CN204828632U - Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile - Google Patents
Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile Download PDFInfo
- Publication number
- CN204828632U CN204828632U CN201520633066.4U CN201520633066U CN204828632U CN 204828632 U CN204828632 U CN 204828632U CN 201520633066 U CN201520633066 U CN 201520633066U CN 204828632 U CN204828632 U CN 204828632U
- Authority
- CN
- China
- Prior art keywords
- gear
- fork
- driven gear
- driving
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a two slider pendulum rod shifters that keep off automatic gearbox of electric automobile, characterized by includes: push rod motor, sharp push rod, connecting rod and pendulum rod, make straight reciprocating motion with push rod motor drive straight line push rod to drive connecting rod motion, thereby drive pendulum rod swing and drive shift fork along jackshaft direction axial displacement through the driving lever, thus drive synchronous ware and one grade of driven gear or second gear driving gear joint, with the realization gear shift. The utility model discloses can simplify the action of shifting gears, improve gear shift accuracy nature and reliability, promote electric automobile's dynamic performance and reduced the cost to can be adapted to various pure electric vehicles's automatic gearbox.
Description
Technical field
The utility model belongs to electric vehicle two grades of automatic mechanical transmission (AMT) gearshift mechanisms, specifically a kind of slide block fork gearshift mechanism of electric vehicle two-shift automatic speed variator.
Background technique
Conventional electric automobile adopts stable drive ratio retarder, time for acceleration and the highest speed performance of vehicle often restrict mutually, therefore, for pursuing the high-performance pure electric automobile that vehicle acceleration performance is good, highest speed is high, under motor weight and cost increase limited space situation, can consider to install speed changer additional, thus both improve vehicle highest speed, shorten the vehicle acceleration time again.
The two speed transmission of electric vehicle, as the transmission system of pure electric automobile, not only increases the working efficiency of motor, also improves the power performance of speed changer.The structures such as tradition gear-shifting actuating mechanism many employings multi-stage speed-reducing gear, pinion and rack or worm and gear, although these structures are widely used, but drive mechanism is relatively complicated, higher to automatically controlled requirement, and multiple respective outer side edges generally will be adopted just to reach gear shift object, traditional gear rack and worm gear transmission ratio are comparatively large, cause gearshift overall volume bigger than normal, are usually applicable to large-scale electric vehicle.And miniaturization is all tended to present a lot of electric vehicle, particularly the berth-changing strength of pure electric automobile two grades of gearboxes is less demanding, so traditional gearshift mechanism is very not applicable.Two grades of slide block fork gearshift mechanisms effectively can solve the power needs of small-sized pure electric automobile.
Analyze from motor and motor control unit design angle, install the pure electric automobile of speed changer additional, the IGBT constant power switch element operating current of machine operation under the operating modes such as weak magnetics detect can be reduced, this should be conducive to the life-span of improving motor controller unit, the performance requirement to power cell element can be reduced simultaneously, be conducive to the cost reducing motor and control unit.
Many gears automatic transmission to raising new-energy automobile power character, extend new-energy automobile continual mileage, optimize new-energy automobile electric drive system assembly performance, reduce entire new energy automobile weight and cost, improve new-energy automobile and drive impression and all there is important function.Single reduction gear is difficult to meet the requirement that Consumer improves constantly new-energy automobile performance.Pure electric vehicle adopts many gears automatic transmission to be trend.
Model utility content
The utility model is in order to solve the bigger than normal and small-sized pure electric automobile power performance difference of gearshift complex structure, volume and high in cost of production problem, a kind of slide block fork gearshift mechanism of electric vehicle two-shift automatic speed variator is provided, to can gear shifting action be simplified, improve gear shift accuracy and reliability, improve the power performance of electric vehicle and reduced cost, thus the automatic transmission of various pure electric automobile can be adapted to.
The utility model is that technical solution problem adopts following technological scheme:
The slide block fork gearshift mechanism of a kind of electric vehicle two-shift automatic speed variator of the utility model, described electric vehicle two-shift automatic variable speed device comprises: input shaft, jack shaft, one grade of driving gear, second gear driving gear, first speed driven gear, second gear driven gear, mainly subtract driving gear, mainly subtract driven gear, signal initial ring, differential mechanism, driving lever; Described input shaft is connected with motor output shaft, described input shaft is fixed with respectively described one grade of driving gear and second gear driving gear, formative gear axle; Described jack shaft respectively empty set is provided with first speed driven gear and second gear driven gear, the jack shaft outside first speed driven gear is fixed with master and subtracts driving gear, connected firmly be provided with synchronizer between first speed driven gear and second gear driven gear by spline; Described one grade of driving gear often engages with described first speed driven gear, and described second gear driving gear often engages with second gear driven gear; Described master subtracts driving gear and subtracts driven gear with described master and often engage; Described master subtracts driven gear and is secured by bolts on differential mechanism flange plate; Its structural feature is,
Described slide block fork gearshift mechanism comprises: push-rod electric machine, line handspike, connecting rod and fork;
Described push-rod electric machine is fixedly linked by fixed support and gear box casing; The output terminal of described push-rod electric machine is described line handspike; One end of described line handspike and described connecting rod is hinged, forms the first revolute pair; The other end of described connecting rod is connected with described fork by hinge bolt, forms the second revolute pair;
Be provided with flat groove in described fork base, and be fastenedly connected by the upper homalocephalus of screw and described driving lever;
The lower homalocephalus of described driving lever stretches in the fork slot of described synchronizer; Make described driving lever that described shift fork can be driven to move;
Described slide block fork gearshift mechanism drives described line handspike to do straight reciprocating motion with described push-rod electric machine, and drive described link motion, thus drive described fork swing and drive described shift fork to move axially along jack shaft direction by described driving lever, thus drive described synchronizer to engage with described first speed driven gear or second gear driving gear, to realize gear shift.
The structural feature of the slide block fork gearshift mechanism of electric vehicle two-shift automatic speed variator described in the utility model is also:
Described fork comprises three positions, is respectively neutral position, a file location and two file locations; Described neutral position is positioned at centre, and a described file location is carried out being rotated counterclockwise several angle at neutral position by described fork and formed, and described two file locations to be carried out turning clockwise several angle and being formed at neutral position by described fork;
Described push-rod electric machine stops controlling described line handspike realize the neutral position of described fork, a file location and two file locations by controlling turning of motor; Described push-rod electric machine changes shift rate by the rotating speed height controlling motor.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model adopts the Five-link machine of push-rod electric machine, because Five-link machine by moving axially of synchronizer is changed into radial straight line motion, thus effectively can utilize space, make gearshift mechanism and speed changer structure compacter.
2, the push-rod electric machine that the utility model adopts passes through screw-nut structure, and the frictional force between kinematic pair is little, and transmission efficiency is high, improves gear shift precision, enhances gear shift reliability.
3, the given voltage of push-rod electric machine that the utility model uses just can work, so namely possess auto-lock function after changing to target gear deenergization, therefore makes more compact structure, and weight is lighter, meets the light-weighted principle of electric vehicle.
4, push-rod electric machine of the present utility model is simple to operate, and control logic is simple, and therefore fault power is low, and cost of production is little, can promote all sidedly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is the utility model fork gear shifting position diagram;
Fig. 4 is a kind of pure electric automobile drive system structure sketch;
Sequence number in figure: 1 gear shift push-rod electric machine; 2 differential mechanisms; 3 line handspikes; 4 shift forks; 5 connecting rods; 6 second gear driven gears; Believe No. 7 generators; 8 forks; 9 input shafts; 10 second gear driving gears; 11 driving levers; 12 1 grades of driving gears; 13 first speed driven gears; 14 masters subtract driving gear; 15 jack shafts; 16 masters subtract driven gear; 17 synchronizers.
Embodiment
In the present embodiment, see Fig. 1, Fig. 2 and Fig. 4, electric vehicle two-shift automatic variable speed device comprises: input shaft 9, jack shaft 15, one grade of driving gear 12, second gear driving gear 10, first speed driven gear 13, second gear driven gear 6, main subtract driving gear 14, mainly subtract driven gear 16, signal initial ring 7, differential mechanism 2, driving lever 11; Input shaft 9 is connected with motor output shaft, input shaft 9 is fixed with respectively one grade of driving gear 12 and second gear driving gear 10, formative gear axle; Jack shaft 15 respectively empty set is provided with first speed driven gear 13 and second gear driven gear 6, jack shaft 15 outside first speed driven gear 13 is fixed with master and subtracts driving gear 14, connected firmly by spline between first speed driven gear 13 and second gear driven gear 6 and be provided with synchronizer 17; One grade of driving gear 12 often engages with first speed driven gear 13, and second gear driving gear 10 often engages with second gear driven gear 6; Main subtract driving gear 14 with leading and subtract driven gear 16 and often engage; Master subtracts driven gear 16 and is secured by bolts on differential mechanism 2 flange plate; Power drives the first speed driven gear 13 on jack shaft 15 often to turn with second gear driven gear 6 by input shaft one grade of driving gear 12 and second gear driving gear 10, synchronizer 17 and jack shaft 15 pass through spline coupling, when synchronizer 17 is selected to engage with first speed driven gear 13 or second gear driven gear 6, power is passed to jack shaft 15 by synchronizer 17 by the driven gear engaged, thus drives jack shaft 15 to rotate; Meanwhile, the master on jack shaft 15 subtracts driving gear 14 and drives and main subtract driven gear 16 transmission of power is passed to semiaxis again to differential mechanism 2.
Slide block fork gearshift mechanism in the present embodiment, as depicted in figs. 1 and 2, comprising: push-rod electric machine 1, line handspike 3, connecting rod 5, fork 8;
Push-rod electric machine 1 to be bolted with gear box casing by fixed support and to be connected; The output terminal of push-rod electric machine 1 is line handspike 3; Line handspike 3 is hinged with one end of described connecting rod 5, forms the first revolute pair; The other end of connecting rod 5 is connected with fork 8 by hinge bolt, forms the second revolute pair; From slide block fork principle, when line handspike 3 does reciprocating linear motion, can fork 8 dead axle be driven to swing by connecting rod 5 power.
Be provided with flat groove in fork 8 base, and be fastenedly connected by the upper homalocephalus of screw and driving lever 11;
The lower homalocephalus of driving lever 11 stretches in the fork slot of shift fork 4; Make driving lever 11 that shift fork 4 can be driven to move vertically;
Slide block fork gearshift mechanism drives line handspike 3 to do straight reciprocating motion with push-rod electric machine 1, and drivening rod 5 moves, thus drive fork 8 do dead axle swing and drive shift fork 4 to move axially along jack shaft 15 direction by driving lever 11, thus drive synchronizer 17 to engage with first speed driven gear 13 or second gear driving gear 10, to realize gear shift.
In concrete enforcement, see Fig. 3, fork 8 has three positions, is respectively neutral position 80, file location 81 and two file locations 82; Neutral position 80 is positioned at centre, and a file location 81 is carried out being rotated counterclockwise several angle at neutral position 80 by fork 8 and formed, and two file locations 82 to be carried out turning clockwise several angle and being formed at neutral position 80 by fork 8;
Push-rod electric machine 1 stops controlling neutral position 80, file location 81 and two file locations 82 that line handspike 3 realizes fork 8 by controlling turning of motor; Push-rod electric machine 1 changes shift rate by the rotating speed height controlling motor.
Working principle of the present utility model is described as follows:
When electric vehicle is started to walk, electric machine rotation, in order to make electric vehicle have larger moment of torsion, see Fig. 1 and Fig. 4, by controlling push-rod electric machine 1, line handspike 3 is bounced back, line handspike 3 pulls fork 8 to rotate counterclockwise by connecting rod 5.Because fork 8 and driving lever 11 are fastenedly connected, drive driving lever 11 to be rotated counterclockwise the clutch collar making shift fork 4 promote synchronizer 17 and be moved to the left, engage with first speed driven gear 12, thus change gear into one grade, complete the process that starting is accelerated.Now, power passes to jack shaft 15 by one grade of driving gear 12 and first speed driven gear 13 by synchronizer 17 by input shaft 9, the rotation of jack shaft 15 drives the main driving gear 114 that subtracts to subtract driven gear 16 by transmission of power to differential mechanism 2 with main, and differential mechanism 2 drives wheel by planetary pinion transferring power to semiaxis.
After the speed of a motor vehicle rises, compared with upshift desired value by sensor measurement actual value, if actual value reaches desired value, make push rod 3 drivening rod of extrapolating that fork 8 is rotated clockwise by control push-rod electric machine 1.Fork 8 drives driving lever 11 to rotate, and the clutch collar making shift fork 4 promote synchronizer 17 moves right, and departs from and engages with second gear driven gear 6 afterwards, thus gear is upgraded to second gear by one grade, complete shift-up action with first speed driven gear 13.Now, power passes to jack shaft 15 by second gear driving gear 10 and second gear driven gear 6 by synchronizer 17 by input shaft 9, the rotation of jack shaft 15 drives the main driving gear 14 that subtracts to subtract driven gear 16 by transmission of power to differential mechanism 2 with main, differential mechanism 2 to wheel by planetary pinion transferring power, is improved the speed of a motor vehicle by regulating motor speed and completes and accelerate and run at high speed.
When electric vehicle needs to slow down or climb, need to obtain larger tractive force by downshift, second gear is now needed to be down to one grade, now compared with downshift rotating speed of target value by sensor measurement actual speed value, if actual speed value reaches rotating speed of target value, make push rod 3 drivening rod of extrapolating that fork 8 is rotated counterclockwise by controlling push-rod electric machine 1.Fork 8 drives driving lever 11 to rotate, and the clutch collar making shift fork 4 promote synchronizer 17 is moved to the left, and departs from and engages with first speed driven gear 13 afterwards, thus gear is reduced to one grade by second gear, complete shift-down action with second gear driven gear 6.Now, power passes to jack shaft 15 by one grade of driving gear 12 and first speed driven gear 13 by synchronizer 17 by input shaft 9, the rotation of jack shaft 15 drives the main driving gear 14 that subtracts to subtract driven gear 16 by transmission of power to differential mechanism 2 with main, and differential mechanism 2 passes through planetary pinion transferring power to wheel.
When electric vehicle needs to stop, when needing to be down to neutral gear from one grade, when accelerator open degree is zero, detects rotary speed actual value and rotating speed of target value by sensor, and synchronizer 17 shift fork 4 is placed in neutral position.Now, by brake until automobile stop.
Claims (2)
1. a slide block fork gearshift mechanism for electric vehicle two-shift automatic speed variator, described electric vehicle two-shift automatic variable speed device comprises: input shaft (9), jack shaft (15), one grade of driving gear (12), second gear driving gear (10), first speed driven gear (13), second gear driven gear (6), mainly subtract driving gear (14), mainly subtract driven gear (16), signal initial ring (7), differential mechanism (2), driving lever (11); Described input shaft (9) is connected with motor output shaft, described input shaft (9) is fixed with respectively described one grade of driving gear (12) and second gear driving gear (10), formative gear axle; Described jack shaft (15) respectively empty set is provided with first speed driven gear (13) and second gear driven gear (6), the jack shaft (15) in first speed driven gear (13) outside is fixed with master and subtracts driving gear (14), connected firmly by spline between first speed driven gear (13) and second gear driven gear (6) and be provided with synchronizer (17); Described one grade of driving gear (12) is often engaged with described first speed driven gear (13), and described second gear driving gear (10) is often engaged with second gear driven gear (6); Described master subtracts driving gear (14) and subtracts driven gear (16) with described master and often engage; Described master subtracts driven gear (16) and is secured by bolts on differential mechanism (2) flange plate; It is characterized in that,
Described slide block fork gearshift mechanism comprises: push-rod electric machine (1), line handspike (3), connecting rod (5) and fork (8);
Described push-rod electric machine (1) is fixedly linked by fixed support and gear box casing; The output terminal of described push-rod electric machine (1) is described line handspike (3); Described line handspike (3) is hinged with one end of described connecting rod (5), forms the first revolute pair; The other end of described connecting rod (5) is connected with described fork (8) by hinge bolt, forms the second revolute pair;
Be provided with flat groove in described fork (8) base, and be fastenedly connected by the upper homalocephalus of screw and described driving lever (11);
The lower homalocephalus of described driving lever (11) stretches in the fork slot of described synchronizer (17); Make described driving lever (11) that described shift fork (4) can be driven mobile;
Described slide block fork gearshift mechanism drives described line handspike (3) to do straight reciprocating motion with described push-rod electric machine (1), and drive described connecting rod (5) to move, thus drive described fork (8) to swing and pass through described driving lever (11) and drive described shift fork (4) to move axially along jack shaft (15) direction, thus drive described synchronizer (17) to engage with described first speed driven gear (13) or second gear driving gear (10), to realize gear shift.
2. the slide block fork gearshift mechanism of electric vehicle two-shift automatic speed variator according to claim 1, is characterized in that:
Described fork (8) comprises three positions, is respectively neutral position (80), a file location (81) and two file locations (82); Described neutral position (80) is positioned at centre, a described file location (81) is carried out being rotated counterclockwise several angle at neutral position (80) by described fork (8) and is formed, and described two file locations (82) to be carried out turning clockwise several angle and being formed at neutral position (80) by described fork (8);
Described push-rod electric machine (1) stops controlling described line handspike (3) realize the neutral position of described fork (8), a file location and two file locations by controlling turning of motor; Described push-rod electric machine (1) changes shift rate by the rotating speed height controlling motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633066.4U CN204828632U (en) | 2015-08-19 | 2015-08-19 | Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633066.4U CN204828632U (en) | 2015-08-19 | 2015-08-19 | Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828632U true CN204828632U (en) | 2015-12-02 |
Family
ID=54686235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520633066.4U Withdrawn - After Issue CN204828632U (en) | 2015-08-19 | 2015-08-19 | Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204828632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065658A (en) * | 2015-08-19 | 2015-11-18 | 合肥工业大学 | Slider oscillating bar gear shifting mechanism for electric vehicle two-gear automatic transmission |
-
2015
- 2015-08-19 CN CN201520633066.4U patent/CN204828632U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065658A (en) * | 2015-08-19 | 2015-11-18 | 合肥工业大学 | Slider oscillating bar gear shifting mechanism for electric vehicle two-gear automatic transmission |
| CN105065658B (en) * | 2015-08-19 | 2017-12-26 | 合肥工业大学 | A kind of sliding block swing rod shifter of electric automobile two-shift automatic speed variator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105065658B (en) | A kind of sliding block swing rod shifter of electric automobile two-shift automatic speed variator | |
| CN101713448A (en) | Double clutch type automatic gearbox | |
| CN201705861U (en) | Double-clutch automatic transmission | |
| CN2480213Y (en) | Automatic shafting mechanism for vehicle gearing box | |
| CN103206529A (en) | Linear movement buffering type speed change control mechanism and automatic speed change device | |
| CN103185135A (en) | Drive mechanism of automated electrically-controlled mechanical transmission | |
| CN206785990U (en) | New-energy automobile electric-controlled mechanical linear shift automatic transmission | |
| CN202165585U (en) | Built-in AMT (Automated Mechanical Transmission) gear shifting drive system | |
| CN1616853A (en) | Double clutch type automatic gearbox | |
| CN204267619U (en) | The two jack shaft 12 grades of heavy-duty transmission assemblies of Al-alloy casing | |
| CN111059229A (en) | Intelligent automatic transmission of new energy automobile and control method | |
| CN201320614Y (en) | Radial drilling machine | |
| CN102817974B (en) | Eight-gear planetary automatic speed changer | |
| CN204828632U (en) | Two slider pendulum rod shifters that keep off automatic gearbox of electric automobile | |
| CN103982605A (en) | Shift mechanism and double-clutch combined transmission and vehicle using shift mechanism | |
| CN204878684U (en) | Shifter suitable for 6 shelves gearbox | |
| CN203162126U (en) | Electric lead screw driving mechanism of automatic transmission | |
| CN202402615U (en) | Driving mechanism for automated mechanical transmission (AMT) | |
| CN216555171U (en) | Speed changer | |
| CN216555172U (en) | Input shaft sectional type transmission | |
| CN205136567U (en) | Electric automobile keeps off automatic speed changing shift system with two | |
| CN109268454A (en) | A kind of worm-gear type two keeps off speed change gear and its method for changing speed | |
| CN106337905B (en) | A kind of gear arrangement for hybrid vehicle | |
| CN206190878U (en) | Multi -gear speed changer | |
| CN108180261A (en) | A kind of automatic mechanical transmission speed change system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20171226 |