CN108561551A - A kind of shift-selecting and changing actuating mechanism and method - Google Patents
A kind of shift-selecting and changing actuating mechanism and method Download PDFInfo
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- CN108561551A CN108561551A CN201810234304.2A CN201810234304A CN108561551A CN 108561551 A CN108561551 A CN 108561551A CN 201810234304 A CN201810234304 A CN 201810234304A CN 108561551 A CN108561551 A CN 108561551A
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- Prior art keywords
- shift
- gear
- sub
- leading screw
- transmission gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
Abstract
The present invention discloses a kind of shift-selecting and changing actuating mechanism, including shift motor, the first transmission gear, the second transmission gear, shift leading screw, pushing block, shift fork, shifting block and linear drive apparatus, the first transmission gear is provided on the output shaft of shift motor, first transmission gear and the engagement of the second transmission gear, second transmission gear is fixedly connected with shift leading screw, shift leading screw is threadedly coupled with pushing block, there is through-hole on pushing block, one end of shifting block is connect with linear drive apparatus, and the other end is aligned after being inserted into through-hole with the groove on shift fork.Linear drive apparatus driving shifting block movement corresponding with the gear of needs, which is inserted into shift fork, shifts gears, then shift motor provides shifting power and drives the rotation of the first transmission gear, and then drive the rotation of the second transmission gear, second drive gears move gear leading screw rotation, leading screw of shifting gears drives pushing block movement by the rotation of itself, pushing block stirs shift fork by shifting block when moving and shifts gears, and improves reliability.Invention additionally discloses a kind of shiftings to execute method.
Description
Technical field
The present invention relates to AMT gearbox gear selectings shift technical field more particularly to a kind of shift-selecting and changing actuating mechanism and methods.
Background technology
New energy power vehicle is quickly grown, and convenient electric resources accelerate the development that automobile automatically controls, and move certainly
Gear becomes the mainstream of new-energy automobile development, and it is by increasing on conventional gearbox to develop faster AMT gearboxes at present
A set of shift-selecting and changing actuating mechanism and TCU controllers realize automatic gear change function.But AMT gearbox shiftings reliability is simultaneously paid no attention to
Think, put into gear unsuccessful and pluck gear and be not thorough and go wrong frequently, seriously affects traffic safety.
Existing market mainstream shift-selecting and changing actuating mechanism operation principle is to realize block selecting function using ball-screw-transmission system,
Gearshift function is realized using ball-screw-transmission system, since each shift fork gap is only 1.8mm, in addition each present in power train
Fit clearance increases the difficulty of lead screw position control, this be also the case where causing vehicle emerged in operation block selecting to fail compared with
More reasons.And it needs to carry out block selecting displacement judgement, and force unbalance of shifting gears, poor reliability.
Therefore, how a kind of shift-selecting and changing actuating mechanism is provided, to improve reliability, be current those skilled in the art urgently
The technical issues of solution.
Invention content
In view of this, the purpose of the present invention is to provide a kind of shift-selecting and changing actuating mechanism, to improve reliability.The present invention's
Another object is to provide a kind of shifting execution method based on above-mentioned shift-selecting and changing actuating mechanism.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of shift-selecting and changing actuating mechanism is used for AMT gearboxes, including shift motor, the first transmission gear, the second driving cog
Wheel, shift leading screw, pushing block, shift fork, shifting block and linear drive apparatus, wherein the shifting block is multiple, the linear drive apparatus
To be multiple, the shift fork is multiple, and the shifting block, the linear drive apparatus are identical with the quantity of the shift fork and correspondence is set
It sets,
First transmission gear, first transmission gear and described are provided on the output shaft of the shift motor
Two transmission gears engage, and second transmission gear is fixedly connected with the shift leading screw, the shift leading screw and the pushing block
It is threadedly coupled,
Through-hole is provided on the pushing block, one end of the shifting block is connect with the linear drive apparatus, and the other end is inserted
Enter in the through-hole and be pierced by the rear groove on the shift fork to be aligned.
Preferably, above-mentioned second transmission gear includes the first sub- gear and the second sub- gear, and the first sub- gear is located at
The side of first transmission gear and engagement, the second sub- gear are located at the other side of first transmission gear and nibble
It closes,
The shift leading screw includes the first sub- leading screw and the second sub- leading screw, the top and described first of the first sub- leading screw
Sub- gear is concentric to be fixedly connected, the top of the second sub- leading screw with the described second sub- gear is concentric is fixedly connected,
Spaced first threaded hole and the second threaded hole are offered on the pushing block, the first sub- leading screw setting exists
In first threaded hole, the second sub- leading screw is arranged in second threaded hole,
The through-hole is arranged between first threaded hole and second threaded hole.
Preferably, the axis of above-mentioned through-hole is vertical with first threaded hole and the axis of the second threaded hole.
Preferably, above-mentioned shifting block is three, and the linear drive apparatus is three, and the shift fork is three.
Preferably, above-mentioned linear drive apparatus is cylinder.
Preferably, the diameter of above-mentioned second transmission gear is more than the diameter of first transmission gear.
Preferably, above-mentioned shift leading screw is threadedly coupled on the specially shift leading screw with the pushing block and is provided with nut,
The nut is fixedly connected with the pushing block.
Preferably, above-mentioned shift-selecting and changing actuating mechanism further includes the groove whether the detection shifting block is inserted into the shift fork
In sensor.
The present invention also provides a kind of shiftings to execute method, based on shift-selecting and changing actuating mechanism described above,
When needing shift, the linear drive apparatus corresponding with the gear of needs drives the shifting block movement to be inserted into institute
It states in shift fork,
Then gear selecting is carried out, shift motor provides shifting power and drives the first transmission gear rotation, and described first passes
Second transmission gear described in moving teeth wheel drive rotates, and second transmission gear drives the shift leading screw rotation, the shift
Leading screw drives the pushing block to move by the rotation of itself, and stirring the shift fork by the shifting block when pushing block moves carries out
Shift.
Preferably, above-mentioned second transmission gear includes the first sub- gear and the second sub- gear, and the first sub- gear is located at
The side of first transmission gear and engagement, the second sub- gear are located at the other side of first transmission gear and nibble
It closes,
The shift leading screw includes the first sub- leading screw and the second sub- leading screw, the top and described first of the first sub- leading screw
Sub- gear is concentric to be fixedly connected, the top of the second sub- leading screw with the described second sub- gear is concentric is fixedly connected,
Spaced first threaded hole and the second threaded hole are offered on the pushing block, the first sub- leading screw setting exists
In first threaded hole, the second sub- leading screw is arranged in second threaded hole,
The through-hole is arranged between first threaded hole and second threaded hole,
The shifting block is multiple, and the linear drive apparatus is multiple, and the shift fork is multiple, and the quantity phase of three
Together,
When needing shift, the linear drive apparatus corresponding with the gear of needs drives the shifting block movement to be inserted into institute
It states in shift fork,
Then gear selecting is carried out, shift motor provides shifting power and drives the first transmission gear rotation, and described first passes
Power is symmetrically transmitted on the described first sub- gear and the second sub- gear by moving gear, the first sub- gear and described
Two sub- gears are transferred power to respectively on the described first sub- leading screw and the second sub- leading screw, by the described first sub- leading screw and institute
The straight reciprocating motion that the forms of motion of rotation is converted to pushing block by the second sub- leading screw is stated, is dialled by described when the pushing block moves
Block stirs the shift fork and shifts gears.
Shift-selecting and changing actuating mechanism provided by the invention is used for AMT gearboxes, including shift motor, the first transmission gear, the
Two transmission gears, shift leading screw, pushing block, shift fork, shifting block and linear drive apparatus, wherein the shifting block is multiple, the straight line
Driving device be it is multiple, the shift fork be it is multiple, the shifting block, the linear drive apparatus it is identical with the quantity of the shift fork and
It is correspondingly arranged, is provided with first transmission gear on the output shaft of the shift motor, first transmission gear and described
Second transmission gear engages, and second transmission gear is fixedly connected with the shift leading screw, and the shift leading screw is pushed away with described
Block is threadedly coupled, and is provided with through-hole on the pushing block, one end of the shifting block is connect with the linear drive apparatus, the other end
It is inserted into the through-hole and is pierced by the rear groove on the shift fork and be aligned.
In use, when needing shift, linear drive apparatus driving shifting block movement corresponding with the gear of needs, which is inserted into, dials
In fork, gear selecting is then carried out, shift motor provides shifting power and drives the rotation of the first transmission gear, the first transmission gear driving the
Two transmission gears rotate, and the second drive gears move gear leading screw rotation, and shift leading screw drives pushing block to move by the rotation of itself
Dynamic, pushing block stirs shift fork by shifting block when moving and shifts gears.Judge to eliminate block selecting displacement, in turn ensures shift stress
Balance is reliable, to improve reliability.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of shift-selecting and changing actuating mechanism provided in an embodiment of the present invention.
In figure 1 above：
Shift motor 1, the first transmission gear 2, the first sub- gear 3, the second sub- gear 4, the first sub- leading screw 5, the second sub- silk
Thick stick 6, pushing block 7, the first cylinder 8, the second cylinder 9, third cylinder 10, the first shifting block 11, the second shifting block 12, third shifting block 13,
One shift fork 14, the second shift fork 15, third shift fork 16, nut 17.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of shift-selecting and changing actuating mechanism provided in an embodiment of the present invention.
Shift-selecting and changing actuating mechanism provided in an embodiment of the present invention is used for AMT gearboxes, including shift motor 1, first is driven
Gear 2, the second transmission gear 3, shift leading screw, pushing block 7, shift fork, shifting block and linear drive apparatus, wherein shifting block be it is multiple, directly
Line driving device is multiple, and shift fork is multiple, and shifting block, linear drive apparatus are identical with the quantity of shift fork and are correspondingly arranged, shift
The first transmission gear 2, the first transmission gear 2 and the engagement of the second transmission gear, the second driving cog are provided on the output shaft of motor 1
Wheel is fixedly connected with shift leading screw, and shift leading screw is threadedly coupled with pushing block, is provided with through-hole on pushing block 7, one end of shifting block and directly
Line driving device connects, and the other end is inserted into through-hole and is pierced by and is aligned afterwards with the groove on shift fork.
In use, when needing shift, linear drive apparatus driving shifting block movement corresponding with the gear of needs, which is inserted into, dials
In fork, gear selecting is then carried out, shift motor 1 provides shifting power and the rotation of the first transmission gear 2, the first transmission gear 2 is driven to drive
Dynamic second transmission gear rotation, the second drive gears move gear leading screw rotation, and shift leading screw is pushed away by the rotation driving of itself
Block 7 moves, and pushing block 7 stirs shift fork by shifting block when moving and shifts gears.Judge so as to eliminate block selecting displacement, in turn ensures
Stress balance of shifting gears is reliable, to improve reliability.
Wherein, the second transmission gear includes the first sub- gear 3 and the second sub- gear 4, and the first sub- gear 3 is located at the first transmission
The side of gear 2 and engagement, the second sub- gear 4 are located at the other side of the first transmission gear 2 and engagement, and shift leading screw includes first
Sub- leading screw 5 and the second sub- leading screw 6, the top of the first sub- leading screw 5 with the first sub- gear 3 is concentric is fixedly connected, the second sub- leading screw 6
Top with the second sub- gear 4 is concentric is fixedly connected, spaced first threaded hole and the second screw thread are offered on pushing block 7
Hole, the first sub- leading screw 5 are arranged in the first threaded hole, and the second sub- leading screw 6 is arranged in the second threaded hole, and through-hole is arranged first
Between threaded hole and the second threaded hole.
When needing shift, linear drive apparatus driving shifting block movement corresponding with the gear of needs is inserted into shift fork, so
After carry out gear selecting, shift motor 1 provides shifting power and drives the rotation of the first transmission gear 2, the first transmission gear 2 that power is symmetrical
It is transmitted on the first sub- gear 3 and the second sub- gear 4, the first sub- gear 3 and the second sub- gear 4 transfer power to first respectively
On sub- leading screw 5 and the second sub- leading screw 6, the forms of motion of rotation is converted into pushing block 7 by the first sub- leading screw 5 and the second sub- leading screw 6
Straight reciprocating motion, pushing block 7 stirs shift fork by shifting block and shifts gears when moving.
Wherein, the axis of through-hole is vertical with the axis of the first threaded hole and the second threaded hole.Linear drive apparatus is cylinder.
The diameter of second transmission gear is more than the diameter of the first transmission gear 2.It is specially shift silk that shift leading screw is threadedly coupled with pushing block 7
Nut 17 is provided on thick stick, nut 17 is fixedly connected with pushing block 7,6 one spiral shell of last setting of the first sub- leading screw 5 and the second sub- leading screw
Mother 17.
Above-mentioned shift-selecting and changing actuating mechanism further includes the sensor for detecting shifting block and whether being inserted into the groove of shift fork, when straight
When line driving device is cylinder, sensor is cylinder stroke sensor.
In order to facilitate understanding, illustrated by taking 5 gear gearboxes as an example below, naturally it is also possible to can be increased according to the increase and decrease of gear
Add block selecting function element quantity to realize more gear block selecting functions：
At this point, shifting block is three, and respectively the first shifting block 11, the second shifting block 12 and third shifting block 13, linear drive apparatus
It it is three, i.e., cylinder is three, respectively the first cylinder 8, the second cylinder 9 and third cylinder 10, and shift fork is three, respectively the
One shift fork 14, the second shift fork 15 and third shift fork 16, the first cylinder 8, the first shifting block 11 and the first shift fork 14 are used cooperatively, and second
Cylinder 9, the second shifting block 12 and the second shift fork 15 are used cooperatively, and third cylinder 10, third shifting block 13 and the cooperation of third shift fork 16 make
With, wherein the first shift fork 14 corresponds to 1 gear and reverses gear, and the second shift fork 15 corresponds to 2 gears and 3 gears, and third shift fork 16 corresponds to 4 gears and 5
Gear.
When the controller of vehicle send out 4 gears put into gear demand when, then third cylinder corresponding with 4,5 gears 10 executes action,
Third shifting block 13 is pushed, third shifting block 13 is moved along through-hole and kept off in corresponding third shift fork 16 until being inserted into 4,5, cylinder row
Journey sensor, which is sent out, reaches target position signal to controller, completes block selecting action so far, then shift motor 1 drives
Pushing block 7 moves, so that shift fork moves, completes to hang shelves.If shift fork, which moves forward, hangs 4 gears, shift motor 1 will drive
Pushing block 7 moves forward, if shift fork moves backward 4 gear of extension, shift motor 1 will drive pushing block 7 to move backward.
If current shift is in 4 gears, and the controller of vehicle sends out 5 gear demands, then is not necessarily to block selecting, is driven in shift motor 1
Under so that shift fork moves in the opposite direction, is done directly 4 gears and hangs 5 gears.During the block selecting, third shifting block 13 is in third
It under cylinder 10 acts on, moves down 10mm and block selecting can be completed, which completes required time ratio and use rolling in the prior art
Ballscrew block selecting system is fast.
If current shift is in 4 gears, and the controller of vehicle sends out 1 gear demand, then shift motor 1 drives pushing block to reset, so
Third cylinder 10 drives third shifting block 13 to be exited from third shift fork 16 afterwards, and action is executed with 1, corresponding first cylinder 8 that reverses gear,
First shifting block 11 is pushed, two actions can be carried out at the same time, and action later is with reference to explanation above.
Reverse gear, 1 gear, 2 gear and 3 gear gear selecting and shift be same as above.
Shift-selecting and changing actuating mechanism provided in an embodiment of the present invention, the mechanism compared with prior art, are no longer changed using single
Gear refers to shifting, but with three independent cylinders, individually three shifting blocks of control carry out block selecting, then use symmetrical ball
Lead screw transmission is shifted gears, and has both eliminated block selecting displacement judgement in this way, in turn ensures that shift stress balance is reliable.Three independent
Cylinder can realize continuous block selecting and jump block selecting, you can realize continuously to put into gear and pluck gear, can also realize that jump is put into gear and pluck gear.Meanwhile
Using gear reduction, the first transmission gear 2 and the second driving cog are increased than before again in ball-screw primary speed-down
The double reduction ratio of wheel, greatly realizes the effect of deceleration torque, that is, increases gear shifting force and reduced again to power of motor
It is required that increasing the reliability of motor.
In actual work, there are three independent identical cylinders by gear-selecting cylinder row；Shift motor 1 provides shifting power,
Equipped with pinion shaft for installing the first transmission gear 2 on shift motor 1, as power input shaft, pinion gear and two dresses
Sub- 3 and second sub- gear 4 of the gear engagement of gear wheel on leading screw, i.e. the first of the second transmission gear, power is symmetrically transmitted
Onto two gear wheels, gear wheel is connect with leading screw by fixed keyway, and two gear wheels transfer power on leading screw respectively,
The forms of motion rotated by ball-screw-transmission adjutant is converted to the straight reciprocating motion of nut, the symmetrical ball-screw spiral shell in both sides
Mother's movement synchronizes, and both sides nut 17 is fixedly connected with 7 bolt of pushing block, thrust is synchronized and is transmitted on pushing block 7, has among pushing block 7
Shifting block slides up and down slot, i.e. through-hole, and shifting block is depressed into shift fork by the corresponding cylinder of required gear, and cylinder stroke sensor is sent out
The signal of target location is reached to controller, completes block selecting action in this way, shifting block will be stirred under the promotion of pushing block
Fork is shifted gears.
Involved in shift-selecting and changing actuating mechanism provided in an embodiment of the present invention to shifting block be that flat-pushing mode is realized and put into gear, this
It is simpler to shifting block head construction requirement to plant mode of putting into gear, is easier to process and be heat-treated.
Shift-selecting and changing actuating mechanism provided in an embodiment of the present invention uses electronic shift and pneumatic gear, each shift fork to have certainly
Oneself independent shifting block and cylinder, each cylinder have independent cylinder stroke sensor, the ball wire in being different from the prior art
Thick stick formula block selecting mode, block selecting mode only needs the plug of shifting block to act i.e. in shift-selecting and changing actuating mechanism provided in an embodiment of the present invention
Block selecting can be completed, and under the control of the controller of vehicle, the uplink and downlink action of different shifting blocks can be carried out at the same time, greatly
Shorten the block selecting time greatly；Shift in being different from the prior art refers to sliding wear shift mode, and choosing provided in an embodiment of the present invention is changed
It is flat push type to keep off shift mode in executing agency, and the direction of power improves transmission efficiency as the shift fork axle direction of motion；Pass through
Ball-screw is arranged symmetrically the stress for balancing ball screw assembly, can extend the ball-screw service life；By increasing The gear deceleration
Combination, realizes deceleration torque effect, can reduce power demand of motors, increases the gear shifting force of shifting block, ensures shift reliability.This
The shift-selecting and changing actuating mechanism that inventive embodiments provide has shift time shorter, and shifting reliability is high, the big advantage of gear shifting force,
And then vehicle operation is more stable；Shift-selecting and changing actuating mechanism provided in an embodiment of the present invention is simple in structure, only needs a motor
It realizes shift, is easier to realize.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of shift-selecting and changing actuating mechanism, be used for AMT gearboxes, which is characterized in that including shift motor, the first transmission gear,
Second transmission gear, shift leading screw, pushing block, shift fork, shifting block and linear drive apparatus, wherein the shifting block be it is multiple, it is described straight
Line driving device is multiple, and the shift fork is multiple, and the shifting block, the linear drive apparatus are identical with the quantity of the shift fork
And be correspondingly arranged,
First transmission gear is provided on the output shaft of the shift motor, first transmission gear and described second pass
Moving gear engages, and second transmission gear is fixedly connected with the shift leading screw, the shift leading screw and the pushing block screw thread
Connection,
Through-hole is provided on the pushing block, one end of the shifting block is connect with the linear drive apparatus, and the other end is inserted into institute
It states in through-hole and is pierced by the rear groove on the shift fork and be aligned.
2. shift-selecting and changing actuating mechanism according to claim 1, which is characterized in that second transmission gear includes the first son
Gear and the second sub- gear, the first sub- gear are located at the side of first transmission gear and engagement, the second sub- tooth
Wheel is located at the other side of first transmission gear and engagement,
The shift leading screw includes the first sub- leading screw and the second sub- leading screw, top and the described first sub- tooth of the first sub- leading screw
Take turns it is concentric be fixedly connected, the top of the second sub- leading screw with the described second sub- gear is concentric is fixedly connected,
Spaced first threaded hole and the second threaded hole are offered on the pushing block, the first sub- leading screw is arranged described
In first threaded hole, the second sub- leading screw is arranged in second threaded hole,
The through-hole is arranged between first threaded hole and second threaded hole.
3. shift-selecting and changing actuating mechanism according to claim 2, which is characterized in that the axis of the through-hole and first spiral shell
The axis of pit and second threaded hole is vertical.
4. shift-selecting and changing actuating mechanism according to claim 2, which is characterized in that the shifting block is three, and the straight line drives
Dynamic device is three, and the shift fork is three.
5. shift-selecting and changing actuating mechanism according to claim 1, which is characterized in that the linear drive apparatus is cylinder.
6. shift-selecting and changing actuating mechanism according to claim 1, which is characterized in that the diameter of second transmission gear is more than
The diameter of first transmission gear.
7. shift-selecting and changing actuating mechanism according to claim 1, which is characterized in that the shift leading screw and the pushing block screw thread
Connection is specially to be provided with nut on the shift leading screw, and the nut is fixedly connected with the pushing block.
8. shift-selecting and changing actuating mechanism according to claim 1, which is characterized in that further include whether the detection shifting block is inserted into
To the sensor in the groove of the shift fork.
9. a kind of shifting executes method, which is characterized in that based on the shift-selecting and changing actuating mechanism described in the claims 1,
When needing shift, the linear drive apparatus corresponding with the gear of needs drives the shifting block movement to be inserted into described dial
In fork,
Then gear selecting is carried out, shift motor provides shifting power and drives the first transmission gear rotation, first driving cog
Second transmission gear described in wheel drive rotates, and second transmission gear drives the shift leading screw rotation, the shift leading screw
The pushing block movement, the pushing block is driven to stir the shift fork by the shifting block when moving and changed by the rotation of itself
Gear.
10. shifting according to claim 9 executes method, which is characterized in that second transmission gear includes first
Sub- gear and the second sub- gear, the first sub- gear are located at the side of first transmission gear and engagement, second son
Gear is located at the other side of first transmission gear and engagement,
The shift leading screw includes the first sub- leading screw and the second sub- leading screw, top and the described first sub- tooth of the first sub- leading screw
Take turns it is concentric be fixedly connected, the top of the second sub- leading screw with the described second sub- gear is concentric is fixedly connected,
Spaced first threaded hole and the second threaded hole are offered on the pushing block, the first sub- leading screw is arranged described
In first threaded hole, the second sub- leading screw is arranged in second threaded hole,
The through-hole is arranged between first threaded hole and second threaded hole,
When needing shift, the linear drive apparatus corresponding with the gear of needs drives the shifting block movement to be inserted into described dial
In fork,
Then gear selecting is carried out, shift motor provides shifting power and drives the first transmission gear rotation, first driving cog
Power is symmetrically transmitted on the described first sub- gear and the second sub- gear by wheel, the first sub- gear and second son
Gear is transferred power to respectively on the described first sub- leading screw and the second sub- leading screw, by the described first sub- leading screw and described
The forms of motion of rotation is converted to the straight reciprocating motion of pushing block by two sub- leading screws, is passed through the shifting block when pushing block moves and is dialled
The shift fork is moved to shift gears.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234304.2A CN108561551B (en) | 2018-03-21 | 2018-03-21 | Gear selecting and shifting executing mechanism and method |
| EP18910896.2A EP3770468B1 (en) | 2018-03-21 | 2018-06-20 | Gear selection and shifting actuating mechanism and method |
| PCT/CN2018/091970 WO2019178959A1 (en) | 2018-03-21 | 2018-06-20 | Gear selection and shifting actuating mechanism and method |
| US16/957,221 US11506283B2 (en) | 2018-03-21 | 2018-06-20 | Gear selection and shifting actuating mechanism and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234304.2A CN108561551B (en) | 2018-03-21 | 2018-03-21 | Gear selecting and shifting executing mechanism and method |
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| Publication Number | Publication Date |
|---|---|
| CN108561551A true CN108561551A (en) | 2018-09-21 |
| CN108561551B CN108561551B (en) | 2023-10-20 |
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| CN201810234304.2A Active CN108561551B (en) | 2018-03-21 | 2018-03-21 | Gear selecting and shifting executing mechanism and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081153A (en) * | 2019-06-10 | 2019-08-02 | 宁波市奉化强敏龙森电器有限公司 | A kind of electric pushrod structure |
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| US5507196A (en) * | 1991-11-12 | 1996-04-16 | Zf Friedrichshafen Ag | Gearshifting arrangement for actuating motor vehicle multi-speed gearboxes |
| WO2015154769A1 (en) * | 2014-04-11 | 2015-10-15 | Schaeffler Technologies AG & Co. KG | Transmission actuator for a motor vehicle transmission, and control means for controlling a transmission actuator |
| CN105909777A (en) * | 2016-06-23 | 2016-08-31 | 陕西法士特齿轮有限责任公司 | Automatic control device |
| CN206785990U (en) * | 2017-05-08 | 2017-12-22 | 吉林大学 | New-energy automobile electric-controlled mechanical linear shift automatic transmission |
| CN208153713U (en) * | 2018-03-21 | 2018-11-27 | 潍柴动力股份有限公司 | A kind of shift-selecting and changing actuating mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110081153A (en) * | 2019-06-10 | 2019-08-02 | 宁波市奉化强敏龙森电器有限公司 | A kind of electric pushrod structure |
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