CN106499781B - Stacked electronic brakes drum-type four-speed automatic transimission - Google Patents
Stacked electronic brakes drum-type four-speed automatic transimission Download PDFInfo
- Publication number
- CN106499781B CN106499781B CN201611180001.4A CN201611180001A CN106499781B CN 106499781 B CN106499781 B CN 106499781B CN 201611180001 A CN201611180001 A CN 201611180001A CN 106499781 B CN106499781 B CN 106499781B
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- brake
- support member
- drum
- shoe
- stacked electronic
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
Abstract
Drum-type four-speed automatic transimission is braked the invention discloses stacked electronic, including preceding stacked electronic brake drum, the first planetary mechanism, the second planetary mechanism, third planet mechanism and rear stacked electronic brake drum, casing, input shaft, output shaft, coaxial installed successively with casing of the preceding stacked electronic brake drum, the first planetary mechanism, the second planetary mechanism, third planet mechanism and rear stacked electronic brake drum is connected, and the preceding stacked electronic brake drum is located at the front end of casing；The rear stacked electronic brake drum is located at the rear end of casing；The input shaft is connected with the second planetary mechanism, and the output shaft is connected with the first planetary mechanism, the second planetary mechanism, third planet mechanism respectively.The present invention realizes power-interruption free switching and arbitrarily gear switch, gearshift energy consumption are relatively low；It is small with neutral energy consumption, reliability is high, using scope is big, strong ambient adaptability and the advantages of long service life.
Description
Technical field
The present invention relates to speed changer field, the more particularly to applicable stacked electronic braking drum-type four-speed fluid drive dress of automobile
Put.
Background technology
With plug-in hybrid-power automobile and pure electric automobile to the high dynamic property of pure motorized motions, high economize on electricity property and it is low into
The continuous improvement of this demand, multi gear automatic transimission turns into the key core solved the above problems.Current existing multi gear
Speed change gear mainly uses AMT schemes and AT schemes, and the former mainly performs the gearshift of shift fork gear selecting using electronics, and the latter is mainly
Gearshift is performed using Wet-type friction slice hydraulic pressure.For multi gear AMT gearboxes, there is power interruption, neutral and big, electric braking energy is lost
Amount reclaim it is weak, be difficult to the technical problems such as quick any gear switch, shift time length, cost be higher；For multi gear wet type
Friction pair AT gearboxes, although solve the problems, such as power interruption and any gear switch, still, there is also shift clutch disconnection
The problems such as idling loss is very big, costly afterwards, gearshift energy consumption is big.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of low cost, power-interruption free gearshift, any gear switch, sky
Gear loss is small, effective reduction gearshift energy consumption, high reliability, long-life stacked electronic braking drum-type four-speed automatic transimission.
In order to solve the above-mentioned technical problem, the technical scheme is that：
Stacked electronic brakes drum-type four-speed automatic transimission, including preceding stacked electronic brake drum, the first planetary mechanism, the
Two planetary mechanisms, third planet mechanism and rear stacked electronic brake drum, casing, input shaft, output shaft, the preceding stacked electronic system
Dynamic drum, the first planetary mechanism, the second planetary mechanism, third planet mechanism and rear stacked electronic brake drum are coaxially pacified with casing successively
Load connects, and the preceding stacked electronic brake drum is located at the front end of casing；The rear stacked electronic brake drum is located at the rear end of casing；
The input shaft is connected with the second planetary mechanism, the output shaft respectively with the first planetary mechanism, the second planetary mechanism, the third line
Star mechanism is connected.
Further, the preceding stacked electronic brake drum is identical with rear stacked electronic brake drum structure；The preceding lamination electricity
Sub- brake drum or rear stacked electronic brake drum include outside upper deceleration of electrons cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior
Lower deceleration of electrons cylinder, back-plate, internal brake shoe, outer brake-shoe, internal brake shoe support member, outer brake-shoe support member, inside brake
Bulging, outer brake drum；The internal brake shoe is connected with internal brake shoe support member；The outer brake-shoe connects with outer brake-shoe support member
Connect；The internal brake shoe support member, outer brake-shoe support member are connected with back-plate respectively；The back-plate connects with casing
Connect；The interior upper deceleration of electrons cylinder is located in the middle of internal brake shoe support member top to be connected with internal brake shoe support member；It is described it is interior under
Deceleration of electrons cylinder is located in the middle of internal brake shoe support member bottom to be connected with internal brake shoe support member；The outside upper deceleration of electrons cylinder position
It is connected in the middle of outer brake-shoe support member top with outer brake-shoe support member；The outer lower deceleration of electrons cylinder is located at outer brake-shoe branch
It is connected in the middle of support member bottom with outer brake-shoe support member；The inside brake drum is connected with internal brake shoe gap；The outer system
Dynamic drum is connected with outer Brake shoe clearance.
Further, the internal brake shoe support member, internal brake shoe, outer brake-shoe support member, outer brake-shoe be from inside to outside
Radially it is co-axially mounted；The internal brake shoe support member includes left inside brake-shoe support member, right internal brake shoe support member, and left inside
Brake-shoe support member, right internal brake shoe support member are symmetrical arranged；The internal brake shoe includes left inside brake-shoe, right internal brake shoe,
And left inside brake-shoe, right internal brake shoe are symmetrical arranged；The outer brake-shoe support member includes left outside brake-shoe support member, right outer system
Hoof support member is moved, and left outside brake-shoe support member, right outer brake-shoe support member are symmetrical arranged；The outer brake-shoe includes left outside system
Hoof, right outer brake-shoe are moved, and left outside brake-shoe, right outer brake-shoe are symmetrical arranged.
Further, the preceding stacked electronic brake drum or rear stacked electronic brake drum also include outer upper reset spring, it is outer
Lower back-moving spring, interior upper reset spring, interior lower back-moving spring, the two ends of the outer upper reset spring respectively with left outside brake-shoe branch
The top connection of support member, right outer brake-shoe support member；The two ends of the outer lower back-moving spring respectively with left outside brake-shoe support member,
The bottom connection of right outer brake-shoe support member；The two ends of the interior upper reset spring are interior with left inside brake-shoe support member, the right side respectively
The top connection of brake-shoe support member；The two ends of the interior lower back-moving spring respectively with left inside brake-shoe support member, right inside brake
The bottom connection of hoof support member.
Further, the outside upper deceleration of electrons cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior lower electronics system
Dynamic cylinder structure is identical；The outside upper deceleration of electrons cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior lower deceleration of electrons cylinder
Any one include brake cylinder casing, adjusting nut, braking motor, coaxial speed reducer, dust seal guidance set, nut body,
Screw mechanism, the brake cylinder casing is connected with back-plate；The brake cylinder casing cavity arrangements have multiple guiding teeth groove, braking electricity
Multiple guiding double wedges are arranged on machine shell；The braking motor is connected with coaxial speed reducer and is arranged on the teeth groove of brake cylinder casing
Interior, the double wedge of the braking motor is engaged with the teeth groove of brake cylinder casing and is slidably connected；The screw mechanism is respectively with coaxially subtracting
Output end and the nut body connection of fast device, the dust seal guidance set are connected with coaxial speed reducer, nut body respectively,
The other end of the braking motor is connected with adjusting nut.
Further, the nut body of the outside upper deceleration of electrons cylinder is contacted with the upper surface of right outer brake-shoe support member and matched somebody with somebody
Close connection；The nut body of the outer lower deceleration of electrons cylinder is engaged with left outside brake-shoe support member lower surface to be connected；It is described
The nut body of interior upper deceleration of electrons cylinder is engaged with the upper surface of right internal brake shoe support member to be connected；The interior lower electronics system
The nut body of dynamic cylinder is engaged with left inside brake-shoe support member lower surface to be connected.
Further, first planetary mechanism includes the first sun gear, center row star-wheel, middle planetary wheel shaft, centre
Planet wheel bearing, the first planetary gear, duplex planet wheel shaft, duplex planet wheel bearing, the first ring gear, planet carrier, the duplex
Planet wheel bearing, middle planetary wheel bearing are respectively connected with planet carrier, the middle planetary wheel shaft respectively with center row star-wheel
Bearing, the connection of center row star-wheel；The duplex planet wheel shaft is connected with the first planetary gear, duplex planet bearing respectively；Described
External toothing is connected successively for one sun gear, center row star-wheel, the first planetary gear；First planetary gear and the first ring gear internal messing
Connection；Second planetary mechanism includes the second planetary gear, the second sun gear, the second ring gear, second planetary gear with it is double
Join planet wheel spindle connection；Second sun gear is connected with the second planetary gear external toothing；Second planetary gear and the second internal tooth
Enclose internal messing connection.
Further, the third planet mechanism includes the third line carrier, third planet wheel bearing, the 3rd sun gear, the
Three planetary gears, third planet wheel shaft, the 3rd ring gear, the third planet wheel bearing are connected with the third line carrier, and the described 3rd
Planet wheel spindle is connected with third planet wheel bearing, the third line star-wheel respectively；3rd sun gear and the third line star-wheel external toothing
Connection；The third line star-wheel is connected with the 3rd ring gear internal messing.
Further, the outer brake drum of the preceding stacked electronic brake drum passes through preceding outer brake drum terminal pad and the first internal tooth
Circle connection；The inside brake drum of the preceding stacked electronic brake drum rouses terminal pad by preceding inside brake and is connected with the first sun gear；Institute
It is hollow-core construction to state preceding inside brake drum terminal pad, and the input shaft is connected through preceding inside brake drum terminal pad with the second sun gear.
Further, the rear end connection of the output shaft and planet carrier, and being connected by spline pair with the 3rd sun gear；Institute
The second ring gear is stated to be fixedly connected by ring gear connector with the 3rd ring gear；The outer braking of the rear stacked electronic brake drum
Drum is connected by rear outer brake drum terminal pad with ring gear connector；After the inside brake drum of the rear stacked electronic brake drum passes through
Inside brake drum terminal pad is connected with the third line carrier.
Using above-mentioned technical proposal, due to having used preceding stacked electronic brake drum, the first planetary mechanism, the second planet machine
The technical characteristics such as structure, third planet mechanism and rear stacked electronic brake drum.And preceding stacked electronic brake drum is arranged on before casing
Section, rear stacked electronic brake drum is arranged on the rear end of casing, realizes that the heat produced in shift process can be dispersed into the external world in time
Air in, while produced in shift process the pollution such as dust will not to, the first planetary mechanism, the second planetary mechanism, the third line
The operation of star mechanism is impacted, effectively increase the present invention use scope and ambient adaptability, extension the first planetary mechanism,
The service life of second planetary mechanism, third planet mechanism.The present invention is in preceding stacked electronic brake drum and rear stacked electronic simultaneously
In the presence of brake drum, realize power-interruption free switching and arbitrarily gear switch, gearshift energy consumption are relatively low；The present invention is in sky
Energy consumption is very small during gear, and reliability is high.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention；
Fig. 2 is the preceding stacked electronic brake drums of Ben Mingfa or rear stacked electronic brake drum attachment structure schematic diagram；
Fig. 3 is this bright deceleration of electrons cylinder structure schematic diagram.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.Herein it should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below
As long as each of the invention embodiment in involved technical characteristic do not constitute conflict each other and can just be mutually combined.
As shown in Figure 1, stacked electronic braking drum-type four-speed automatic transimission, including preceding stacked electronic brake drum 1, the
One planetary mechanism 2, the second planetary mechanism 3, third planet mechanism 4 and rear stacked electronic brake drum 5, casing 6, input shaft 7, output
Axle 8.By preceding stacked electronic brake drum 1, the first planetary mechanism 2, the second planetary mechanism 3, third planet mechanism 4 and rear stacked electronic
Coaxial installed successively with casing 6 of brake drum 5 is connected, and preceding stacked electronic brake drum 1 is located at the front end of casing 6；Stacked electronic system afterwards
Dynamic drum 5 is located at the rear end of casing 6；Input shaft 7 is connected with the second planetary mechanism 3, output shaft 8 respectively with the first planetary mechanism 2,
Two planetary mechanisms 3, third planet mechanism 4 are connected.
Above-mentioned technical proposal, due to preceding stacked electronic brake drum 1 to be arranged on to the front end of casing 6, by rear stacked electronic system
Dynamic drum 5 is arranged on the rear end of casing 6；Effectively the heat produced in shift process is dispersed into air, while it also avoid changing
The pollutants such as the dust produced during gear will not enter the first planetary mechanism 2, the second planetary mechanism 3, third planet mechanism 4
The box house of operation, has been effectively ensured the first planetary mechanism 2, the second planetary mechanism 3, the running environment of third planet mechanism 4, has carried
High running quality and service life.Any switching laws of gear are realized simultaneously, energy consumption in shift process, present invention knot is reduced
More rationally, axial dimension is smaller, and reliability is higher for structure design.
More specifically, as shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, preceding stacked electronic brake drum 1 is braked with rear stacked electronic
The structure of drum 5 is identical；Preceding stacked electronic brake drum 1 or rear stacked electronic brake drum 2 include outside upper deceleration of electrons cylinder 9, outer lower electricity
Sub- checking cylinder 10, interior upper deceleration of electrons cylinder 11, interior lower deceleration of electrons cylinder 12, back-plate 13, internal brake shoe 14, outer brake-shoe
15th, internal brake shoe support member 16, outer brake-shoe support member 17, inside brake drum 18, outer brake drum 19.
Internal brake shoe 14 is connected with internal brake shoe support member 16；Outer brake-shoe 15 is connected with outer brake-shoe support member 17.It is interior
Brake-shoe support member 16, outer brake-shoe support member 17 are connected by removable pin with back-plate 13 respectively；Back-plate 13 passes through
Flange is connected with casing 6.Internal brake shoe support member 16, internal brake shoe 14, outer brake-shoe support member 17, outer brake-shoe 15 are by introversion
Outer is radially coaxial to install.And internal brake shoe support member 16 includes left inside brake-shoe support member 20, right internal brake shoe support member 21,
And left inside brake-shoe support member 20, right internal brake shoe support member 21 are symmetrical arranged.Internal brake shoe 14 includes left inside brake-shoe 22, the right side
Internal brake shoe 23, and left inside brake-shoe 22, right internal brake shoe 23 be symmetrical arranged.Outer brake-shoe support member 17 includes left outside brake-shoe
Support member 24, right outer brake-shoe support member 25, and left outside brake-shoe support member 24, the outer brake-shoe support member 25 in the right side be symmetrical arranged.
Outer brake-shoe 15 includes left outside brake-shoe 26, right outer brake-shoe 27, and left outside brake-shoe 26, right outer brake-shoe 27 are symmetrical arranged.
Left inside brake-shoe support member 20, right internal brake shoe support member 21, left inside brake-shoe 22, right internal brake shoe 23, a left side in specific implementation
Outer brake-shoe support member 24, right outer brake-shoe support member 25, left outside brake-shoe 26, the outer brake-shoe 27 in the right side and inside brake drum 18,
Outer brake drum 19 is convex structure.
Interior upper deceleration of electrons cylinder total 11 is connected with back-plate 13, installed in the left inside brake-shoe of internal brake shoe support member 16
Support member 20 and the center on the right top of internal brake shoe support member 21, and supported with left inside brake-shoe support member 20 and right internal brake shoe
Part 21 is connected.Interior lower deceleration of electrons cylinder 12 is connected with back-plate 13, installed in the left inside system of internal brake shoe support member 16
Dynamic hoof support member 20 and the center of the right bottom of internal brake shoe support member 21, and with left inside brake-shoe support member 20 and right internal brake shoe
Support member 21 is connected.Outside upper deceleration of electrons cylinder 9 is connected with back-plate 13, installs the left outside system of outer brake-shoe support member 17
Dynamic hoof support member 24, the center on the right outer top of brake-shoe support member 25, and with left outside brake-shoe support member 24, the outer brake-shoe branch in the right side
Support member 25 is connected.Lower deceleration of electrons cylinder 10 is connected with back-plate 13 outside, installs the left outside system of outer brake-shoe support member 17
Dynamic hoof support member 24, the center of the right outer bottom of brake-shoe support member 25, and with left outside brake-shoe support member 24, the outer brake-shoe branch in the right side
Support member 25 is connected.
Preceding stacked electronic brake drum 1, rear stacked electronic brake drum 5 also include outer upper reset spring 28, outer lower back-moving spring
29th, interior upper reset spring 30, interior lower back-moving spring 31.The two ends of outer upper reset spring 28 respectively with left outside brake-shoe support member
24th, the top connection of right outer brake-shoe support member 25；The two ends of outer lower back-moving spring 29 respectively with left outside brake-shoe support member 24,
The bottom connection of right outer brake-shoe support member 25.The two ends of interior upper reset spring 30 respectively with left inside brake-shoe support member 20, right
The top connection of internal brake shoe support member 21；The two ends of interior lower back-moving spring 31 are interior with left inside brake-shoe support member 20, the right side respectively
The bottom connection of brake-shoe support member 21.
Outside upper deceleration of electrons cylinder 9, outer lower deceleration of electrons cylinder 10, interior upper deceleration of electrons cylinder 11, the interior lower knot of deceleration of electrons cylinder 12
Structure is identical；Outside upper deceleration of electrons cylinder 9, outer lower deceleration of electrons cylinder 10, interior upper deceleration of electrons cylinder 11, interior lower deceleration of electrons cylinder 12 are any
Xiang Jun includes brake cylinder casing 32, adjusting nut 33, braking motor 34, coaxial speed reducer 35, dust seal guidance set 36, nut
Mechanism 37, screw mechanism 38.Brake cylinder casing 32 is connected with back-plate 13；The cavity arrangements of brake cylinder casing 32 have multiple guiding teeth
Multiple guiding double wedges are arranged on groove, the shell of braking motor 34；Braking motor 34 is connected with coaxial speed reducer 35 and installed in braking
In the teeth groove of cylinder body 32, and the double wedge of braking motor 34 is engaged with the teeth groove of brake cylinder casing 32 and is slidably connected.Screw mechanism 38
Be connected respectively with the output end and nut body 37 of coaxial speed reducer 35, dust seal guidance set 36 respectively with coaxial speed reducer
35 and nut body 37 connect, the other end of braking motor 34 is connected with adjusting nut 33.
The nut body 37 of outside upper deceleration of electrons cylinder 9 is engaged with the upper surface of right outer brake-shoe support member 25 and is connected；
The nut body 37 of outer lower deceleration of electrons cylinder 10 is engaged with the left outside lower surface of brake-shoe support member 24 to be connected；Interior upper electronics system
The nut body 37 of dynamic cylinder 11 is engaged with the upper surface of right internal brake shoe support member 21 to be connected；Interior lower deceleration of electrons cylinder 12
Nut body 37 is engaged with the lower surface of left inside brake-shoe support member 20 and is connected.
First planetary mechanism 2 includes the first sun gear 39, center row star-wheel 40, middle planetary wheel shaft 41, center row star-wheel
Bearing 42, the first planetary gear 43, duplex planet wheel shaft 44, duplex planet wheel bearing 45, the first ring gear 46, planet carrier 47.It is double
Connection planet wheel bearing 45, middle planetary wheel bearing 42 are respectively connected with planet carrier 47, middle planetary wheel shaft 41 respectively with centre
Planet wheel bearing 42, center row star-wheel 40 are connected；Duplex planet wheel shaft 44 respectively with the first planetary gear 43, duplex planet bearing 45
Connection.External toothing is connected successively for first sun gear 39, center row star-wheel 40, the first planetary gear 43.First planetary gear 43 and first
The internal messing of ring gear 46 is connected.Second planetary mechanism 3 includes the second planetary gear 48, the second sun gear 49, the second ring gear 50.The
Two planetary gears 48 are connected with duplex planet wheel shaft 44；Second sun gear 49 is connected with the external toothing of the second planetary gear 48；Second planet
Wheel 48 is connected with the internal messing of the second ring gear 50.
Third planet mechanism 4 includes the third line carrier 51, third planet wheel bearing 52, the 3rd sun gear 53, third planet
Wheel 54, third planet wheel shaft 55, the 3rd ring gear 56.Third planet wheel bearing 52 is connected with the third line carrier 51, third planet
Wheel shaft 55 is connected with third planet wheel bearing 52, the third line star-wheel 54 respectively.3rd sun gear 53 outside the third line star-wheel 54 with nibbling
Close connection；The third line star-wheel 54 is connected with the internal messing of the 3rd ring gear 56.
The outer brake drum 19 of preceding stacked electronic brake drum 1 is connected by preceding outer brake drum terminal pad 57 and the first ring gear 46
Connect；The inside brake drum 18 of preceding stacked electronic brake drum 1 rouses terminal pad 58 by preceding inside brake and is connected with the first sun gear 39.In preceding
Brake drum terminal pad 58 is hollow-core construction, and input shaft 7 is connected through preceding inside brake drum terminal pad 58 with the second sun gear 49.Output
Axle 8 is connected with the rear end of planet carrier 47, and is connected by spline pair with the 3rd sun gear 53.Second ring gear 50 and the 3rd internal tooth
Circle 56 is fixedly connected by ring gear connector 59；The outer brake drum 19 of stacked electronic brake drum 5 is connected by rear outer brake drum afterwards
Disk 60 is connect to be connected with ring gear connector 59；The inside brake drum 18 of stacked electronic brake drum 5 rouses terminal pad by rear inside brake afterwards
61 are connected with the third line carrier 51.
The present invention has following main operation modes：
First, I grades of patterns
When gearbox control (in figure be depending on going out) sends I grade to gearbox to be instructed, preceding stacked electronic brake drum 1 it is interior
The outer brake drum 19 of brake drum 18, outer brake drum 19 and rear stacked electronic brake drum 5 is in free rotary state；Lamination electricity after i.e.
The inside brake drum 18 of sub- brake drum 5 is in and is braked state.The interior upper deceleration of electrons cylinder 11 of stacked electronic brake drum 5 is folded with rear afterwards
The braking motor 34 of the interior lower deceleration of electrons cylinder 12 of layer deceleration of electrons drum 5 receives gearbox control instruction, and braking motor 34 is just
To rotating and (being defined as closing brake) and impart power to coaxial speed reducer 35, coaxial speed reducer 35 drives output end screw rod
Mechanism 38 rotates, and screw mechanism 38 drives nut body 37 to rotate.Now, nut body 37 is circumferentially braked by guiding mechanism, because
And, nut body 37 is moved forward；Meanwhile, screw mechanism 38 will reversely axial thrust be to coaxial speed reducer 35 and brakes electricity
On machine 34, because braking motor 34 can only be moved axially along the inner chamber of checking cylinder 32, thus, braking motor 34 drives adjustment spiral shell
Mother 33 moves backward；The left outside brake-shoe support member 24 of stacked electronic brake drum 5, right outer brake-shoe support member 25 are by rear lamination afterwards
The interior upper deceleration of electrons cylinder 11 and interior lower deceleration of electrons cylinder 12 of deceleration of electrons drum 5 are strutted, and then, rear stacked electronic brake drum 5
Internal brake shoe 14 brakes the inside brake drum 18 of rear stacked electronic brake drum 5.When braking motor 34 reaches setting electric current intensity,
Gearbox control sends instruction out of service, and carries out locking using bolt and nut mechanism 37, since then, after the completion of stacked electronic
The closure braking of inside brake drum 18 of brake drum 5.Now, external impetus passes to the second sun gear 49, second sun by input shaft 7
Wheel 49 imparts power to the second planetary gear 48 by external toothing relation, and the one side of the second planetary gear 48 passes through middle planetary wheel shaft
41 pass motion to the first planetary gear 43, and the one side of the first planetary gear 43 is passed motion in first by internal messing relation
Gear ring 46, now, because the outer brake drum 19 of preceding stacked electronic brake drum 1 is off, and then passes through preceding outer brake drum
The first ring gear 46 that terminal pad 57 is attached thereto is in free rotary state；The another aspect of first planetary gear 43 passes through external toothing
Relation passes motion to center row star-wheel 40, and center row star-wheel 40 passes motion to the first sun gear by external toothing relation
39, now, because the inside brake drum 18 of preceding stacked electronic brake drum 1 is in free rotary state, and then roused by preceding inside brake
The first sun gear 39 that terminal pad 58 is attached thereto is in free rotary state, therefore, and the first planet arrangement mechanism does not rise any dynamic
Power transmission is acted on；The another aspect of second planetary gear 48 is imparted power in the second ring gear 50, second by internal messing relation
Gear ring 50 imparts power to the 3rd ring gear 56 by ring gear connector 59, due to the outer system of rear stacked electronic brake drum 5
Dynamic drum 19 is off, and therefore, the outer brake drum 19 for the rear stacked electronic brake drum 5 being connected with the 3rd ring gear 56 is in
Free rotary state；3rd ring gear 56 imparts power to the third line star-wheel 54, the third line star-wheel 54 by internal messing relation
3rd sun gear 53 is imparted power to by external toothing relation；Because the inside brake drum 18 of rear stacked electronic brake drum 5 is in
Closure state, and then the third line carrier 51 is braked；Now, the power part from the second sun gear 49 is defeated by planet carrier 47
Go out, another part is exported by the 3rd sun gear 53, the two is overlapped output by output shaft 8.
I notch speeds ratio is：
Wherein：Z1 represents the number of teeth of the first sun gear 39；Z2 represents the number of teeth of the first planetary gear 43；Z3 represents the second planetary gear 48
The number of teeth；Z4 represents the number of teeth of the second sun gear 49；Z5 represents the number of teeth of the first ring gear 46；Z6 represents the number of teeth of the 3rd sun gear 53；Z7
Represent the number of teeth of the second ring gear 50；Z8 represents the number of teeth of the 3rd ring gear 56；N1 represents the rotating speed of input shaft 7；N2 represents output shaft 8
Rotating speed.
2nd, II grades of patterns
It is the inside brake drum 18 of preceding stacked electronic brake drum 1, outer when gearbox control sends II grades of instructions to gearbox
The inside brake drum 18 of brake drum 19 and rear stacked electronic brake drum 5 is in free rotary state；Stacked electronic brake drum 5 is outer afterwards
Brake drum 19 is in closure state.
The outside upper deceleration of electrons cylinder 9 of stacked electronic brake drum 5, the braking motor 34 of outer lower deceleration of electrons cylinder 10 receive change afterwards
Fast case controller instruction, braking motor 34 rotates forward and (is defined as closing brake) and imparts power to coaxial speed reducer
35, coaxial speed reducer 35 drives output end screw mechanism 38 to rotate, and screw mechanism 38 drives nut body 37 to rotate, now, spiral shell
Parent agency 37 is circumferentially braked by guiding mechanism, and nut body 37 is moved forward；Meanwhile, screw mechanism 38 makees reverse axial thrust
Use on coaxial speed reducer 35 and braking motor 34.Braking motor 34 can only be moved axially along the inner chamber of checking cylinder 32, thus, braking
Motor 34 drives adjusting nut 33 to move backward.The left outside brake-shoe support member 24 of outer brake-shoe support member 17, right outer brake-shoe
Support member 25 is strutted by the outside upper deceleration of electrons cylinder 9 of rear stacked electronic brake drum 5, outer lower deceleration of electrons cylinder 10, and then, rear lamination
The outer brake-shoe 15 of deceleration of electrons drum 5 brakes the outer brake drum 19 of rear stacked electronic brake drum 5.Set when braking motor 34 reaches
When determining current strength, gearbox control sends instruction out of service, and carries out locking using bolt and nut mechanism 37, since then,
After the completion of stacked electronic brake drum 5 outer brake drum 19 braking closure.Now, external impetus passes to second too by input shaft 7
Sun wheel 49, the second sun gear 49 imparts power to the second planetary gear 48 by external toothing relation, and the second planetary gear 48 is on the one hand
First planetary gear 43 is passed motion to by duplex planet wheel shaft 44, the one side of the first planetary gear 43 will by internal messing relation
Motion passes to the first ring gear 46, now, and shape is freely rotated because the outer brake drum 19 of preceding stacked electronic brake drum 1 is in
State, and then the first ring gear 46 being attached thereto by preceding outer brake drum terminal pad 57 is in free rotary state；First planet
Take turns 43 another aspects and center row star-wheel 40 is passed motion to by external toothing relation, center row star-wheel 40 passes through external toothing relation
The first sun gear 39 is passed motion to, now, shape is freely rotated because the inside brake drum 18 of preceding stacked electronic brake drum 1 is in
State, and then the first sun gear 39 being attached thereto by preceding inside brake drum terminal pad 58 is in free rotary state, therefore, first
Planetary mechanism 2 does not play any power transmission；The another aspect of second planetary gear 48 is imparted power to by internal messing relation
Second ring gear 50, the second ring gear 50 imparts power to the 3rd ring gear 56 by ring gear connector 59, due to rear folded
The outer brake drum 19 of layer deceleration of electrons drum 5 is in closure state, therefore, the rear stacked electronic braking being connected with the 3rd ring gear 56
The outer brake drum 19 of drum 5 is in on-position, and then the second ring gear 50 is also at on-position；Due to the braking of rear stacked electronic
The off-state of inside brake drum 18 of drum 5, i.e., the inside brake drum 18 of rear stacked electronic brake drum 5 is in free rotary state, and then
The third line carrier 51 does not play any power transmission in free rotary state, i.e. third planet mechanism 4；Now, from
The power of two sun gears 49 is exported by planet carrier 47, and is exported by output shaft 8.
II notch speeds ratio is：
3rd, III grades of patterns
When gearbox control (not shown) sends III grades of instructions to gearbox, the interior system of preceding stacked electronic brake drum 1
Dynamic drum 18, the outer brake drum 19 and inside brake drum 18 of rear stacked electronic brake drum 5 are remained off, i.e., preceding stacked electronic braking
The inside brake drum 18 of drum 1, the outer brake drum 19 of rear stacked electronic brake drum 5 and inside brake drum 18 are in free rotary state；Before
The outer brake drum 19 of stacked electronic brake drum 1 is in closure state.It is the outside upper deceleration of electrons cylinder 9 of preceding stacked electronic brake drum 1, outer
The braking motor 34 of lower deceleration of electrons cylinder 10 receives gearbox control instruction, and braking motor 34, which is rotated forward, (is defined as closure
Brake) and coaxial speed reducer 35 is imparted power to, coaxial speed reducer 35 drives output end screw mechanism 38 to rotate, screw machine
Structure 38 drives nut body 37 to rotate, now, and nut body 37 is circumferentially braked by guiding mechanism, thus, nut body 37 is forward
Motion；Meanwhile, screw mechanism 38 will reversely axial thrust on coaxial speed reducer 35 and braking motor 34 because, braking
Motor 34 can only be moved axially along the inner chamber of checking cylinder 32, thus, braking motor 34 drives adjusting nut 33 to move backward；Outer braking
The left outside brake-shoe support member 24 of hoof support member 17, right outer brake-shoe support member 25 are by the outside upper electricity of preceding stacked electronic brake drum 1
Sub- checking cylinder 9, outer lower deceleration of electrons cylinder 10 are strutted, and then, outer brake-shoe 15 brakes outer brake drum 19.When braking motor 34 reaches
During to setting electric current intensity, gearbox control sends instruction out of service, and carries out locking using bolt and nut mechanism 37, from
This, the outer brake drum 19 of stacked electronic brake drum 1 is closed before completing.Now, external impetus passes to second sun by input shaft 7
Wheel 49, the second sun gear 49 imparts power to the second planetary gear 48 by external toothing relation, and on the one hand the second planetary gear 48 leads to
Cross duplex planet wheel shaft 44 and pass motion to the first planetary gear 43, the one side of the first planetary gear 43 will be transported by internal messing relation
It is dynamic to pass to the first ring gear 46, now, because the outer brake drum 19 of preceding stacked electronic brake drum 1 is in on-position, and then
The first ring gear 46 being attached thereto by preceding outer brake drum terminal pad 57 is in on-position；First planetary gear 43 is on the other hand
Center row star-wheel 40 is passed motion to by external toothing relation, center row star-wheel 40 is passed motion to by external toothing relation
First sun gear 39, now, because the inside brake drum 18 of preceding stacked electronic brake drum 1 is off, i.e. inside brake drum 18
In free rotary state, and then the first sun gear 39 being attached thereto by preceding inside brake drum terminal pad 58 is in and freely rotated
State.Now, the first planetary mechanism 2 and the common starting power transmission effect of the second planetary mechanism 3；Due to rear stacked electronic brake drum
5 inside brake drum 18 is off, i.e., the inside brake drum 18 of rear stacked electronic brake drum 5 is in free rotary state, enters
And the third line carrier 51 does not play any power transmission in free rotary state, i.e. third planet mechanism 4；Now, come from
The power of second sun gear 49 is exported by planet carrier 47, and is exported by output shaft 8.
III notch speeds ratio is：
4th, IV grades of patterns
When gearbox control sends IV grades of instructions to gearbox, the inside brake drum 19 of preceding stacked electronic brake drum 1, after
The outer brake drum 19 and inside brake drum 18 of stacked electronic brake drum 5 are remained off, i.e., the interior system of preceding stacked electronic brake drum 1
Dynamic drum 19, the outer brake drum 19 and inside brake drum 18 of rear stacked electronic brake drum 5 are in free rotary state.Preceding stacked electronic system
The inside brake drum 18 of dynamic drum 1 is in closure state, i.e. inside brake drum 18 is braked state.Preceding stacked electronic brake drum 1
Interior upper deceleration of electrons cylinder 11, the braking motor 34 of interior lower deceleration of electrons cylinder 12 receive gearbox control instruction, braking motor 34
Rotate forward and (be defined as closing brake) and impart power to coaxial speed reducer 35, coaxial speed reducer 35 drives output end spiral shell
Linkage 38 is rotated, and screw mechanism 38 drives nut body 37 to rotate, now, and nut body 37 is circumferentially braked by guiding mechanism,
Thus, nut body 37 is moved forward；Meanwhile, screw mechanism 38 will reversely axial thrust be to coaxial speed reducer 35 and brakes
On motor 34, because braking motor 34 can only be moved axially along the inner chamber of checking cylinder 32, thus, braking motor 34 drives adjustment spiral shell
Mother 33 moves backward.The left inside brake-shoe support member 20 of internal brake shoe support member 16, right internal brake shoe support member 21 are by preceding lamination
The interior upper deceleration of electrons cylinder 11 of deceleration of electrons drum 1, interior lower deceleration of electrons cylinder 12 are strutted, and then, internal brake shoe 14 rouses inside brake
18 brakings.When braking motor 34 reaches setting electric current intensity, gearbox control sends instruction out of service, and utilizes screw rod
Nut body 37 carries out locking, since then, and the inside brake drum 18 of stacked electronic brake drum 1 is closed before completing.Now, external impetus by
Input shaft 7 passes to the second sun gear 49 through input shaft 7, and the second sun gear 49 imparts power to second by external toothing relation
Planetary gear 48, the one side of the second planetary gear 48 passes motion to the first planetary gear 43, the first row by duplex planet wheel shaft 44
The one side of star-wheel 43 passes motion to the first ring gear 46 by internal messing relation, now, due to preceding stacked electronic brake drum 1
Outer brake drum 19 be off, i.e., outer brake drum 19 is in free rotary state, and then passes through preceding outer brake drum connection
The first ring gear 46 that disk 57 is attached thereto is in free rotary state；The another aspect of first planetary gear 43 passes through external toothing relation
Center row star-wheel 40 is passed motion to, center row star-wheel 40 passes motion to the first sun gear 39 by external toothing relation,
Now, on-position is in because the inside brake drum 18 of preceding stacked electronic brake drum 1 is in closure state, i.e. inside brake drum 18,
And then the first sun gear 39 being attached thereto by preceding inside brake drum terminal pad 58 is in on-position, now, the first planet machine
The common starting power transmission effect of 2 and second planetary mechanism of structure 3；Break because the inside brake drum 18 of rear stacked electronic brake drum 5 is in
Open state, i.e., the inside brake drum 18 of rear stacked electronic brake drum 5 is in free rotary state, and then the third line carrier 51 is in certainly
Any power transmission is not played by rotary state, i.e. third planet mechanism；Now, the power from the second sun gear 49 is by going
Carrier 47 is exported, and is exported by output shaft 8.
IV notch speeds ratio is：
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to described implementation
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen within protection scope of the present invention.
Claims (10)
1. stacked electronic brakes drum-type four-speed automatic transimission, it is characterised in that including preceding stacked electronic brake drum, the first row
Star mechanism, the second planetary mechanism, third planet mechanism and rear stacked electronic brake drum, casing, input shaft, output shaft, it is described before
Stacked electronic brake drum, the first planetary mechanism, the second planetary mechanism, third planet mechanism and rear stacked electronic brake drum it is coaxial according to
Secondary installed with casing is connected, and the preceding stacked electronic brake drum is located at the front end of casing；The rear stacked electronic brake drum is located at
The rear end of casing；The input shaft is connected with the second planetary mechanism, the output shaft respectively with the first planetary mechanism and the second row
The 3rd sun gear connection of star mechanism common planet carrier, third planet mechanism.
2. stacked electronic according to claim 1 brakes drum-type four-speed automatic transimission, it is characterised in that folded before described
Layer deceleration of electrons drum is identical with rear stacked electronic brake drum structure；The preceding stacked electronic brake drum or rear stacked electronic brake drum
Including outside upper deceleration of electrons cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior lower deceleration of electrons cylinder, back-plate, interior system
Dynamic hoof, outer brake-shoe, internal brake shoe support member, outer brake-shoe support member, inside brake drum, outer brake drum；The internal brake shoe with
Internal brake shoe support member is connected；The outer brake-shoe is connected with outer brake-shoe support member；The internal brake shoe support member, outer braking
Hoof support member is connected with back-plate respectively；The back-plate is connected with casing；The interior upper deceleration of electrons cylinder is located at interior system
It is connected in the middle of dynamic hoof support member top with internal brake shoe support member；The interior lower deceleration of electrons cylinder is located under internal brake shoe support member
It is connected in the middle of portion with internal brake shoe support member；The outside upper deceleration of electrons cylinder is located in the middle of outer brake-shoe support member top and outer system
Dynamic hoof support member connection；The outer lower deceleration of electrons cylinder is located in the middle of outer brake-shoe support member bottom and connected with outer brake-shoe support member
Connect；The inside brake drum is connected with internal brake shoe gap；The outer brake drum is connected with outer Brake shoe clearance.
3. stacked electronic according to claim 2 brakes drum-type four-speed automatic transimission, it is characterised in that the interior system
Dynamic hoof support member, internal brake shoe, outer brake-shoe support member, outer brake-shoe are radially co-axially mounted from inside to outside；The inside brake
Hoof support member includes left inside brake-shoe support member, right internal brake shoe support member, and left inside brake-shoe support member, right internal brake shoe branch
Support member is symmetrical arranged；The internal brake shoe includes left inside brake-shoe, right internal brake shoe, and left inside brake-shoe, right internal brake shoe pair
Claim to set；The outer brake-shoe support member includes left outside brake-shoe support member, right outer brake-shoe support member, and left outside brake-shoe branch
Support member, right outer brake-shoe support member are symmetrical arranged；The outer brake-shoe includes left outside brake-shoe, right outer brake-shoe, and left outside system
Dynamic hoof, right outer brake-shoe are symmetrical arranged.
4. stacked electronic according to claim 3 brakes drum-type four-speed automatic transimission, it is characterised in that folded before described
Layer deceleration of electrons drum or rear stacked electronic brake drum also include outer upper reset spring, outer lower back-moving spring, interior upper reset spring, interior
Lower back-moving spring, the two ends of the outer upper reset spring respectively with left outside brake-shoe support member, right outer brake-shoe support member it is upper
Portion is connected；Bottom of the two ends of the outer lower back-moving spring respectively with left outside brake-shoe support member, right outer brake-shoe support member connects
Connect；Top of the two ends of the interior upper reset spring respectively with left inside brake-shoe support member, right internal brake shoe support member is connected；Institute
Bottom of the two ends of interior lower back-moving spring respectively with left inside brake-shoe support member, right internal brake shoe support member is stated to be connected.
5. stacked electronic according to claim 4 brakes drum-type four-speed automatic transimission, it is characterised in that described outside upper
Deceleration of electrons cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior lower deceleration of electrons cylinder structure are identical；The outside upper electronics
Any one of checking cylinder, outer lower deceleration of electrons cylinder, interior upper deceleration of electrons cylinder, interior lower deceleration of electrons cylinder include brake cylinder casing, regulation
Nut, braking motor, coaxial speed reducer, dust seal guidance set, nut body, screw mechanism, the brake cylinder casing and system
Dynamic base plate connection；The brake cylinder casing cavity arrangements, which have, arranges multiple guiding double wedges on multiple guiding teeth groove, braking motor shell；
The braking motor is connected and is arranged in the teeth groove of brake cylinder casing with coaxial speed reducer, the double wedge of the braking motor and braking
The teeth groove of cylinder body, which is engaged, to be slidably connected；Screw mechanism output end respectively with coaxial speed reducer, nut body are connected, institute
State dust seal guidance set to be connected with coaxial speed reducer, nut body respectively, the other end and the regulation spiral shell of the braking motor
Mother's connection.
6. stacked electronic according to claim 5 brakes drum-type four-speed automatic transimission, it is characterised in that described outside upper
The nut body of deceleration of electrons cylinder is engaged with the upper surface of right outer brake-shoe support member and is connected；The outer lower deceleration of electrons cylinder
Nut body be engaged and be connected with left outside brake-shoe support member lower surface；The nut body of the interior upper deceleration of electrons cylinder with
The upper surface of right internal brake shoe support member is engaged connection；The nut body of the interior lower deceleration of electrons cylinder and left inside brake-shoe
Support member lower surface is engaged connection.
7. stacked electronic according to claim 6 brakes drum-type four-speed automatic transimission, it is characterised in that described first
Planetary mechanism includes the first sun gear, center row star-wheel, middle planetary wheel shaft, middle planetary wheel bearing, the first planetary gear, duplex
Planet wheel spindle, duplex planet wheel bearing, the first ring gear, planet carrier, the duplex planet wheel bearing, middle planetary wheel bearing are equal
It is connected respectively with planet carrier, the middle planetary wheel shaft is connected with middle planetary wheel bearing, center row star-wheel respectively；The duplex
Planet wheel spindle is connected with the first planetary gear, duplex planet bearing respectively；First sun gear, center row star-wheel, the first planet
External toothing is connected wheel successively；First planetary gear is connected with the first ring gear internal messing；Second planetary mechanism includes the
Two planetary gears, the second sun gear, the second ring gear, second planetary gear are connected with duplex planet wheel shaft；Second sun
Wheel is connected with the second planetary gear external toothing；Second planetary gear is connected with the second ring gear internal messing.
8. stacked electronic according to claim 7 brakes drum-type four-speed automatic transimission, it is characterised in that the described 3rd
Planetary mechanism includes the third line carrier, third planet wheel bearing, the 3rd sun gear, the third line star-wheel, third planet wheel shaft, the 3rd
Ring gear, the third planet wheel bearing is connected with the third line carrier, the third planet wheel shaft respectively with third planet wheel shaft
Hold, the third line star-wheel is connected；3rd sun gear is connected with the third line star-wheel external toothing；In the third line star-wheel and the 3rd
Gear ring internal messing is connected.
9. stacked electronic according to claim 8 brakes drum-type four-speed automatic transimission, the preceding stacked electronic braking
Bulging outer brake drum is connected by preceding outer brake drum terminal pad with the first ring gear；The inside brake of the preceding stacked electronic brake drum
Drum rouses terminal pad by preceding inside brake and is connected with the first sun gear；The preceding inside brake drum terminal pad is hollow-core construction, described defeated
Enter axle to be connected with the second sun gear through preceding inside brake drum terminal pad.
10. stacked electronic according to claim 9 brakes drum-type four-speed automatic transimission, it is characterised in that described defeated
The rear end connection of shaft and planet carrier, and be connected by spline pair with the 3rd sun gear；Second ring gear and the 3rd internal tooth
Circle is fixedly connected by ring gear connector；The outer brake drum of the rear stacked electronic brake drum passes through rear outer brake drum terminal pad
It is connected with ring gear connector；The inside brake drum of the rear stacked electronic brake drum rouses terminal pad and the third line by rear inside brake
Carrier is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180001.4A CN106499781B (en) | 2016-12-19 | 2016-12-19 | Stacked electronic brakes drum-type four-speed automatic transimission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180001.4A CN106499781B (en) | 2016-12-19 | 2016-12-19 | Stacked electronic brakes drum-type four-speed automatic transimission |
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| CN106499781B true CN106499781B (en) | 2017-07-14 |
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| CN102155521A (en) * | 2010-02-11 | 2011-08-17 | 宁波宏协离合器有限公司 | Planetary gear mechanism and mechanical speed changer comprising same |
| CN103640471A (en) * | 2013-12-20 | 2014-03-19 | 上海中科深江电动车辆有限公司 | Side gearbox with two forward gears and two reverse gears and corresponding electric transmission device |
| CN103879450A (en) * | 2014-03-24 | 2014-06-25 | 上海中科深江电动车辆有限公司 | Planetary steering mechanism and transmission device based on same |
| CN205278253U (en) * | 2016-01-20 | 2016-06-01 | 福建万润新能源科技有限公司 | Automobile -used derailleur that clutch and stopper combined together |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8083630B2 (en) * | 2008-12-22 | 2011-12-27 | Caterpillar Inc. | Compact planetary transmission |
| CN103339401B (en) * | 2011-02-02 | 2017-02-15 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Drum brake module which can be operated by electric motor |
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2016
- 2016-12-19 CN CN201611180001.4A patent/CN106499781B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155521A (en) * | 2010-02-11 | 2011-08-17 | 宁波宏协离合器有限公司 | Planetary gear mechanism and mechanical speed changer comprising same |
| CN103640471A (en) * | 2013-12-20 | 2014-03-19 | 上海中科深江电动车辆有限公司 | Side gearbox with two forward gears and two reverse gears and corresponding electric transmission device |
| CN103879450A (en) * | 2014-03-24 | 2014-06-25 | 上海中科深江电动车辆有限公司 | Planetary steering mechanism and transmission device based on same |
| CN205278253U (en) * | 2016-01-20 | 2016-06-01 | 福建万润新能源科技有限公司 | Automobile -used derailleur that clutch and stopper combined together |
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