CN201386782Y - Gearshift assembly of automatic transmission of electric car - Google Patents
Gearshift assembly of automatic transmission of electric car Download PDFInfo
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- CN201386782Y CN201386782Y CN200920126562U CN200920126562U CN201386782Y CN 201386782 Y CN201386782 Y CN 201386782Y CN 200920126562 U CN200920126562 U CN 200920126562U CN 200920126562 U CN200920126562 U CN 200920126562U CN 201386782 Y CN201386782 Y CN 201386782Y
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- automatic transmission
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Abstract
Disclosed is a gearshift assembly of an automatic transmission of an electric car. An opening end of the casing is sealed by an end cap, an output shaft of the motor is connected with a worm in the casing, the worm is meshed with a worm gear fixedly sleeved at the inner end of a connecting shaft, an outer end of the connecting shaft extends out of the casing, and the extension portion is sleeved with a cam. A first electrode plate, a second electrode plate, a third electrode plate, an outer connecting plate and an inner connecting plate are fixed on the inner wall of the end cap, an electricity absorbing plate is fixed on a disc surface of the worm gear facing towards the end cap and provided with three contact plates, and the three contact plates respectively correspond to the three electrode plates. The second electrode plate is connected with one electrode of a motor via a conducting wire while the other electrode of the motor is connected with the cathode of the power source, and a conducting wire led out from the power source is respectively connected with the outer connecting plate and the inner connecting plate via a combined switch. The gearshift assembly of an automatic transmission not only has simple operation, few control links and fine gearshift reliability, but also has compact structure, easy assembly, light weight and low manufacturing cost, can effectively reduce production cost of electric cars, and is favorable for application and popularization of electric cars.
Description
Technical field
The invention belongs to automobile technical field, specifically, relate in particular to the gearshift assembly of electric vehicle automatic transmission case.
Background technique
At present, new-energy automobile is becoming the exploitation of exploitation focus, particularly electric vehicle, has become the emphasis of new-energy automobile exploitation.For the gearbox of electric vehicle, the common practice of each automobile production producer is after the manual transmission on the fuel-engined vehicle or automatic clutch gearbox are carried out adaptation, to indiscriminately imitate on the electric vehicle, and existing deficiency is:
1, adopts manual transmission, control drag-line mechanism by the cooperation of clutch pedal and gear shifting rod, make shift fork slippage on guide rod, promote synchronizer clutch collar change engagement object by shift fork and realize variable block, not only controlling unit is many, handles loaded down with trivial detailsly, and the variable block reliability is relatively poor, and the complex structure of manual transmission, bulky, can increase the cost and the weight of electric vehicle.
2, adopt the automatic clutch gearbox, though variable block is simple to operate, the automatic clutch gearbox designs is very complicated, and the control difficulty is bigger, and is big to the influence of variable block reliability; Particularly not enough is that the automatic clutch gearbox is very expensive, can increase the cost of electric vehicle greatly, is unfavorable for using and promoting of electric vehicle.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of manipulation is simple, the reliable electric vehicle automatic transmission gear shift assembly of control.
Technological scheme of the present invention is as follows: a kind of electric vehicle automatic transmission gear shift assembly, comprise synchronizer soldered tooth cover, shift fork and guide rod, wherein the shift fork kink is on guide rod, and the card base of shift fork bottom cooperates with the annular groove clamping that the synchronizer soldered tooth overlaps on the circumference, and its key is:
A, the top of described shift fork be symmetrically arranged with a pair of on card base, go up card bases for these two and cooperate with the cam clamping, described cam is solidly set on the coupling shaft, this coupling shaft stretches in the housing, and stretch into part and be set with worm gear, described worm gear and worm meshing, this worm screw is connected with the output shaft of motor;
B, the open-mouth end of described housing is by end bracket enclosed, on the inwall of described end cap, be provided with ring second electrode slices, the circle external symmetry of this second electrode slices is provided with two first electrode slicess, these two first electrode slicess are circular arc, and link to each other by outer connecting sheet between two first electrode slicess, in the circle of described second electrode slices, be symmetrical arranged two third electrode sheets, these two third electrode sheets also are circular arc, link to each other by interior connecting sheet between two third electrode sheets, described first electrode slices, the center of circle of second electrode slices and third electrode sheet is on same point, and first electrode slices and third electrode sheet are in upwards dislocation of week;
C, be provided with on the card of end cap at described worm gear and inhale electric sheet, this is inhaled and has three contacts on the electric sheet, and these three contacts are corresponding with first, second, third electrode slices respectively, and when worm gear rotated, three contacts can contact with three electrode slicess respectively;
D, described second electrode slices are connected with a utmost point of motor by lead, another utmost point and the power cathode of motor join, the lead that picks out from positive source is divided into two-way, wherein one the tunnel is connected with an end of first switch in the integral switch, the other end of this first switch joins with outer connecting sheet and interior connecting sheet respectively by lead, described another line conductor that picks out from positive source is connected with an end of second switch the integral switch, and the other end of this second switch joins with outer connecting sheet and interior connecting sheet respectively by lead.
Adopt above technological scheme, during motor operation, the output shaft of motor drives worm screw and rotates, worm screw is given worm gear with transmission of power, worm gear, coupling shaft and cam are rotated synchronously, cam promotes shift fork move left and right on guide rod, and shift fork is stirred synchronizer soldered tooth cover again and moved, and can realize variable block.
Inhale three contacts of electric sheet on the worm gear and cooperate, work to connect or disconnect electromotor control circuit with three cube electrode sheets on the end cap.Wherein the radian of first electrode slices and third electrode sheet is 90 degree, and both are in upwards dislocation fully of week.Along with the rotation of worm gear, the second wafer of inhaling electric sheet contacts with second electrode slices all the time; When first contact of inhaling electric sheet contacted with first electrode slices, the third wafer of inhaling electric sheet separated with the third electrode sheet; When first contact of inhaling electric sheet separated with first electrode slices, the third wafer of inhaling electric sheet contacted with the third electrode sheet.
Being switched on or switched off by external control system TCU of integral switch controlled according to vehicle working condition in the electromotor control circuit.When first switch connection, when second switch disconnects, electric current imports first electrode slices by first switch, first contact that inhale electric sheet this moment contacts with first electrode slices, inhale electric sheet electric current is imported to second electrode slices from first electrode slices, make first switch, inhale electric sheet, form current loop between first electrode slices, second electrode slices and the motor, motor rotates, drive worm gear and cam rotation, inhaling electric sheet rotates with worm gear, after worm gear rotates 90 degree, first contact of inhaling electric sheet separates with first electrode slices, failure of current, and motor stops operating; At this moment, the third wafer of inhaling electric sheet contacts with the third electrode sheet, second switch is connected as long as external control system TCU makes, first switch disconnects, so second switch, inhale between electric sheet, third electrode sheet, second electrode slices and the motor and just form current loop, motor is rotated, in like manner, the motor drives worm gear stops after rotating 90 degree.This shows that under the control of integral switch, motor drives at every turn and stops after worm gear rotates 90 degree, cam rotates 90 degree at every turn like this, and cam promotes selector fork and stirs the mobile corresponding stroke of synchronizer soldered tooth cover, so that change engagement object.When a motor drives worm gear and an intact week of cam rotation, selector fork samsara between neutral → bottom gear → neutral → top gear → neutral is switched once.
The present invention adopts the principle of manual variable block, utilizes motor to control automatically, so not only handles simply, and controlling unit is few, the variable block good reliability; And the self structure compactness, can replace the clutch in traditional gearbox, make gearbox designs simpler, weight and volume are littler, thereby can effectively reduce the cost of production of electric vehicle.
The flange end of above-mentioned cam is first arc section, and the basic circle end is second arc section, is provided with the three-arc section of symmetry at the dual-side of cam, and the center of circle of described first, second, third arc section is on same point, and this is on the axis of coupling shaft.When the three-arc section of cam cooperates with card base on the shift fork, the neutral of corresponding gearbox; Behind motor drives cam rotation 90 degree, cam promotes card base on the shift fork, makes shift fork stir the synchronizer clutch collar and moves right, and combines the bottom gear of corresponding gearbox with the bottom gear gear; Cam continue to revolve turn 90 degrees after, cam promotes shift fork and gets back to the neutral position, and the synchronizer clutch collar is separated with the bottom gear gear, gets back to the neutral of gearbox; Cam continue again to revolve turn 90 degrees after, cam promotes card base on the shift fork, makes shift fork stir the synchronizer clutch collar and is moved to the left, and combines the top gear of corresponding gearbox with the top gear gear.Above structure makes variable block handle not only control easily, and simple and reliable.
The radian of first, second, third arc section is identical on the above-mentioned cam, is 8～12 degree.Cam-shaped line is wide shape line, is 10 degree with the radian of first, second, third arc section, and the velocity ratio of worm-and-wheel gear is to be example at 62: 1, after 10 millimeters of the cam lifts, has 10 to spend the down-time period, after 10 millimeters of lifts, rests 10 degree.Cam rest 10 the degree, just worm gear rotates in the 10 degree scopes, the shift fork position can not change, that is to say worm screw rotation 620 degree, the shift fork position can not change yet, so that the control that control system is rotated the number of turns to worm screw does not need is very accurate, has solved the high difficult problem of general control systems precision thus.
In order to respond the action of cam accurately, reliably, on two of above-mentioned shift forks, be provided with projection on the opposing side of card base, this projection is a circular arc, the arc top of projection is towards cam, and the radian of the radian of projection and cam first arc section adapts.
On above-mentioned coupling shaft, radially be equipped with steel wire, in the groove on this steel wire embedding worm gear card.The moment of torsion of worm gear transmission rotates by the steel wire stripe axle that is dynamically connected, because steel wire is resilient, and the collision impact in the time of can improving gearshift between synchronizer clutch collar and the gear.
Install and guarantee that the coupling shaft running is reliable for the ease of coupling shaft, be provided with retainer in the outside of above-mentioned housing, this retainer is connected with housing by lining, and described coupling shaft passes from lining and retainer, and with lining and retainer Spielpassung; Cam on the described coupling shaft is positioned at retainer, has the breach that passes through for the cam rotation in the bottom of retainer.
For the ease of wiring, outside above-mentioned, be connected to first contact on the connecting sheet, this first contact is connected with second switch with first switch respectively by lead; Be connected to second contact on described second electrode slices, this second contact is connected with motor by lead; Be provided with the 3rd contact in described on the connecting sheet, the 3rd contact is connected with second switch with first switch respectively by lead.
Beneficial effect: the present invention not only handles simply, few, the variable block good reliability of controlling unit, and simple and compact for structure, easy, in light weight, the low cost of manufacture of assembling, can effectively reduce the cost of production of electric vehicle, helps using and promoting of electric vehicle.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 removes the structural representation of synchronizer soldered tooth cover and shift fork for the present invention.
Fig. 3 removes the right elevation of end cap for Fig. 2.
Fig. 4 covers the distribution schematic diagram of electrode slices for middle-end of the present invention.
Fig. 5 is the cooperation schematic representation of shift fork among the present invention and cam.
Fig. 6 is the structural representation of cam of the present invention.
Fig. 7 is the structural representation of card base on the shift fork among the present invention.
Fig. 8 is circuit theory diagrams of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the present invention is by synchronizer soldered tooth cover 1, shift fork 2, guide rod 3, cam 4, coupling shaft 5, housing 6, worm gear 7, worm screw 8, motor 9, steel wire 10, retainer 11, lining 12, end cap 13, first electrode slices 14, second electrode slices 15, third electrode sheet 16, outer connecting sheet 17, interior connecting sheet 18 and inhale parts such as electric sheet 19 and constitute.Its middle shell 6 is the box like structure of the uncovered the other end sealing of an end, and the open-mouth end of this housing 6 is by end cap 13 sealings.Motor 9 is installed on housing 6, and the output terminal of this motor 9 stretches in the housing 6, and the output shaft of motor 9 and housing 6 interior worm screws 8 are connected.Described worm screw 8 and worm gear 7 engagements, this worm gear 7 also is positioned at housing 6, and is set in the inner of coupling shaft 5, radially is equipped with steel wire 10 on coupling shaft 5, in the groove that this steel wire 10 embeds on worm gear 7 cards, worm gear 7 passes through steel wire 10 to coupling shaft 5 transmitting torques.The closed end of housing 6 is stretched out in the outer end of described coupling shaft 5, from lining 12 and retainer 11, passes successively again, and coupling shaft 5 and housing 6, lining 12 and retainer 11 Spielpassung, coupling shaft 5 can rotate relative to housing 6, lining 12 and retainer 11.
As can be known, an end of described lining 12 is connected with the closed end of housing 6 from Fig. 1, Fig. 2, Fig. 3, the other end of lining 12 and retainer 11 welding.Cam 4 is set in retainer 11, and this cam 4 is placed on the coupling shaft 5 admittedly, and can rotate with coupling shaft 5, has the breach that passes through for cam 4 rotations in the bottom of retainer 11.Two on described cam 4 and shift fork 2 tops cooperate being much of card base 2a clamping, and shift fork 2 kinks are on guide rod 3, and guide rod 3 is supported on the gear box casing (not drawing among the figure).The card base of described shift fork 2 bottoms cooperates with the annular groove clamping that the synchronizer soldered tooth overlaps on 1 circumference, between the top gear gear and bottom gear gear of synchronizer soldered tooth cover 1 in gear box casing.
From Fig. 5, Fig. 6 and Fig. 7 further as can be known, the shape line of described cam 4 is wide shape line, the flange end of cam 4 is the first arc section 4a, the basic circle end is the second arc section 4b, be provided with the three-arc section 4c of symmetry at the dual-side of cam 4, between described first arc section 4a and the three-arc section 4c and all pass through rounding off between the second arc section 4b and the three-arc section 4c.The center of circle of described first, second, third arc section 4a, 4b, 4c is on same point, and this is on the axis of coupling shaft 5.The radian of described first, second, third arc section 4a, 4b, 4c is identical, is 8～12 degree.Be formed with the projection 2b of two symmetries on two of described shift forks on the opposing side of card base 2a, this projection 2b is a circular arc, and the arc top of projection 2b is towards cam 4, and the radian of the radian of projection 2b and the cam first arc section 4a adapts.
As shown in Figure 4, be fixed with first electrode slices 14, second electrode slices 15, third electrode sheet 16, outer connecting sheet 17 and interior connecting sheet 18 on the inwall of end cap 13, wherein second electrode slices 15 is a ring, is connected to the second contact B on this second electrode slices 15.Circle external symmetry at second electrode slices 15 is provided with two first electrode slicess 14, and these two first electrode slicess 14 are circular arc, and radian is 90 degree, and links to each other by outer connecting sheet 17 between two first electrode slicess 14, is connected to the first contact A outside on the connecting sheet 17.Be symmetrical arranged two third electrode sheets 16 in the circle of described second electrode slices 15, these two third electrode sheets 16 also are circular arc, and radian is 90 degree, link to each other by interior connecting sheet 18 between two third electrode sheets 16, are provided with the 3rd contact C on interior connecting sheet 18.The center of circle of described first electrode slices 14, second electrode slices 15 and third electrode sheet 16 is on same point, and first electrode slices 14 upwards staggers in week fully with third electrode sheet 16.
From Fig. 3, Fig. 4 as can be known, at worm gear 7 electric sheet 19 of fixing suction on the card of end cap 13, this is inhaled and has three contact 19a, 19b, 19c on the electric sheet 19, these three contact 19a, 19b, 19c are corresponding with first, second, third electrode slices 14,15,16 respectively, and when worm gear 7 rotates, three contact 19a, 19b, 19c can contact with three electrode slicess 14,15,16 respectively, and be embodied in: the second wafer 19b that inhales electric sheet 19 contacts with second electrode slices 15 all the time; When the first contact 19a that inhales electric sheet 19 contacted with first electrode slices 14, the third wafer 19c that inhales electric sheet 19 separated with third electrode sheet 16; When the first contact 19a that inhales electric sheet 19 separated with first electrode slices 14, the third wafer 19c that inhales electric sheet 19 contacted with third electrode sheet 16.
From Fig. 4, among Fig. 8 as can be known, the second contact B that second electrode slices 15 picks out is connected with a utmost point of motor 9 by lead, another utmost point and the power cathode of motor 9 join, the lead that picks out from positive source is divided into two-way, wherein one the tunnel is connected with an end of first K switch 1 in the integral switch, the other end of this first K switch 1 joins with the first contact A and the 3rd contact C respectively by lead, described another line conductor that picks out from positive source is connected with the end of second switch K2 the integral switch, and the other end of this second switch K2 joins with the first contact A and the 3rd contact C respectively by lead.
Working principle of the present invention is as follows: during motor 9 runnings, the output shaft of motor 9 drives worm screw 8 and rotates, worm screw 8 is given worm gear 7 with transmission of power, worm gear 7, coupling shaft 5 and cam 4 are rotated synchronously, cam 4 promotes shift fork 2 move left and right on guide rod 3, shift fork 2 is stirred synchronizer soldered tooth cover 1 again and is moved, and can realize variable block.
Being switched on or switched off by external control system TCU of integral switch controlled according to vehicle working condition in the electromotor control circuit.When first K switch 1 is connected, when second switch K2 disconnects, electric current imports first electrode slices 14 by first K switch 1, the first contact 19a that inhale electric sheet 19 this moment contacts with first electrode slices 14, inhale electric sheet 19 electric current is imported to second electrode slices 15 from first electrode slices 14, make first K switch 1, inhale electric sheet 19, first electrode slices 14, form current loop between second electrode slices 15 and the motor 9, motor 9 rotates, drive worm gear 7 and cam 4 rotations, inhaling electric sheet 19 rotates with worm gear 7, after worm gear 7 rotates 90 degree, the first contact 19a that inhales electric sheet 19 separates with first electrode slices 14, failure of current, and motor 9 stops operating; At this moment, the third wafer 19c that inhales electric sheet 19 contacts with third electrode sheet 16, second switch K2 connects as long as external control system TCU makes, first K switch 1 disconnects, just form current loop between second switch K2, the electric sheet 19 of suction, third electrode sheet 16, second electrode slices 15 and the motor 9 so, motor 9 is rotated, in like manner, motor 9 drives and stops after worm gear 7 rotates 90 degree.This shows that under the control of integral switch, motor 9 each drives stop after worm gear 7 rotates 90 degree, like this cam 4 each 90 degree that rotate.
When the flange end of cam 4 up, when the three-arc section 4c of cam cooperates with card base 2a on the shift fork, the neutral (see figure 5) of corresponding gearbox; After motor drives cam 4 clockwise rotated 90 degree, cam 4 promoted card base 2a on the shift fork, makes shift fork 2 stir synchronizer clutch collar 1 and moves right, and combines the bottom gear of corresponding gearbox with the bottom gear gear; After cam continues dextrorotation and turn 90 degrees, the flange end of cam 4 down, cam promotes shift fork 2 and gets back to the neutral position, and synchronizer clutch collar 1 is separated with the bottom gear gear, gets back to the neutral of gearbox; After cam 4 continued dextrorotation again and turn 90 degrees, cam 4 promoted card base 2a on the shift forks, makes shift fork 2 stir synchronizer clutch collar 1 and is moved to the left, and combines the top gear of corresponding gearbox with the top gear gear.
Claims (7)
1, a kind of electric vehicle automatic transmission gear shift assembly, comprise synchronizer soldered tooth cover (1), shift fork (2) and guide rod (3), wherein shift fork (2) kink is on guide rod (3), the card base of shift fork (2) bottom cooperates with annular groove clamping on synchronizer soldered tooth cover (1) circumference, it is characterized in that:
A, be symmetrically arranged with a pair of card base (2a) of going up on the top of described shift fork (2), going up card base (2a) for these two cooperates with cam (4) clamping, described cam (4) is solidly set on the coupling shaft (5), this coupling shaft (5) stretches in the housing (6), and stretch into part and be set with worm gear (7), described worm gear (7) and worm screw (8) engagement, this worm screw (8) is connected with the output shaft of motor (9);
B, the open-mouth end of described housing (6) is sealed by end cap (13), on the inwall of described end cap (13), be provided with ring second electrode slices (15), the circle external symmetry of this second electrode slices (15) is provided with two first electrode slicess (14), these two first electrode slicess (14) are circular arc, and link to each other by outer connecting sheet (17) between two first electrode slicess (14), in the circle of described second electrode slices (15), be symmetrical arranged two third electrode sheets (16), these two third electrode sheets (16) also are circular arc, link to each other by interior connecting sheet (18) between two third electrode sheets (16), described first electrode slices (14), the center of circle of second electrode slices (15) and third electrode sheet (16) is on same point, and first electrode slices (14) upwards misplaces in week with third electrode sheet (16);
C, be provided with on the card of end cap (13) at described worm gear (7) and inhale electric sheet (19), this is inhaled and has three contacts (19a, 19b, 19c) on the electric sheet (19), these three contacts (19a, 19b, 19c) are corresponding with first, second, third electrode slices (14,15,16) respectively, and when worm gear (7) rotated, three contacts (19a, 19b, 19c) can contact with three electrode slicess (14,15,16) respectively;
D, described second electrode slices (15) is connected by the utmost point of lead with motor (9), another utmost point and the power cathode of motor (9) join, the lead that picks out from positive source is divided into two-way, wherein one the tunnel is connected with an end of first switch (K1) in the integral switch, the other end of this first switch (K1) joins with outer connecting sheet (17) and interior connecting sheet (18) respectively by lead, described another line conductor that picks out from positive source is connected with an end of second switch (K2) the integral switch, and the other end of this second switch (K2) joins with outer connecting sheet (17) and interior connecting sheet (18) respectively by lead.
2, electric vehicle automatic transmission gear shift assembly according to claim 1, it is characterized in that: the flange end of described cam (4) is first arc section (4a), the basic circle end is second arc section (4b), be provided with the three-arc section (4c) of symmetry at the dual-side of cam (4), the center of circle of described first, second, third arc section (4a, 4b, 4c) is on same point, and this is on the axis of coupling shaft (5).
3, electric vehicle automatic transmission gear shift assembly according to claim 2 is characterized in that: the radian of last first, second, third arc section of described cam (4) (4a, 4b, 4c) is identical, is 8～12 degree.
4, according to claim 2 or 3 described electric vehicle automatic transmission gear shift assemblies, it is characterized in that: on two of described shift forks, be provided with projection (2b) on the opposing side of card base (2a), this projection (2b) is a circular arc, the arc top of projection (2b) is towards cam (4), and the radian of the radian of projection (2b) and cam first arc section (4a) adapts.
5, electric vehicle automatic transmission gear shift assembly according to claim 1 is characterized in that: radially be equipped with steel wire (10) on described coupling shaft (5), in the groove on this steel wire (10) embedding worm gear (7) card.
6, electric vehicle automatic transmission gear shift assembly according to claim 1, it is characterized in that: be provided with retainer (11) in the outside of described housing (6), this retainer (11) is connected with housing (6) by lining (12), described coupling shaft (5) passes from lining (12) and retainer (11), and with lining (12) and retainer (11) Spielpassung; Cam (4) on the described coupling shaft (5) is positioned at retainer (11), has the breach that passes through for cam (4) rotation in the bottom of retainer (11).
7, electric vehicle automatic transmission gear shift assembly according to claim 1, it is characterized in that: be connected to first contact (A) on the connecting sheet outside described (17), this first contact (A) is connected with second switch (K2) with first switch (K1) respectively by lead; Be connected to second contact (B) on described second electrode slices (15), this second contact (B) is connected with motor (9) by lead; Be provided with the 3rd contact (C) on the connecting sheet in described (18), the 3rd contact (C) is connected with second switch (K2) with first switch (K1) respectively by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126562U CN201386782Y (en) | 2009-03-09 | 2009-03-09 | Gearshift assembly of automatic transmission of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126562U CN201386782Y (en) | 2009-03-09 | 2009-03-09 | Gearshift assembly of automatic transmission of electric car |
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| Publication Number | Publication Date |
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| CN201386782Y true CN201386782Y (en) | 2010-01-20 |
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| CN200920126562U Expired - Lifetime CN201386782Y (en) | 2009-03-09 | 2009-03-09 | Gearshift assembly of automatic transmission of electric car |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504070A (en) * | 2009-03-09 | 2009-08-12 | 力帆实业(集团)股份有限公司 | Gear changing system of electric automobile |
| CN102434664A (en) * | 2011-09-14 | 2012-05-02 | 同济大学 | Gear selecting/shifting control device of vehicle transmission |
| CN102597565A (en) * | 2010-04-28 | 2012-07-18 | 爱信Ai株式会社 | Power transmission control device for vehicle |
| CN103511618A (en) * | 2012-06-29 | 2014-01-15 | 上海捷能汽车技术有限公司 | Gear shifting executive device, electromobile with same and gear shifting control method |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
-
2009
- 2009-03-09 CN CN200920126562U patent/CN201386782Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504070A (en) * | 2009-03-09 | 2009-08-12 | 力帆实业(集团)股份有限公司 | Gear changing system of electric automobile |
| CN101504070B (en) * | 2009-03-09 | 2013-12-11 | 力帆实业(集团)股份有限公司 | Gear changing system of electric automobile |
| CN102597565A (en) * | 2010-04-28 | 2012-07-18 | 爱信Ai株式会社 | Power transmission control device for vehicle |
| CN102597565B (en) * | 2010-04-28 | 2015-11-25 | 爱信Ai株式会社 | Power transmission control device for vehicle |
| CN102434664A (en) * | 2011-09-14 | 2012-05-02 | 同济大学 | Gear selecting/shifting control device of vehicle transmission |
| CN103511618A (en) * | 2012-06-29 | 2014-01-15 | 上海捷能汽车技术有限公司 | Gear shifting executive device, electromobile with same and gear shifting control method |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
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