CN200982400Y - Electric-controlled gear shift control device of automobile speed-changer - Google Patents
Electric-controlled gear shift control device of automobile speed-changer Download PDFInfo
- Publication number
- CN200982400Y CN200982400Y CN 200620111974 CN200620111974U CN200982400Y CN 200982400 Y CN200982400 Y CN 200982400Y CN 200620111974 CN200620111974 CN 200620111974 CN 200620111974 U CN200620111974 U CN 200620111974U CN 200982400 Y CN200982400 Y CN 200982400Y
- Authority
- CN
- China
- Prior art keywords
- gear
- shift
- electromagnet
- sliding sleeve
- shift shaft
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
An electrically controlled electric shift control device of an automobile speed transmission comprises a selectro executive mechanism, a shift executive mechanism and a gear location detecting mechanism. The utility model is characterized in that the selectro executive mechanism is directly driven by two electromagnets, an electromagnet lower iron core (12) is associated with a shift shaft (10) and an upper iron core (19) is connected with the lower iron core (12) to be an integral body through a connecting screw rod (14) to motivate the selectro shaft to move up-and-down and the selectro movement is completed. The shift executive mechanism is driven by a speed reduction motor (1) to anchor the shift shaft to rotate to complete the shift movement through a gear (3) and a fan-shaped tooth-sliding sleeve (2). The gear location detecting mechanism comprises two inching switches (21) (22), a permanent magnet (5), a linear hall element (7), a position for detecting the selectro and shift movement and a current gear location. The device is controlled by an electric control unit to realize the automatic shift control of the mechanical speed transmission. Because the electromagnet has the advantages of fast movement and accurate position with no abrasion or the like, the shift time is reduced to guarantee the working reliability. The device is simple in structure with convenient mounting and arrangement and is applicable to the electrically controlled mechanical automatic speed transmission shift control of different automobiles.
Description
Technical field:
The utility model relates to automotive transmission electricity powered shift controller, is specifically related to the electronic shifting implementation device that selects of a kind of automobile electrically-controlled automatic speed changer for machine.
Background technique:
Present automobile electrically-controlled gear shift actuator for mechanical automatic speed transmission mainly adopts electric-controlled hydraulic and two kinds of driving mode of electricity powered.Wherein electric-controlled hydraulic actuator to have speed of response fast, the control accuracy advantages of higher, but hydraulic system is made up of oil hydraulic pump, electromagnetic valve group, execution oil cylinder, accumulator, fuel tank and pipeline etc., has the system architecture complexity, weight is big, cost is high, installation and maintenance requirement height, service behaviour are subjected to shortcomings such as influence of temperature change is big, hydraulic fluid leak befouling environment.Electricity powered actuator is a drive unit with motor usually, directly with power supply power supply on the car, do not need independent power source, have advantages such as control is simple, cost is low, convenient for installation and maintenance, but because the little rotating speed height of motor output torque often need to be used with reducing gear, so the volume of electricity powered actuator is bigger, be not easy on speed changer, arrange, change electric-controlled mechanical automatic speed changing into for the car that hand gear vehicle especially space is less and brought difficulty.In existing electricity powered gear-shifting actuating mechanism technological scheme, adopt the stepper motor source that is used as power as ZL00236998.2 " actuator of vehicle electrically controlling automatic mechanical transmission system ", by rope sheave or chain wheel drive gear-selecting-shifting mechanism, it takes up space greatly, the structural configuration difficulty, rapidity is poor, is difficult to satisfy select the switching speed requirement.Some then adopts turbine and worm decelerator, as the open CN1851294A " gear shift actuator for mechanical automatic speed transmission " of application for a patent for invention, its gear selecting mechanism and gearshift mechanism all adopt worm type of reduction gearing, because the latching characteristics of worm and gear, the effect of inertia of mechanism in addition, select to be difficult in the gearshift procedure all reach predetermined neutral position after shelves and gear selecting end are plucked in assurance at every turn, may hang to advance the phenomenon of shelves in the gearshift procedure.As shown in Figure 5, for example when 2 grades were changed 3 grades, at first the gear-shifting actuating mechanism action made shift shaft withdraw from 2 grades, gets back to 1-2 shelves neutral position, and gear selecting actuator could move then, otherwise gear selecting actuator can't move.Shift shaft must be parked in the neutral position of 3-4 shelves after same gear selecting action was finished, otherwise gear-shifting actuating mechanism can not move.And for example ZL96109261.0 " electricity drives the control of slide mechanism " adopts feed screw nut's reducing gear, because the latching characteristics of leading screw and nut mechanism, accurately be parked in predetermined neutral position after being difficult to equally guarantee to pluck shelves and gear selecting release at every turn, cause the gear shift difficulty.
Summary of the invention:
The purpose of this utility model is to improve the deficiencies in the prior art and proposes a kind ofly to unite the gear-selecting and shifting executing mechanism of driving by electromagnet and motor, realizes Automatic Shift Control, has simple in structure, arrangement convenience, short, gear shift reliable characteristics of gear selecting time.
The technical solution of the utility model is: a kind of automotive transmission electricity powered shift controller, form by gear selecting mechanism, gearshift mechanism and gear feeler mechanism.Gear selecting actuator comprises shift shaft, lower core, connecting screw rod, lower coil, electromagnet lower shell body, armature, electromagnet upper shell, goes up coil, upper core.Lower core is connected with shift shaft, and can relatively rotate.By the connecting screw rod that passes the armature center hole lower core and upper core are connected as a single entity.In electromagnet upper shell and the lower shell body coil is installed, by the screw thread on the armature electromagnet lower shell body and upper shell is linked as an integral body, and is fixed on the bearing with socket head screw.Iron core can move up and down in the coil center hole, and the drive shift shaft moves up and down and finishes the gear selecting action.Gear-shifting actuating mechanism comprises reducing motor, be installed in gear on the reducing motor output shaft, with the fan tooth sliding sleeve of gear engagement.Fan tooth sliding sleeve endoporus has keyway, and between the shift shaft for being slidingly matched, flat key is installed on the shift shaft, can in fan tooth sliding sleeve endoporus, move up and down at shift shaft under the restriction of flat key, and rotate with sliding sleeve.The fan tooth sliding sleeve is installed in the endoporus of bearing cylindrical shape part, and its external cylindrical surface and bearing endoporus are Spielpassung.Gear feeler mechanism comprises the permanent magnet that is fixed on the fan tooth bottom, be installed in the linear hall element on the bearing and be fixed on two sensitive switches at electromagnet upper shell top.Controller judges that by the on off operating mode of two sensitive switches and the output voltage of linear hall element whether gear selecting action and gear shift action put in place, constitute feedback control, and current gear is discerned.At electromagnet upper shell top dust-proof cover is installed.
This shift controller is controlled by ECU (Electrical Control Unit), ECU (Electrical Control Unit) is according to the signal that obtains from gear feeler mechanism when needing gear shift, judge the current gear of speed changer, send driving current signal to electromagnet and reducing motor respectively, promote shift shaft by electromagnet and move up and down and carry out the gear selecting action, drive shift shaft by reducing motor by the fan tooth sliding sleeve and rotate and carry out the gear shift action.When changing 1 grade or 2 grades from neutral gear, top electromagnet energising, upper core drives shift shaft and moves downward under the electromagnetic force effect, two the sensitive switch contacts and the upper core that are fixed on electromagnet upper shell top break away from, ECU (Electrical Control Unit) obtains the signal that two sensitive switches disconnect, show that downward gear selecting puts in place, send driving current to reducing motor then, gear drive fan tooth sliding sleeve on the reducing motor output shaft rotates, the drive shift shaft rotates, and detects by linear hall element simultaneously and to the amounts of rotation signal of ECU (Electrical Control Unit) feedback fan tooth sliding sleeve, ECU (Electrical Control Unit) is judged after gear shift puts in place makes the motor stall, make the electromagnet outage simultaneously, finish gearshift procedure.When changing 2 grades or 2 grades when changing 1 grade from 1 grade, it is the next that last electromagnet energising remains on shift shaft, and motor rotation is simultaneously withdrawed from former gear and directly changed to new shelves, and ECU (Electrical Control Unit) is judged according to the signal of gear feeler mechanism, make the outage of electromagnet and motor after gear shift puts in place, finish gearshift procedure.When 1,2 grade is changed 3,4 grades, motor is rotated withdraw from former gear, shift shaft arrives 1-2 shelves neutral position, the amounts of rotation signal of ECU (Electrical Control Unit) by the detected fan tooth sliding sleeve of linear hall element judged makes the motor stall after putting in place, shift shaft is got back to 3-4 shelves neutral position under the spring action of speed changer positioned internal simultaneously, this sensitive switch connection at present shows that gear selecting puts in place, and motor rotates once more and changes to new shelves then.3, between 4 grades also be the direct gear shift that need not the gear selecting process, the electromagnet no electric circuit only needs the control motor to rotate and finishes.When 4 grades are changed 5 grades, ECU (Electrical Control Unit) is at first controlled the motor rotation and is withdrawed from 4 grades, when detecting shift shaft arrival 3-4 shelves neutral position by linear hall element, make the motor stall, make bottom electromagnet energising simultaneously, lower core drives shift shaft and moves upward under the electromagnetic force effect, two sensitive switch contacts contact with upper core and make two switch connections, ECU (Electrical Control Unit) obtains the signal that two sensitive switches are connected, show to the motion of shift shaft gear selecting and put in place, ECU (Electrical Control Unit) sends driving current to reducing motor once more, and reducing motor driving wheel fan tooth sliding sleeve rotates, and drives shift shaft and rotates, detect and feed back the amounts of rotation signal of fan tooth sliding sleeve simultaneously to ECU (Electrical Control Unit) by linear hall element, ECU (Electrical Control Unit) is judged after gear shift puts in place makes the motor stall, makes the electromagnet outage simultaneously, finishes gearshift procedure.
Adopt such scheme,, and do not have wearing and tearing, reliability height during work of electromagnet because the electromagnet quick action can reduce the gear selecting process time greatly.Owing to adopt reduction gears mechanism, there is not the self-locking problem, even certain error appears in the motor pivotal position, under the effect of gearbox selector retaining spring, shift shaft also can be adjusted to the precalculated position automatically, has guaranteed the regular event of gear-selecting and shifting executing mechanism.This apparatus structure is simple, and reliable operation has stronger adaptability and versatility.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the A-A view of Fig. 1
Fig. 3 is lower core 12 structural drawing
Fig. 4 is that the K of Fig. 3 is to view
Fig. 5 is the gear schematic representation
Among the figure: 1-reducing motor 2-fan tooth sliding sleeve 3-gear 4-bolt 5-permanent magnet 6-elastic scheibe 7-linear hall element 8-flat key 9-bearing 10-shift shaft 11-seal ring 12-lower core 13-socket head screw 14-connecting screw rod 15-lower coil 16-electromagnet lower shell body 17-armature 18-electromagnet upper shell 19-upper core 20-goes up coil 21-sensitive switch K
122-sensitive switch K
2The 23-dust-proof cover
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of automotive transmission electricity powered shift controller is made up of gear selecting actuator, gear-shifting actuating mechanism and gear test section.Gear selecting actuator comprises shift shaft 10, lower core 12, connecting screw rod 14, lower coil 15, electromagnet lower shell body 16, armature 17, upper core 19, goes up coil 20, electromagnet upper shell 18; Gear-shifting actuating mechanism comprises reducing motor 1, fan tooth sliding sleeve 2, gear 3; The gear test section comprises permanent magnet 5, linear hall element 7, sensitive switch K
121 and sensitive switch K
222.Lower core 12 is connected with shift shaft 10, and can relatively rotate, the center hole that is passed armature 17 by connecting screw rod 14 is connected as a single entity lower core 12 and upper core 19, electromagnet lower shell body 16 is fixed on the bearing 9 by socket head screw 13, armature 17 is connected as a single entity electromagnet lower shell body 16 and electromagnet upper shell 18 by screw thread, in upper shell 18 and the lower shell body 16 coil 15 and 20 are installed, iron core can move up and down in the coil center hole, reducing motor 1 is fixed on the bearing 9 by bolt 4, be equipped with on the reducing motor output shaft and fan tooth sliding sleeve 2 meshed gears 3, fan tooth sliding sleeve 2 endoporus have keyway, be installed on the shift shaft 10, and between the shift shaft for being slidingly matched, shift shaft 10 can slide up and down in the fan tooth sliding sleeve under the restriction of flat key 8, between fan tooth sliding sleeve 2 external cylindrical surfaces and bearing 9 endoporus is Spielpassung, the fan tooth bottom of fan tooth sliding sleeve 2 is fixed with permanent magnet 5, corresponding position with permanent magnet 5 on bearing 9 is fixed with linear hall element 7, at upper shell 18 tops sensitive switch K is installed
121, sensitive switch K
222 and dust-proof cover 23, bearing is fixed on this gear-shifting actuating mechanism on the speed changer by mounting screw, with shift shaft 10 cooperation places seal ring 11 is arranged on bearing 9.
Select shifting implementation device to control by ECU (Electrical Control Unit), when neutral gear changes 1 grade or 2 grades, ECU (Electrical Control Unit) at first upwards electromagnet sends driving current, coil 20 gets on the electromagnet, upper core 19 drives shift shaft 10 by connecting screw rod 14 and lower core 12 and moves downward under the electromagnetic force effect, be fixed on the sensitive switch K at electromagnet upper shell 18 tops
121 and K
222 contacts and upper core 19 break away from, control unit obtains the signal that two sensitive switches disconnect, show that gear selecting puts in place, send driving current to reducing motor 1 then, gear 3 driving fan tooth sliding sleeves 2 on the reducing motor output shaft rotate, and drive shift shaft 10 and rotate, and detect and feed back to control unit the amounts of rotation signal of fan tooth sliding sleeve 2 by linear hall element 7, when the gear shift rear motor stall that puts in place, finish gearshift procedure.Change 2 grades or 2 grades when changing 1 grade from 1 grade, control unit is coil 20 transmission driving currents on electromagnet at first, make upper core 19 produce downward electromagnetic force, keep shift shaft 10 to be in the next, send driving current signal to reducing motor 1 simultaneously, motor drives shift shaft 10 by fan tooth sliding sleeve 2 and rotates, withdraw from 1 grade (2 grades) and change to 2 grades (1 grades), detect the fan tooth amounts of rotation by linear hall element 7, control unit stops upwards coil 20 and reducing motor 1 transmission driving current signal when gear shift puts in place, finishes gearshift procedure.2 grades when changing 3 grades, control unit sends driving current signal to reducing motor 1 earlier, drives shift shaft 10 and rotates and withdraw from 2 grades, and shift shaft 10 moves upward under the effect of speed changer positioned internal spring, arrives 3-4 shelves neutral position, and upper core 19 makes sensitive switch K
121 connect, and control unit obtains the gear selecting signal that puts in place, sends driving current signal to reducing motor 1, motor driving fan tooth sliding sleeve 2 drives shift shaft 10 rotations and changes to 3 grades, linear hall element 7 detects the amounts of rotation of fan tooth, and gearshift procedure was finished in the motor stall when gear shift put in place.3 grades are changed 4 grades (4 grades are changed 3 grades) and are the direct gear shift of no gear selecting process, control unit sends driving current signal to reducing motor 1, motor rotates, 10 rotations of drive shift shaft are withdrawed from 3 retainings (4 grades) and are directly changed to 4 grades (3 grades), linear hall element 7 detects the gear shift signal rear motor stall that puts in place, finishes 3 grades (4 grades) and changes 4 grades of (3 grades) processes.4 grades when changing 5 grades, reducing motor 1 at first rotates and withdraws from 4 grades, motor stall when linear hall element 7 detects shift shaft 10 arrival 3-4 shelves neutral positions, and control unit sends drive signals to electromagnet lower coil 15, lower core 12 drives shift shaft 10 and moves upward, and upper core 19 makes sensitive switch K
1(21), K
2When (22) connecting simultaneously, show that upwards gear selecting puts in place, the motor moving shift shaft rotation of rotating band once more changes to 5 grades.
After selecting the gear shift action to finish, can determine the current gear of speed changer after the shift shaft amounts of rotation signal of linear hall element 7 outputs and sensitive switch (21) (22) signal combination by control unit.
Claims (1)
1. automotive transmission electricity powered shift controller, form by gear selecting actuator, gear-shifting actuating mechanism and gear feeler mechanism, it is characterized in that gear selecting actuator comprises shift shaft (10), lower core (12), connecting screw rod (14), lower coil (15), electromagnet lower shell body (16), armature (17), upper core (19), electromagnet upper shell (18), goes up coil (20); Gear-shifting actuating mechanism comprises reducing motor (1), gear (3), fan tooth sliding sleeve (2); Gear feeler mechanism comprises permanent magnet (5), linear hall element (7), sensitive switch K
1(21) and sensitive switch K
2(22); Lower core (12) is connected with shift shaft (10), and can relatively rotate, the center hole that is passed armature (17) by connecting screw rod (14) is connected as a single entity lower core (12) and upper core (19), electromagnet lower shell body (16) is fixed on the bearing (9) by socket head screw (13), be separately installed with coil (20) and lower coil (15) in electromagnet upper shell (18) and the electromagnet lower shell body (16), armature (17) is connected as a whole with electromagnet upper shell (18) electromagnet lower shell body (16) by screw thread, upper core (19) and lower core (12) can move up and down in the coil center hole, reducing motor (1) is made up of direct current generator and gear reducer, and be fixed on the bearing (9) by bolt (4), be equipped with on its output shaft and fan tooth sliding sleeve (2) meshed gears (3), and by elastic scheibe (6) axially locating, fan tooth sliding sleeve (2) endoporus has keyway, be installed on the shift shaft (10), and between the shift shaft (10) for being slidingly matched, shift shaft (10) can move up and down in fan tooth sliding sleeve (2) endoporus under the restriction of flat key (8), and rotate with fan tooth sliding sleeve (2), between fan tooth sliding sleeve (2) external cylindrical surface and bearing (9) endoporus is Spielpassung, the fan tooth bottom of fan tooth sliding sleeve (2) is fixed with permanent magnet (5), corresponding position last at bearing (8) and permanent magnet (5) is fixed with linear hall element (7), at electromagnet upper shell (18) top sensitive switch K is installed
1(21), sensitive switch K
2(22) and dust-proof cover (23), go up and there is seal ring (11) shift shaft (10) cooperation place at bearing (9), bearing is fixed on this shift controller on the case of transmission by mounting screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620111974 CN200982400Y (en) | 2006-12-18 | 2006-12-18 | Electric-controlled gear shift control device of automobile speed-changer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620111974 CN200982400Y (en) | 2006-12-18 | 2006-12-18 | Electric-controlled gear shift control device of automobile speed-changer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN200982400Y true CN200982400Y (en) | 2007-11-28 |
Family
ID=38909558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620111974 Expired - Fee Related CN200982400Y (en) | 2006-12-18 | 2006-12-18 | Electric-controlled gear shift control device of automobile speed-changer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN200982400Y (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010003364A1 (en) * | 2008-07-08 | 2010-01-14 | 奇瑞汽车股份有限公司 | A gear shifting mechanism for vehicle automatic transmission |
CN101637903B (en) * | 2008-07-31 | 2011-12-07 | 苏州宝时得电动工具有限公司 | Speed changer |
CN102401115A (en) * | 2011-10-23 | 2012-04-04 | 河南科技大学 | Automatic gear selecting and shifting mechanism for gearbox |
CN101637902B (en) * | 2008-07-31 | 2012-07-25 | 苏州宝时得电动工具有限公司 | Speed changer |
CN103148215A (en) * | 2011-12-07 | 2013-06-12 | 株式会社东海理化电机制作所 | Solenoid and shift device |
CN103498916A (en) * | 2013-10-11 | 2014-01-08 | 十堰维克多工业有限公司 | Automatic transmission execution system of automobile |
CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
CN107514459A (en) * | 2017-08-08 | 2017-12-26 | 广州汽车集团股份有限公司 | Linear pattern position detecting mechanism and line traffic control shift actuator |
CN110159747A (en) * | 2019-06-05 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | Shift actuator and gearbox |
CN110886840A (en) * | 2018-09-11 | 2020-03-17 | 上海汽车变速器有限公司 | Automatic gear shifting mechanism of transmission |
CN111577885A (en) * | 2019-01-31 | 2020-08-25 | 湖南中成动力科技有限公司 | Automatic gear shifting device of combined electromagnet |
CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
-
2006
- 2006-12-18 CN CN 200620111974 patent/CN200982400Y/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010003364A1 (en) * | 2008-07-08 | 2010-01-14 | 奇瑞汽车股份有限公司 | A gear shifting mechanism for vehicle automatic transmission |
CN101637903B (en) * | 2008-07-31 | 2011-12-07 | 苏州宝时得电动工具有限公司 | Speed changer |
CN101637902B (en) * | 2008-07-31 | 2012-07-25 | 苏州宝时得电动工具有限公司 | Speed changer |
CN102401115A (en) * | 2011-10-23 | 2012-04-04 | 河南科技大学 | Automatic gear selecting and shifting mechanism for gearbox |
CN103148215B (en) * | 2011-12-07 | 2016-01-06 | 株式会社东海理化电机制作所 | Electromagnetic element and gearshift |
CN103148215A (en) * | 2011-12-07 | 2013-06-12 | 株式会社东海理化电机制作所 | Solenoid and shift device |
CN103498916A (en) * | 2013-10-11 | 2014-01-08 | 十堰维克多工业有限公司 | Automatic transmission execution system of automobile |
CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
CN107514459A (en) * | 2017-08-08 | 2017-12-26 | 广州汽车集团股份有限公司 | Linear pattern position detecting mechanism and line traffic control shift actuator |
CN107514459B (en) * | 2017-08-08 | 2019-03-12 | 广州汽车集团股份有限公司 | Linear type position detecting mechanism and line traffic control shift actuator |
CN110886840A (en) * | 2018-09-11 | 2020-03-17 | 上海汽车变速器有限公司 | Automatic gear shifting mechanism of transmission |
CN111577885A (en) * | 2019-01-31 | 2020-08-25 | 湖南中成动力科技有限公司 | Automatic gear shifting device of combined electromagnet |
CN110159747A (en) * | 2019-06-05 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | Shift actuator and gearbox |
CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN200982400Y (en) | Electric-controlled gear shift control device of automobile speed-changer | |
CN100540954C (en) | A kind of integrated electric auto-shifting device that is applied to transmission case of commercial vehicle | |
CN1920348A (en) | Control device for electric controlled automatic shift for vehicle variator | |
CN204420084U (en) | A kind of motor direct-drive formula gear-shifting actuating mechanism | |
CN100480553C (en) | Method and arrangement for counteracting inappropriate manual gearshifts in predetermined vehicle conditions | |
CN101344168A (en) | Hydraulic change gear device of mechanical automatic speed transmission | |
CN211649023U (en) | Manual and automatic switchable gear shifting device for unmanned vehicle | |
CN102619969A (en) | Electronic-control electric six-gear automatic gear-shifting system | |
CN101105224A (en) | Electronic control pneumatic mechanical type automatic variable-speed gear | |
CN101581362B (en) | Actuator for shift transformation of automatic gearbox of heavy type commercial automobile | |
CN202732919U (en) | Electronically controlled pneumatic shift lever mechanism, speed control system and vehicle adopting mechanism | |
CN101353016A (en) | Automatic gear shift apparatus for vehicle speed variation | |
CN202392099U (en) | Automatic gear shifting device for changing speed of vehicle | |
CN110985666A (en) | Electric gear selecting and shifting actuating mechanism | |
CN201137691Y (en) | Mechanical electrical hydraulic pneumatic integrated speed-changer gear shifting control module | |
CN100412417C (en) | Programmable logic control device for automobile transmission case with manual gearshift | |
CN100422600C (en) | Shift inductor of automobile transmission | |
CN202301904U (en) | Automatic gear position selection and shift mechanism for speed changing box | |
CN201193697Y (en) | Automatic gear shifting device for transmission | |
CN202484278U (en) | Electric gear-shifting actuating mechanism | |
CN2881229Y (en) | Two driving-four driving electric switching device for full ground cycle | |
CN106949232B (en) | The hydraulic gear-shifting mechanism of automatic mechanical transmission is kept off for electric vehicle two | |
CN206785992U (en) | The hydraulic gear-shifting mechanism of automatic mechanical transmission is kept off for electric automobile two | |
CN2866982Y (en) | Vehicle speed variator gear induction device | |
CN101539200B (en) | Automatic transmission system used in tracked vehicle fixed shaft gearbox |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071128 Termination date: 20100118 |