CN2475607Y - Actuation mechanism for vehicle electric-controlled auto-speed variator - Google Patents

Abstract

The utility model relates to an actuator of the vehicle electronic control automated mechanical transmission system in vehicle engineering field. The actuator of the automated mechanical transmission comprises a clutch, a throttle control mechanism, a gear-selecting control mechanism and a gear-shifting control mechanism, and is characterized in that the four parts use each stepping motor as the power source, and the stepping motor can use the double-shaft extension type structure. One end of the shaft is provided with a revolving potentiometer, and the other end of the shaft is connected with a driven member through a transmission mechanism. The mechanism has simple structure, convenient installation and adjustment, stable and reliable operation, and the actuator of the vehicle electronic control automated mechanical transmission has good starting and gear-shifting performance.

Description

The actuating unit of vehicle electrically controlling automatic machincal transmission

The utility model relates to the actuating unit of the vehicle electrically controlling automatic machincal transmission system in the Vehicle Engineering field.

The actuating unit that is used for the vehicle electrically controlling mechanical automatic speed changing at present mainly contains two kinds: a kind of is electrohydraulic actuator; A kind of----retarder actuating unit that is DC machine.Above-mentioned two kinds of actuating units all have weak point: 1, electrohydraulic actuator: its advantage is that the starting shift quality is good.Shortcoming: (1) complex structure.It comprises hydraulic oil fuel tank, oil pump and drive motor, solenoid directional control valve, integrated valve block, driving oil cylinder, connection oil pipe etc.(2) hydraulic efficiency pressure system transmission oil viscosity temperature influence.(3) big noise is arranged during motor band pump work, during machine operation computer (ECU) produced and disturb, piston produced bump etc. to cylinder body when gearshift finished.Certainly, these problems can adopt the oil temperature sensor, and pressure sensor is used fuzzy control in system, and control methods such as adaptive control solve by software, but the result controls more complicatedly, and cost is higher.And because part is many, the installation and maintenance difficulty is big, and the trouble point increases.Reduced the reliability of work.2, DC machine-retarder actuating unit: its advantage is simple in structure, and cost is low.Shortcoming is: (1) speed governing difficulty is difficult to guarantee high starting shift quality.When (2) DC machine is rotated and to be obstructed, easily cause in the driving circuit transistor damage or burn motor.(3) dc motor speed height needs the speed reduction gearing of big speed ratio.Undersized speed reduction gearing complex structure, the cost height.(4) be difficult for adjusting, synchro is hit, reduce service life.So seek a kind of simple in structurely, starting, gearshift performance are good, and the actuating unit of work stability and reliability is a development electric control mechanical type automatic speed variator very important problem.

The purpose of this utility model provide a kind of simple in structure, install easy to adjustly, working stability is reliable, the actuating unit of starting, vehicle electrically controlling automatic machincal transmission that the gearshift performance is good.

The purpose of this utility model is achieved in that accompanying drawings is as follows:

The actuating unit of vehicle electrically controlling automatic machincal transmission is by power-transfer clutch, Throttle Opening Control mechanism and choosing, gear shift control mechanism four parts are formed, this four part is by separately stepping motor 3 source that is used as power, stepping motor can adopt twin shaft to stretch the formula structure, one end of axle is equipped with rotational potentiometer 1, the other end of axle links to each other with Passive part by transmission device, be used for power-transfer clutch, the transmission device of stepping motor 3 axle heads of Throttle Opening Control is that clutch disengaging lever 5 links to each other with throttle gate pivoted arm 5 with Passive part in the following ways: a) be contained in the Transmission 6 on the stepping motor axle head power transmission wheel 7, b) speed reduction gearing.Be used to select, the transmission device of stepping motor 3 axle heads of gear shift control links to each other for the driving lever of handling on the extension bar 15 10 with Passive part respectively in the following ways: a) track adjusting wheel mechanism, b) shifting fork mechanism, d) gear adds track adjusting wheel mechanism.

Said speed reduction gearing can be the worm and gear speed reduction gearing, spiral speed reduction gearing, gear reducer, planetary speed reducer with small tooth number difference or cycloidal-pin wheel retarder.

Said shifting fork mechanism is made up of shift fork and above-mentioned retarder mechanism.

Form power-transfer clutch, Throttle Opening Control mechanism, the block selecting of this mechanism, the propulsion source of gear shift control mechanism all adopts stepping motor 3, this stepping motor adopts twin shaft to stretch formula, one end outputting power, an end is equipped with rotational potentiometer, as the angle displacement transducer receiver.Power-transfer clutch and Throttle Opening Control are consulted Fig. 1, Fig. 2: the axle head fixing force transfer wheel 7 of stepping motor 3, this is taken turns can be rope sheave or sprocket wheel, Transmission 6 (can adopt stay cord 6, this stay cord can be steel rope or chain) an end and power transmission wheel 7 link to each other, the other end is connected on the throttle gate pivoted arm 5 of carburettor or on the clutch disengaging lever 5.When stepping motor was just changeing, by power transmission wheel 7, stay cord 6 pulling separator levers 5 or throttle gate pivoted arms 5 can disengage the clutch or make throttle to strengthen.Stepping motor can be parked in the optional position under the holding current effect.Make the stepping motor counter-rotating, then under clutch pressure plate spring or the effect of stretcher pull back spring, clutch engagement or driving engine subtract oil.Under the different applying working conditions of automobile, be different to the requirement of clutch engagement characteristic.Can power-transfer clutch satisfy these requirements, is the key of starting, gearshift quality height.Because stepping motor has good speed adjusting performance, change the frequency of step motor control pulse, just can be on a large scale, pulsation-free changes the rotating speed of stepping motor, so by Control Software, can well satisfy vehicle requirement to the clutch engagement characteristic in starting, shift process.To the stepping motor of control throttle, require when depressing footfeed, throttle gate can respond rapidly.This requires can realize by regulating the stepping motor rotating speed.The control principle of choosing, gearshift can be referring to Figure 21, Figure 22, Figure 25, Figure 26.Fork 34 is fixed on an end of stepping motor output shaft, and this shift fork prong is enclosed within on the dead man 10.Choosing, gearshift stepping motor rotate, and shift fork 34 is stirred driving lever 10, and change shaft 17 is rotated, and finish the block selecting action, and change shaft 17 is moved forward and backward, and finish the gearshift action.The rotational potentiometer that is installed in the step motor shaft other end can send angular signal, so that select, shift gears when putting in place, in time sends halt instruction.In order to reduce choosing, gearshift time, stepping motor is the at high speed rotation before putting in place, slows down near terminal point the time to realize steadily synchronous and to put into gear.Rotational potentiometer on the clutch control stepping motor, fast, slow, fast accuracy control can be realized in the shift position of monitoring power-transfer clutch in the starting engaging process.When gearshift, according to different gears, different throttles, the speed of a motor vehicle realize the different controls that engage rule.The rotational potentiometer of Throttle Opening Control stepping motor detects the corner of throttle plate pin constantly, makes this corner consistent with the corner of accelerator pedal by microcomputer.(the throttle gate pivoted arm links to each other with the throttle stepping motor, does not link to each other with Das Gaspedal.

The utility model has the advantages that:

1, simple in structure.With 3～4 stepping motors (the electronic fuel injection engine vehicle gets final product with 3 motors).If select the bigger stepping motor of power for use, its Transmission adopts the shift fork that is fixed on the motor output shaft.If select the littler stepping motor of volume, can adopt corresponding mechanical deceleration device.

2, the starting, the choosing, the gearshift performance good.Stepping motor can speed governing by control input pulse signal, and power-transfer clutch can be realized multiple in conjunction with rule, to satisfy the needs of various operating modes.Choosing, gearshift can realize the best characteristics of motion.As shift gears preceding half section that moves, and rapid movement shorten the gearshift time, slow down during near end of run to reduce bump, and the assurance gear shift is steady.

3, transmission performance is good.(1) transmission accuracy height.Stepping motor whenever makes a move, and its corner can cooperate with angular-motion transducer less than 1 °, can realize accurate location.Owing to reasons such as interference, shifting is not in place, can in time detect; (2) drive characteristic is good.Stepping motor rotates when being obstructed, and can remain where one is, and can not burn out transistor or stepping motor in the driving circuit.When sensor signal is made mistakes, continuous running of stepping motor or the corner situation greater than normal value can appear, and at the synchronous phase of gearshift, stepping motor also will remain where one is.The gear shift stroke can be adjusted by software, and the block selecting gear can increase arbitrarily, and is very convenient to multi-gear transmission case (more than 6 retainings) gear selecting control.

4, handling ease, cost is low.Except that the stepping motor of outsourcing, have only simple Transmission seldom, and accuracy requirement is not high.The operation equipment needed thereby seldom.

5, maintaining is simple.As long as guarantee that the initial value of sensor is constant, do not need other care and maintenance work.

Stable performance.Because this actuating unit just is made up of a spot of mechanical part, fault is few, and its performance temperature influence not.

7, rotating speed is moderate, without speed reduction gearing, and can direct drive.In order to reduce the stepper size, also can be with simple in structure, the speed reduction gearing of close steps.

Below in conjunction with the accompanying drawing illustrated embodiment, concrete structure of the present utility model and working process are described further.

The front view of Fig. 1 throttle, clutch control sketch;

The right elevation figure of Fig. 2 Fig. 1;

Vehicle choosing, the gearshift step motor control transmission diagram of Fig. 3 change shaft in gearbox body;

The part sectional view of Fig. 4 driving lever 10;

The lateral plan of Fig. 5 Fig. 4;

The A-A view of Fig. 6 Fig. 3;

Fig. 7 handles the cutaway view of extension bar 15;

It is external that Fig. 8 change shaft stretches out transmission housing, the transmission sketch of vehicle shifting step motor control;

The partial view of Fig. 9 shift control extension bar 19;

Figure 10 change shaft is outside gearbox body, and block selecting is a gear transmission, and gearshift is the step motor control transmission sketch by stay cord and chain gear;

Figure 11 gear transmission adds the speed reduction gearing scheme drawing of worm drive;

Figure 12 gear transmission adds the speed reduction gearing scheme drawing of turbo drive;

Figure 13 primary gear speed reducing, shift fork are stirred the actuating unit scheme drawing of choosing, gearshift driving lever;

The lateral plan of Figure 14 Figure 13;

Figure 15 reduces the scheme drawing of the separating force of power-transfer clutch by the lever group;

Figure 16 change shaft selects outward, shifts gears by casing and dial the change speed gear box sketch that arm is finished the shifting action in gear box casing;

Figure 17 is by the actuating unit scheme drawing (to the change speed gear box of Figure 12 one class) of gear (or quadrant gear) transmission;

Figure 18 takes turns the actuating unit scheme drawing (to the change speed gear box of Figure 16 one class) of transmission with rope (chain);

Figure 19 stirs the choosing of gear box casing outside, the change speed gear box scheme drawing (its actuating unit adopts stepping motor to add the actuating unit of gear, worm drive) that gear arm is realized gearshift;

The lateral plan of Figure 20 Figure 19;

The actuating unit scheme drawing of shift fork is installed on Figure 21 step motor shaft;

The birds-eye view of Figure 22 Figure 21;

Figure 23 shift fork is installed in the actuating unit scheme drawing on the nut of spiral speed reducer;

Figure 24 stepping motor is realized gear shift action scheme drawing by gear, rack driven;

Figure 25 change shaft is outside casing, and stepping motor is stirred the actuating unit scheme drawing of declutch shift shaft choosing, gearshift by gear, worm drive by shift fork; The birds-eye view of Figure 26 Figure 25.

：1. 2.A 3. 4. 5. 5′. 6. 6′. 7. 8. 9. 10. 11. 12.B 13. 14.C 15. 16. 17. 18. 19. 20.D 21.A 22.B 23.E 24. 25. 26. 27.F 28.G 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.、 41. 42. 43. 44. 45. 46. 47.、48. 49. 50. 51. 52. 53.54. 55. 56.

The actuating unit of electric control mechanical type automatic speed variator is because the gearbox designs difference can adopt different frame modes.The choosing that the following describes, gearshift actuating unit are change shaft actuating units in gear box casing of change speed gear box.Consult Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7: be used for the axle head transmission device of the stepping motor 3 of power-transfer clutch and Throttle Opening Control, link to each other with throttle gate pivoted arm 5 or clutch disengaging lever 5 on the carburettor by Transmission 6 on the wheel 7 of its axle head.Be used to select, two sets of transmission mechanism of stepping motor 3 axle heads of gear shift control, control the manipulation extension bar 15 that is fixed on the joystick bulb 16 respectively and do all around swing, and stir change shaft by the shifting block of joystick bulb end, and make its rotation and move, realize the actuating unit of choosing, gearshift.This transmission device can adopt wheel design: Transmission 6 one ends are fixed on the stepping motor axle head 7, the other end is connected with the driving lever collar 9 by track adjusting wheel 8, the driving lever collar 9 is sleeved on the driving lever 10, and two driving levers 10 are handled on the extension bar 15 by bearing pin 11 orthogonal being contained in respectively.

One end of driving lever 10 is a flat, and it cooperates with slot B on handling extension bar 15, and the length e of slot B is greater than the diameter f of driving lever 10, and bearing pin 11 passes hole c on the driving lever 10 and the hole A on the manipulation extension bar 15, and driving lever 10 is contained on the joystick 15.

The implementation method of this structure can be laid down the joystick of former change speed gear box, fixes a manipulation extension bar 15 on the joystick bulb 16 of former change speed gear box, and choosing, gearshift driving lever 10 are installed on manipulation extension bar 15.Its constructional feature is consulted Fig. 4, Fig. 5: the porose c of the flat part of driving lever 10, the driving lever diameter is f, the thickness of flat part is h, handle on the extension bar 15 two slot B are arranged, two holes are mutually 90 degree, the porose A of vertical processing with square hole B, the flat part of driving lever 10 is inserted in the slot, and is fixing by pin 11.Xiao's shaft diameter is d, g＞h, and diameter＞d of hole c, e＞f, driving lever 10 can upper and lower swing in the B of hole.The collar 9 is enclosed within on the driving lever 10, can slide thereon.Stay cord 6 links to each other with the collar 9 by track adjusting wheel 8.The forward and reverse rotation of block selecting stepping motor just can realize handling swinging of extension bar 15, finishes the block selecting action.During the rotating of gearshift stepping motor, the stay cord 6 pulling collars 9 make and handle the extension bar swing, finish the gearshift action.

Said structure changes the power transmission direction, so the stepping motor riding position is more flexible by track adjusting wheel.But it takes up space greatly.Therefore, be used to select, the transmission device of stepping motor 3 axle heads of gear shift control can adopt shifting fork mechanism to link to each other with Passive part.Shift fork can be distinguished direct on the axle of choosing, gearshift stepping motor 3, and the prong M of shift fork 34 can be enclosed within respectively and be vertically mounted on mutually on the driving lever of handling on the extension bar 15 10.

Figure 21,22 is for shift fork is fixed on the stepping motor output shaft, and its prong M is set to respectively on the driving lever 10 of choosing, gearshift, the stepping motor rotating, and shift fork 34 is stirred driving lever 10, handles extension bar about 15 and swing thereby make, and realizes shifting.This structure is the simplest, and institute takes up space also little.But owing to be direct drive, the less stepping motor of volume ratio can not provide enough big drive torque.It is applicable on choosing, the less vehicle of gearshift force rate.

For the bigger vehicle of shifting force rate, when not adopting the big stepping motor of size, then should be with the actuating unit of stepping motor with the speed reduction gearing composition.Its concrete structure is consulted Figure 13,14: shift fork 34 on the axle of big gear wheel 29, big gear wheel 29 be installed in choosing, miniature gears 22 on the step motor shaft of shifting gears is meshed.This structure transmitting ratio can not be too big, otherwise structure is not compact.

Figure 11 is the actuating unit that primary gear speed reducing adds the one-level worm drive.On the axle of choosing, gearshift stepping motor 3, miniature gears 22 is housed, this gear and big gear wheel 29 engagements, the leading screw 30 that the other end that big gear wheel is 29 is processed into cooperates with nut 31, and choosing, selector fork are fixed on the nut 31.When leading screw 30 rotated, nut 31 moved axially.Be fixed with shift fork 34 on the leading screw 30, its prong M is set on the driving lever 10, and shift fork moves axially the swing that realizes handling extension bar 15 with nut, thereby realizes shifting.Slip screw efficient is low, adopts rolling screw, and efficient can improve greatly.If stepping motor can bear axial force, screw mandrel directly links to each other with motor shaft, then more compact structure.In order to improve driving efficiency, also can adopt small Tooth Number Difference Planetary Transmission or cycloidal-pin wheel retarder, shift fork is fixed on the reducer output shaft.

The vehicle of hand gear all is to handle joystick to realize shifting, so above-mentioned actuating unit all is suitable for for various vehicles.Weak point is to be placed in the operator's compartment.Some change speed gear box, actuating unit can be placed under the car.Be several schemes that are placed on below the cabin floor below.

Fig. 8, Fig. 9, Figure 10 are that the change speed gear box change shaft reaches the external scheme of transmission housing.Move forward and backward change shaft 17, realize gearshift; The left-right rotation change shaft is realized block selecting.In Fig. 8, the 18th, the shift control extension bar, the 19th, extension bar is handled in block selecting, and its structure is consulted Fig. 9, and extension bar 15 is identical with handling.Stepping motor 3 is realized the shifting action by Transmission 6 (as stay cord), the track adjusting wheel 8 pulling driving lever collars 9.Also can directly drive shift fork and stir driving lever 10 by stepping motor, realize selecting, shift gears (consult Fig. 8, Figure 21, Figure 22).

Figure 10 is the scheme that gear transmission adds track adjusting wheel mechanism, and gear 21 engagements on the gear 22 on 3 of the stepping motors and the change shaft drive change shaft and rotate, and realize block selecting; The fork shaft collar 24 slides on the change shaft 17, and axially by locating bush 25, captive nut 26 location, the collar 24 can only rotate and can not move axially.The stay cord pulling collar 24 is realized gearshift.

The scheme of Figure 23 is: the end of change shaft 17 is fixed with gearshift shifting block 48, sets 48 ends of stretching out ahead and is processed with bulb N.The prong of shift fork 47 is enclosed within on the bulb N.Stepping motor 3 rotates (consulting Figure 11), driven gear 22,29, and leading screw 30 rotates, and nut 31 moves, and shift fork 47 (consulting Figure 23) is stirred gearshift shifting block 48, finishes the gearshift action.The block selecting action drives shift fork 34 (consulting Figure 23) by stepping motor and stirs driving lever 50 realizations.This structure can provide bigger propulsive effort.Also can adopt Figure 13,14 structures, a pair of gear 22,29 deceleration transmission.Shift fork 34 is stirred shifting and is handled extension bar 18,19 (consulting Fig. 8) if the space allows, and transmitting ratio also can be bigger.Its processing is simpler, the efficient height.To high-speed stepper motor (dialling elongation greatly), shift fork can be fixed on the output shaft of planetary speed reducer with small tooth number difference or cycloidal-pin wheel retarder.This class retarder transmitting ratio is big, the efficient height.

Consult Figure 24: during gear shift, moving of change shaft can also be realized by the gear plectrum carry-over bar on the step motor shaft.On 3 of the gear shift stepping motors gear 22 is housed, it and tooth bar 54 engagements, tooth bar 54 is fixed on the axle sleeve 53, and axle sleeve 53 is enclosed within on the change shaft 17, with locating bush 52, locating dowel pin 55 axial location.During gear selecting, change shaft 17 can rotate in axle sleeve 53, finishes the gear shift action.Washer 56 is fixed on the both sides of tooth bar 54, guarantees the correct relative of tooth bar 54 and gear 22.This mechanism structure is compact.

Also have one type change speed gear box (consulting Figure 16), the shifting action is dialled arm 37,41 swings by shifting and is realized.During block selecting, stir arm 37 and make it around axle 38 swings, group Xiao 39 stirs shifting bar 40 makes its side-to-side movement, thereby makes the change shaft left-right rotation in the change speed gear box, finishes the block selecting action.Swing gear arm 41, axle 40 rotates the change shaft of stirring in the change speed gear box and moves forward and backward, and finishes the gearshift action.To such change speed gear box, the scheme of the actuating unit of choosing, gearshift is consulted Figure 17, Figure 18, Figure 19, Figure 20, Figure 21, Figure 22.Dial in block selecting among Figure 17 and fix a quadrant gear 43 on the arm 37,3 of stepping motors cog 22 with its engagement, the stepping motor rotating can be finished the block selecting action.In shifting bar 40 ends one big gear wheel 42 is installed, 22 driven gears, 42 rotatings that cog of 3 of stepping motors just can realize gear shift.Wheel 7 (for rope sheave) of Transmission 6 among Figure 18 (being stay cord) pulling shifting bar 40 ends can realize gear shift.Gear selecting is that the driving lever collar 9 drives driving lever 10 swings and realizes by the stay cord pulling driving lever collar 9.Driving lever 10 is contained in the slotted hole of shift selection arm 44, the same Fig. 9 of its structure.Among Figure 19, be fixed with straight pin 45,46 on the shifting arm, be fixed with shift fork 47 on the nut 31, the prong on the shift fork 47 is enclosed within on the pin 45,46.During screw mandrel 30 rotatings, nut comes and goes and moves, and realizes the shifting action.Figure 21, the 22nd, direct mount shift fork 34 on the axle of stepping motor 3, its prong is contained on the straight pin 45,46, and when stepping motor rotated, shift fork 34 was stirred straight pin 45,46, finished the shifting action.

For the big vehicle of disengaging of clutch power, directly spur separator levers 5 by stay cord 6 by stepping motor 3, then the stepping motor size is big, the cost height.This moment available lengthening separator levers or adopt worm-and-wheel gear shown in Figure 11.If stepping motor can bear axial force, (preferably being integral), more compact structure so then directly link to each other worm screw with step motor shaft.

For the actuating unit that adopts worm drive or worm drive, available Hall element, the direct location of linear movement pick-up move.

Embodiment 1: this example is the embodiment of homemade light-duty sedan-chair lorry (CA102102).This car change speed gear box change shaft is in case.Joystick links to each other with change shaft by the joystick bulb.The swing of joystick left-right and front-back just can realize shifting.The driving interior space is big, arrangement convenience, so, adopt scheme shown in Fig. 1-7.Use identical stepping motor (55BYG450A) for shifting, the track adjusting wheel of gear shift should be double linked wheel, i.e. small one and large one two wheels on axle, and stepping motor 3 drives bull wheels, and steamboat links to each other with the collar 9, with the pulling force of increase gear shift.The disengaging of clutch force rate is bigger, so, select big stepping motor 85BYG450A for use, and lengthening separator levers 5, further to reduce separating force.To carbureter engine, its throttle available step motor (90BF340A) direct drive.

Embodiment 2: be example with the charade car.This car change speed gear box change shaft reaches outside the gearbox body, actuating unit can be arranged under the car.Because the space is smaller near the change speed gear box, so, structure shown in Figure 23 adopted.General stepping motor can not bear axial force, so through a pair of gear transmission.Thrust baring is adopted in the support of gear and lead screw shaft.Screw pair can adopt slip screw, and processing is with easy.But efficient is low like this.During batch manufacturing, the stepping motor assembling can be born the bearing of axial force, and ball-screw is done to be in the same place with motor shaft.Volume is little, the efficient height.The carriage that supports stepping motor and screw pair is fixed on the gear box casing.Power-transfer clutch and Throttle Opening Control shifting can all be used this actuating unit.Sensor Hall linear transducer or floatingpotential device.

Embodiment 3: the star minicar in Chang'an.Its structure is consulted Figure 13.The quadrant gear radius is done greatly, and the gear selecting stepping motor is placed on the change speed gear box right side, and gear shifting motor is in the left side.Because this car shifting power is very little, so stepping motor is smaller.Power-transfer clutch also can be used the stepping motor direct drive.

Embodiment 4: light truck (as little liberation, Isuzu Motors).This car gearbox gear-shift principle is consulted Fig. 6: because its shifting force rate is bigger, so, the structure of employing Figure 11.Shift fork is fixed on the nut 31, or shift fork is fixed on the output shaft of cycloidal-pin wheel retarder.Power-transfer clutch, Throttle Opening Control mechanism drive worm and gear with stepping motor and slow down.The stepping motor size can be smaller like this.

Claims (10)

1. the actuating unit of vehicle electrically controlling automatic machincal transmission is by power-transfer clutch, Throttle Opening Control mechanism and choosing, gear shift control mechanism four parts are formed, it is characterized in that this four part is by separately stepping motor (3) source that is used as power, stepping motor can adopt twin shaft to stretch the formula structure, one end of axle is equipped with rotational potentiometer (1), the other end of axle links to each other with Passive part by transmission device, be used for power-transfer clutch, the transmission device of the stepping motor of Throttle Opening Control (3) axle head is that clutch disengaging lever (5) links to each other with throttle gate pivoted arm (5 ') with Passive part in the following ways: a) be contained in the Transmission (6) on the stepping motor axle head wheel (7), b) speed reduction gearing; Be used to select, the transmission device of stepping motor (3) axle head of gear shift control links to each other for the driving lever of handling on the extension bar (15) (10) with Passive part respectively in the following ways: a) track adjusting wheel mechanism, b) shifting fork mechanism, d) gear adds track adjusting wheel mechanism.

2. by the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, it is characterized in that said speed reduction gearing can be the worm and gear speed reduction gearing, spiral speed reduction gearing, gear reducer, planetary speed reducer with small tooth number difference or cycloidal-pin wheel retarder.

3. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, it is characterized in that said track adjusting wheel mechanism is: Transmission (6) one ends are fixed on the wheel (7) of motor shaft end, the other end links to each other with the driving lever collar (9) by track adjusting wheel (8), the driving lever collar (9) is sleeved on the driving lever (10), and two driving levers (10) are handled on the extension bar (15) by orthogonal being contained in of Xiao's axle (11) respectively.

4. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, an end that it is characterized in that said driving lever (10) is a flat, it cooperates with slot (B) on handling extension bar (15), the length (e) of slot (B) is greater than driving lever (10) diameter (f), Xiao's axle (11) passes the hole (e) on the driving lever (10) and handles hole (A) on the extension bar (15), driving lever (10) is contained in handles on the extension bar (15).

5. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, it is characterized in that said shifting fork mechanism is: shift fork (34) can be installed in choosing respectively, on gearshift stepping motor (3) axle, the prong (M) of shift fork (34) can directly or by a pair of pitch wheel be enclosed within orthogonal being installed on the driving lever of handling on the extension bar (15) (10) respectively, perhaps shift fork (47) is enclosed within respectively block selecting driving lever (50) and the gearshift set ahead on (48) bulb (N), perhaps the prong with shift fork (47) is enclosed within choosing, gearshift dial axis (45) is on (46).

6. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 5, the shift fork (34) that it is characterized in that said shifting fork mechanism can be installed on the axle of gear (29), and gear (29) is meshed with spool cog (22) that are installed in shifting stepping motor (3).

7. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 5, the shift fork (47) that it is characterized in that said shifting fork mechanism can be fixed on the nut (31), this nut matches with the leading screw (30) of gear (29) axle head, and gear (29) meshes with gear (22) on the axle that is installed in choosing, gearshift stepping motor (3).

8. press the actuating unit of claim 1 or 5 described vehicle electrically controlling automatic machincal transmission, the shift fork that it is characterized in that said shifting fork mechanism can be fixed on the output shaft of planetary speed reducer with small tooth number difference or cycloidal-pin wheel retarder, and the stepping motor output shaft links to each other with above-mentioned input shaft of speed reducer.

9. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, it is characterized in that shifting gears and gear (22) is housed on stepping motor (3) axle, it and choosing, gear level end tooth wheel (42) engagement, block selecting stepping motor (3) axle cog (22) be fixed on block selecting and dial quadrant gear engagement on the arm.

10. press the actuating unit of the described vehicle electrically controlling automatic machincal transmission of claim 1, it is characterized in that shifting gears and gear (22) is installed on the axle of stepping motor (3), it and tooth bar (54) mesh, tooth bar (54) is fixed on the axle sleeve (53), axle sleeve (53) is sleeved on the change shaft (17), and with locating bush (52), locating dowel pin (55) axial location, catch (56) is fixed on the both sides of tooth bar (54).

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