CN101210614A - Automatic gearshift - Google Patents
Automatic gearshift Download PDFInfo
- Publication number
- CN101210614A CN101210614A CNA2006101722941A CN200610172294A CN101210614A CN 101210614 A CN101210614 A CN 101210614A CN A2006101722941 A CNA2006101722941 A CN A2006101722941A CN 200610172294 A CN200610172294 A CN 200610172294A CN 101210614 A CN101210614 A CN 101210614A
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- Prior art keywords
- groove
- shifting cam
- trough
- crest
- cam
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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
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
- F16H63/18—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
Abstract
The invention provides an automatic shifting device which comprises a driving unit, a transmission unit, a shifting cam and an execution unit, wherein the execution unit comprises a shift fork shaft with an axial direction in parallel to the shifting cam, at least one shift fork movably connected with the shift fork shaft and capable of moving in the axial direction of the shift fork shaft, and slippers fixedly connected with the at least one shift fork individually; at least one groove is provided on the outer circumferential surface of the shifting cam and each slipper is positioned inside the corresponding groove; and each groove has at least one wave ridge and/or one wave hollow. According to the inventive automatic shifting device, the gear number is implemented with the change of grooves on the outer circumferential surface of the shifting cam, so as to solve the problem that the prior art has high cost and difficulty in manufacturing shifting cams. Additionally, the gear is shifted only by axially moving the shift fork on the shift fork shaft without an extra rotation, thereby improving the reliability.
Description
Technical field
The present invention relates to a kind of automatic shift-shifting device of speed changer.
Background technique
In traditional manually keep off a car, the driver need constantly adjust the velocity ratio of gearbox according to different road conditions, is to move in preferable running state thereby make gross vehicle.And the adjustment of gearbox velocity ratio to be the driver realize with the gear (i.e. gearshift) that changes gearbox by stirring speed change lever.
Yet the driver needs to concentrate one's energy to observe the road conditions and the vehicle condition of road in driving procedure, needs the driver constantly to stir speed change lever simultaneously, and this can disperse driver's attention undoubtedly.And owing to the skilled gradually process of needs of shifting gears according to road conditions, thereby for the people of the car that just contacts vehicle, manual shift becomes no small obstacle.
At present, there has been increasing automatic gear shift apparatus to be applied to vehicle.Chinese patent ZL97226477.9 discloses a kind of automatic gearshifting controller, as shown in Figure 1, this automatic gearshifting controller comprises cam 1 and rocking arm 2, described rocking arm 2 is fixed on the gear shift fork bar 3 that stretches out gearbox, described cam 1 be located at around the gear shift fork bar 3 and with these gear shift fork bar 3 parallel axes, the radius size of cam 1 is divided into plurality of sections in circumference, radius in every section is identical, when changing with the gearbox gear, hop count need the block selecting number identical, on identical cam 1 circumferential surface of every section radius, all be provided with the sinusoidal groove, the action of this shape groove is for dialling the retaining stroke, and the other end of described rocking arm 2 is stretched in this groove.
The rotation of cam 1 is by motor driving, because radius difference, the outer peripheral surface of cam 1 raises or reduces, the end that rocking arm 2 is contacted with cam 1 raises or reduces, thereby drive shifting fork bar 3 and rotate an angle, finish the block selecting action, the while is according to the shape of groove, the cam driven rocking arm is inserted in a end in the groove along the moving axially of cam 1, and dials the retaining action thereby finish.
Yet, in this technological scheme, cam 1 only has a groove, cam 1 need be divided into the different multistage of radius (equating) with gearbox block selecting number, thereby the manufacture difficulty and the manufacture cost of this cam 1 have been increased greatly, and after cam 1 processes different multistage radiuses, be difficult to suitable curve smoothing transition between each section, so rocking arm 2 impacts when carrying out block selecting bigger.In addition; rocking arm 2 should rotate with the strong point of oneself and carry out block selecting, dial retaining along parallel the moving of axially doing of self again, thereby rocking arm 2 is finished block selecting simultaneously and is dialled the retaining action; so the reliability of rocking arm 2 is lower, the operation precision of this automatic gearshifting controller is lower.
Summary of the invention
The objective of the invention is in order to overcome in the existing automatic gear shift apparatus, reliability lower and cam manufacture cost and the bigger defective of manufacture difficulty, and provide that a kind of reliability is higher, manufacturing and automatic gear shift apparatus easy and simple to handle.
The invention provides a kind of automatic gear shift apparatus, this device comprises drive unit, transmission device, shifting cam and actuating device, described drive unit rotates by the described shifting cam of actuator drives, wherein, described shifting cam is the cylindrical body of radius unanimity, described actuating device comprises that axial direction is parallel to the declutch shift shaft of the axial direction of described shifting cam, be movably connected on described declutch shift shaft and can be along axially movable at least one shift fork of described declutch shift shaft and the slide block of fixedlying connected with each shift fork in described at least one shift fork, the external peripheral surface of described shifting cam has at least one groove, described each slide block is positioned at corresponding groove separately, and each groove in the described groove has at least one crest or a trough.
According to automatic gear shift apparatus provided by the invention, drive unit rotates by the actuator drives shifting cam, because the external peripheral surface at shifting cam has at least one groove, the slide block of fixedlying connected with shift fork is positioned at corresponding groove, like this, when shifting cam rotates, groove can be by the crest that has and/or trough and driving sliding block along the moving axially of shift fork cam, thereby slide block drives shift fork moving axially along declutch shift shaft again.When described all slide block during in the crest of groove and the neutral position between the trough, this gearshift is in neutral, and when a certain slide block was in the crest of this slide block corresponding groove or trough, this gearshift was in the gear corresponding with this crest or trough.Thereby, in automatic gear shift apparatus of the present invention, the gear number of automatic gear shift apparatus and shifting cam fluted crest and the number summation of trough equate.
In automatic gear shift apparatus of the present invention, shifting cam is the cylindrical body of radius unanimity, and the number of block selecting realizes by the variation at the external peripheral surface upper groove of cam, rather than realizes by shifting cam being divided into different several sections of radius in the prior art.Thereby, overcome the defective that shifting cam manufacture cost in the prior art is higher, be difficult to make in the automatic gear shift apparatus of the present invention.In addition, in automatic gear shift apparatus of the present invention, gearshift is only by shift fork moving axially on declutch shift shaft, and do not need other rotation such as rocking arm, thereby has higher reliability.
Description of drawings
Fig. 1 is the schematic representation of the automatic gearshifting controller of prior art;
Fig. 2 is the schematic representation according to automatic gear shift apparatus of the present invention;
Fig. 3 is the connection diagram of drive unit in the automatic gear shift apparatus among Fig. 1, transmission device and shifting cam;
Fig. 4 is the connection diagram of shifting cam and actuating device in the automatic gear shift apparatus among Fig. 1;
Fig. 5 is the unfolded drawing of the groove of shifting cam among Fig. 1;
When Fig. 6 is in 1 retaining for automatic gear shift apparatus according to the present invention, the position view of slide block in Fig. 5 groove;
When Fig. 7 is in neutral for automatic gear shift apparatus according to the present invention, the position view of slide block in Fig. 5 groove;
When Fig. 8 is in 2 retainings for automatic gear shift apparatus according to the present invention, the position view of slide block in Fig. 5 groove.
Embodiment
Below with reference to accompanying drawing preferred implementation of the present invention is described in detail.
As described in Fig. 2 to Fig. 4, automatic gear shift apparatus provided by the invention comprises drive unit 4, transmission device 5, shifting cam 6 and actuating device, described drive unit 4 drives described shifting cam 6 by transmission device 5 and rotates, wherein, described shifting cam 6 is the cylindrical body of radius unanimity, described actuating device comprises that axial direction is parallel to the declutch shift shaft 7 of the axial direction of described shifting cam 6, be movably connected on described declutch shift shaft 7 and can be along described declutch shift shaft 7 axially movable at least one shift fork 8 and the slide block 9 of fixedlying connected with each shift fork in described at least one shift fork, the external peripheral surface of described shifting cam 6 has at least one groove 10, described each slide block 9 is positioned at corresponding groove 10 separately, and each groove in the described groove 10 has at least one crest or trough.
As shown in Figure 3, in mode of execution shown in Figure 3, transmission device 5 rotates thereby can drive this shifting cam 6 by the cam-engaged on gear and the shifting cam 6.Because transmission device 5 has suitable velocity ratio, thereby shifting cam 6 can be with correct rotating speed rotation.
As shown in Figure 3 and Figure 4, has at least one groove 10 on the external peripheral surface of shifting cam 6, the slide block 9 of fixedlying connected with shift fork 8 is positioned at and this slide block corresponding groove 10, shift fork 8 flexibly connects and can move axially along declutch shift shaft 7 with declutch shift shaft 7 simultaneously, like this, shifting cam 6 is connected with shift fork 8 by the slide block 9 that is positioned at groove 10.
Shifting cam 6 is the cylindrical body of radius unanimity, the parallel to an axis of described shifting cam 6 is axial in declutch shift shaft 7, because this set, when shifting cam 6 rotations, just can promote slide blocks 9 along the moving axially of shifting cam 6, thereby make slide block 9 drive shift forks 8 moving axially along declutch shift shaft 7 by groove 10.When groove 10 was many, slide block 9 also had a plurality of, and each slide block 9 is on the same axis on the axial direction of shifting cam 6.
And, because shifting cam 6 radius unanimities have overcome in the prior art owing to cam being divided into several sections different defectives that are difficult to manufacturing of radius.
The radius of the shifting cam 6 of cylindricity and length can be determined according to described automatic gear shift apparatus.The material of shifting cam 6 can be for metallic material or nonmetallic material, as cast iron, and aluminum alloy, high-abrasive materials such as nylon are preferably hard aluminium alloy.
The size of declutch shift shaft 7 and shift fork 8 can determine that the material of declutch shift shaft 7 and shift fork 8 can be metallic material or nonmetallic material, as 45 steel, 20Cr etc., is preferably 20CrMo according to automatic gear shift apparatus.
As shown in Figure 4 and Figure 5, have at least one groove 10 on the external peripheral surface of shifting cam 6, and groove 10 have at least one crest or a trough.Crest here or trough are meant that groove 10 has the contour shape of similar waveform in Fig. 5 of the expansion planimetric map of the groove 10 of shifting cam, and in the shifting cam 6 in the present invention, each in the groove 10 has at least one crest or a trough.
Because groove 10 has crest or trough, as shown in Figure 5, the protrusion direction of crest or trough or recessed direction are the axial of shifting cam 6, thereby, when shifting cam 6 rotates, the slide block 9 that groove 10 meeting promotions are positioned at this groove 10 moves on the axial direction of shifting cam 6, thus shift fork 8 the moving axially that slide block 9 is driven separately along declutch shift shaft 7.
The number of the number of described groove 10 and crest that has and/or trough determines that according to the applied field of this automatic gear shift apparatus is incompatible groove 10 can be 1,2 or more, is preferably 3 to be applicable to the gearshift function of most of vehicles.Every groove 10 can have one or more crests, one or more troughs, 1 crest and 1 trough, 1 crest and a plurality of trough, a plurality of crest and 1 trough or a plurality of crest and a plurality of trough.Can require according to concrete gear to be provided with.
Under the preferable case, more accurate for the gearshift effect that makes this automatic gear shift apparatus, even the distance between the limit position of block 9 is bigger, every groove has 1 crest, 1 trough or a pair of crest and trough.In the time of 1 crest, block 9 can be positioned at a limit position and neutral position; During 1 trough, block 9 can be positioned at a limit position and neutral position; When a pair of crest and trough, block 9 can be positioned at a pair of relative limit position and neutral position, and this neutral position is between described a pair of limit position.
The degree of depth of groove 10 and width can hold slide block 9, satisfy slide block 9 and are free to slide in groove 10 and get final product.
When slide block 9 slides in groove 10, slide block 9 drives shift fork 8 moving axially along declutch shift shaft 7 simultaneously, because the crest of groove 10 or the existence of trough, when slide block 9 is positioned at a certain crest or trough, then shift fork 8 is positioned at corresponding limit position on declutch shift shaft 7, and this automatic shift-shifting device is realized and this crest or the corresponding gear of trough; When slide block 9 during in the crest of groove 10 and the neutral position between the trough, then shift fork 8 moves on the declutch shift shaft 7 and the corresponding neutral gear position in described neutral position from limit position.The crest of groove 10 or the height of trough equal shift fork 8 at a certain gear positions on the declutch shift shaft 7 and the axial distance between the neutral gear position.In automatic shift-shifting device of the present invention, have only when all shift forks 8 are in neutral gear position, this automatic shift-shifting device just is in neutral.
As mentioned above, the shifting cam 6 of described automatic gear shift apparatus all crests of fluted 10 and the number of trough, equal the gear number of described automatic gear shift apparatus.Specifically, each crest of any groove or trough are promptly represented a gear of automatic gear shift apparatus.
At same trough or crest location, can be by with the different gear matched of shift fork 8, and realize different gears with speed changer, each shift fork 8 that the neutral of automatic shift-shifting device can be by will being in neutral gear position is realized with corresponding gear matched.By shift fork 8 gear matched with speed changer, and when realizing that slide block 9 is positioned at the diverse location of groove 10 this automatic shift-shifting device to be in different gears be well known to those of ordinary skill in the art, be not described in detail at this.
Shifting cam 6 has at least one groove 10, and every groove 10 has at least one crest or a trough.Crest or trough number that the number of groove 10 and every groove 10 have are selected according to the practical application of automatic gear shift apparatus.
If shifting cam 6 has many grooves 10, then the crest of any two grooves in fluted 10 or trough on different straight lines on the axial direction of shifting cam 6, in other words, the crest of any two grooves in fluted 10 or trough on the axis inequality of shifting cam 6 axial directions.Like this, in the time of just can not appearing at gearshift, exist two slide blocks to enter simultaneously in crest and/or the trough, and make shift fork 8 be in the situation of two gear positions, thereby realized the interlocking between the different gears, avoided hanging up two gears simultaneously and the gear of speed changer produced the phenomenon of destroying.
In the normal vehicle operation process, when needs are shifted gears, follow the order principle of shifting gears, switch between the promptly adjacent gear, as changing to 2 retainings, change to 3 retainings from 2 retainings again etc. from 1 retaining.
In automatic gear shift apparatus of the present invention, fluted 10 crest and trough be arranged in order in proper order in the external peripheral surface of shifting cam 6 according to the gear of described auto-shifting device.
When shifting cam 6 rotates, because each slide block 9 is positioned on the same axis on shifting cam 6 axial directions, and fluted 10 crest and trough be arranged in order in proper order in the external peripheral surface of shifting cam 6 according to the gear of automatic gear shift apparatus, like this, each slide block 9 can enter each crest or trough successively according to the gear order of automatic gear shift apparatus.Thereby make this automatic gear shift apparatus when gearshift, follow the principle of shifting gears in proper order fully.When if automatic gear shift apparatus is in a certain gear, in shift process, since the crest of any two grooves in fluted 10 or trough on the axis inequality of shifting cam 6 axial directions, the situation that will inevitably exist all slide blocks to mediate simultaneously then, at this moment, this automatic gear shift apparatus returns neutral, then, along with the moving of slide block, this automatic gear shift apparatus changes to next adjacent gear from this neutral, thereby does not need the block selecting process of existing gearshift technology again.
In automatic gear shift apparatus of the present invention, the gear number that this automatic gear shift apparatus has can be one or more, as 2,6.Can determine the gear number that this automatic gear shift apparatus has according to the occasion of using, thereby can determine the groove number that shifting cam 6 has, and the crest that has of every groove and/or the number of trough.
In the preferred case, described shifting cam 6 has 3 grooves 10,3 slide blocks 9 of fixedlying connected with described 3 shift forks 8 lay respectively in separately the groove 10 respectively, every groove 10 has a pair of crest and trough, thereby make this automatic gear shift apparatus have 6 gears (5 forward gear, reverse gear), satisfy the application requirements of most of vehicles.
As shown in Figure 5, the groove 10 of shifting cam 6 comprises groove 10a, groove 10b and groove 10c, wherein, groove 10a has R retaining crest and 5 retaining troughs, groove 10b has 3 retaining troughs and 4 retaining crests, groove 10c has 1 retaining trough and 2 retaining crests, between the crest and trough of each groove, has neutral position (dotted line by 0 indication is represented).Can clearly find out that from Fig. 5 described each trough and crest are all represented a gear of this automatic gear shift apparatus.
As shown in Figure 5, each crest of groove 10a, groove 10b and groove 10c and trough all are on the axis inequality on shifting cam 6 axial directions.In other words, axis of axially any work along shifting cam 6, intersection point part at each groove and this axis, the neutral position of trough or slide block 9 only can appear having only a crest, in the situation that can not occur a pair of crest, a pair of trough or a pair of crest and trough on this axis simultaneously on this axis.The present invention is just because of these characteristics, thereby realized the interlocking between the different gears, avoids hanging up simultaneously when gearshift two different gears, and the gear of speed changer is caused great destruction.
And for example shown in Figure 5, the crest of the groove 10a in the groove 10, groove 10b and groove 10c and trough are arranged in order in proper order according to the gear of this automatic gear shift apparatus.
In conjunction with Fig. 4, the realization that the order of this automatic gear shift apparatus is shifted gears describes in detail.
As shown in Figure 4, when shifting gears, drive unit drives shifting cam 6 rotations, because slide block 9 is positioned at the groove 10 of shifting cam 6 external peripheral surfaces, thereby groove 10 promotes slide block moving axially at shifting cam 6, the shift fork 8 of fixedlying connected with slide block 9 simultaneously moves axially along declutch shift shaft 7, and shift fork 8 drives the engagement action of synchronizer again, thereby realizes gearshift.
Being in 1 retaining with this automatic gear shift apparatus is example, as shown in Figure 6.
Shifting cam 6 rotations, then slide block 9 moves in groove 10.If with shifting cam 6 is object of reference, then is equivalent to slide block 9 and in groove 10, rotates around shifting cam 6.Groove at Fig. 5 launches in the planimetric map, and then slide block 9 is along the week translation to the left and right of shifting cam 6.
As shown in Figure 6, because the slide block 9 in the groove 10c is positioned at 1 retaining trough, thereby the gear of this automatic gear shift apparatus is 1 retaining.Need now the gear of this automatic gear shift apparatus is converted to 2 retainings from 1 retaining, then shifting cam 6 rotations, each slide block 9 that is equivalent in Fig. 6 moves right from Fig. 6 left-hand.Rotation along with shifting cam 6, each slide block 9 moves to position shown in Figure 7 (neutral position), because this position is the neutral position, and each slide block 9 all is positioned at the neutral position, then this automatic gear shift apparatus returns and is neutral, then, shifting cam 6 continues rotation, and then each slide block 9 moves to position shown in Figure 8 from neutral position shown in Figure 7 again, at this moment, slide block 9 in the groove 10c is positioned at 2 retaining crests, thereby the gear of this automatic gear shift apparatus is 2 retainings.Thereby realized keeping off the 2 replacing processes of keeping off from 1.Like this, omitted the operation of block selecting in traditional gearshift.(otherwise shifting cam counter-rotating this moment) then can be converted to 1 retaining from 2 retainings with this automatic gear shift apparatus.Other gear shift operation and said process are similar, are not described in detail at this.
Because groove 10a, groove 10b in the groove 10 and the crest of groove 10c and trough are arranged in order in proper order according to the gear of this automatic gear shift apparatus, thereby, can guarantee in shift process, to follow principle of temporal sequence.
In addition, on the shifting cam 6 in the present invention, shift sensor 11 is installed also, this shift sensor 11 is with shifting cam 6 rotations.Acting as of this shift sensor 11: the angle and the position signal of the rotation of shifting cam 6 are converted to voltage signal, and this voltage signal is offered TCU (gearbox control unit).
When vehicle in the process of moving, when the driver is slowed down downshift, continuous reduction along with the speed of a motor vehicle and engine speed, when being reduced to predefined gearshift threshold value, the position signal of the shifting cam 6 that TCU sends according to shift sensor 11 is judged and is calculated angle and the direction that shifting cam 6 needs rotation, then command signal is passed to drive unit 4, accessory drive 4 operations, thus make shifting cam 6 according to the direction rotation of calculating.In shifting cam 6 continuous rotary courses, shift sensor 11 constantly sends the rotation signal of shifting cam 6 to TCU, TCU can compare this signal and the angle of having calculated then, if the two equates, then TCU can send halt instruction to drive unit 4, thereby realizes automatic shift process.
Shift sensor 11 can be angle transducer or position transducer, as common on the market electric brush type sensor (resistance type).
In automatic gear shift apparatus provided by the invention, shifting cam 6 is the cylindrical body of radius unanimity, and the variation of the groove by shifting cam 6 and realize gear shift operation with the matching relationship of shift fork, rather than by cam being divided into several sections of different radii.Thereby overcome the big and higher defective of manufacture cost of prior art cam manufacture difficulty.And gear shift operation realizes by the axial translation of shift fork along declutch shift shaft, does not need should rotate rocking arm in the prior art requirement of translation again, thereby has higher reliability and accuracy.
Claims (6)
1. automatic gear shift apparatus, this device comprises drive unit (4), transmission device (5), shifting cam (6) and actuating device, described drive unit (4) drives described shifting cam (6) by transmission device (5) and rotates, wherein, described shifting cam (6) is the cylindrical body of radius unanimity, described actuating device comprises that axial direction is parallel to the declutch shift shaft (7) of the axial direction of described shifting cam (6), be movably connected on described declutch shift shaft (7) and can be along axially movable at least one shift fork of described declutch shift shaft (7) (8), and the slide block (9) of fixedlying connected with each shift fork in described at least one shift fork, the external peripheral surface of described shifting cam (6) has at least one groove (10), described each slide block (9) is positioned at corresponding groove (10) separately, and each groove in the described groove (10) has at least one crest and/or trough.
2. automatic gear shift apparatus according to claim 1, wherein, described groove (10) is a plurality of, a plurality of grooves (10) are along the axially-aligned of cam (6), have 1 crest, trough or 1 crest and a trough in each groove (10).
3. automatic gear shift apparatus according to claim 1 and 2, wherein, crest that has in any two grooves in the described groove (10) or trough are along on the different straight lines on shifting cam (6) axial direction.
4. automatic gear shift apparatus according to claim 3, wherein, the crest of described fluted (10) and trough are arranged in order on the external peripheral surface of described shifting cam (6) in proper order according to the gear of described auto-shifting device.
5. according to claim 1,2,3 or 4 described automatic gear shift apparatus, described shifting cam (6) has 3 grooves (10), 3 slide blocks (9) of fixedlying connected with described 3 shift forks (8) lay respectively in 3 grooves (10), and every groove (10) has a pair of crest and trough.
6. according to above-mentioned any described automatic gear shift apparatus of claim, wherein, shift sensor (11) is installed on the described shifting cam 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101722941A CN101210614A (en) | 2006-12-30 | 2006-12-30 | Automatic gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101722941A CN101210614A (en) | 2006-12-30 | 2006-12-30 | Automatic gearshift |
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| Publication Number | Publication Date |
|---|---|
| CN101210614A true CN101210614A (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101722941A Pending CN101210614A (en) | 2006-12-30 | 2006-12-30 | Automatic gearshift |
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| CN (1) | CN101210614A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504071B (en) * | 2009-03-09 | 2011-03-23 | 力帆实业(集团)股份有限公司 | Gearshift of electric car automatic speed transmission |
| CN102678901A (en) * | 2011-11-22 | 2012-09-19 | 河南科技大学 | Gear selecting and shifting mechanism for cam |
| CN104913051A (en) * | 2014-03-10 | 2015-09-16 | 通用汽车环球科技运作有限责任公司 | Transmission |
| CN105065653A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Gear-selection mechanism for electric vehicle two-gear transmission |
| CN107191590A (en) * | 2017-07-12 | 2017-09-22 | 苏州绿控传动科技有限公司 | A kind of automatic gear shift mechanisms of AMT |
| CN107269831A (en) * | 2017-07-13 | 2017-10-20 | 吉林大学 | Single motor gearshift of pure electric automobile electric control mechanical type automatic speed variator |
| CN108708968A (en) * | 2018-06-13 | 2018-10-26 | 山东理工大学 | Automotive transmission d-axis chute-type gearshift and process for gear |
| CN108730512A (en) * | 2018-06-15 | 2018-11-02 | 山东理工大学 | Shifting vehicle gearbox axis triangle art chute designs method |
| CN108869735A (en) * | 2018-07-09 | 2018-11-23 | 山东理工大学 | Shifting vehicle gearbox axis parabolic contour line art chute designs method |
| CN108869736A (en) * | 2018-07-12 | 2018-11-23 | 山东理工大学 | Shifting vehicle gearbox axis elliptic wheel profile art chute designs method |
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2006
- 2006-12-30 CN CNA2006101722941A patent/CN101210614A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504071B (en) * | 2009-03-09 | 2011-03-23 | 力帆实业(集团)股份有限公司 | Gearshift of electric car automatic speed transmission |
| CN102678901A (en) * | 2011-11-22 | 2012-09-19 | 河南科技大学 | Gear selecting and shifting mechanism for cam |
| CN102678901B (en) * | 2011-11-22 | 2014-07-02 | 河南科技大学 | Gear selecting and shifting mechanism for cam |
| CN104913051A (en) * | 2014-03-10 | 2015-09-16 | 通用汽车环球科技运作有限责任公司 | Transmission |
| CN105065653A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Gear-selection mechanism for electric vehicle two-gear transmission |
| CN107191590A (en) * | 2017-07-12 | 2017-09-22 | 苏州绿控传动科技有限公司 | A kind of automatic gear shift mechanisms of AMT |
| CN107269831A (en) * | 2017-07-13 | 2017-10-20 | 吉林大学 | Single motor gearshift of pure electric automobile electric control mechanical type automatic speed variator |
| CN108708968A (en) * | 2018-06-13 | 2018-10-26 | 山东理工大学 | Automotive transmission d-axis chute-type gearshift and process for gear |
| CN108730512A (en) * | 2018-06-15 | 2018-11-02 | 山东理工大学 | Shifting vehicle gearbox axis triangle art chute designs method |
| CN108869735A (en) * | 2018-07-09 | 2018-11-23 | 山东理工大学 | Shifting vehicle gearbox axis parabolic contour line art chute designs method |
| CN108869736A (en) * | 2018-07-12 | 2018-11-23 | 山东理工大学 | Shifting vehicle gearbox axis elliptic wheel profile art chute designs method |
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