CN110307333A - The shifting fork mechanism and gearbox of gearbox - Google Patents
The shifting fork mechanism and gearbox of gearbox Download PDFInfo
- Publication number
- CN110307333A CN110307333A CN201910577599.8A CN201910577599A CN110307333A CN 110307333 A CN110307333 A CN 110307333A CN 201910577599 A CN201910577599 A CN 201910577599A CN 110307333 A CN110307333 A CN 110307333A
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- Prior art keywords
- gear
- shift
- input shaft
- gears
- fixed block
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Classifications
-
- 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
- F16H3/001—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion convertible for varying the gear-ratio, e.g. for selecting one of several shafts as the input shaft
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
- F16H2003/0811—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 using unsynchronised clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16H2003/0818—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 comprising means for power-shifting
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
This application discloses a kind of shifting fork mechanism of gearbox and gearboxes, belong to field of mechanical technique.The shifting fork mechanism includes: shell, the first fixed block, the second fixed block and the movable block being set in shell, and the shift fork part being connected with movable block；The position of first fixed block and the second fixed block is fixed；Movable block passes through electromagnetic coupling between the first fixed block and the second fixed block, and between movable block and the first fixed block and the second fixed block respectively；One end of shift fork part is connect with movable block.In technical solution provided by the embodiments of the present application, a kind of electromagnetism shift fork is provided, drives shift fork part mobile by Electromagnetic Control, and then drive gearshift to shift gears by shift fork part, can be realized efficient shift control.
Description
Technical field
The invention relates to field of mechanical technique, in particular to the shifting fork mechanism and gearbox of a kind of gearbox.
Background technique
Gearbox is very important component on automobile, can change transmission ratio, expands driving wheel torque and revolving speed
Variation range to adapt to the driving conditions often changed, while making transmitter in the work of advantageous (power is higher and oil consumption is lower)
It works under condition.
Gearbox is usually provided with multiple and different gears, to export different transmission ratios.Gearbox includes shift fork machine
Structure controls gearshift by the shifting fork mechanism, and then realizes the switching of different gears.
Summary of the invention
The embodiment of the present application provides the shifting fork mechanism and gearbox of a kind of gearbox.The technical solution is as follows:
On the one hand, the embodiment of the present application provides a kind of shifting fork mechanism of gearbox, and the shifting fork mechanism includes: shell, if
The first fixed block, the second fixed block and the movable block being placed in the shell, and the shift fork part being connected with the movable block；
The position of first fixed block and second fixed block is fixed；
The movable block is between first fixed block and second fixed block, and the movable block and described the
Between one fixed block and second fixed block, pass through electromagnetic coupling respectively；
One end of the shift fork part is connect with the movable block.
Optionally, between the movable block and first fixed block, it is provided with the first spring element；The movable block and institute
It states between the second fixed block, is provided with the second spring element.
Optionally, postive stop baffle is provided between the movable block and the side of the shell；
The movable block it is opposite with the postive stop baffle be formed with lug boss on one side, be formed on the postive stop baffle with
The compatible concave part of the lug boss.
Optionally, spring element is provided between the postive stop baffle and the shell.
Optionally, first fixed block and second fixed block are magnetic identical magnet, and the movable block is electricity
Magnet；
Alternatively, first fixed block and second fixed block are electromagnet, the movable block is magnetic metal material；
Alternatively, first fixed block, second fixed block and the movable block are electromagnet.
On the other hand, the embodiment of the present application provides a kind of gearbox, and the gearbox includes dialling as described in terms of above-mentioned
Pitch mechanism.
In another aspect, the embodiment of the present application provides a kind of gearbox, the gearbox include outer clutch, interior clutch,
Outer input shaft, interior input shaft and output shaft；
The outer input shaft and the interior input shaft are coaxially arranged；The outer clutch and the interior input axis connection, institute
State interior clutch and the outer input axis connection；
The outer input shaft and the interior input shaft are equipped with the input gear of various gears, and the output shaft is equipped with and institute
State the output gear for the various gears that input shaft gear is meshed；Wherein, the input gear includes fixed gear and free gear
Two types, the output gear also include the fixed gear and the free gear two types, the free gear pair
Shift tooth device should be provided with；
The gearbox further includes electromagnetism shift fork corresponding with the shift tooth device, and the electromagnetism shift fork is such as above-mentioned side
Shifting fork mechanism described in face.
Optionally, it is formed with the shift tooth being meshed between the free gear and the shift tooth device and shift tooth is solid
Determine slot, is formed at least one smooth lug boss in the shift tooth fixing groove.
Optionally, the shift tooth fixing groove is annular in shape, and in the shift tooth fixing groove there are at least two with it is described
It shifts gears the compatible fixed tooth of tooth, is formed with the smooth lug boss between the two neighboring fixed tooth.
Optionally, the gearbox further includes Power Component；
The Power Component passes through the first connection component and the second connection component respectively, with the interior input shaft and described outer
Input shaft is separately connected.
Optionally, in the first operative state, the outer clutch drives the interior input shaft rotation, the interior input shaft
The input gear of the first gear on the interior input shaft is driven to rotate, the input gear of first gear drives the output
The output gear of first gear on axis rotates, and the output gear of first gear drives the output shaft rotation；
In a second operative state, the interior clutch drives the outer input shaft rotation, and the outer input shaft drives institute
The input gear rotation of the second gear on outer input shaft is stated, the input gear of second gear drives on the output shaft
The output gear of second gear rotates, and the output gear of second gear drives the output shaft rotation；
During switching to second working condition from first working condition, the Power Component passes through institute
It states the second connection component and drives the outer input shaft rotation, so that the revolving speed of the shift tooth device of second gear and described the
The revolving speed of the free gear of two gears is identical；To revolving speed it is identical after, the shift tooth device of second gear and described second
The free gear of gear engages；The interior clutch combines, after being combined to the interior clutch, the outer clutch separation；
During switching to first working condition from second working condition, the Power Component passes through institute
It states the first connection component and drives the interior input shaft rotation, so that the revolving speed of the shift tooth device of first gear and described the
The revolving speed of the free gear of one gear is identical；To revolving speed it is identical after, the shift tooth device of first gear and described first
The free gear of gear engages；The outer clutch combines, after being combined to the outer clutch, the interior clutch separation.
Technical solution provided by the embodiments of the present application can be brought the following benefits:
In technical solution provided by the embodiments of the present application, a kind of electromagnetism shift fork is provided, is driven and is dialled by Electromagnetic Control
Fork is mobile, and then drives gearshift to shift gears by shift fork part, can be realized efficient shift control.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of the shifting fork mechanism for the gearbox that the application one embodiment provides；
Fig. 2 is the schematic diagram for the shifting fork mechanism that the application one embodiment provides；
Fig. 3 is the schematic diagram for the shifting fork mechanism that another embodiment of the application provides；
Fig. 4 is the schematic diagram for the shifting fork mechanism that another embodiment of the application provides；
Fig. 5 is the structural schematic diagram for the gearbox that the application one embodiment provides；
Fig. 6 is the connection schematic diagram between the shifting fork mechanism that the application one embodiment provides and shift tooth device；
Fig. 7 is the schematic diagram for the shift tooth fixing groove that the application one embodiment provides；
Fig. 8 is the schematic diagram of the shift tooth that the application one embodiment provides and tooth fixing groove of shifting gears.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Referring to FIG. 1, it illustrates the schematic diagrames of the shifting fork mechanism of the gearbox of the application one embodiment offer.Such as figure
Shown in 1, which may include: shell 241, the first fixed block 242, the second fixed block being set in shell 241
243 and movable block 244, and the shift fork part 245 being connected with movable block 244.
The position of first fixed block 242 and the second fixed block 243 is fixed.Movable block 244 is located at the first fixed block 242 and
Between two fixed blocks 243, and between movable block 244 and the first fixed block 242 and the second fixed block 243, pass through electromagnetism coupling respectively
It closes.
One end of shift fork part 245 is connect with movable block 244.
In one example, as shown in Fig. 2, the first fixed block 242 and the second fixed block 243 are magnetic identical magnet,
Movable block 244 is electromagnet.In another example, as shown in figure 3, the first fixed block 242 and the second fixed block 243 are electromagnetism
Iron, movable block 244 are magnetic metal material.Wherein, magnetic metal material be refer to by magnet attract material, as iron, nickel,
Cobalt etc..In another example, as shown in figure 4, the first fixed block 242 and the second fixed block 243 are electromagnet, movable block 244
It also is electromagnet.
Optionally, between movable block 244 and the first fixed block 242 and the second fixed block 243, it is respectively arranged with spring element,
Such as spring.
In this way, can pass through when there is no magnetic force between movable block 244 and the first fixed block 242 and the second fixed block 243
The spring element rapidly controls movable block 244 and is resetted.
Optionally, postive stop baffle is provided between movable block 244 and the side of shell 241；Movable block 244 and postive stop baffle
Opposite is formed with lug boss on one side, and concave part compatible with lug boss is formed on postive stop baffle.In this way, in movable block
244 under reset state, and the boss of movable block 244 is in concave part, so that the position of movable block 244 is more firm.
As shown in figs 2-4, between movable block 244 and the first fixed block 242, it is provided with the first spring element；Movable block 244
Between the second fixed block 243, it is provided with the second spring element.First spring element and the second spring element can be spring, Huo Zheqi
Its flexible component.In this way, there is no magnetic force between movable block 244 and the first fixed block 242 and the second fixed block 243
When, movable block 244 can be rapidly controlled by the spring element resetted.
Optionally, postive stop baffle is provided between movable block 244 and the side of shell 241；Movable block 244 and postive stop baffle
Opposite is formed with lug boss on one side, and concave part compatible with lug boss is formed on postive stop baffle.In this way, in movable block
244 under reset state, and the boss of movable block 244 is in concave part, so that the position of movable block 244 is more firm.
Optionally, spring element, such as spring are provided between postive stop baffle and shell 241, so that the protrusion of movable block 244
Portion can be smooth move in and out concave part on postive stop baffle.
In conclusion providing a kind of electromagnetism shift fork in technical solution provided by the embodiments of the present application, passing through electromagnetism control
System drives shift fork part mobile, and then drives gearshift to shift gears by shift fork part, can be realized efficient shift control.
On the other hand, the embodiment of the present application provides a kind of gearbox, and the gearbox includes dialling as described in terms of above-mentioned
Pitch mechanism.The gearbox can be any types such as manual transmission, automatic gear-box, double clutch gearboxes, and the application is real
It applies example and this is not construed as limiting.
Referring to FIG. 5, the structural schematic diagram of the gearbox 1 provided it illustrates the application one embodiment.The gearbox 1
It may include: outer clutch 11, interior clutch 12, outer input shaft 13, interior input shaft 14 and output shaft 15.
Gearbox 1 provided by the embodiments of the present application is double clutch gearboxes, the gearbox 1 include outer clutch 11 and it is interior from
Clutch 12.In the embodiment of the present application, the type of clutch is not construed as limiting, for example, its can be hydraulic clutch, electromagnetism from
Clutch etc..
Outer input shaft 13 and interior input shaft 14 are coaxially arranged.As shown in figure 5, outer input shaft 13 is socketed in interior input shaft 14
The outside of one end.
Outer clutch 11 is connect with interior input shaft 14, and interior clutch 12 is connect with outer input shaft 13.Outer clutch 11 is used for
Power is provided to interior input shaft 14, interior clutch 12 is used to provide power to outer input shaft 13.
Outer input shaft 13 and interior input shaft 14 are equipped with the input gear of various gears, and output shaft 15 is equipped with and input gear
The output gear for the various gears being meshed.In the embodiment of the present application, gearbox 1 includes multiple (at least two) gears.In Fig. 5
In, it including 1 to 9 gear and is reversed gear with gearbox 1,10 gears are schematically illustrated in total.Input shaft (including outer input shaft
13 and interior input shaft 14) on gear be known as input gear, the gear on output shaft 15 is known as output gear.Each gear packet
Containing an input gear and an output gear.For 1 to 9 gear, input gear and output gear are directly engaged；For reversing gear,
Input gear and output gear engage indirectly, and there are one reverse gears among the two.
In the embodiment of the present application, as shown in figure 5, interior input shaft 14 realizes odd number gear namely 1 gear, 3 gears, 5 gears, 7 gears
With 9 gears；Outer input shaft 13 realizes even number gear and reverses gear namely 2 gears, 4 gears, 6 gears, 8 gears and R gear (reversing gear).
In the embodiment of the present application, input gear includes that fixed gear and free gear two types, output gear also wrap
Include fixed gear and free gear two types.In Fig. 5, fixed gear is shown with label 17, and free gear is shown with label 18
Out.Free gear 18 is correspondingly arranged on shift tooth device 19.Fixed gear 17, which refers to, to be formed directly on axis or between axis
It is the gear being fixedly connected, the relative position between fixed gear 17 and axis is fixed.It is living that free gear 18, which refers between axis,
The gear of dynamic connection, the relative position between free gear 18 and axis are not fixed, and free gear 18 can axis where it
Rotation.
In the embodiment of the present application, in conjunction with reference Fig. 6, gearbox 1 further includes that electromagnetism corresponding with shift tooth device 19 is dialled
Fork 24, which is the shifting fork mechanism such as foregoing embodiments introduction.That is, electromagnetism shift fork 24 may include: shell
241, the first fixed block 242, the second fixed block 243 and the movable block 244 being set in shell 241, and with 244 phase of movable block
Shift fork part 245 even.
The position of first fixed block 242 and the second fixed block 243 is fixed.Movable block 244 is located at the first fixed block 242 and
Between two fixed blocks 243, and between movable block 244 and the first fixed block 242 and the second fixed block 243, pass through electromagnetism coupling respectively
It closes.
One end of shift fork part 245 is connect with movable block 244, and the other end of shift fork part 245 is connect with shift tooth device 19.
Introduction explanation in relation to the electromagnetism shift fork 24, reference can be made to foregoing embodiments, details are not described herein again.
In the embodiment of the present application, it in conjunction with reference Fig. 5 and Fig. 6, is formed between free gear 18 and shift tooth device 19
The shift tooth 20 being meshed and tooth fixing groove 21 of shifting gears, are formed at least one smooth lug boss in tooth fixing groove 21 of shifting gears.Knot
It closes and refers to Fig. 7 and Fig. 8, shift tooth fixing groove 21 is annular in shape, and there are at least two and shift tooth 20 in tooth fixing groove 21 of shifting gears
Compatible fixed tooth 211 is formed with smooth lug boss 212 between two neighboring fixed tooth 211.Optionally, the smooth protrusion
Portion 212 is located at the middle position of two neighboring fixed tooth 211.Optionally, the height of smooth lug boss 212 and shift tooth fixing groove
21 depth of groove is identical.
In the first operative state, outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The input gear of the first gear on 14 rotates, and the input gear of the first gear drives the output of the first gear on output shaft 15
The output gear of gear rotation, the first gear drives output shaft 15 to rotate.
In a second operative state, interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear of the second gear on 13 rotates, and the input gear of the second gear drives the output of the second gear on output shaft 15
The output gear of gear rotation, the second gear drives output shaft 15 to rotate.
By taking the work of gearbox 1 is in 1 gear as an example, gearbox 1 is in the first working condition at this time, and outer clutch 11 drives interior defeated
Enter the rotation of axis 14, interior input shaft 14 drives 1 on the interior input shaft 14 input gear rotation kept off, and the input gear of 1 gear drives defeated
The output gear rotation of 1 gear on shaft 15, the output gear of 1 gear drive output shaft 15 to rotate.
By taking the work of gearbox 1 is in 2 gears as an example, gearbox 1 is in the second working condition at this time, and interior clutch 12 drives outer defeated
Enter the rotation of axis 13, outer input shaft 13 drives 2 on the outer input shaft 13 input gear rotations kept off, and the input gear of 2 gears drives defeated
The output gear rotation of 2 gears on shaft 15, the output gear of 2 gears drive output shaft 15 to rotate.
During switching to the second working condition from the first working condition, the shift tooth device 19 of the second gear and
The free gear 18 of two gears engages, and interior clutch 12 combines, and after combining to interior clutch 12, outer clutch 11 is separated.
During switching to the first working condition from the second working condition, the shift tooth device 19 of the first gear and
The free gear 18 of one gear engages, and outer clutch 11 combines, and after combining to outer clutch 11, interior clutch 12 is separated.
In the following, explanation is introduced to gear handoff procedure for rising to the upshift process of 2 gears from 1 gear:
When gearbox 1 is in 1 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.As shown in figure 5, being arranged in beside the output gear of 1 gear due to the shift tooth device 19 of 1 gear, the shift tooth of 1 gear
The output gear that device 19 and 1 is kept off engages.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The input gear rotation of 1 gear on 14, the input gear of 1 gear drive the output gear rotation of 1 gear on output shaft 15,1 gear
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 1 gear, by the 1 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 2 gear from 1 gear, as shown in figure 5, the setting of shift tooth device 19 due to 2 gears exists
Beside the output gear of 2 gears, therefore the output gear that the shift tooth device 19 and 2 of 2 gear is kept off engages, at the same time or 2
After the output gear that the shift tooth device 19 and 2 of gear is kept off engages, the output gear that the shift tooth device 19 and 1 of 1 gear is kept off is separated；
Interior clutch 12 is switched to bonding state by discrete state, and after combining to interior clutch 12, outer clutch 11 is from bonding state
It is switched to discrete state, gearbox 1 switches to 2 gear working conditions.
When gearbox 1 is in 2 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives 2 input gears kept off on outer input shaft 13 to turn
Dynamic, the input gears of 2 gears drive the output gears rotation of 2 gears on output shafts 15, and the output gears of 2 gears with 2 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 2 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 2 gear from 1 gear, the shift tooth device 19 and 1 of 1 gear
The output gear of gear can be automatically separated.Specifically, interior after interior clutch 12 is switched to bonding state by discrete state
Clutch 12 will drive outer input shaft 13 to rotate, and outer input shaft 13 is further driven to the rotation of output shaft 15, due to 1 gear at this time
Shift gears tooth device 19 and 1 keep off output gear revolving speed it is no longer identical, therefore 1 gear shift tooth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 1 gear is automatically separated with shift tooth fixing groove 21, namely makes the shift of 1 gear
The output gear that tooth device 19 and 1 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 2 gears from 1 gear
In, first interior clutch 12 can be combined to separate outer clutch 11 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for rising to the upshift process of 3 gears from 2 gears:
When gearbox 1 is in 2 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.As shown in figure 5, being arranged in beside the output gear of 2 gears due to the shift tooth device 19 of 2 gears, the shift tooth of 2 gear
The output gear that device 19 and 2 is kept off engages.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear rotation of 2 gears on 13, the input gear of 2 gears drive the output gear rotation of 2 gears on output shaft 15,2 gears
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 2 gears, by the 2 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 3 gear from 2 gears, as shown in figure 5, the setting of shift tooth device 19 due to 3 gears exists
Beside the output gear of 3 gears, therefore the output gear that the shift tooth device 19 and 3 of 3 gear is kept off engages, at the same time or 3
After the output gear that the shift tooth device 19 and 3 of gear is kept off engages, the output gear that the shift tooth device 19 and 2 of 2 gears is kept off is separated；
Outer clutch 11 is switched to bonding state by discrete state, and after combining to outer clutch 11, interior clutch 12 is from bonding state
It is switched to discrete state, gearbox 1 switches to 3 gear working conditions.
When gearbox 1 is in 3 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives 3 input gears kept off on interior input shaft 14 to turn
Dynamic, the input gears of 3 gears drive the output gears rotation of 3 gears on output shafts 15, and the output gears of 3 gears with 3 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 3 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 3 gear from 2 gears, the shift tooth device 19 and 2 of 2 gears
The output gear of gear can be automatically separated.Specifically, after outer clutch 11 is switched to bonding state by discrete state, outside
Clutch 11 will drive interior input shaft 14 to rotate, and interior input shaft 14 is further driven to the rotation of output shaft 15, due to 2 gears at this time
Shift gears tooth device 19 and 2 keep off output gear revolving speed it is no longer identical, therefore 2 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 2 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 2 gears
The output gear that tooth device 19 and 2 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 3 gears from 2 gears
In, first outer clutch 11 can be combined to separate interior clutch 12 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for being down to the downshift process of 4 gears from 9 gears:
When gearbox 1 is in 9 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.As shown in figure 5, being arranged in beside the input gear of 9 gears due to the shift tooth device 19 of 9 gears, the shift tooth of 9 gear
The input gear that device 19 and 9 is kept off engages.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The shift tooth device 19 of 9 gears on 14 rotates, and the shift tooth device 19 of 9 gears drives the input gear rotation of 9 gears, the input of 9 gears
Gear drives the output gear rotation of 9 gears, and the output gear of 9 gears drives output shaft 15 to rotate.
During gearbox 1 switches to 4 gear from 9 gears, as shown in figure 5, the setting of shift tooth device 19 due to 4 gears exists
Beside the output gear of 4 gears, therefore the output gear that the shift tooth device 19 and 4 of 4 gear is kept off engages, at the same time or 4
After the output gear that the shift tooth device 19 and 4 of gear is kept off engages, the input gear that the shift tooth device 19 and 9 of 9 gears is kept off is separated；
Interior clutch 12 is switched to bonding state by discrete state, and after combining to interior clutch 12, outer clutch 11 is from bonding state
It is switched to discrete state, gearbox 1 switches to 4 gear working conditions.
When gearbox 1 is in 4 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives 4 input gears kept off on outer input shaft 13 to turn
Dynamic, the input gears of 4 gears drive the output gears rotation of 4 gears on output shafts 15, and the output gears of 4 gears with 4 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 4 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 4 gear from 9 gears, the shift tooth device 19 and 9 of 9 gears
The input gear of gear can be automatically separated.Specifically, interior after interior clutch 12 is switched to bonding state by discrete state
Clutch 12 will drive outer input shaft 13 to rotate, and outer input shaft 13 is further driven to the rotation of output shaft 15, due to 9 gears at this time
Shift gears tooth device 19 and 9 keep off input gear revolving speed it is no longer identical, therefore 9 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 9 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 9 gears
The input gear that tooth device 19 and 9 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 4 gears from 9 gears
In, first interior clutch 12 can be combined to separate outer clutch 11 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for being down to the downshift process of 3 gears from 4 gears:
When gearbox 1 is in 4 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.As shown in figure 5, being arranged in beside the output gear of 4 gears due to the shift tooth device 19 of 4 gears, the shift tooth of 4 gear
The output gear that device 19 and 4 is kept off engages.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear rotation of 4 gears on 13, the input gear of 4 gears drive the output gear rotation of 4 gears on output shaft 15,4 gears
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 4 gears, by the 4 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 3 gear from 4 gears, as shown in figure 5, the setting of shift tooth device 19 due to 3 gears exists
Beside the output gear of 3 gears, therefore the output gear that the shift tooth device 19 and 3 of 3 gear is kept off engages, at the same time or 3
After the output gear that the shift tooth device 19 and 3 of gear is kept off engages, the output gear that the shift tooth device 19 and 4 of 4 gears is kept off is separated；
Outer clutch 11 is switched to bonding state by discrete state, and after combining to outer clutch 11, interior clutch 12 is from bonding state
It is switched to discrete state, gearbox 1 switches to 3 gear working conditions.
When gearbox 1 is in 3 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives 3 input gears kept off on interior input shaft 14 to turn
Dynamic, the input gears of 3 gears drive the output gears rotation of 3 gears on output shafts 15, and the output gears of 3 gears with 3 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 3 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 3 gear from 4 gears, the shift tooth device 19 and 4 of 4 gears
The output gear of gear can be automatically separated.Specifically, after outer clutch 11 is switched to bonding state by discrete state, outside
Clutch 11 will drive interior input shaft 14 to rotate, and interior input shaft 14 is further driven to the rotation of output shaft 15, due to 4 gears at this time
Shift gears tooth device 19 and 4 keep off output gear revolving speed it is no longer identical, therefore 4 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 4 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 4 gears
The output gear that tooth device 19 and 4 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 3 gears from 4 gears
In, first outer clutch 11 can be combined to separate interior clutch 12 again, realize and shift gears without time delay Non-intermittent.
Above by several examples, upshift and downshift process are carried out illustratively to introduce explanation, for other each
Handoff procedure between gear, it is similar with above-mentioned example.In the embodiment of the present application, the upshift mistake between any two gear
Downshift process between journey and any two gear can be realized no time delay Non-intermittent shift.
In conclusion in technical solution provided by the embodiments of the present application, during gearbox is shifted gears, by means of
The smooth lug boss shifted gears between tooth device and free gear, so that the work of shift the tooth device and the original gear of original gear
Moving gear can be automatically separated, exactly this design, so that during switching to target gear from original gear, Neng Gouxian
The clutch of combining target gear separates the clutch of original gear again, realizes Non-intermittent speed change, does not have time delay in shift.
In the exemplary embodiment, as shown in figure 5, gearbox 1 further includes Power Component 16.Power Component 16 passes through respectively
First connection component 22 and the second connection component 23, are separately connected with interior input shaft 14 and outer input shaft 13.16 energy of Power Component
Power is enough applied by the inside input shaft 14 of the first connection component 22, Power Component 16 also can by the second connection component 23 to
Outer input shaft 13 applies power.
During switching to the second working condition from the first working condition, Power Component 16 passes through the second connection component
23 drive outer input shaft 13 to rotate, so that the free gear 18 of the revolving speed and the second gear of the shift tooth device 19 of the second gear
Revolving speed is identical；To revolving speed it is identical after, the shift tooth device 19 of the second gear is engaged with the free gear 18 of the second gear.
During switching to the first working condition from the second working condition, Power Component 16 passes through the first connection component
22 drive interior input shaft 14 to rotate, so that the free gear 18 of the revolving speed and the first gear of the shift tooth device 19 of the first gear
Revolving speed is identical；To revolving speed it is identical after, the shift tooth device 19 of the first gear is engaged with the free gear 18 of the first gear.
For rising to the upshift process of 2 gears from 1 gear, it is assumed that the input gear of 1 gear and the tooth ratio of the output gear of 1 gear are
The tooth ratio of the output gear of 1:3, the input gear of 2 gears and 2 gears is 1:2.Assuming that under 1 gear working condition, interior input shaft 14
Revolving speed is 3000r/min, then the revolving speed of output shaft 15 is 1000r/min.Under 1 gear working condition, the shift tooth device 19 of 2 gears
Revolving speed it is identical as the revolving speed of output shaft 15, be 1000r/min, but due to 2 gear output gear be free gear, revolving speed
Revolving speed with output shaft 15 may be not identical.In order to which the output gear that the shift tooth device 19 and 2 kept off in control 2 is kept off engages
When, do not occur the case where beating tooth between the two, can control Power Component 16 by the second connection component 23 and drive outer input shaft
13 rotations, the revolving speed for such as controlling outer input shaft 13 is 2000r/min, and the input gear of 2 gears and the tooth ratio of the output gear of 2 gears are
1:2, therefore when the revolving speed of outer input shaft 13 is 2000r/min, the revolving speed of the output gear of 2 gears is 1000r/min.In this way, 2
When the revolving speed of the shift tooth device 19 of gear is with the revolving speed of output gear identical (being 1000r/min) of 2 gears, then control 2 gears
The output gear that shift tooth device 19 and 2 is kept off engages, then is not in the case where beating tooth.
For being down to the downshift process of 4 gears from 9 gears, it is assumed that the input gear of 9 gears and the tooth ratio of the output gear of 9 gears are
The tooth ratio of the output gear of 3:1, the input gear of 4 gears and 4 gears is 1:1.Assuming that under 9 gear working conditions, interior input shaft 14
Revolving speed is 3000r/min, then the revolving speed of output shaft 15 is 9000r/min.Under 9 gear working conditions, the shift tooth device 19 of 4 gears
Revolving speed it is identical as the revolving speed of output shaft 15, be 9000r/min, but due to 4 gear output gear be free gear, revolving speed
Revolving speed with output shaft 15 may be not identical.In order to which the output gear that the shift tooth device 19 and 4 kept off in control 4 is kept off engages
When, do not occur the case where beating tooth between the two, can control Power Component 16 by the second connection component 23 and drive outer input shaft
13 rotations, the revolving speed for such as controlling outer input shaft 13 is 9000r/min, and the input gear of 4 gears and the tooth ratio of the output gear of 4 gears are
1:1, therefore when the revolving speed of outer input shaft 13 is 9000r/min, the revolving speed of the output gear of 4 gears is 9000r/min.In this way, 4
When the revolving speed of the shift tooth device 19 of gear is with the revolving speed of output gear identical (being 9000r/min) of 4 gears, then control 4 gears
The output gear that shift tooth device 19 and 4 is kept off engages, then is not in the case where beating tooth.
Above by several examples, upshift and downshift process are carried out illustratively to introduce explanation, for other each
Handoff procedure between gear, it is similar with above-mentioned example.In the embodiment of the present application, the upshift mistake between any two gear
Downshift process between journey and any two gear is not in the case where beating tooth.In addition, about tooth in above-mentioned example
Carried out than the numerical example of, revolving speed it is exemplary and explanatory, in order to clearly illustrate the principle of technical scheme, in reality
In, suitable tooth ratio can be set according to actual needs and revolving speed, the embodiment of the present application are not construed as limiting this.
Optionally, Power Component 16 includes first motor and the second motor.First motor by the first connection component 22 with
Interior input shaft 14 connects, and the first connection component 22 includes the first driving gear for being set to the power output end of first motor, with
And the first driven gear for being set on interior input shaft 14 and being engaged with the first driving gear；Second motor passes through the second connection group
Part 23 is connect with outer input shaft 13, and the second connection component 23 includes the second driving tooth for being set to the power output end of the second motor
Wheel, and the second driven gear for being set on outer input shaft 13 and being engaged with the second driving gear.By the above-mentioned means, realizing
By the power transmission of Power Component 16 to input shaft, band driven input shaft is rotated.
In conclusion in technical solution provided by the embodiments of the present application, also by the design motivation component in gearbox,
It in shift process, is rotated by Power Component band driven input shaft, so that the shift tooth device and free gear of target gear
Revolving speed is identical and then control the two engages, to avoid the occurrence of the case where beating tooth, promotes the shift performance and use of gearbox
Service life.
In the exemplary embodiment, in conjunction with reference Fig. 6, a kind of structural representation of tooth device 19 of shifting gears is illustrated
Figure.
As shown in fig. 6, shift tooth device 19 includes being set to changing on interior input shaft 14, outer input shaft 13 or output shaft 15
Keep off tooth pedestal 191, and the shift tooth 20 connecting with shift tooth pedestal 191 by spline.Wherein, shift tooth pedestal 191 can be with
It is integrally formed, can also be fixed on the axis on axis.The side of the shift corresponding free gear 18 of tooth device 19, is formed with
Shift tooth fixing groove 21 corresponding with shift tooth 20.
Optionally, it as shown in fig. 6, being formed with the first limiting slot on shift tooth pedestal 191, is formed on tooth 20 of shifting gears and the
Corresponding second limiting slot of one limiting slot.Spring element and the steel ball at the top of spring element are provided in first limiting slot.It can
Selection of land, spring element are spring or other elastomeric elements.In the case where tooth 20 of shifting gears is in discrete state with free gear 18,
A part of steel ball is located in the first limiting slot, and another part is located in the second limiting slot.In the embodiment of the present application, to
The quantity of one limiting slot is not construed as limiting, optionally, the quantity of the first limiting slot be it is multiple, multiple first limiting slot on axis
Even distribution, the quantity of the second limiting slot are identical as the quantity of the first limiting slot.
By the above-mentioned means, enabling to shift gears in the case where tooth 20 of shifting gears is in discrete state with free gear 18
Position between tooth 20 and shift tooth pedestal 191 is more stable.
, can also be by the setting of shift tooth fixing groove on shift tooth pedestal in other possible implementations, the shift
Tooth fixing groove is connect with shift tooth pedestal by spline, and the side of the corresponding free gear of shift tooth device is formed with and shifts gears
The corresponding shift tooth of tooth fixing groove.
One exemplary embodiment of the application additionally provides a kind of automobile, which includes the speed change such as foregoing embodiments introduction
Case.Automobile refers to the vehicle of the non-track carrying by power drive, with 4 or 4 or more wheels, is mainly used for carrying personnel
And/or cargo, draw vehicle or the other specific uses of carrying personnel and/or cargo.In the embodiment of the present application, to vapour
The type of vehicle is not especially limited.
Equipped with the automobile of gearbox provided by the embodiments of the present application, Non-intermittent speed change can be realized, do not have in shift
Time delay, without the pause and transition in rhythm or melody sense generated by time delay, driving experience is more preferably.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The foregoing is merely the exemplary embodiments of the application, all in spirit herein not to limit the application
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (10)
1. a kind of shifting fork mechanism of gearbox, which is characterized in that the shifting fork mechanism includes: shell, is set in the shell
The first fixed block, the second fixed block and movable block, and the shift fork part being connected with the movable block；
The position of first fixed block and second fixed block is fixed；
The movable block is between first fixed block and second fixed block, and the movable block is consolidated with described first
Determine to pass through electromagnetic coupling respectively between block and second fixed block；
One end of the shift fork part is connect with the movable block.
2. shifting fork mechanism according to claim 1, which is characterized in that
Between the movable block and first fixed block, it is provided with the first spring element；
Between the movable block and second fixed block, it is provided with the second spring element.
3. shifting fork mechanism according to claim 1, which is characterized in that
Postive stop baffle is provided between the movable block and the side of the shell；
The movable block it is opposite with the postive stop baffle be formed with lug boss on one side, be formed on the postive stop baffle with it is described
The compatible concave part of lug boss.
4. shifting fork mechanism according to claim 3, which is characterized in that be provided between the postive stop baffle and the shell
Spring element.
5. shifting fork mechanism according to claim 1, which is characterized in that
First fixed block and second fixed block are magnetic identical magnet, and the movable block is electromagnet；
Alternatively,
First fixed block and second fixed block are electromagnet, and the movable block is magnetic metal material；
Alternatively,
First fixed block, second fixed block and the movable block are electromagnet.
6. a kind of gearbox, which is characterized in that the gearbox includes outer clutch, interior clutch, outer input shaft, interior input shaft
And output shaft；
The outer input shaft and the interior input shaft are coaxially arranged；The outer clutch and the interior input axis connection, it is described interior
Clutch and the outer input axis connection；
The outer input shaft and the interior input shaft are equipped with the input gear of various gears, the output shaft be equipped with it is described defeated
Enter the output gear for the various gears that shaft gear is meshed；Wherein, the input gear includes fixed gear and two kinds of free gear
Type, the output gear also include the fixed gear and the free gear two types, and the free gear correspondence is set
It is equipped with shift tooth device；
The gearbox further includes electromagnetism shift fork corresponding with the shift tooth device, and the electromagnetism shift fork is such as claim 1
To 5 described in any item shifting fork mechanisms.
7. gearbox according to claim 6, which is characterized in that shape between the free gear and the shift tooth device
At having the shift tooth being meshed and shift tooth fixing groove, at least one smooth lug boss is formed in the shift tooth fixing groove.
8. gearbox according to claim 7, which is characterized in that the shift tooth fixing groove is annular in shape, and the shift
There are at least two fixed teeth compatible with the shift tooth in tooth fixing groove, it is formed between the two neighboring fixed tooth
The smooth lug boss.
9. gearbox according to claim 6, which is characterized in that the gearbox further includes Power Component；
The Power Component passes through the first connection component and the second connection component respectively, with the interior input shaft and the outer input
Axis is separately connected.
10. gearbox according to claim 9, which is characterized in that
In the first operative state, the outer clutch drives the interior input shaft rotation, and the interior input shaft drives in described
The input gear of the first gear on input shaft rotates, and the input gear of first gear drives described on the output shaft
The output gear of first gear rotates, and the output gear of first gear drives the output shaft rotation；
In a second operative state, the interior clutch drives the outer input shaft rotation, and the outer input shaft drives described outer
The input gear of the second gear on input shaft rotates, and the input gear of second gear drives described on the output shaft
The output gear of second gear rotates, and the output gear of second gear drives the output shaft rotation；
During switching to second working condition from first working condition, the Power Component passes through described the
Two connection components drive the outer input shaft rotation, so that the revolving speed of the shift tooth device of second gear and the second gear
The revolving speed of the free gear of position is identical；To revolving speed it is identical after, the shift tooth device of second gear and second gear
Free gear engagement；The interior clutch combines, after being combined to the interior clutch, the outer clutch separation；
During switching to first working condition from second working condition, the Power Component passes through described the
One connection component drives the interior input shaft rotation, so that the revolving speed of the shift tooth device of first gear and the first gear
The revolving speed of the free gear of position is identical；To revolving speed it is identical after, the shift tooth device of first gear and first gear
Free gear engagement；The outer clutch combines, after being combined to the outer clutch, the interior clutch separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577599.8A CN110307333A (en) | 2019-06-28 | 2019-06-28 | The shifting fork mechanism and gearbox of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577599.8A CN110307333A (en) | 2019-06-28 | 2019-06-28 | The shifting fork mechanism and gearbox of gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN110307333A true CN110307333A (en) | 2019-10-08 |
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ID=68078865
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910577599.8A Pending CN110307333A (en) | 2019-06-28 | 2019-06-28 | The shifting fork mechanism and gearbox of gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259686A1 (en) * | 2019-06-28 | 2020-12-30 | 江苏美械变速箱有限公司 | Shifting mechanism of transmission, and transmission |
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| US4096932A (en) * | 1974-02-07 | 1978-06-27 | Liberty Jr Joseph C | Drive for power transmission |
| US20020088290A1 (en) * | 2001-01-10 | 2002-07-11 | Bowen Thomas C. | Twin clutch automated transaxle with motor/generator synchronization |
| DE102006036758A1 (en) * | 2006-08-05 | 2008-02-28 | Zf Friedrichshafen Ag | Motor vehicle automated double clutch transmission has two engine clutches designed as unsynchronized claw clutches, where two electric machines are provided as starter and synchronizer |
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| WO2020259686A1 (en) * | 2019-06-28 | 2020-12-30 | 江苏美械变速箱有限公司 | Shifting mechanism of transmission, and transmission |
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Application publication date: 20191008 |