CN109163088A - A kind of speed changer is electronic to select gear change system and automobile - Google Patents
A kind of speed changer is electronic to select gear change system and automobile Download PDFInfo
- Publication number
- CN109163088A CN109163088A CN201811271861.8A CN201811271861A CN109163088A CN 109163088 A CN109163088 A CN 109163088A CN 201811271861 A CN201811271861 A CN 201811271861A CN 109163088 A CN109163088 A CN 109163088A
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- Prior art keywords
- selector fork
- gear
- motor
- module
- speed changer
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0437—Smoothing ratio shift by using electrical signals
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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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H2061/0474—Smoothing ratio shift by smoothing engagement or release of positive clutches; Methods or means for shock free engagement of dog clutches
-
- 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
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
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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
- F16H2063/321—Gear shift yokes, e.g. shift forks characterised by the interface between fork body and shift rod, e.g. fixing means, bushes, cams or pins
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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
- F16H2063/324—Gear shift yokes, e.g. shift forks characterised by slide shoes, or similar means to transfer shift force to sleeve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention discloses that a kind of speed changer is electronic to select gear change system and automobile, speed changer is electronic, and to select gear change system include control module, drive module, execution module, the control module connects the drive module and the execution module, to monitor the berth-changing strength and gear shift stroke of the execution module reality output, and send the instruction for adjusting berth-changing strength in real time to the drive module, instruction of the drive module to receive the control module, and the execution module is driven to carry out selecting gear-change operation, the execution module includes selector fork, it is moved left and right by selector fork, and then synchronizer is pushed to complete to hang shelves and pluck shelves movement.The present invention, which is able to achieve, is in real time accurately adjusted berth-changing strength and gear shift stroke, guarantee that synchronizer always works under optimum state, it avoids because of shifting shock problem caused by berth-changing strength is excessive, gear shift noise is effectively reduced, the problem of increasing the synchronizer service life, while also avoiding cannot hanging in time because berth-changing strength is too small grade.
Description
Technical field
Gear change system and automobile are selected the present invention relates to automobile technical field more particularly to a kind of speed changer are electronic.
Background technique
Current double-clutch speed changer, AMT and 2 grade of reduction gearbox shift mechanism mostly use greatly hydraulic control mode, disadvantage
End is that shifting speed is slow, gear shift low efficiency, cannot achieve the adjusting of gear shifting force closed loop, and gear shift precision is poor.Part is using electronic
Control mode, but equally real-time monitoring and gear shifting force under different gear shift strokes can not be adjusted, it can not achieve berth-changing strength and close
Ring control, gearshift control precision are poor.Since current gear-shifting actuating mechanism can not accurately adjust berth-changing strength in real time, lead to gear shift
Synchronizer can not be made to always work in optimum state in the process, be easy to cause shifting shock, noise is larger, reduces the synchronizer longevity
Life.
Summary of the invention
It is an object of the invention to it is a kind of be able to achieve provided under different gear shift strokes different berth-changing strengths speed changer it is electronic
Select gear change system and automobile.
To achieve the above object, the present invention provides that a kind of speed changer is electronic to select gear change system, including control module, driving mould
Block, execution module, the control module connect the drive module and the execution module, real to monitor the execution module
The berth-changing strength and gear shift stroke of border output, and send the instruction for adjusting berth-changing strength, the driving mould in real time to the drive module
Block drives the execution module to carry out selecting gear-change operation, the execution module packet to receive the instruction of the control module
Selector fork is included, is moved left and right by selector fork, and then synchronizer is pushed to complete to hang shelves and pluck shelves movement.
In one embodiment, the drive module includes motor and transmission device, and the control module passes through control
The motor controls the drive module.
In one embodiment, the transmission device includes worm gear, worm screw, and the worm screw connects the motor, described
Worm gear connects the execution module, and the motor carries out selecting gear-change operation by execution module described in the worm gear, worm drive.
In one embodiment, the worm gear is fixed with lead screw, is correspondingly provided with feed screw nut on the selector fork, makes
Worm gear rotation is obtained, lead screw accordingly rotates, and feed screw nut drives selector fork to move left and right under the driving of lead screw.
In one embodiment, the angular transducer to detect motor corner, the angle are installed in the motor
It spends sensor and connects the control module, corner information is transferred to the control module, the control module will be described
Corner information is converted into the gear shift displacement of the selector fork reality output.
In one embodiment, the selector fork is equipped with foil gauge in side, and the foil gauge connects the control
Module, the deformation data of the selector fork sensed is transferred to the control module, the control module is by the shape
Become the berth-changing strength that information is converted into the selector fork reality output.
In one embodiment, the execution module includes the baffle to install the selector fork, the baffle
Equipped with guide rail, the selector fork side is correspondingly provided with guide groove, and the guide groove and the guide rail cooperate, to change described
Shelves shift fork is oriented to.
A kind of speed changer is electronic to select gear change system, including transmission control unit, motor, transmission device, selector fork；Institute
It states motor and selector fork is connected by transmission device, move left and right selector fork, and then synchronizer is pushed to complete to hang shelves and pluck
Shelves movement；The selector fork is equipped with foil gauge in side, and the foil gauge connects the transmission control unit, will feel
The deformation data for the selector fork that should be arrived is transferred to the transmission control unit；It is equipped in the motor to detect motor
The angular transducer of corner, the angular transducer connects the transmission control unit, corner information is transferred to institute
State transmission control unit；The transmission control unit connects the motor for driving the motor, the speed changer control
The deformation data is converted into the berth-changing strength of the selector fork reality output by unit processed, and the corner information is converted into institute
The gear shift displacement for stating selector fork reality output, is displaced, by controlling motor according to the berth-changing strength of the reality output and gear shift
Electric current and information of voltage, to adjust the berth-changing strength of the selector fork.
In one embodiment, the transmission device includes worm gear, worm screw, and the worm screw connects the motor, described
Worm gear connects the execution module, and the motor carries out selecting gear-change operation by execution module described in the worm gear, worm drive,
The worm gear is fixed with lead screw, is correspondingly provided with feed screw nut on the selector fork, so that worm gear rotates, lead screw is accordingly rotated,
Feed screw nut drives selector fork to move left and right under the driving of lead screw.
A kind of automobile, has that speed changer as described above is electronic selects gear change system.
Speed changer of the present invention is electronic to select gear change system and automobile to connect drive module and execution module by control module, uses
To monitor the berth-changing strength and gear shift stroke of execution module reality output, and send the finger for adjusting berth-changing strength in real time to drive module
It enables, so as to realize that the berth-changing strength to reality output is accurately monitored with gear shift stroke, is closed with motor input signal formation
Ring control, and then realize and berth-changing strength and gear shift stroke are accurately adjusted in real time, guarantee that synchronizer always works in best shape
Under state, avoids because shifting shock problem caused by berth-changing strength is excessive, is effectively reduced gear shift noise, increases the synchronizer service life,
The problem of also avoiding cannot hanging in time because berth-changing strength is too small simultaneously grade.
Detailed description of the invention
Fig. 1 is the electronic block diagram for selecting gear change system of speed changer of the embodiment of the present invention.
Fig. 2 is the electronic perspective view for selecting drive module and execution module in gear change system of speed changer shown in Fig. 1.
Fig. 3 is the main view of motor and worm screw in drive module shown in Fig. 2.
Fig. 4 is the electronic perspective view for selecting support frame in gear change system of speed changer shown in Fig. 1.
Fig. 5 is the perspective view of another angle of support construction shown in Fig. 4.
Fig. 6 is the perspective view of selector fork in execution module shown in Fig. 2.
Fig. 7 is the perspective view of lead screw assembly in execution module shown in Fig. 2.
Fig. 8 is the perspective view of baffle in execution module shown in Fig. 2.
Fig. 9 is the perspective view of another angle of baffle shown in Fig. 8.
Wherein: 1- DC brushless motor, 2- support frame, 3- square seal ring, 4- baffle, 5- bearing, 6- lead screw, 7- strain
Piece, 8- selector fork, 9- worm gear, 10- worm screw, 11- plug, 12-O type circle, 13- first bearing seat, 14- guide rail, 15- plug
Hole, 16- bolt hole, 17- motor fixed column, 18- endless screw support, 19- second bearing seat, 20- baffle positioning face, 21- guide groove,
22- feed screw nut
Specific embodiment
The specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.Now combine
The present invention is described in detail in attached drawing.
As shown in Figure 1, speed changer is electronic to select gear change system to include control module, drive module, execute mould in the present embodiment
Block.Control module connects the drive module and the execution module, to monitor the gear shift of the execution module reality output
Power and gear shift stroke, and send the instruction for adjusting berth-changing strength in real time to the drive module.Drive module is to receive the control
The instruction of molding block, and the execution module is driven to carry out selecting gear-change operation.Execution module includes selector fork, is dialled by gear shift
Fork moves left and right, and then synchronizer is pushed to complete to hang shelves and pluck shelves movement.In the present embodiment, control module is transmission control list
Member.
As shown in Fig. 2 to Fig. 9, in the present embodiment, drive module and execution module are by motor 1, support frame 2, quad seal
Enclose 3, baffle 4, bearing 5, lead screw 6, foil gauge 7, selector fork 8, worm gear 9, worm screw 10, plug 11, O-ring 12, first bearing
Seat 13, guide rail 14, plug hole 15, bolt hole 16, motor fixed column 17, endless screw support 18, second bearing seat 19, baffle positioning face
20, the components such as guide groove 21, feed screw nut 22 form.
In the present embodiment, the drive module includes motor 1 and transmission device, and the control module is by controlling the electricity
Machine 1 controls the drive module.Motor 1 is DC brushless motor, and transmission device includes worm gear 9, worm screw 10, the worm screw 10
The motor 1 is connected, the worm gear 9 connects the execution module, and the motor 1 drives described by the worm gear 9, worm screw 10
Execution module carries out selecting gear-change operation.
In the present embodiment, support frame 2 is the support construction of entire mechanism.4 motor fixed columns are welded at the top of support frame 2
17, which is fixed motor 1 by bolt.There is 12 installation groove of O-ring in 2 top center of support frame, uses
It is fixed in O-ring 12, motor 1 and the faying face of support frame 2 is sealed.2 bottom surface of support frame has square groove,
For installing square seal ring 3, the faying face of support frame and case of transmission is sealed.Plug is had at the top of support frame 2
Hole 15 is fixed plug 11 by interference fit, and plug 11 is connect by conducting wire with foil gauge 7.
1 output shaft of motor is connect with worm screw 10 by spline, the endless screw support 18 of the lower section of support frame 2 be used for worm screw 10 into
Row is fixed.
There is baffle positioning face 20 on the right side of support frame 2, for installing baffle 4, is bolted.Have below support frame 2
Two bearing bracket 19 is equipped with bearing 5 and lead screw 6 between the first bearing seat 13 in second bearing seat 19 and baffle 4.Lead screw 6
There is square block in side, is fixed by being interference fitted with worm gear 9, worm gear 9 is cooperated with worm screw 10.
The 8 middle part left and right sides of selector fork is pasted with foil gauge 7, for detecting to berth-changing strength.Top center welding
There is feed screw nut 22, is cooperated with lead screw 6.There is guide groove 21 in 8 side of selector fork, is matched with the guide rail 14 on baffle 4
It closes, play the guiding role to selector fork 8, avoid shift fork double swerve.Baffle 4 and guide rail 14 pass through welded connecting.
In the present embodiment, control module includes gear box control unit TCU (not shown) and power supply (not shown), power supply with
TCU is mounted on outside speed changer, is connected by conducting wire, and for powering to TCU, TCU passes through conducting wire phase by conducting wire and motor 1
Even, it is used for driving motor 1, TCU is connected by conducting wire with foil gauge 7, and centre carries out the transfer of speed changer inside and outside by plug 11,
The collected shift fork deformation signal of foil gauge 7, which is transferred in TCU, to be handled, and practical berth-changing strength is converted thereof into.
The electronic course of work for selecting gear change system of speed changer is described below.When hang shelves and pluck shelves movement, TCU passes through
Internal arithmetic exports target shift power required for corresponding gear and gear shift stroke control signal to motor 1, to motor 1 into
Row driving, motor 1 drive the worm screw 10 being fixed on endless screw support 18 to be rotated, and worm screw 10 drives worm gear 9 to be rotated, Gu
The lead screw 6 being scheduled on worm gear 9 is correspondingly rotated, and the feed screw nut 22 on selector fork 8 drives under the driving of lead screw 6
Selector fork 8 moves left and right, and then synchronizer is pushed to complete to hang shelves and pluck shelves movement.In the process, answering on selector fork 8
Become the deformation that piece 7 senses selector fork 8 to converse actual so as to which deformation data is transferred to TCU by plug 11
Berth-changing strength size.First bearing seat 13 guarantees that entire mechanism runs smoothly with the bearing 5 installed in second bearing seat 19, baffle 4
On guide rail 14 guarantee selector fork 8 run smoothly, do not swing.In the process, Hall sensor is installed inside motor 1
Or other angular transducers can detect 1 corner of motor, angular signal be fed back to TCU by conducting wire, TCU passes through whole
The transmission ratio of a system converts, it can be deduced that the displacement of practical selector fork 8, TCU can also pass through the strain on selector fork 8
The signal that piece 7 exports calculates practical berth-changing strength, compares with target shift power, to form target shift power and actually change
Closed loop between shelves power is adjusted, and is made entire gearshift procedure work in optimum state, is guaranteed service life and the gear shift NVH of synchronizer
Energy.
Since the mechanism is in such a way that worm screw 10 and worm gear 9 cooperate, which may be implemented self-locking function, i.e. gear shift is dialled
It after fork 8 reaches target position, closes in the state of the driving of motor 1, selector fork 8 can be under the cooperation of worm screw 10 and worm gear 9
It realizes and locks, be not displaced generation, which can not only cancel the spring steel ball self-locking mechanism on traditional shift fork, but also may be implemented
It closes motor 1 when acting without gear shift to drive, to reduce the power consumption of entire mechanism.
The present embodiment also provides a kind of automobile, has that speed changer as described above is electronic selects gear change system.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of speed changer is electronic to select gear change system, which is characterized in that described including control module, drive module, execution module
Control module connects the drive module and the execution module, to monitor the berth-changing strength of the execution module reality output with
Gear shift stroke, and send the instruction for adjusting berth-changing strength in real time to the drive module, the drive module is to receive the control
The instruction of molding block, and the execution module is driven to carry out selecting gear-change operation, the execution module includes selector fork, by changing
Shelves shift fork moves left and right, and then synchronizer is pushed to complete to hang shelves and pluck shelves movement.
2. speed changer as described in claim 1 is electronic to select gear change system, which is characterized in that the drive module include motor with
Transmission device, the control module control the drive module by controlling the motor.
3. as claimed in claim 2, speed changer is electronic selects gear change system, which is characterized in that the transmission device include worm gear,
Worm screw, the worm screw connect the motor, and the worm gear connects the execution module, and the motor passes through the worm gear, worm screw
The execution module is driven to carry out selecting gear-change operation.
4. speed changer as claimed in claim 3 is electronic to select gear change system, which is characterized in that the worm gear is fixed with lead screw, institute
It states and is correspondingly provided with feed screw nut on selector fork, so that lead screw accordingly rotates, drive of the feed screw nut in lead screw in worm gear rotation
Dynamic lower drive selector fork moves left and right.
5. speed changer as claimed in claim 2 is electronic to select gear change system, which is characterized in that be equipped in the motor to examine
The angular transducer of measured motor corner, the angular transducer connects the control module, corner information is transferred to institute
Control module is stated, the gear shift that the corner information is converted into the selector fork reality output is displaced by the control module.
6. speed changer as described in claim 1 is electronic to select gear change system, which is characterized in that the selector fork is equipped in side
Foil gauge, the foil gauge connect the control module, described the deformation data of the selector fork sensed to be transferred to
The deformation data is converted into the berth-changing strength of the selector fork reality output by control module, the control module.
7. speed changer as described in claim 1 is electronic to select gear change system, which is characterized in that the execution module includes to pacify
The baffle of the selector fork is filled, the baffle is equipped with guide rail, and the selector fork side is correspondingly provided with guide groove, the guiding
Slot and the guide rail cooperate, to be oriented to the selector fork.
8. a kind of speed changer is electronic to select gear change system, which is characterized in that including transmission control unit, motor, transmission device, change
Shelves shift fork；The motor connects selector fork by transmission device, moves left and right selector fork, and then synchronizer is pushed to complete
It hangs shelves and plucks shelves movement；The selector fork is equipped with foil gauge in side, and the foil gauge connects the transmission control unit,
The deformation data of the selector fork sensed is transferred to the transmission control unit；Be equipped in the motor to
The angular transducer of motor corner is detected, the angular transducer connects the transmission control unit, to by corner information
It is transferred to the transmission control unit；The transmission control unit connects the motor and is used to drive the motor, described
The deformation data is converted into the berth-changing strength of the selector fork reality output by transmission control unit, by the corner information
It is converted into the gear shift displacement of the selector fork reality output, is displaced, is passed through according to the berth-changing strength of the reality output and gear shift
The electric current and information of voltage of motor are controlled, to adjust the berth-changing strength of the selector fork.
9. speed changer as claimed in claim 8 is electronic to select gear change system, which is characterized in that the transmission device include worm gear,
Worm screw, the worm screw connect the motor, and the worm gear connects the execution module, and the motor passes through the worm gear, worm screw
The execution module is driven to carry out selecting gear-change operation, the worm gear is fixed with lead screw, is correspondingly provided with lead screw on the selector fork
Nut, so that worm gear rotates, lead screw is accordingly rotated, and feed screw nut drives selector fork to move left and right under the driving of lead screw.
10. a kind of automobile, which is characterized in that have the speed changer as described in any in claim 1 to 9 is electronic to select gear shift system
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271861.8A CN109163088A (en) | 2018-10-29 | 2018-10-29 | A kind of speed changer is electronic to select gear change system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271861.8A CN109163088A (en) | 2018-10-29 | 2018-10-29 | A kind of speed changer is electronic to select gear change system and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN109163088A true CN109163088A (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271861.8A Pending CN109163088A (en) | 2018-10-29 | 2018-10-29 | A kind of speed changer is electronic to select gear change system and automobile |
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| CN (1) | CN109163088A (en) |
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| CN110081165A (en) * | 2019-04-08 | 2019-08-02 | 湖北汽车工业学院 | A kind of automatic speed changer for machine drive range automatic calibration method |
| CN110864845A (en) * | 2019-11-26 | 2020-03-06 | 一汽解放汽车有限公司 | System and method for testing gear shifting force at shifting block under working state of transmission |
| CN112297869A (en) * | 2019-07-29 | 2021-02-02 | 广州汽车集团股份有限公司 | Gear shifting control device and method and automobile |
| DE102019123288A1 (en) * | 2019-08-30 | 2021-03-04 | Oechsler Ag | Gear shift for an electromotive auxiliary bicycle drive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110081165A (en) * | 2019-04-08 | 2019-08-02 | 湖北汽车工业学院 | A kind of automatic speed changer for machine drive range automatic calibration method |
| CN112297869A (en) * | 2019-07-29 | 2021-02-02 | 广州汽车集团股份有限公司 | Gear shifting control device and method and automobile |
| CN112297869B (en) * | 2019-07-29 | 2022-04-26 | 广州汽车集团股份有限公司 | Gear shifting control device and method and automobile |
| DE102019123288A1 (en) * | 2019-08-30 | 2021-03-04 | Oechsler Ag | Gear shift for an electromotive auxiliary bicycle drive |
| CN110864845A (en) * | 2019-11-26 | 2020-03-06 | 一汽解放汽车有限公司 | System and method for testing gear shifting force at shifting block under working state of transmission |
| CN110864845B (en) * | 2019-11-26 | 2021-12-14 | 一汽解放汽车有限公司 | System and method for testing gear shifting force at shifting block under working state of transmission |
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Application publication date: 20190108 |