CN104389958B - Multi-position line-control automatic transmission for electric automobile - Google Patents
Multi-position line-control automatic transmission for electric automobile Download PDFInfo
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- CN104389958B CN104389958B CN201410471726.3A CN201410471726A CN104389958B CN 104389958 B CN104389958 B CN 104389958B CN 201410471726 A CN201410471726 A CN 201410471726A CN 104389958 B CN104389958 B CN 104389958B
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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
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a multi-position line-control automatic transmission for an electric automobile. One end of an internal ring gear of an input shaft is connected with an input shaft of the transmission, and the other end of the internal ring gear of the input shaft is sequentially engaged with a first-position high-speed gear, a second-position high-speed gear, a third-position high-speed gear and a fourth-position high-speed gear along the inner side of the periphery of a gear. The first-position high-speed gear, the second-position high-speed gear, the third-position high-speed gear and the fourth-position high-speed gear are respectively connected with a first-position main shaft, a second-position main shaft, a third-position main shaft and a fourth-position main shaft through a first-position electromagnetic clutch, a second-position electromagnetic clutch, a third-position electromagnetic clutch, and a fourth-position electromagnetic clutch. The first-position main shaft, the second-position main shaft, the third-position main shaft and the fourth-position main shaft are distributed at the periphery of a central shaft of the transmission. The engagement and separation of all high-speed gears of all electromagnetic clutches with driving gears is controlled by an electric control unit, thereby achieving line-control gear shift of the transmission. The transmission is compact in structure, employs line-control gear shift, and has no machines or hydraulic gear shift parts.
Description
Technical field
The invention belongs to technical field of electric vehicle transmission, it is related to a kind of electric car automatic speed transmission, more precisely
It is gear line traffic control automatic transmission more than a kind of electric automobile.
Background technology
For solving energy crisis and this two big world property difficult problem of environmental pollution, electric vehicle engineering becomes future automobile development
Main way.As the power source of electric automobile, motor have low speed perseverance moment of torsion, the mechanical property of high speed invariable power, and
And have wider speed adjustable range, the gear decelerators adopting fixed speed ratio in therefore current transmission system of electric automobile more, but
It is very high to the output requirement of motor, needs motor to have higher peak torque and very wide speed adjustable range.In order to preferably
Meet dynamic property and cost-effectiveness requirement, the development of transmission system of electric automobile tends to gears more.
Automatic transmission is widely used in the various vehicle such as automobile, electric automobile, engineering machinery.Existing automatic transmission
Mainly there are hydraulic mechanical type automatic transmission (AT), metal band type ST (CVT), automatic mechanical transmission
(AMT), double-clutch automatic transmission (DCT) four major types.
Above-mentioned four class automatic transmission, all using electric-controlled hydraulic servomechanism installation, realize shift process control, complex structure, one-tenth
This height and increased control difficulty and complexity.The especially actuator of DCT includes：By hydraulic pump, hydraulic valve and accumulator
The oil supply mechanism of composition, by hydraulic pressure or motor-driven gear shifting actuating mechanism, by hydraulic pressure or motor-driven clutch control machine
Structure.These hydraulic controls make variator complicated integral structure, high cost and increased control difficulty and complexity.
With the extensive application of automotive electronic technology, the progressively ripe and automobile network communication technology of automatic control technology,
X-by-wire on Automobile has become following development trend of automobile；Automobile line traffic control (X-By-Wire) technology is exactly with electric wire and electronics
Controller, to replace mechanically and hydraulically system, the control action of driver is become the signal of telecommunication through sensor, is input to automatically controlled
Unit, produces control signal by ECU and drives actuator to carry out action required.X-by-wire on Automobile can reduce part
Complexity, reduce hydraulic pressure and mechanical driving device, electric wire move towards the motility of arrangement simultaneously, expands the freedom of Automobile Design
Space.
Content of the invention
It is an object of the invention to overcoming the shortcomings of existing various automatic transmission technology, one kind is provided both to enable power
Gearshift, has gear line traffic control automatic transmission more than reliability height, the novel electric vehicle of low cost again；It utilizes multiple independent annulars
The electromagnetic clutch of arrangement controls the liter downshift of variator.
Technical scheme is as follows：
Keeping off line traffic control automatic transmission a kind of electric automobile, including in input shaft ring gear, transmission input shaft, variator more
Countershaft, transmission output shaft, housing, ECU；One end of described input shaft ring gear is connected with one end of transmission input shaft
Connect；Be fixedly connected sequentially on described transmission countershaft have four gear driven gears, three gear driven gears, two gear driven gears, one
Gear driven gear, is also fixedly connected with sun gear in described transmission countershaft away from one end of input shaft ring gear；It is special
Levy and be：
The other end of described input shaft ring gear keeps off high gear, two gear high speed teeth successively along inside its gear ring circumference with one
Wheel, three gear high gears, four gear high gears often engage；
A described gear high gear, two gear high gears, three gear high gears, four gear high gears keep off electromagnetism with one respectively
The Partner of clutch, the Partner of two gear electromagnetic clutchs, the Partner of three gear electromagnetic clutchs, four gear electromagnetic clutchs
Partner connects；The drive end of a described gear electromagnetic clutch, the drive end of two gear electromagnetic clutchs, three gear electromagnetic clutchs
Drive end, the drive end of four gear electromagnetic clutchs are respectively by a gear main shaft, two gear main shafts, three gear main shafts, four gear main shafts and
Gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears connect；A described gear driving gear, two gear masters
Moving gear, three gear driving gears, four gear driving gears respectively with one gear driven gear, two gear driven gears, three gear driven gears,
Four gear driven gears often engage；
Described sun gear is often engaged with planetary gear, and described planetary gear is also often engaged with gear ring, and described planetary gear leads to
Guo Qi center bearing bore rolls to be installed in planet carrier, and described planet carrier is fixed on case of transmission, and described gear ring passes through spline
It is connected to one end of transmission output shaft, the other end of transmission output shaft is as transmission power outfan；
A described gear main shaft, two gear main shafts, three gear main shafts, four gear main shafts are distributed in the periphery of transmission countershaft, and one
The axis of gear main shaft, the axis of two gear main shafts, the axis of three gear main shafts, the four gear axis of main shaft and the axis of transmission countershaft
Parallel to each other；
Be installed with described housing a gear electromagnetic clutch brush, two gear electromagnetic clutch brushes, three gear electromagnetism from
Clutch brush, four gear electromagnetic clutch brushes, a described gear electromagnetic clutch brush, two gear electromagnetic clutch brushes, three gear electricity
Magnet clutch brush, four gear electromagnetic clutch brushes respectively with one gear electromagnetic clutch slip ring, two gear electromagnetic clutch slip rings, three
Gear electromagnetic clutch slip ring, four gear electromagnetic clutch slip rings keep sliding contact；The wiring of a described gear electromagnetic clutch brush
Terminal, the binding post of two gear electromagnetic clutch brushes, the binding post of three gear electromagnetic clutch brushes, four gear electromagnetic clutchs
The binding post of brush passes through wire respectively and keeps off control output end, two gear control output end, three gears with the one of ECU
Control output end, four gear control output ends are connected.
The number of teeth of a described gear high gear, the number of teeth of two gear high gears, the number of teeth of three gear high gears, four gears are at a high speed
The number of teeth of gear is 0.3 ~ 0.7 times of the input shaft ring gear number of teeth respectively, therefore input shaft ring gear and each forward gear high speed tooth
Take turns and subtract torsion transmission for speedup；It is that transmission input shaft is defeated that this speedup subtract the torsion kind of drive to make the moment of torsion needed for electromagnetic clutch
Enter 0.3 ~ 0.7 times of moment of torsion, reduce the size of electromagnetic clutch, decrease the power consumption of electromagnetic clutch.
The high gear of each gear of the line traffic control automatic transmission of gear more than the electric automobile of the present invention, electromagnetic clutch, main shaft and master
Moving gear is distributed in the periphery of transmission countershaft, spatially using being circular layout, compact conformation, and shorten the axle of variator
To length, save the space of change speed gear box.
The line traffic control automatic transmission of gear more than the electric automobile of the present invention adopts line traffic control mode, passes through wire by ECU completely
Control electromagnetic clutch joint with separate, realize automatic transmission line traffic control gearshift.
Compared with prior art, its advantage is the present invention：
（1）The line traffic control automatic transmission of gear more than the electric automobile of the present invention eliminates the main clutch of conventional transmissions, synchronization
Device and selector fork mechanism, realize shifting gears using line traffic control (CBW-Control By Wire) mode, are passed through by ECU completely
The joint of polygon control survey electromagnetic clutch with separate, realize automatic transmission line traffic control gearshift, simplify structure, reduce into
This, decrease fault rate simultaneously；
（2）Often engage, in shift process between each travelling gear of line traffic control automatic transmission of gear more than the electric automobile of the present invention
Power need not be cut off, decrease shift shock, improve acceleration and the driver comfort of automobile.
Brief description
Fig. 1 is a gear of gear line traffic control automatic transmission and the structural representations of two gears more than embodiment of the present invention electric automobile
(Section A-A of Fig. 2).
Fig. 2 is the I-I cross section structure schematic diagram of embodiment of the present invention Fig. 1 and each gear high speed gear position scattergram.
Fig. 3 is three gears of gear line traffic control automatic transmission and the structural representations of four gears more than embodiment of the present invention electric automobile
(section B-B of Fig. 2).
In figure：1. motor 2. case of transmission 23. transmission input shaft 24. transmission countershaft 25. variator
Output shaft 3. input shaft ring gear 41. 1 gear electromagnetic clutch 411. 1 gear electromagnetic clutch slip ring 412. 1 gear electromagnetism
Clutch brush 42. 2 gear electromagnetic clutch 421. 2 gear electromagnetic clutch slip ring 422. 2 gear electromagnetic clutch brush
43. 3 gear electromagnetic clutchs 431. 3 gear electromagnetic clutch slip rings 432. 3 gear electromagnetic clutch brushes 44. 4 gear electromagnetism from
Clutch 441. 4 gear electromagnetic clutch slip ring 442. 4 gear electromagnetic clutch brush 4Z1. mono- gear main shaft 4Z2. bis- gear main shaft
4Z3. tri- gear main shaft 4Z4. tetra- gear main shaft 51. 1 gear high gear 52. 2 gear high gear 53. 3 gear high gear 54.
Four gear high gear 61. 1 gear driving gear 62. two gear driving gear 63. 3 gear driving gear 64. 4 gear driving gears
71. 1 gear driven gear 72. 2 gear driven gear 73. 3 gear driven gear 74. 4 gear driven gear 91. sun gears 92.
Planetary gear 93. gear ring, 94. planet carrier, the 100. ECU 100a. mono- gear 100b. in control output end bis- gear controls defeated
Go out terminal 100c. tri- gear control output end sub- 100d. four gear control output ends.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is described in detail,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments；Based on the reality in the present invention
Apply example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work broadly falls into
The scope of protection of the invention.
As shown in Figure 1 to Figure 3, the line traffic control automatic transmission of gear more than the electric automobile of the present invention includes motor 1, in input shaft
Gear ring 3, transmission input shaft 23, transmission countershaft 24, transmission output shaft 25, housing 2, ECU 100；In input shaft
One end of gear ring 3 is connected with one end of transmission input shaft 23, and the other end of transmission input shaft 23 is connected with motor 1；Become
It is fixedly connected sequentially on fast device jackshaft 24 and have four gear driven gear 74, three gear driven gear 73, two gear driven gear 72, a gear
Driven gear 71, in the transmission countershaft 24 the one end away from input shaft ring gear 3 be also fixedly connected with sun gear 91.
The other end of input shaft ring gear 3 keeps off high speed tooth with a gear high gear 51, two successively along inside its gear ring circumference
Wheel 52, three gear high gear 53, four gear high gear 54 often engages.
In the present embodiment, a gear high gear 51, two gear high gear 52, three gear high gear 53, four gear high gear
54 adopt the identical number of teeth and physical dimension, decrease the species of processing part, make a gear high gear 51, two keep off high gear
52nd, three gear high gear 53, four gear high gears 54 are identical with the speed increasing ratio of input shaft ring gear 3.
One gear high gear 51, two gear high gear 52, three gear high gear 53, four gear high gear 54 keeps off with one respectively
The Partner of electromagnetic clutch 41, the Partner of two gear electromagnetic clutchs 42, the Partner of three gear electromagnetic clutchs 43, four gear electricity
The Partner of magnet clutch 44 connects；The drive end of one gear electromagnetic clutch 41, the drive end of two gear electromagnetic clutchs 42, three gears
The drive end of electromagnetic clutch 43, four gear electromagnetic clutchs 44 drive ends respectively by one gear main shaft 4Z1, two gear main shaft 4Z2,
Three gear main shaft 4Z3, four gear main shaft 4Z4 and a gear driving gear 61, two gear driving gear 62, three gear driving gear 63, four gear master
Moving gear 64 connects；One gear driving gear 61, two gear driving gear 62, three gear driving gear 63, four gear driving gear 64 are respectively
Often engage with a gear driven gear 71, two gear driven gear 72, three gear driven gear 73, four gear driven gear 74.
When the number of teeth of input shaft ring gear 3 and a gear high gear 51 the number of teeth once it is determined that, a gear driving gear 61 with
The gear ratio of one gear driven gear 71 determines the gear ratio of a gear；Two gear driving gear 62 and the number of teeth of two gear driven gears 72
Than the gear ratio determining two gears；Three gear driving gears 63 and three keep off the gear ratio that driven gear 73 gear ratios determine three gears；
Four gear driving gears 64 and four keep off the gear ratio that driven gear 74 gear ratios determine four gears.
One gear electromagnetic clutch brush 412, two gear electromagnetic clutch brush 422, three gear electromagnetism is installed with housing 2
Clutch brush 432, four keeps off electromagnetic clutch brush 442, a gear electromagnetic clutch brush 412, two gear electromagnetic clutch brush
422nd, three gear electromagnetic clutch brush 432, four gear electromagnetic clutch brushes 442 keep off electromagnetic clutch slip ring 411, two with one respectively
Gear electromagnetic clutch slip ring 421, three gear electromagnetic clutch slip ring 431, four gear electromagnetic clutch slip ring 441 keeps sliding contact；
The binding post of one gear electromagnetic clutch brush 412, the binding post of two gear electromagnetic clutch brushes 422, three gear electromagnetic clutch
The binding post of device brush 432, the binding post of four gear electromagnetic clutch brushes 442 pass through wire and ECU 100 respectively
One gear the 100a in control output end, two gear the 100b in control output end, three gear the 100c in control output end, four gear control output
Terminal 100d is connected.
ECU 100 passes through to control a gear electromagnetic clutch brush 412, two to keep off electromagnetic clutch brush 422, three gear electricity
Magnet clutch brush 432, four keeps off energising or the power-off of electromagnetic clutch brush 442, controls a gear electromagnetic clutch 41, two gear electricity
Magnet clutch 42, three keeps off joint and the separation that electromagnetic clutch 43, four keeps off electromagnetic clutch 44；ECU 100 passes through to control
One gear electromagnetic clutch brush 412, two gear electromagnetic clutch brush 422, three gear electromagnetic clutch brush 432, four gear electromagnetism from
The power-on voltage of clutch brush 442 or the size of electric current, control gear electromagnetic clutch 41, two gear electromagnetic clutch 42, three gear
Electromagnetic clutch 43, four keeps off the joint of electromagnetic clutch 44 and detached speed.
Sun gear 91 is often engaged with planetary gear 92, and planetary gear 92 is also often engaged with gear ring 93, and planetary gear 92 passes through
Its center bearing bore rolls to be installed in planet carrier 94, and planet carrier 94 is fixed on case of transmission 2, and gear ring 93 is fixed by spline
In one end of transmission output shaft 25, the other end of transmission output shaft 25 is as transmission power outfan；In the present embodiment,
The number of teeth of gear ring 93Z 93For 50 teeth, the number of teeth of sun gear 91Z 91For 18 teeth, the planetary number of teethZ 92For 16
Tooth.
One gear main shaft 4Z1, two gear main shaft 4Z2, three gear main shaft 4Z3, four gear main shaft 4Z4 are distributed in transmission countershaft 24
Periphery, and the axis of a gear main shaft 4Z1, two gear main shaft 4Z2, three gear main shaft 4Z3, four gear main shaft 4Z4 and transmission countershaft 24
Parallel to each other.
In the present embodiment, the tooth number Z of a gear high gear 5151, two gear high gears 52 tooth number Z52, three gear high speed teeth
The tooth number Z of wheel 5353, four gear high gears 54 tooth number Z54It is 22 teeth, the tooth number Z of input shaft ring gear 33For 60
Six teeth, i.e. the tooth number Z of a gear high gear 5151, two gear high gears 52 tooth number Z52, three gear high gears 53 the number of teeth
Z53, four gear high gears 54 tooth number Z54It is the tooth number Z of input shaft ring gear 330.33 times, therefore, input shaft ring gear 3
Subtract torsion transmission with each forward gear high gear for speedup, and a gear electromagnetic clutch 41, two gear electromagnetic clutch 42, three gear electromagnetism
The moment of torsion that clutch 43, four keeps off needed for electromagnetic clutch 44 is 0.33 times of transmission input shaft 23 input torque, therefore reduces
One gear electromagnetic clutch 41, two keeps off electromagnetic clutch 42, three to be kept off electromagnetic clutch 43, four and keeps off the torsion needed for electromagnetic clutch 44
Square, volume and power consumption.
Further illustrate each of the line traffic control automatic transmission of gear more than the electric automobile of the embodiment of the present invention with reference to Fig. 1, Fig. 3
Forward gear and the power transmission line reversing gear.
One gear transmission：Motor 1 rotates forward, and ECU 100 controls gear electromagnetic clutch 41 energising to engage, remaining electromagnetism
Clutch power-off separates, and the moment of torsion of motor 1 passes to input shaft ring gear 3, input shaft internal tooth by transmission input shaft 23
This moment of torsion is passed to a gear high gear 51 by circle 3 further, then is kept off actively by one by the gear electromagnetic clutch 41 engaging
Power is transferred to sun gear 91 by the engagement of gear 61 and a gear driven gear 71, finally by the central spline output of gear ring 93
To transmission output shaft 25, realize a gear transmission.Take the number of teeth of a gear driving gear 61Z 61For 14 teeth, a gear driven gear
71 number of teethZ 71For 52 teeth, the number of teeth of gear ring 93Z 93For 50 teeth, the number of teeth of sun gear 91Z 91For 18 teeth,
A then gear gear ratioi 1For：i 1=(Z 51/Z 3)*(Z 71/Z 61)*(Z 93/Z 91).
Reverse gear：Motor 1 inverts, and ECU 100 controls gear electromagnetic clutch 41 energising to engage, remaining electromagnetism
Clutch power-off separates, and the moment of torsion of motor 1 passes to input shaft ring gear 3, input shaft internal tooth by transmission input shaft 23
This moment of torsion is passed to a gear high gear 51 by circle 3 further, then is kept off actively by one by the gear electromagnetic clutch 41 engaging
Power is transferred to sun gear 91 by the engagement of gear 61 and a gear driven gear 71, finally by the central spline output of gear ring 93
To transmission output shaft 25, realize reverse gear.Back gear ratioi RFor：i R=(Z 51/Z 3)*(Z 71/Z 61)*(Z 93/Z 91).
Two gear transmissions：Motor 1 rotates forward, and ECU 100 controls two gear electromagnetic clutch 42 energisings to engage, remaining electromagnetism
Clutch power-off separates, and the moment of torsion of motor 1 passes to input shaft ring gear 3, input shaft internal tooth by transmission input shaft 23
This moment of torsion is passed to two gear high gears 52 by circle 3 further, then is kept off actively by two by the two gear electromagnetic clutchs 42 engaging
Power is transferred to sun gear 91 by the engagement of gear 62 and two gear driven gears 72, finally by the central spline output of gear ring 93
To transmission output shaft 25, realize two gear transmissions.Take the number of teeth of two gear driving gear 62Z 62For 21 teeth, two gear driven tooth
The number of teeth of wheel 72Z 72For 45 teeth, the number of teeth of gear ring 93Z 93For 50 teeth, the number of teeth of sun gear 91Z 91For 18
Tooth, then two gear gear ratioi 2For：i 2=(Z 52/Z 3)*(Z 72/Z 62)*(Z 93/Z 91).
Three gear transmissions：Motor 1 rotates forward, and ECU 100 controls three gear electromagnetic clutch 43 energisings to engage, remaining electromagnetism
Clutch power-off separates, and the moment of torsion of motor 1 passes to input shaft ring gear 3, input shaft internal tooth by transmission input shaft 23
This moment of torsion is passed to three gear high gears 53 by circle 3 further, then is kept off actively by three by the three gear electromagnetic clutchs 43 engaging
Power is transferred to sun gear 91 by the engagement of gear 63 and three gear driven gears 73, finally by the central spline output of gear ring 93
To transmission output shaft 25, realize three gear transmissions.Take the number of teeth of three gear driving gears 63Z 63For 27 teeth, three gear driven tooth
The number of teeth of wheel 73Z 73For three nineteen teeth, the number of teeth of gear ring 93Z 93For 50 teeth, the number of teeth of sun gear 91Z 91For 18
Tooth, then three gear gear ratioi 3For：i 3=(Z 53/Z 3)*(Z 73/Z 63)*(Z 93/Z 91).
Four gear transmissions：Motor 1 rotates forward, and ECU 100 controls four gear electromagnetic clutch 44 energisings to engage, remaining electromagnetism
Clutch power-off separates, and the moment of torsion of motor 1 passes to input shaft ring gear 3, input shaft internal tooth by transmission input shaft 23
This moment of torsion is passed to four gear high gears 54 by circle 3 further, then is kept off actively by four by the four gear electromagnetic clutchs 44 engaging
Power is transferred to sun gear 91 by the engagement of gear 64 and four gear driven gears 74, finally by the central spline output of gear ring 93
To transmission output shaft 25, realize four gear transmissions.Take the number of teeth of four gear driving gears 64Z 64For 32 teeth, four gear driven tooth
The number of teeth of wheel 74Z 74For 34 teeth, the number of teeth of gear ring 93Z 93For 50 teeth, the number of teeth of sun gear 91Z 91For 18
Tooth, then four gear gear ratioi 4For：i 4=(Z 54/Z 3)*(Z 74/Z 64)*(Z 93/Z 91).
Neutral：One gear electromagnetic clutch 41, two gear electromagnetic clutch 42, three gear electromagnetic clutch 43, four gear electromagnetic clutch
Device 44 is in power-off released state, realizes neutral.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that art those of ordinary skill possesses, can also be without departing from present inventive concept
Under the premise of various changes can be made.
Claims (3)
1. keep off line traffic control automatic transmission more a kind of electric automobile, including input shaft ring gear (3), transmission input shaft (23), become
Fast device jackshaft (24), housing (2), ECU (100)；One end of described input shaft ring gear (3) and transmission input shaft
(23) one end connects；It is fixedly connected sequentially on described transmission countershaft (24) and have four gear driven gears (74), three gears driven
Gear (73), two gears driven gear (72), gear driven gear (71), in described transmission countershaft (24) away from input shaft
One end of ring gear (3) is also fixedly connected with sun gear (91)；It is characterized in that：
The other end of described input shaft ring gear (3) is high with gear high gear (51), two gears successively along inside its gear ring circumference
Fast gear (52), three gears high gear (53), four gears high gear (54) often engage；
Described gear high gear (51), two gears high gear (52), three gears high gear (53), four gears high gear (54) point
Not with the Partner of gear electromagnetic clutch (41), the Partner of two gears electromagnetic clutch (42), three gears electromagnetic clutch (43)
Partner, four gear electromagnetic clutch (44) Partner connect；The drive end of described gear electromagnetic clutch (41), two gear electricity
The drive end of magnet clutch (42), the drive end of three gears electromagnetic clutch (43), the drive end of four gears electromagnetic clutch (44) divide
Not Tong Guo one gear main shaft (4Z1), two gear main shaft (4Z2), three gear main shaft (4Z3), four gear main shaft (4Z4) with one gear driving gear
(61), two gear driving gear (62), three gears driving gear (63), four gears driving gear (64) connect；A described gear driving gear
(61), two gear driving gear (62), three gears driving gear (63), four gears driving gear (64) keep off driven gear with one respectively
(71), two gears driven gear (72), three gears driven gear (73), four gears driven gear (74) often engage；
Be installed with described housing (2) gear electromagnetic clutch brush (412), two gear electromagnetic clutch brush (422), three
Gear electromagnetic clutch brush (432), four gear electromagnetic clutch brush (442), described one gear electromagnetic clutch brush (412), two
Gear electromagnetic clutch brush (422), three gears electromagnetic clutch brush (432), four gears electromagnetic clutch brush (442) are respectively with one
Gear electromagnetic clutch slip ring (411), two gears electromagnetic clutch slip ring (421), three gears electromagnetic clutch slip ring (431), four gear electricity
Magnet clutch slip ring (441) keeps sliding contact；The binding post of described gear electromagnetic clutch brush (412), two gear electromagnetism
The binding post of clutch brush (422), the binding post of three gears electromagnetic clutch brush (432), four gear electromagnetic clutch electricity
The binding post of brush (442) is passed through wire respectively and is controlled with gear control output end (100a) of ECU (100), two gears
Lead-out terminal (100b), three gears control output end (100c), four gear control output ends (100d) are connected.
2. more than electric automobile as claimed in claim 1 gear line traffic control automatic transmission it is characterised in that：A described gear main shaft
(4Z1), two gears main shaft (4Z2), three gears main shaft (4Z3), four gears main shaft (4Z4) are distributed in the periphery of transmission countershaft (24),
And the axis of gear main shaft (4Z1), the axis of two gears main shaft (4Z2), the axis of three gears main shaft (4Z3), four gears main shaft (4Z4)
Axis is parallel to each other with the axis of transmission countershaft (24).
3. more than electric automobile as claimed in claim 1 gear line traffic control automatic transmission it is characterised in that：A described gear high gear
(51) the number of teeth, the number of teeth of two gears high gear (52), the number of teeth of three gears high gear (53), the tooth of four gears high gear (54)
Number is respectively 0.3 ~ 0.7 times of the number of teeth of input shaft ring gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471726.3A CN104389958B (en) | 2014-09-15 | 2014-09-15 | Multi-position line-control automatic transmission for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471726.3A CN104389958B (en) | 2014-09-15 | 2014-09-15 | Multi-position line-control automatic transmission for electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN104389958A CN104389958A (en) | 2015-03-04 |
| CN104389958B true CN104389958B (en) | 2017-02-15 |
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| CN201410471726.3A Active CN104389958B (en) | 2014-09-15 | 2014-09-15 | Multi-position line-control automatic transmission for electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104763780A (en) * | 2015-03-26 | 2015-07-08 | 沃新动力***（上海）有限公司 | Driving system for pure electric bus |
| CN106763548A (en) * | 2016-10-25 | 2017-05-31 | 钟贵洪 | A kind of regulator for vehicle cool in summer and warm in winter |
| CN106594266B (en) * | 2017-01-09 | 2018-05-01 | 山东理工大学 | Five speed automatic transmission of automobile with brushless line traffic control centrifugal globe arm engagement device |
| CN106594106B (en) * | 2017-01-09 | 2018-05-15 | 山东理工大学 | Line traffic control friction and the electromagnetic clutch of engaged transmission engagement device |
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