes being set to active swing arm
Or it is set to the positioning pellet with the positioning element of the servo-actuated connection of active swing arm with pretightning force and is set to axle housing
Positioning pedestal, in the positioning pedestal setting with the cooperation of positioning pellet and position and reverse gear mechanism engagement or can separate corresponding
Location dimples；The electromagnetism gearshift be additionally provided with for detect gear shift whether position sensing component in place.
Further, the speed change elastic element is speed change disc spring, and the speed change disc spring is coated at hollow spindle and one end
It is resisted by plane bearing from dynamic friction piece, the plane bearing is the plane rolling bearing of radially double small ball；
It is equipped with drive sleeve with the transmission cooperation of first freewheel clutch outer ring, the drive sleeve is used to pass with rotor
Dynamic cooperation input power, and axially extending formation axle journal is rotatably assorted and is supported in axle housing, the active friction part, from dynamic friction
Part and speed change disc spring are respectively positioned in the cavity between drive sleeve and hollow spindle.
Further, second freewheel clutch and reverse gear mechanism pass through third axial cam adjutant's power and are transferred to
For two axial cam pairs to be transferred to from dynamic friction piece, the third axial cam pair is coated at hollow spindle 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；
It is driven cooperation with first freewheel clutch outer ring and is rotatably assorted and be coated at cam sleeve or the second camshaft
It is arranged with intermediate driving gear, the countershaft gearing is equipped with the intermediate driven tooth with intermediate driving gear transmission cooperation
Wheel；
Outer end extends to form the axle sleeve that transmission cooperation is coated at hollow spindle to the second freewheel clutch inner ring in the axial direction,
Axle sleeve, which is rotatably assorted, is supported in axle housing, and 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, the hollow spindle power output end, which is rotatably assorted, is supported in axle housing.
Further, the sleeve outer circle of first freewheel clutch is rotatably assorted by the first rolling bearing is supported in bridge
Shell；Second cam sleeve is rotatably assorted by the second rolling bearing and is supported in axle housing, and second rolling bearing is located to fall
Between shelves driven gear and intermediate driving gear, the intermediate driving gear axially extends to form axle journal, and the axle journal also passes through
5th rolling bearing, which is rotatably assorted, is supported in axle housing, flat by first between the intermediate driving gear and the second rolling bearing
Spherical bearing is rotatably assorted；The drive sleeve inner circle is rotatably assorted by the 4th rolling bearing is supported in hollow spindle.
The beneficial effects of the present invention are: mechanical double overdrive clutch self-adapting automatic gear shift bridge of the invention, has existing
The all advantages of cam self-adapting automatic gear shifting device, as can detecting driving torque-revolving speed and traveling resistance according to running resistance
Power-speed signal makes output power of motor and traveling state of vehicle be in best match state always, realizes vehicle drive force
The balance of square and comprehensive running resistance controls, and adaptively changes automatic carry out with running resistance in the case where not cutting off driving force
Shift speed change；It can satisfy and used under mountain area, hills and heavy load conditions, keep motor load change gentle, motor vehicles operation
Steadily, safety is improved；
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；Entire speed change system is located in axle housing, compact overall structure, and improve the intensity of whole bridge with
Rigidity, occupancy is small in size, to improve bearing capacity, is not only applicable to electric automobiles, and be suitable for other change torque machines
Tool transmission field.
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 the partial enlargement diagram of friction member.
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: mechanical double overdrive clutch self-adapting automatic gear shift bridge of the invention, including axle housing 20 and position
In the speed change system in axle housing on 20 differential mechanism, hollow spindle 1 and hollow spindle 1, the speed change system includes bottom gear
Transmission mechanism, reverse gear transmission 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 be using such as Fig. 4 friction plate structure shown in fig. 5, active friction part 18 ' and first
Freewheel clutch inner ring is integrally formed or transmission cooperation, and active friction part 18 ' is equipped with active friction plate group 18a ', driven to rub
It wipes part and is equipped with the driven friction disk group matched with active friction plate 18a ', fit structure and existing friction plate clutch
It is similar, but the detachable setting of this structural friction piece, it 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
It wipes part to cooperate by first axis cam pair and the transmission of hollow spindle 1, first axis cam adjutant's power passes through hollow master
When axis exports, to the axial thrust load opposite with speed change elastic element pretightning force from dynamic friction piece application；First axis cam pair 27
As mutually matched axial cam (including edge cam or spiral cam), when rotating from dynamic friction piece, first axis is convex
Wheel set 27 generates two component of axial direction and circumferencial direction, and wherein circumferencial direction component output power, axial thrust load act on driven
Friction member is simultaneously applied to speed change elastic element, that is to say, that the rotation direction of first axis cam pair has with power output rotation direction
It closes, those skilled in the art according to the above records, under the premise of learning power output direction, can learn first axis cam
Secondary 27 which kind of rotation direction can apply the axial thrust load in which kind of direction, and details are not described herein；；As shown, due to from dynamic friction piece 2
Engagement sleeves are driven on hollow spindle 1 by first axis cam pair 27, therefore, first axis cam pair 27 is spiral cam,
Details are not described herein；Driving power is input to one first freewheel clutch to which power is input to the active friction part；Institute
It states hollow spindle 1 and outputs power to a differential mechanism 31, two semiaxis of the differential mechanism 31 are sequentially connected respectively to be equipped with respectively
Transmission shaft, wherein a transmission shaft is rotatably assorted across hollow spindle 1 and is rotatably assorted and is supported in axle housing, as shown, institute
The right axle shaft transmission connection for stating differential mechanism 31 is equipped with right transmission shaft 30, and the right transmission shaft 30 is rotatably assorted across hollow spindle 1
And be rotatably assorted and be supported in axle housing 20, as shown, right transmission shaft is rotatably assorted by the 7th transverse bearing 33 is supported in bridge
Shell 20；And the left half axle transmission connection of the differential mechanism 31 is equipped with left drive shaft 29, the left drive shaft 29 is rotatably assorted branch
It supports in axle housing 20, as shown, left drive shaft is rotatably assorted by the 8th transverse bearing 32 is supported in axle housing 20；Differential mechanism
31 differential casing extends to form left extension shaft section and right extension shaft section, left extension shaft section and right extension shaft section to the left and right respectively
It is rotatably assorted respectively by respective neck to bearing and is supported in axle housing；
It further include countershaft 12, the driving power also inputs countershaft 12；
The bottom gear transmission mechanism includes the second freewheel clutch, and the countershaft passes through the second freewheel clutch for low speed
Gear power is transferred to from dynamic friction piece；
The reverse gear mechanism is transferred to from dynamic friction piece 2 by the power that can will reverse gear or is set in a manner of disconnecting the power that reverses gear
It sets；Generally be configured using engaging gear structure, can disconnect reverse gear mechanism and the transmission from dynamic friction piece and also disconnect with it is secondary
The transmission of axis 12, is able to achieve goal of the invention；
The transmission ratio I that there is the reverse gear mechanism power that will reverse gear hollow spindle 1 is transferred to from countershaft 12, the bottom gear
Transmission mechanism has the transmission ratio II that bottom gear power is transferred to hollow spindle 1 from countershaft 12, and transmission ratio I is more than or equal to transmission
Than 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 (bottom gear and reverse gear by countershaft input power), formation surmounts, and reverse gear mechanism is smoothly driven, and otherwise can lock.
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, the
The cam structure of the secondary preferably bidirectional output of two axial cams.
In the present embodiment, the second axial cam pair 26 is by the cam sleeve 16 with edge cam and from dynamic friction piece
2 edge cams having cooperatively form, and the cam sleeve 16, which is rotatably assorted, to be covered on hollow spindle 1, described from dynamic friction piece 2
Engagement sleeves are driven on hollow spindle 1 by first axis cam pair 27；First freewheel clutch, the 4 inner ring 4a rotation is matched
Conjunction is coated at cam sleeve 16 and end extend to form extended segment and active friction part 18 transmission cooperate, drive sleeve 3 with the first surpass
With merging while power being input to countershaft 12, structure setting makes structure of the invention compact for more 4 outer ring 4b of clutch transmission.
The driving power is input to the outer ring 4b of the first freewheel clutch 4, as shown, drive sleeve 3 is used for and motor
Rotor cooperated by transmission with merging to be driven with the outer ring 4b of the first freewheel clutch 4, as shown, drive sleeve 3 passes through one
The transition drive sleeve of transmission cooperation forms power input transmission, and improves connection rigidity；The inner ring of first freewheel clutch 4
4a and active friction part 18 are sequentially connected；The driving power also inputs countershaft 12 by the first freewheel clutch outer ring, also
It is that driving power divides two-way to input, the mode of input countershaft 12 can be used existing any mechanical transmission structure, such as gear,
Chain, even direct-connected transmission etc., 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；Driving power input the first surpasses
Power is simultaneously input to countershaft 12 by the first freewheel clutch outer ring by more 4 outer ring 4b of clutch simultaneously.
In the present embodiment, the bottom gear transmission mechanism further includes bottom gear driven gear and nibbles with bottom gear driven gear
The outer ring 6b transmission of the bottom gear driving gear 7 of conjunction, second freewheel clutch 6 is equipped with or is directly formed bottom gear
Driven gear, the transmission of bottom gear driving gear 7 are equipped in countershaft 12；The reverse gear mechanism includes the driving gear that reverses gear
9 and the driven gear 8 that reverses gear that is engaged with the driving gear 9 that reverses gear, the driving gear 9 that reverses gear engageable (transmission) or separation (turn
It is dynamic) mode be set to countershaft, the inner ring 6a and cam sleeve 16 of reverse gear driven gear 8 and second freewheel clutch 6 are passed
It is dynamic to cooperate and be set in rotation with hollow spindle 1, the inner ring 6a of the second freewheel clutch 6 and cam sleeve 16 in the present embodiment
It is integrally formed；As shown, the driving gear 9 that reverses gear is rotatably assorted, (needle bearing) is set to countershaft 12, by slidably and can
The engaging member of transmission being set on countershaft is formed in the engagement or isolated cooperation of countershaft, belongs to conventional connected structure,
This is repeated no more；The transmission ratio I is greater than transmission ratio II, to guarantee the smoothness of transmission, avoids the occurrence of locked.
In the present embodiment, the driving gear 9 that reverses gear is arranged in such a way that electromagnetism gearshift 10 is engageable or separates
It is described to be used to switch power positive and negative rotation input simultaneously with electromagnetism gearshift in countershaft 12, it is changed into electromagnetism gearshift
During reversing gear, signal is sent directly to electric machine control system, controls motor reversal, realization is reversed gear；Using general signal
Collecting mechanism or switch can be realized.
In the present embodiment, the electromagnetism gearshift includes active swing arm 104, shift shaft 105,106 and of selector fork
Two electromagnetism selectors (electromagnetism selector 101 and electromagnetism selector 102), described two electromagnetism selectors are actively put for driving
Arm is rotated around the axis oscillating and drive shift shaft of shift shaft around the shift axis, and the shift shaft drives shift to dial
Fork is around the axis oscillating and completes to shift gears；As shown, electromagnetism selector 101,102 is set side by side in the present embodiment, and
Be respectively used to the both ends of driving (or release) active swing arm, swing active swing arm 104 can around a center line, the shifting shaft with
Axis coincides with the servo-actuated axis oscillating and drive for being connected to active swing arm 104 and driving active swing arm around shift shaft of the center line
Shift shaft is rotated around the axis, and the shift shaft 105 drives selector fork 106 around the axis oscillating and driving connects
Clutch (synchronizer) 17 completes shift, and 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) can be opposed structure, carry out from two sides to active swing arm past
Multiple wobble drive, equally can be achieved goal of the invention, details are not described herein；Electromagnetism selector is the structure with reciprocating push rod, is led to
Return, return generally use return spring structure immediately after reciprocating push rod is released and active swing arm is pushed to swing when electric, herein not
It repeats again.
In the present embodiment, the electromagnetism gearshift is additionally provided with positioning mechanism 103, and the positioning mechanism 103 includes setting
In active swing arm or it is set to the positioning pellet 103b with pretightning force with the positioning element 107 of the servo-actuated connection of active swing arm
Be set on the positioning pedestal 103c, the positioning pedestal 103c of axle housing setting with can be with positioning pellet 103b cooperation and position
It sets and engages or separate corresponding location dimples with reverse gear mechanism；As shown, positioning pellet is set to described in the present embodiment
Positioning element 107, positioning element 107 be equipped with setting positioning pellet 103b location hole 103a, positioning hole be provided with for pair
Position pellet 103b apply outward with the retaining spring 103d of the pretightning force of location dimples location fit；It positions during the swing
Pellet slides on positioning pedestal surface, and pellet is positioned when sliding at location dimples and is formed under pretightning force effect into pit
Positioning, certainly, pit is smooth structure, and pellet is positioned under certain thrust can remove pit, completes subsequent shift program；Institute
State electromagnetism gearshift be additionally provided with for detect gear shift whether position sensing component in place, sensory package generally uses suddenly
That element and magnet steel corresponding with Hall element.
In the present embodiment, the speed change elastic element is speed change disc spring 19, and the speed change disc spring 19 is coated at hollow spindle
1 and one end resisted by plane bearing 28 from dynamic friction piece 2, the plane bearing 28 is the plane of radially double small ball
Rolling bearing, the use that small ball refers to ball identical compared with bearing capacity in the prior art are small；Using double-row balls, in plane axis
Under conditions of carrying same load, the parameter of ball can be reduced, there is stability of rotation, same load revolving speed height, bearing capacity
Strong feature, and axially mounted size can be reduced.
Outer ring transmission cooperation with first freewheel clutch is equipped with drive sleeve 3, and the drive sleeve 3 is used to turn with motor
Son transmission cooperation input power, and axially extending formation axle journal is rotatably assorted by the 6th rolling bearing 24 and is supported in axle housing,
The active friction part 18 is respectively positioned in the cavity between drive sleeve and hollow spindle from dynamic friction piece 2 and speed change disc spring 19；Knot
Structure is compact, and integration is stronger, facilitates the arrangement of electric vehicle；And cooperated by the support of drive sleeve 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 by being rotatably assorted
The edge cam and cam sleeve 16 for being coated at the second cam sleeve 25 of hollow spindle are backwards to the end from one end of dynamic friction piece 2
Face cam 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；
Second freewheel clutch, the 6 inner ring 6b in the axial direction outer end extend to form transmission cooperation be coated at hollow spindle 1
Axle sleeve outward refers to the outside (left end in figure) to speed changer, and axle sleeve, which is rotatably assorted, is supported in axle housing, 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 hollow spindle, which is rotatably assorted, is supported in axle housing 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 axle housing 20；Second cam sleeve 25 is rotatably assorted by the second rolling bearing 21 and is supported in axle housing 20,
Second rolling bearing 21 is located between reverse gear driven gear 8 and intermediate driving gear 5, and the intermediate driving gear 5 is axial
Extend to form axle journal, and the axle journal also passes through the 5th rolling bearing 11 and is rotatably assorted and is supported in axle housing 20, it is described it is intermediate actively
It is rotatably assorted between gear 5 and the second rolling bearing 21 by the first plane bearing 13 (plane rolling bearing)；The drive sleeve 3
Inner circle is rotatably assorted by the 4th rolling bearing 23 and is supported in hollow spindle 1.
1 power output end of hollow spindle, which passes through and passes through third rolling bearing 22 and be rotatably assorted, is supported in axle housing
20, the drive sleeve is rotatably assorted by the 4th rolling bearing 23 and is supported in hollow spindle 1；As shown, each rolling bearing
It is supported on the ribs formed in axle housing or end cap, details are not described herein；The ribs of formation are to axle housing itself
Also there is booster action.
In the present embodiment above structure, the power output input segment on hollow spindle or/and cam sleeve is corresponding
For rotational support in axle housing, the structure, cam sleeve is coated at hollow spindle, the structure for forming transmission and supporting mutually, energy
It enough transmits biggish torque and will not occur bending and deformation, the scantling under same bearer ability condition can be greatly reduced；Needle
To each transmission carrying (power handover outputs and inputs segment) component, it is respectively supported at axle housing, so that hollow spindle and biography
Dynamic axle sleeve longer can be arranged, and additional bending moment caused by torque is passed to axle housing as having support,
So that itself transmitting high torque, and the revolving speed (identical components size) being greatly improved under large torque, realize large torque,
The mutual support of high revolving speed and lightweight index, transverse bearing and axle sleeve and hollow spindle, also makes speed changer in high speed shape
There is preferable stationarity and low noise, compared with the existing technology, the highest for driving motor and high deceleration device under state
Revolving speed >=15000 rev/min have great advantages energy conservation and environmental protection for efficient lightweight gear, 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 → differential mechanism of hollow spindle 31
→ output power；
The second freewheel clutch surmounts at this time, and resistance transfer route: differential mechanism 31 → hollow spindle, 1 → first axis is convex
Wheel set → from dynamic friction piece 2 → speed change disc spring；Axial force and change is compressed to applying from dynamic friction piece 2 by first axis cam pair
Fast disc spring, when running resistance is increased to a timing, which overcomes speed change disc spring, makes active friction part 18 and from dynamic friction piece
2 separation, power are 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 → hollow spindle of dynamic friction piece 2 → axial cam pair → differential mechanism → 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, hollow spindle 1, hollow spindle 1 is made to pass through 31 output power of differential mechanism；The second freewheel clutch is at this time
Surmount 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 → hollow spindle, 1 → differential
Device 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 bridge, it is characterised in that: including axle housing and be located at axle housing
Speed change system on interior differential mechanism, hollow spindle and hollow spindle, the speed change system includes bottom gear transmission mechanism, reverse gear
Transmission mechanism 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
Hollow spindle transmission cooperation applies when the first axis cam adjutant power is exported by hollow spindle to from dynamic friction piece
The axial thrust load opposite with speed change elastic element pretightning force；Driving power is input to one first freewheel clutch to which power is defeated
Enter to the active friction part；
The hollow spindle outputs power to differential mechanism, and two semiaxis of the differential mechanism are sequentially connected respectively equipped with respective
Transmission shaft a, wherein transmission shaft is rotatably assorted across hollow spindle and is rotatably assorted and is supported in axle housing；
It further include countershaft, the driving power also inputs countershaft；
The bottom gear transmission mechanism includes the second freewheel clutch, and the countershaft is moved bottom gear by the second freewheel clutch
Power is transferred to from dynamic friction piece；
The reverse gear mechanism is transferred to from dynamic friction piece by the power that can will reverse gear or is arranged in a manner of disconnecting the power that reverses gear；
There is the reverse gear mechanism power that will reverse gear to be transferred to transmission ratio I from dynamic friction piece, the bottom gear transmission from countershaft
Mechanism, which has, is transferred to the transmission ratio II from dynamic friction piece from countershaft for bottom gear power, and transmission ratio I is more than or equal to transmission ratio II.
2. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 1, it is characterised in that: described second
Freewheel clutch and reverse gear mechanism pass through second axial cam adjutant's power and are transferred to from dynamic friction piece.
3. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 2, it is characterised in that: the differential
Device shell extends to form to be rotatably assorted respectively to the left and right is supported in the left extension shaft section and right extension shaft section of axle housing, extends to the right
The right axle shaft transmission connection of the transmission cooperation of the left end of shaft part and hollow spindle, the differential mechanism is equipped with right transmission shaft, the right biography
Moving axis is rotatably assorted across hollow spindle and is rotatably assorted and is supported in axle housing；
The second axial cam pair is with the cam sleeve with edge cam and the edge cam having from dynamic friction piece
It is formed, the cam sleeve, which is rotatably assorted, to be covered on hollow spindle, described to pass through the auxiliary driving of first axis cam from dynamic friction piece
Engagement sleeves are on hollow spindle.
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 inputs the first freewheel clutch outer ring and power is input to countershaft simultaneously by the first freewheel clutch outer ring.
4. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 3, it is characterised in that: the low speed
Gear transmission mechanism further includes bottom gear driven gear and the bottom gear driving gear engaged with bottom gear driven gear, and described second
The outer ring transmission of freewheel clutch is equipped with or is directly formed bottom gear driven gear, the bottom gear driving gear transmission
It is equipped in countershaft；The reverse gear mechanism includes reverse gear driving gear and the driven tooth of reversing gear that engages with the driving gear that reverses gear
Wheel, the engageable or isolated mode of the driving gear that reverses gear is set to countershaft, reverse gear driven gear and described second surmount from
Inner ring and the cam sleeve transmission of clutch cooperate and are set in rotation with hollow spindle；The transmission ratio I is greater than transmission ratio II.
5. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 4, it is characterised in that: described to reverse gear
Driving gear is set to countershaft in such a way that electromagnetism gearshift is engageable or separates, described to use simultaneously with electromagnetism gearshift
In switching power positive and negative rotation input.
6. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 5, it is characterised in that: the electromagnetism
Gearshift includes that active swing arm, shift shaft, selector fork and two electromagnetism selectors, described two electromagnetism selectors are used for
Driving active swing arm is rotated around the axis oscillating and drive shift shaft of shift shaft around the shift axis, the shift shaft
Selector fork is driven around the axis oscillating and to complete to shift gears.
7. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 6, it is characterised in that: the electromagnetism
Gearshift is additionally provided with positioning mechanism, and the positioning mechanism includes being set to active swing arm or being set to servo-actuated with active swing arm
The positioning pellet with pretightning force of the positioning element of connection and the positioning pedestal for being set to axle housing are set in the positioning pedestal
It sets and can and the cooperation of positioning pellet and the engagement of position and reverse gear mechanism or separate corresponding location dimples；The electromagnetism shift machine
Structure be additionally provided with for detect gear shift whether position sensing component in place.
8. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 3, it is characterised in that: the speed change
Elastic element is speed change disc spring, and the speed change disc spring is coated at hollow spindle and one end is resisted by plane bearing from dynamic friction
Part, the plane bearing are the plane rolling bearing of radially double small ball；
It is equipped with drive sleeve with the transmission cooperation of first freewheel clutch outer ring, the drive sleeve is used to match with rotor transmission
Close input power, and axially extending formation axle journal is rotatably assorted and is supported in axle housing, the active friction part, from dynamic friction piece and
Speed change disc spring is respectively positioned in the cavity between drive sleeve and hollow spindle.
9. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 2, it is characterised in that: described second
Freewheel clutch and reverse gear mechanism pass through third axial cam adjutant's power and are transferred to the second axial cam pair to be transferred to
From dynamic friction piece, the third axial cam pair is coated at the edge cam of the second cam sleeve of hollow spindle by being rotatably assorted
It is cooperatively formed backwards from the edge cam of one end of dynamic friction piece with cam sleeve；
It is driven cooperation with first freewheel clutch outer ring and is rotatably assorted and be coated at cam sleeve or the second camshaft is arranged
There is intermediate driving gear, the countershaft gearing is equipped with the intermediate driven gear with intermediate driving gear transmission cooperation；
Outer end extends to form the axle sleeve that transmission cooperation is coated at hollow spindle, axle sleeve to the second freewheel clutch inner ring in the axial direction
It is rotatably assorted and is supported in axle housing, 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, the hollow spindle power output end, which is rotatably assorted, is supported in axle housing.
10. mechanical double overdrive clutch self-adapting automatic gear shift bridge according to claim 2, it is characterised in that: described
The sleeve outer circle of one freewheel clutch is rotatably assorted by the first rolling bearing and is supported in axle housing；Second cam sleeve passes through
Second rolling bearing, which is rotatably assorted, is supported in axle housing, and second rolling bearing is located at reverse gear driven gear and intermediate driving tooth
Between wheel, the intermediate driving gear axially extends to form axle journal, and the axle journal also passes through the 5th rolling bearing and is rotatably assorted branch
It supports in axle housing, is rotatably assorted between the intermediate driving gear and the second rolling bearing by the first plane bearing；The biography
Dynamic set inner circle is rotatably assorted by the 4th rolling bearing is supported in hollow spindle.
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| CN201910314884.0A CN110203067B (en) | 2019-04-18 | 2019-04-18 | Mechanical double-overrunning clutch self-adaptive automatic speed changing bridge |
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| CN201910314884.0A CN110203067B (en) | 2019-04-18 | 2019-04-18 | Mechanical double-overrunning clutch self-adaptive automatic speed changing bridge |
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Cited By (8)
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| CN110966368A (en) * | 2019-12-04 | 2020-04-07 | 西南大学 | Intelligent self-adaptive automatic speed change system for super-large load |
| CN111016644A (en) * | 2019-12-04 | 2020-04-17 | 西南大学 | Compact adaptive automatic transmission system with multiple rows of overrunning clutches |
| CN111059242A (en) * | 2019-12-04 | 2020-04-24 | 西南大学 | Compact adaptive automatic transmission system with multi-plate friction clutch |
| CN111059272A (en) * | 2019-12-31 | 2020-04-24 | 西南大学 | Central driving type self-adaptive electric driving system capable of preventing self-locking during backing |
| CN112628374A (en) * | 2020-12-16 | 2021-04-09 | 西南大学 | Self-adaptive automatic speed changing system for longitudinal driving transmission sensing of electric automobile |
| 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 |
| CN112901730A (en) * | 2019-12-04 | 2021-06-04 | 西南大学 | Transaxle for an adaptive automatic transmission electric drive system |
| CN114151462A (en) * | 2021-11-26 | 2022-03-08 | 国焊(上海)智能科技有限公司 | Clutch mechanism, power clutch control device and method |
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| CN112628374B (en) * | 2020-12-16 | 2021-12-21 | 西南大学 | Self-adaptive automatic speed changing system for longitudinal driving transmission sensing of electric automobile |
| CN114151462A (en) * | 2021-11-26 | 2022-03-08 | 国焊(上海)智能科技有限公司 | Clutch mechanism, power clutch control device and method |
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