CN201902543U

CN201902543U - Modular gear-shifting driving device

Info

Publication number: CN201902543U
Application number: CN2010207012488U
Authority: CN
Inventors: 吴俊贤; 雷添渊; 林彦杉
Original assignee: Sanyang Industry Co Ltd
Current assignee: Sanyang Industry Co Ltd
Priority date: 2010-12-31
Filing date: 2010-12-31
Publication date: 2011-07-20
Anticipated expiration: 2020-12-31

Abstract

The utility model relates to a modular gear-shifting driving device. The device comprises an output shaft, a power driver, a reduction gear set and a sensor, wherein the power driver is electrically connected with a switch and comprises a casing and an armature shaft; one end of the armature shaft extends out of the casing in a protruding manner to form a manual adjusting component; the reduction gear set is pivoted with the armature shaft and the output shaft; the output shaft, the power driver, the reduction gear set and the sensor are integral; and the switch and/or the manual adjusting component can drive the armature shaft to rotate. Therefore, the armature shaft can be controlled electrically or manually for rotation, and further drive a variable shaft to rotate for gear shifting. The manual adjusting component and the power driver are integral, so as to occupy a smaller configuration space.

Description

Modularization gear shift drive unit

Technical field

The utility model relates to a kind of modularization gear shift drive unit, refers to a kind of modularization gear shift drive unit that is applicable to the dynamic speed changing system of beating switching locomotive especially.

Background technique

For at present common on the market locomotive, mainly be divided into two kinds according to the difference of its power-transmitting unit, one is the transmission of belt continuous variable speed, and another be the transmission of gear speed change, and the former is the fluid drive vehicle that is commonly called as, and the latter is grade car of beating for being commonly called as then.

Locomotive car type about above-mentioned two kinds of driving mechanisms, it respectively has its pluses and minuses because of the kind of drive difference of using, and for example, the mode of belt continuous variable speed transmission is comparatively smooth-going in the velocity transformation process, simple to operately need not special gearshift mechanism, so be suitable for the general closed planar road driving.Otherwise the mode of gear speed change transmission then needs with the suit action of gearshift mechanism as clutch, but it can do different transforming gears according to the road conditions demand relatively, makes vehicle reach all good performance of basic, normal, high speed and shows as its advantage.

The above-mentioned locomotive of commonly using the gear speed change kind of drive, its gear speed variator system includes members such as pressing plate clutch, clutch line, variable-speed shaft, gear shift pedal, so the operation of gear speed variator system needs the driver to use trick to cooperatively interact, for example need the hand clutch line go to control pressing plate clutch, manual control accelerograph reduce engine speed, and pin step on gear shift pedal and go to control mechanisms such as variable-speed shaft, can finish the action of gear speed change, reach the function of gear speed change.If when running into traffic congestion, will make the driver control pressing plate clutch, throttle, brake, and conversion variable-speed shaft etc. act frequently, not only consume driver's muscle power, also influence mood, probably cause the driver can't be wholwe-hearted, easily causing a traffic accident, is not very good so kind is commonly used the gear speed change transmission mode of operation of making the shelves car.

In addition, for solving above-mentioned loaded down with trivial details mode of operation, some is commonly used and makes the shelves car is to utilize power driver to control the variable-speed shaft rotation, and then drives the gear shift of gear gear, to simplify the gear shift action of engine.Right this kind utilizes grade car of beating of power driver, because of its power driver and the perceptron of detecting the variable-speed shaft rotatable phase are to be mounted on respectively on the whole power speed changing device, after the single unit system group is established and is finished, its perceptron is still needed and is spent many time preset, make its detection signal consistent with power driver, can use with the power driver collocation, be not very good.And it is also bigger, obviously also non-very good that this kind organized the shared configuration space of the power speed changing device established respectively.

In addition, if because of external factor or system own break down, make Power Drive Unit can't utilize electric power to control start, then at all can't gear shift, that is vehicle can't move fully, so it is real non-very good that the mode that adopts external power supply to provide the Power Drive Unit of electric power to come gear shift fully is provided, the space of improvement is arranged still.

The invention popularity originally in the spirit of positive invention, is urgently thought a kind of modularization gear shift drive unit that can address the above problem because of in this, and several times research experiment is eventually to finishing the utility model.

The model utility content

The purpose of this utility model provides a kind of modularization gear shift drive unit, its have concurrently utilize electronic, control the armature shaft rotation of power driver with manual mode, when external factor or system own break down, in the time of can't utilizing electric power to control the armature shaft rotation, can utilize the manual adjustment member to control the armature shaft rotation, and then finish the gear shift action.

The purpose of this utility model is achieved in that a kind of modularization gear shift drive unit, comprising: a force-output shaft, a power driver, a train of reduction gears and a perceptron.Force-output shaft is in order to drive variable-speed shaft rotation; Power driver is electrically connected with a switch, and power driver includes a housing, an and armature shaft, an end of armature shaft and to protrude out housing outer and form and manually adjust member; Train of reduction gears then includes an intermeshing reduction drive gear, reaches a under drive gear, and reduction drive gear is articulated in the armature shaft of power driver, and under drive gear then is articulated in force-output shaft; Perceptron is in order to the detecting variable-speed shaft rotatable phase to be arranged.Wherein, force-output shaft, power driver, train of reduction gears, and perceptron be integral structure, and switch, and the manual adjustment member at least one can drive the armature shaft rotation of power driver and then impel the variable-speed shaft rotation.

The utility model has the advantages that: can have concurrently utilize electronic, control the armature shaft rotation of power driver with manual mode, that is system just often, control the armature shaft rotation with electric power, and break down when external factor or system own, in the time of can't utilizing electric power to control the armature shaft rotation, still can utilize the manual adjustment member to control the armature shaft rotation, and then impel the variable-speed shaft rotation with gear shift, so that vehicle can move.And manual adjustment member of the present utility model is that power driver is an integral structure, and shared configuration space is also less, when the dynamic speed changing system of collocation vehicle uses, also and then the design that can make car load profile elasticity more.

Above-mentioned manual adjustment member can be provided with a word or cross groove or other equivalent structure in the ora terminalis place, controls rotation to make things convenient for the operator with a word or cross driver or other equivalent hand tools.The manual adjustment member also can form tetragonal body or hexahedron or other equivalent structure in the side place, directly control rotation with hand to make things convenient for the operator.

In addition, said sensed device and power driver are integral structure, and modularization, that is the perceptron signal is consistent with power driver, and after integral module gear shift drive unit group was established and finished, perceptron need not preset again, can increase property easy to assembly.

In addition, the said sensed device can coaxially be pivoted with force-output shaft, to increase the assembling convenience.Moreover integral module gear shift drive unit can more include a coupling shaft, and two ends of coupling shaft also articulate with force-output shaft and variable-speed shaft respectively.

Moreover the group of perceptron is established the position and can be positioned on the force-output shaft away from the modularization gear shift drive unit of coupling shaft, so that perceptron away from thermals source such as generators, is not subject to temperatures involved, promotes the detecting validity of perceptron, guarantees the detecting quality of perceptron.

Again, above-mentioned train of reduction gears also can be bindiny mechanism or other equivalent mechanism, amplifies with the outputting torsion with power driver, goes to drive the variable-speed shaft rotation again.In addition, above-mentioned power driver can be the driving power source of electric notor, pneumatic cylinder, oil hydraulic cylinder or other equivalence.

In addition, the utility model dynamic speed changing system of can arranging in pairs or groups uses, and dynamic speed changing system includes a gear gear, a pressing plate clutch, a centrifugal clutch, and this variable-speed shaft.Wherein, the gear gear includes one first, and one second, and first group be provided with at least two first gears, second also group be provided with at least two second gears, second gear and selectivity are engaged in first gear forming different gear ratios, and then form different gears.

In addition, above-mentioned pressing plate clutch coaxial is mounted on an end of first, and pressing plate clutch selecting type is connected to first.Then be connected to as for centrifugal clutch on the crankshaft of an engine, obtaining rotating power, and centrifugal clutch and selecting type be connected to the pressing plate clutch, so that its rotating power selecting type is transferred to second.

Moreover above-mentioned variable-speed shaft includes a shift level, reaches a clutch shaft.Clutch shaft is to articulate mutually with the pressing plate clutch, is connected to first in order to control pressing plate clutch selecting type.Shift level then articulates mutually with the gear gear, in order to the gear shift of control gear gear.

In addition, above-mentioned pressing plate clutch can include a clutch plate, a clutch friction plate, reach a lobe plate.Wherein, but the clutch plate selecting type connects clutch friction plate, and lobe plate can articulate interlock mutually with the clutch shaft of variable-speed shaft.

In addition, above-mentioned centrifugal clutch can include several clutch shoe plates, reach a clutch housing.Wherein, but clutch shoe plate selecting type connects clutch housing.Clutch housing then can connect an actuation gear, and actuation gear also is connected with clutch housing, and the two is interlock together.Again, the pressing plate clutch can connect a driving gear, and driving gear is also engageable in actuation gear, and both rotate together.By this, the rotating power of crankshaft can be via centrifugal clutch, actuation gear, and driving gear and be passed to the pressing plate clutch.

Moreover, above-mentioned second can a more sheathed driving wheel, it can be in order to being sent to rotating power on wheel after one vehicle, its load mode can transmit the rotating power of engine by being sheathed on chain in driving wheel and the trailing wheel rotating shaft.

The utility model have concurrently utilize electronic, control the armature shaft rotation of power driver with manual mode, when external factor or system own break down can't utilize electric power to control the armature shaft rotation time, can utilize the manual adjustment member to control the armature shaft rotation, and then finish the gear shift action.

Description of drawings

Fig. 1 is the utility model one preferred embodiment top view.

Fig. 2 is the sectional view of the utility model one preferred embodiment.

Fig. 3 is the side view that the utility model one preferred embodiment is mounted on dynamic speed changing system.

One preferred embodiment of Fig. 4 the utility model is mounted on and looks exploded view on the dynamic speed changing system.

One preferred embodiment of Fig. 5 the utility model is mounted on and looks constitutional diagram on the dynamic speed changing system.

Fig. 6 is the sectional view that the utility model one preferred embodiment is mounted on dynamic speed changing system.

Fig. 7 is another sectional view that the utility model one preferred embodiment is mounted on dynamic speed changing system.

Fig. 8 is the engine idling schematic representation that the utility model one preferred embodiment is mounted on dynamic speed changing system.

Fig. 9 is the running schematic representation that the utility model one preferred embodiment is mounted on dynamic speed changing system.

Figure 10 is the gear shift diagram that the utility model one preferred embodiment is mounted on dynamic speed changing system.

The primary component symbol description

1 engine, 2 crankshafts

3 centrifugal clutches, 4 actuation gears

5 driving gears, 6 pressing plate clutches

7 first 8 second

10 modularization gear shift drive units, 12 coupling shafts

13 switches, 14 clutch shafts

15 generators, 16 variable-speed shafts

17 shift levels, 18 speed change tubes

19 driving wheels, 21 trailing wheels

31 clutch shoe plates, 32 clutch housings

61 clutch plate, 62 clutch friction plates

63

lobe plates

71,72,73,74 first gears

81,82,83,84 second gear 101 power drivers

1011 housings, 1012 armature shafts

1013 manual adjustment members, 102 perceptrons

103 train of reduction gears, 1031 reduction drive gear

1032 under drive gears, 1033 reduction gear boxes

1034 reduction gear case lids, 104 force-output shafts

181 speed change tube positioning plates, 182 right driving levers

183 left driving levers

Embodiment

Please consult Fig. 1 simultaneously, reach Fig. 2, it is respectively top view, and the sectional view of the utility model one preferred embodiment, present embodiment is a kind of modularization gear shift drive unit 10, and it includes: a force-output shaft 104, a power driver 101, a train of reduction gears 103 (being plotted in Fig. 4), an and perceptron 102.

As Fig. 2 institute formula, power driver 101 includes a housing 1011, an and armature shaft 1012, an end of armature shaft 1012 and to protrude out housing 1011 outer and form and manually adjust member 1013, and power driver 101 also is electrically connected with a switch 13 (being plotted in Fig. 8).As for 104 of force-output shafts is in order to drive a variable-speed shaft 16 (being plotted in Fig. 4) rotation; And train of reduction gears 103 includes an intermeshing reduction drive gear 1031, reaches a under drive gear 1032, reduction drive gear 1031 is articulated in the armature shaft 1012 of power driver 101, under drive gear 1032 then is articulated in force-output shaft 104, and the outside of train of reduction gears 103 then is coated with a reduction gear box 1033 in regular turn, reaches a reduction gear case lid 1034.Perceptron 102 is the rotatable phases in order to detecting variable-speed shaft 16 in addition, and then learns the speed change state of gear gear.

In the present embodiment, train of reduction gears 103 is mounted between the armature shaft 1012 and variable-speed shaft 16 of power driver 101, after amplifying in order to armature shaft 1012 outputting torsions with power driver 101, goes to drive variable-speed shaft 16 rotations again.

In addition, the force-output shaft 104 of present embodiment, power driver 101, train of reduction gears 103, and perceptron 102 be integral structure, and switch 13, and manual adjustment member 1013 at least one can drive armature shaft 1012 rotations of power driver 101 and then impel variable-speed shaft 16 to rotate.

By this, the utility model can have concurrently utilize electronic, control armature shaft 1012 rotation of power driver 101 with manual mode, that is work as system just often, control armature shaft 1012 rotations with electric power, and break down when external factor or system own, in the time of can't utilizing electric power to control armature shaft 1012 rotations, still can utilize manual adjustment member 1013 to control armature shaft 1012 rotations, and then impel variable-speed shaft 16 rotations with gear shift, so that vehicle can move.And manual adjustment member 1013 of the present utility model is to be integral structure with power driver 101, and shared configuration space is also less, when the dynamic speed changing system of collocation vehicle uses, also and then the design that can make car load profile elasticity more.In the present embodiment, manual adjustment member 1013 is to form tetragonal body in its side place, directly controls rotation with hand to make things convenient for the operator.

Please consult Fig. 3, Fig. 4, and Fig. 5 again, its be respectively the utility model one preferred embodiment be mounted on dynamic speed changing system side view, on look exploded view, and on look constitutional diagram.When modularization gear shift drive unit 10 collocation one dynamic speed changing system of present embodiment uses, modularization gear shift drive unit 10 is that the variable-speed shaft 16 with an engine 1 articulates, by this, promptly work as system just often, the driver only needs singlehanded operational module gear-shift driver 10, it is may command variable-speed shaft 16 rotation and finish the gear shift action of engine 1, break down and work as system, in the time of can't utilizing 10 rotations of electric power operational module gear shift drive unit, still can utilize manual adjustment member 1013 to control armature shaft 1012 rotations, and then impel variable-speed shaft 16 rotations with gear shift, so that vehicle can move.

In addition, because of perceptron 102 and power driver 101 are the modularization gear-shift drivers 10 that form integral type, that is perceptron 102 signals are consistent with power driver 101, after integral module gear shift drive unit is established for 10 groups and is finished, perceptron 102 need not preset again, can increase property easy to assembly, and also reduce the spatial configuration of integral module gear shift drive unit 10.

As shown in Figure 4, in the dynamic speed changing system of present embodiment, the power driver 101 of modularization gear-shift driver 10 is an electric notor.And perceptron 102 is a phase place measurer, it is force-output shaft 104 coaxial being pivoted with modularization gear-shift driver 10, and force-output shaft 104 articulates by a coupling shaft 12 and variable-speed shaft 16, that is two ends of coupling shaft 12 articulate with the force-output shaft 104 and the variable-speed shaft 16 of modularization gear-shift driver 10 respectively.In addition the group of perceptron 102 is established the position and is positioned on the force-output shaft 104 away from the modularization gear-shift driver 10 of coupling shaft 12, can make perceptron 102 away from generator 15 thermals source such as grade, be not subject to temperatures involved, can promote the detecting validity of perceptron 102, guarantee the detecting quality of perceptron 102.

Please consult Fig. 6, Fig. 7, and Figure 10 more simultaneously, it is respectively different sectional elevations, and gear shift diagram that the utility model one preferred embodiment is mounted on dynamic speed changing system.Dynamic speed changing system after group is established includes a gear gear, a pressing plate clutch 6, a centrifugal clutch 3, variable-speed shaft 16, switch 13, reaches modularization gear-shift driver 10.

As shown in Figure 7, above-mentioned gear gear includes one first 7,1 second 8, reaches a speed change tube 18.And group is provided with several

first gears

71,72,73 on first 7, also organize on 74, the second 8 and be provided with several

second gears

81,82,83,84,

second gear

81,82,83,84 and selectivity be engaged in

first gear

71,72,73,74, forming different gear ratios, that is form different gears, and on second 8 and be arranged with a driving wheel 19.Include a speed change tube positioning plate 181, one right driving lever 182, reach a left driving lever 183 as for 18 in speed change tube.

In addition, be arranged with a shift level 17, an and clutch shaft 14 on the variable-speed shaft 16.Wherein, clutch shaft 14 articulates with pressing plate clutch 6, is connected to first 7 in order to control pressing plate clutch 6 selecting types.Shift level 17 then articulates mutually with the speed change tube positioning plate 181 of gear gear, carries out gear shift in order to control this gear gear.

As shown in Figure 7, pressing plate clutch 6 coaxial ends that are mounted on first 7, and pressing plate clutch 6 selecting types are connected to first 7.Pressing plate clutch 6 includes a clutch plate 61, a clutch friction plate 62, reaches a lobe plate 63.Wherein, but clutch plate 61 selecting types be pressure bonded on the clutch friction plate 62, lobe plate 63 then is in order to ejection clutch plate 61, and it is separated with clutch friction plate 62, and the clutch shaft 14 of lobe plate 63 and variable-speed shaft 16 articulates interlocks.In the present embodiment, the clutch plate 61 of pressing plate clutch 6 also connects a driving gear 5, driving gear 5 and pressing plate clutch 6 interlocks.

As shown in Figure 6, centrifugal clutch 3 includes at least two clutch shoe plates 31, reaches a clutch housing 32.Wherein, clutch shoe plate 31 is to be pressure bonded to clutch housing 32 by centrifugal force, and clutch shoe plate 31 is to connect on the crankshaft 2 of an engine 1.Clutch housing 32 and connect an actuation gear 4 again, actuation gear 4 and clutch housing 32 interlocks.Therefore, the rotating power of crankshaft 2 can be sent to actuation gear 4 by centrifugal clutch 3.

In addition, the driving gear 5 that the clutch plate 61 of pressing plate clutch 6 is connected and with actuation gear 4 interlock that is meshing with each other, both rotate together, thus the rotating power of crankshaft 2 can by actuation gear 4, and driving gear 5 transfer to first 7.

Seeing also Fig. 8 is the engine idling schematic representation that the utility model one preferred embodiment is mounted on dynamic speed changing system, utilize said apparatus, when engine 1 after beginning to start, this moment, crankshaft 2 was in than low speed state, the clutch shoe plate 31 of centrifugal clutch 3, and clutch housing 32 be in separately state.Therefore, the power of engine 1 is through the transmission of crankshaft 2, and to the position of centrifugal clutch 3, transmission of power promptly stops at last.

Please consulting Fig. 9 again is the running schematic representation that the utility model one preferred embodiment is mounted on dynamic speed changing system, after the rotating speed of crankshaft 2 increases gradually, make the clutch shoe plate 31 of centrifugal clutch 3 because of action of centrifugal force, and clutch housing 32 pressings contact rotation together, this moment, the power of crankshaft 2 can be via centrifugal clutch 3, actuation gear 4, reach driving gear 5 and be passed to pressing plate clutch 6, again via first 7, reach second 8 and be passed to driving wheel 19, driving wheel 19 is sent to rotating power the trailing wheel 21 of one vehicle again, its kind of drive can be sheathed on the trailing wheel 21 that the chain (figure does not show) on driving wheel 19 and trailing wheel 21 wheel shafts outputs power and is passed to vehicle, the power that the vehicle generation is advanced by one.

Please continue to consult Figure 10 is that the utility model one preferred embodiment is mounted on the gear shift diagram of dynamic speed changing system, and sees also Fig. 7.When vehicle is changed gear, this moment, the driver only need push the switch 13 of control module gear-shift driver 10, power driver 101 that can control module gear-shift driver 10 goes to drive variable-speed shaft 16 rotations, and and then drives shift level 17, and clutch shaft 14 starts.Wherein, clutch shaft 14 is controlled lobe plate 63 ejection clutch plate 61 earlier, and itself and clutch friction plate 62 are broken away from.Then shift level 17 is controlled speed change tube positioning plate 181, and then promotes left driving lever 183 or right driving lever 182, stirs first gear 71 on first 7, second gear 81 on 72,73,74 one of them or second 8,82,83, one of them of 84, make its generation move axially and be embedded in the first adjacent gear 71,72,73,74 or second gear 81,82,83,84, so can reach the purpose of gear shift.In the present embodiment, can make rotating power be engaged in first gear 71 on first 7 after the gear shift, be passed to the trailing wheel 21 of vehicle again via driving wheel 19 by second gear 81 on second 8.

From the above, the gear shift action is earlier with lobe plate 63 ejection clutch plate 61 disconnecting clutch friction plates 62, thereby temporarily stop the transmission of power, carry out the gear shift action simultaneously in this, releasing cam plate 63 more afterwards impels clutch plate 61 to be pressed on once more on the clutch friction plate 62 and transferring power.

By this, the dynamic speed changing system of present embodiment in system just often, only need the singlehanded push switch 13 of driver, the power driver 101 that gets final product control module gear-shift driver 10 goes to drive variable-speed shaft 16 rotations, and then control the clutch shaft 14 that is hubbed on the variable-speed shaft 16, and shift level 17, and carry out the gear shift action.So the driver need not the troublesome operation action that trick cooperatively interacts, only need simply control the gear shift action that to finish engine 1 easily.Break down and work as system, in the time of can't utilizing 10 rotations of electric power operational module gear shift drive unit, still can utilize manual adjustment member 1013 to control armature shaft 1012 rotations, and then impel variable-speed shaft 16 rotations with gear shift, so that vehicle can move.

Claims

1. modularization gear shift drive unit is characterized in that comprising:

One force-output shaft is in order to drive variable-speed shaft rotation;

One power driver, it is electrically connected with a switch, includes a housing, an and armature shaft, an end of this armature shaft and to protrude out this housing outer and form and manually adjust member;

One train of reduction gears includes an intermeshing reduction drive gear, reaches a under drive gear, and this reduction drive gear is articulated in this armature shaft, and this under drive gear is articulated in this force-output shaft; And

One perceptron is in order to detect the rotatable phase of this variable-speed shaft;

Wherein, this force-output shaft, this power driver, this train of reduction gears, and this perceptron be integral structure, and this switch, and this manual adjustment member at least one can drive this armature shaft rotation and then impel this variable-speed shaft rotation.

2. modularization gear shift drive unit as claimed in claim 1 is characterized in that this perceptron and this force-output shaft are coaxial being pivoted.

3. modularization gear shift drive unit as claimed in claim 1 is characterized in that including a coupling shaft, and its two end articulates with this force-output shaft and this variable-speed shaft respectively.

4. modularization gear shift drive unit as claimed in claim 1 is characterized in that this power driver is an electric notor.

5. modularization gear shift drive unit as claimed in claim 1 is characterized in that being that collocation one dynamic speed changing system uses, and this dynamic speed changing system includes a gear gear, a pressing plate clutch, a centrifugal clutch, reaches this variable-speed shaft; Wherein, this gear gear includes one first, and one second, and this first include at least two first gears, and this second includes at least two second gears, and itself and selectivity are engaged in these first gears to form different gear ratios; This pressing plate clutch is coaxially to be mounted on this end of first, and this pressing plate clutch is that selecting type is connected to this first; This centrifugal clutch is connected on the crankshaft of an engine, and obtaining rotating power, and this centrifugal clutch is that selecting type is connected to this pressing plate clutch, and its rotating power selecting type is transferred to this second; This variable-speed shaft includes a shift level, reaches a clutch shaft, this clutch shaft and this pressing plate clutch articulate, be connected to this first in order to control this pressing plate clutch selectivity, this shift level and this gear gear articulate, in order to control this gear gear gear shift.

6. modularization gear shift drive unit as claimed in claim 5, it is characterized in that this pressing plate clutch comprise a clutch plate is arranged, a clutch friction plate, an and lobe plate, this clutch plate selecting type is connected to this clutch friction plate, and this clutch shaft of this lobe plate and this variable-speed shaft articulates.

7. modularization gear shift drive unit as claimed in claim 5 is characterized in that this centrifugal clutch includes at least two clutch shoe plates, reaches a clutch housing, and these clutch shoe plates are that selectivity is connected to this clutch housing.

8. modularization gear shift drive unit as claimed in claim 7 is characterized in that this clutch housing and is connected with an actuation gear that the two is interlock together.

9. modularization gear shift drive unit as claimed in claim 8 is characterized in that this pressing plate clutch and connects a driving gear that this driving gear also is engaged in this actuation gear.