CN104389999A - Three-gear wire control automatic transmission of electric vehicle - Google Patents
Three-gear wire control automatic transmission of electric vehicle Download PDFInfo
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- CN104389999A CN104389999A CN201410469720.2A CN201410469720A CN104389999A CN 104389999 A CN104389999 A CN 104389999A CN 201410469720 A CN201410469720 A CN 201410469720A CN 104389999 A CN104389999 A CN 104389999A
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a three-gear wire control automatic transmission of an electric vehicle. one end of an input gear is connected with an input shaft of the transmission, and the other end of the input gear is frequently engaged to a first-gear high speed gear, a second-gear high speed gear, a third-gear high speed gear and a reverse-gear idle gear along the peripheral outer side of the gear; the first-gear high speed gear, the second-gear high speed gear, the third-gear high speed gear and a reverse-gear high speed gear are respectively connected with a first-gear main shaft, a second-gear main shaft, a third-gear main shaft and a reverse-gear main shaft through a first-gear electromagnetic clutch, a second-gear electromagnetic clutch, a third-gear electromagnetic clutch and a reverse-gear electromagnetic clutch; the first-gear main shaft, the second-gear main shaft, the third-gear main shaft and the reverse-gear main shaft are distributed at the periphery of an intermediate shaft of the transmission; an electric control unit controls the joint and the separation of all gears of high speed gears and a driving gear through all gears of electromagnetic clutches to realize the wire control gear shifting control of the three-gear wire control automatic transmission of the electric vehicle. The three-gear wire control automatic transmission of the electric vehicle has such advantages as compact structure, wire control power gear shifting and no mechanical or hydraulic gear shifting parts.
Description
Technical field
The invention belongs to technical field of electric vehicle transmission, relate to a kind of electric car automatic speed transmission, more precisely a kind of electric vehicle three keeps off line traffic control automatic transmission.
Background technique
For solving energy crisis and this two big world property difficult problem of environmental pollution, electric vehicle engineering becomes the Main way of future automobile development.As the power source of electric vehicle, motor has the permanent moment of torsion of low speed, the mechanical property of high speed constant power, and there is wider speed adjustable range, therefore the gear retarder adopting fixed speed ratio in current transmission system of electric automobile more, but its output to motor requires very high, needs motor to have higher peak torque and very wide speed adjustable range.In order to meet power character and cost-effectiveness requirement better, the development of transmission system of electric automobile is tending towards keeping off change more.
Automatic transmission is widely used in the various vehicles such as automobile, electric vehicle, engineering machinery.Existing automatic transmission mainly contains hydraulic mechanical type automatic transmission (AT), metal band type CVT (continuously variable transmission) (CVT), automatic mechanical transmission (AMT), double-clutch automatic transmission (DCT) four major types.
Above-mentioned four class automatic transmission all adopt electric-controlled hydraulic servomechanism installation, realize shift process and control, and complex structure, cost are high and add and control difficulty and complexity.Especially the actuator of DCT comprises: the oil feeding mechanism be made up of oil hydraulic pump, hydrovalve and accumulator, by hydraulic pressure or motor-driven gear shifting actuating mechanism, by hydraulic pressure or motor-driven clutch operation.These hydraulic controls make speed changer complicated integral structure, cost high and add to control difficulty and complexity.
Along with the extensive use of the progressively ripe and automobile network communication technology of automotive electronic technology, automatic control technology, X-by-wire on Automobile has become the development trend in automobile future; Automobile line traffic control (X-By-Wire) technology replaces machinery and hydraulic system with electric wire and electronic controller exactly, the control action of driver is become electrical signal through sensor, be input to ECU (Electrical Control Unit), produce control signal by ECU (Electrical Control Unit) and drive actuator to carry out action required.X-by-wire on Automobile can reduce the complexity of parts, reduces hydraulic pressure and mechanical transmission, and electric wire moves towards the flexibility of layout simultaneously, expands the free space of Automobile Design.
Summary of the invention
The object of the invention is to the deficiency overcoming existing various automatic transmission technology, provide one to realize power gear shifting, there is again the novel electric vehicle three that reliability is high, cost is low and keep off line traffic control automatic transmission; It utilizes the lifting of multiple magnetic clutch controlled variator be independently circular layout to keep off.
Technological scheme of the present invention is as follows:
A kind of electric vehicle three keeps off line traffic control automatic transmission, comprises input gear, transmission input shaft, transmission countershaft, transmission output shaft, housing, ECU (Electrical Control Unit); One end of described input gear is connected with one end of transmission input shaft; Three gear driven gears, two that described transmission countershaft has been fixedly connected sequentially keep off driven gears, a gear driven gear, reverse gear driven gear, and one end away from input gear of countershaft is also fixedly connected with sun gear in the transmission; It is characterized in that:
Described input gear keeps off high gear, two successively and keeps off that high gear, three keeps off high gear, the idle pulley that reverses gear often engages with one along its gear outer circumferential; The described idle pulley that reverses gear often engages with the high gear that reverses gear;
A described gear high gear, two gear high gears, three gear high gears, the high gears that reverse gear keep off magnetic clutch respectively Partner, two with one keep off magnetic clutch Partner, three keeps off the Partner of magnetic clutch, the Partner of the magnetic clutch that reverses gear is connected; The drive end of a described gear magnetic clutch, the drive end of two gear magnetic clutchs, the three gear drive ends of magnetic clutch, the drive end of the magnetic clutch that reverses gear keep off driving gear, two respectively by a gear main shaft, two gear main shafts, three gear main shafts, the main shafts and that reverse gear and keep off that driving gear, three keeps off driving gear, the driving gear that reverses gear is connected; A described gear driving gear, two gear driving gears, three gear driving gears, the driving gears that reverse gear keep off driven gear, two respectively and keep off that driven gear, three keeps off driven gear, the driven gear that reverses gear often engages with one;
Described sun gear often engages with planetary pinion, described planetary pinion also often engages with gear ring, described planetary pinion is rolled by its center bearing bore and is arranged on planet carrier, described planet carrier is fixed on case of transmission, described gear ring is by spline joint one end at transmission output shaft, and the other end of transmission output shaft is as transmission power output terminal;
A described gear main shaft, two gear main shafts, three gear main shafts, the main shaft that reverses gear are distributed in the periphery of transmission countershaft, and the axis of the axis of the axis of a gear main shaft, two gear main shafts, the three gear axis of main shaft, the axis of the main shaft that reverses gear and transmission countershafts is parallel to each other;
Described housing is installed with a gear magnetic clutch brush, two gear magnetic clutch brushes, three gear magnetic clutch brushes, reverse gear magnetic clutch brush, a described gear magnetic clutch brush, two gear magnetic clutch brushes, three gear magnetic clutch brushes, the magnetic clutch brush that reverses gear keep off magnetic clutch slip ring, two respectively and keep off that magnetic clutch slip ring, three keeps off magnetic clutch slip ring, the magnetic clutch slip ring that reverses gear keeps sliding contact with one; The tenminal block of a described gear magnetic clutch brush, the tenminal block of two gear magnetic clutch brushes, the tenminal block of three gear magnetic clutch brushes, the tenminal block of the magnetic clutch brush that reverses gear respectively by wire and one of ECU (Electrical Control Unit) keep off control output end, two keep off control output end sub, three keep off that control output end is sub, control output end that reverses gear is connected.
The number of teeth of a described gear high gear, the number of teeth of two gear high gears, the three gear numbers of teeth of high gear, the numbers of teeth of the idle pulley that reverses gear are 0.3 ~ 0.7 times of the input gear number of teeth respectively, and therefore input gear and each gear high gear and the idle pulley that reverses gear are that speedup subtracts and turns round transmission; This speedup subtracts turns round 0.3 ~ 0.7 times that moment of torsion that the kind of drive makes magnetic clutch to bear is transmission input shaft input torque, reduces the size of magnetic clutch, decreases the power consumption of magnetic clutch.
Electric vehicle three of the present invention keeps off the periphery that high gear, magnetic clutch, main shaft and driving gear that line traffic control automatic transmission respectively keeps off are distributed in transmission countershaft, spatially adopt and be circular layout, compact structure, shortens the axial length of speed changer, has saved the space of gearbox.
Electric vehicle three of the present invention keeps off line traffic control automatic transmission and adopts line traffic control mode, completely by the Engage and disengage of ECU (Electrical Control Unit) by polygon control survey magnetic clutch, realizes the line traffic control gearshift of automatic transmission.
Compared with prior art, its advantage is in the present invention:
(1) electric vehicle three of the present invention keeps off line traffic control automatic transmission and eliminates the main clutch of conventional transmissions, synchronizer and selector fork mechanism, line traffic control (CBW-Control By Wire) mode is adopted to realize gearshift, completely by the Engage and disengage of ECU (Electrical Control Unit) by polygon control survey magnetic clutch, realize the line traffic control gearshift of automatic transmission, simplify the structure, reduce cost, decrease rate of fault simultaneously;
(2) electric vehicle three of the present invention keeps off between each driving gear of line traffic control automatic transmission and often engaging, and without the need to cutting off power in shift process, decreasing shift shock, improve acceleration performance and the driving comfortability of automobile.
Accompanying drawing explanation
Fig. 1 is that embodiment of the present invention electric vehicle three keeps off a gear of line traffic control automatic transmission and the structural representation (the A-A cross section of Fig. 2) of two gears.
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 distribution map.
Fig. 3 is three gears that embodiment of the present invention electric vehicle three keeps off line traffic control automatic transmission and the structural representation (the B-B cross section of Fig. 2) reversed gear.
In figure:, 1. motor, 2. case of transmission, 23. transmission input shafts, 24. transmission countershafts, 25. transmission output shafts, 3., input gear, 31. reverse gear idle pulley, 41. 1 gear magnetic clutchs, 411. one gear magnetic clutch slip rings, 412. one gear magnetic clutch brushes, 42. 2 gear magnetic clutchs, 421. two gear magnetic clutch slip rings, 422. two gear magnetic clutch brushes, 43. 3 gear magnetic clutchs, 431. three gear magnetic clutch slip rings, 432. three gear magnetic clutch brushes, 44. reverse gear magnetic clutch, 441. reverse gear magnetic clutch slip ring, 442. reverse gear magnetic clutch brush, 4Z1. mono-keeps off main shaft, 4Z2. bis-keeps off main shaft, 4Z3. tri-keeps off main shaft, 4Z4. reverses gear main shaft, 51. 1 gear high gears, 52. 2 gear high gears, 53. 3 gear high gears, 54. reverse gear high gear, 61. 1 gear driving gears, 62. 2 gear driving gears, 63. 3 gear driving gears, 64. reverse gear driving gear, 71. 1 gear driven gears, 72. 2 gear driven gears, 73. 3 gear driven gears, 74. reverse gear driven gear, 91. sun gears, 92. planetary pinions, 93., gear ring, 94. planet carriers, 100. ECU (Electrical Control Unit), 100a. mono-keeps off control output end, 100b. bis-keeps off control output end, 100c. tri-keeps off control output end, 100d. reverses gear control output end.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments; Based on the embodiment in the present invention, those of ordinary skill in the art belong to the scope of protection of the invention not making the every other embodiment obtained under creative work prerequisite.
As shown in Figure 1, electric vehicle three of the present invention keeps off line traffic control automatic transmission and comprises motor 1, input gear 3, transmission input shaft 23, transmission countershaft 24, transmission output shaft 25, housing 2, ECU (Electrical Control Unit) 100; One end of input gear 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; Three gear driven gears 73, two that transmission countershaft 24 has been fixedly connected sequentially keep off driven gear 72, gear driven gear 71, reverse gear driven gear 74, and one end away from input gear 3 of countershaft 24 is also fixedly connected with sun gear 91 in the transmission.
Input gear 3 keeps off high gear 51, two successively and keeps off that high gear 52, three keeps off high gear 53, the idle pulley 31 that reverses gear often engages with one along its gear outer circumferential, as shown in Figure 2, the idle pulley 31 that reverses gear often engages with the high gear 54 that reverses gear.
In the present embodiment, one gear high gear 51, two keeps off high gear 52, three gear high gear 53 and adopts the identical number of teeth and physical dimension, decrease the kind of processing accessories, make a gear high gear 51, two keep off high gear 52, three gear high gear 53 identical with the speed increasing ratio of input gear 3.
One gear high gear 51, two keep off high gear 52, three keep off high gear 53, the high gear 54 that reverses gear keep off magnetic clutch 41 respectively Partner, two with one keep off magnetic clutch 42 Partner, three keeps off the Partner of magnetic clutch 43, the Partner of the magnetic clutch 44 that reverses gear is connected; The drive end of one gear magnetic clutch 41, the drive end of two gear magnetic clutchs 42, the three gear drive ends of magnetic clutch 43, the drive end of the magnetic clutch 44 that reverses gear keep off driving gear 61, two respectively by a gear main shaft 4Z1, two gear main shaft 4Z2, three gear main shaft 4Z3, the main shaft 4Z4 and that reverses gear and keep off that driving gear 62, three keeps off driving gear 63, the driving gear 64 that reverses gear is connected; One gear driving gear 61, two keeps off driving gear 62, three and keeps off driving gear 63, the driving gear 64 that reverses gear and keep off driven gear 71, two respectively with one and keep off that driven gear 72, three keeps off driven gear 73, the driven gear 74 that reverses gear often engages.
When the number of teeth of input gear 3 and the number of teeth of a gear high gear 51 are once determine, a gear driving gear 61 and a gear ratio keeping off driven gear 71 determine the velocity ratio of a gear; Two gear driving gears 62 and two gear ratios keeping off driven gear 72 determine the velocity ratio of two gears; Three gear driving gears 63 and three keep off the velocity ratio that driven gear 73 gear ratio determines three gears.
Housing 2 is installed with a gear magnetic clutch brush 412, two keeps off that magnetic clutch brush 422, three keeps off magnetic clutch brush 432, the magnetic clutch brush 442, that reverses gear gear magnetic clutch brush 412, two keeps off that magnetic clutch brush 422, three keeps off magnetic clutch brush 432, the magnetic clutch brush 442 that reverses gear keeps off magnetic clutch slip ring 411, two respectively and keep off that magnetic clutch slip ring 421, three keeps off magnetic clutch slip ring 431, the magnetic clutch slip ring 441 that reverses gear keeps sliding contact with one; The tenminal block of one gear magnetic clutch brush 412, the tenminal block of two gear magnetic clutch brushes 422, the tenminal block of three gear magnetic clutch brushes 432, the tenminal block of the magnetic clutch brush 442 that reverses gear keep off the sub-100a in control output end, two respectively by wire and one of ECU (Electrical Control Unit) 100 and keep off that the sub-100b in control output end, three keeps off the sub-100c in control output end, the sub-100d in control output end of reversing gear is connected.
ECU (Electrical Control Unit) 100 is kept off magnetic clutch brush 412, two by control one and is kept off magnetic clutch brush 422, three and keep off magnetic clutch brush 432, the energising of the magnetic clutch brush 442 that reverses gear or power-off, control a gear magnetic clutch 41, two keep off magnetic clutch 42, three keep off magnetic clutch 43, the magnetic clutch 44 that reverses gear joint be separated; ECU (Electrical Control Unit) 100 is kept off magnetic clutch brush 412, two by control one and is kept off magnetic clutch brush 422, three gear magnetic clutch brush 432, the reverse gear power-on voltage of magnetic clutch brush 442 or the size of electric current, controls a gear magnetic clutch 41, two and keeps off joint and the speed be separated that magnetic clutch 42, three keeps off magnetic clutch 43, the magnetic clutch 44 that reverses gear.
Sun gear 91 often engages with planetary pinion 92, planetary pinion 92 also often engages with gear ring 93, planetary pinion 92 is rolled by its center bearing bore and is arranged on planet carrier 94, planet carrier 94 is fixed on case of transmission 2, gear ring 93 is fixed on one end of transmission output shaft 25 by spline, and the other end of transmission output shaft 25 is as transmission power output terminal; In the present embodiment, the number of teeth of gear ring 93
z 93be 50 teeth, the number of teeth of sun gear 91
z 91be 18 teeth, the planetary number of teeth
z 92be 16 teeth.
One gear main shaft 4Z1, two gear main shaft 4Z2, three gear main shaft 4Z3, the main shaft 4Z4 that reverses gear are distributed in the periphery of transmission countershaft 24, and the axis of a gear main shaft 4Z1, two gear main shaft 4Z2, three gear main shaft 4Z3, reverse gear main shaft 4Z4 and transmission countershaft 24 is parallel to each other.
The rotation direction of motor 1 is from transmission output shaft 25 end, and normal transmission direction is counterclockwise.
In the present embodiment, the tooth number Z of a gear high gear 51
51, two gear high gears 52 tooth number Z
52, three gear high gears 53 tooth number Z
53be 20 teeth, the tooth number Z of the idle pulley 31 that reverses gear
31with the tooth number Z of the high gear 54 that reverses gear
54be 17 teeth, the tooth number Z of input gear 3
3be 43 teeth, i.e. the tooth number Z of a gear high gear 51
51, two gear high gears 52 tooth number Z
52, three gear high gears 53 tooth number Z
53be the tooth number Z of input gear 3
30.47 times, the tooth number Z of the idle pulley 31 that reverses gear
31with the tooth number Z of the high gear 54 that reverses gear
54be the tooth number Z of input gear 3
30.40 times, therefore input gear 3 and each gear high gear are that speedup subtracts and turns round transmission, and a gear magnetic clutch 41, two keeps off 0.47 times that magnetic clutch 42, three moment of torsion kept off needed for magnetic clutch 43 is transmission input shaft 23 input torque, the moment of torsion reversed gear needed for magnetic clutch 44 is 0.40 times of transmission input shaft 23 input torque; Keep off magnetic clutch 42, three keep off magnetic clutch 43, the moment of torsion of the magnetic clutch 44 that reverses gear, volume and power consumption because this reducing a gear magnetic clutch 41, two.
The individual forward gear that the electric vehicle three further illustrating the embodiment of the present invention below in conjunction with Fig. 1, Fig. 3 keeps off line traffic control automatic transmission and the power transmission line reversed gear.
One gear transmission: a gear magnetic clutch 41 is energized and engages, all the other magnetic clutch power-off are separated, the moment of torsion of motor 1 passes to input gear 3 by transmission input shaft 23, this moment of torsion is passed to a gear high gear 51 by input gear 3 further, again by the gear magnetic clutch 41 that engages by the engagement of a gear driving gear 61 and a gear driven gear 71 by transmission of power to sun gear 91, central spline finally by gear ring 93 exports transmission output shaft 25 to, realizes a gear transmission.Get the number of teeth of a gear driving gear 61
z 61be 21 teeth, the number of teeth of a gear driven gear 71
z 71be 45 teeth, the number of teeth of gear ring 93
z 93be 50 teeth, the number of teeth of sun gear 91
z 91be 18 teeth, then a gear velocity ratio
i 1for:
i 1=(
z 51/
z 3) * (
z 71/
z 61) * (
z 93/
z 91).
Two gear transmissions: two gear magnetic clutchs 42 are energized and engage, all the other magnetic clutch power-off are separated, the moment of torsion of motor 1 passes to input gear 3 by transmission input shaft 23, this moment of torsion is passed to two gear high gears 52 by input gear 3 further, again by the two gear magnetic clutchs 42 that engage by the engagement of two gear driving gears 62 and two gear driven gears 72 by transmission of power to sun gear 91, central spline finally by gear ring 93 exports transmission output shaft 25 to, realizes two gear transmissions.Get the number of teeth of two gear driving gears 62
z 62be 27 teeth, the number of teeth of two gear driven gears 72
z 72be three nineteen teeth, the number of teeth of gear ring 93
z 93be 50 teeth, the number of teeth of sun gear 91
z 91be 18 teeth, then two gear velocity ratios
i 2for:
i 2=(
z 52/
z 3) * (
z 72/
z 62) * (
z 93/
z 91).
Three gear transmissions: three gear magnetic clutchs 43 are energized and engage, all the other magnetic clutch power-off are separated, the moment of torsion of motor 1 passes to input gear 3 by transmission input shaft 23, this moment of torsion is passed to three gear high gears 53 by input gear 3 further, again by the three gear magnetic clutchs 43 that engage by the engagement of three gear driving gears 63 and three gear driven gears 73 by transmission of power to sun gear 91, central spline finally by gear ring 93 exports transmission output shaft 25 to, realizes three gear transmissions.Get the number of teeth of three gear driving gears 63
z 63be 32 teeth, the number of teeth of three gear driven gears 73
z 73be 34 teeth, the number of teeth of gear ring 93
z 93be 50 teeth, the number of teeth of sun gear 91
z 91be 18 teeth, then three gear velocity ratios
i 3for:
i 3=(
z 53/
z 3) * (
z 73/
z 63) * (
z 93/
z 91).
Reverse gear: the magnetic clutch 44 that reverses gear energising engages, all the other magnetic clutch power-off are separated, the moment of torsion of motor 1 passes to input gear 3 by transmission input shaft 23, this moment of torsion is passed to reverse gear idle pulley 31 and the high gear 54 that reverses gear by input gear 3 further, again by the engagement of magnetic clutch 44 by reverse gear driving gear 64 and the driven gear 74 that reverses gear of reversing gear that engage by transmission of power to sun gear 91, central spline finally by gear ring 93 exports transmission output shaft 25 to, realizes reverse gear.Get the number of teeth of the driving gear 64 that reverses gear
z 64be 14 teeth, the number of teeth of the driven gear 74 that reverses gear
z 74be 52 teeth, the number of teeth of gear ring 93
z 93be 50 teeth, the number of teeth of sun gear 91
z 91be 18 teeth, then back gear ratios
i 4for:
i 4=(
z 54/
z 3) * (
z 74/
z 64) * (
z 93/
z 91).
Neutral: a gear magnetic clutch 41, two keeps off magnetic clutch 42, three gear magnetic clutch 43, the magnetic clutch 44 that reverses gear all is in power-off separated state, realizes neutral.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned mode of execution, in the ken that art those of ordinary skill possesses, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (3)
1. electric vehicle three keeps off a line traffic control automatic transmission, comprises input gear (3), transmission input shaft (23), transmission countershaft (24), housing (2), ECU (Electrical Control Unit) (100); One end of described input gear (3) is connected with one end of transmission input shaft (23); Described transmission countershaft (24) has been fixedly connected sequentially three gear driven gears (73), two gears driven gear (72), gear driven gear (71), the driven gear that reverses gear (74), and one end away from input gear (3) of countershaft (24) is also fixedly connected with sun gear (91) in the transmission; It is characterized in that:
Described input gear (3) keeps off high gear (51), two successively and keeps off that high gear (52), three keeps off high gear (53), the idle pulley that reverses gear (31) often engages with one along its gear outer circumferential; The described idle pulley that reverses gear (31) is often engaged with the high gear that reverses gear (54);
The Partner, three that described gear high gear (51), two gears high gear (52), three gears high gear (53), the high gear that reverses gear (54) keep off magnetic clutch (41) respectively Partner, two with one keeps off magnetic clutch (42) keeps off the Partner of magnetic clutch (43), the Partner of the magnetic clutch that reverses gear (44) is connected, the drive end of described gear magnetic clutch (41), the drive end of two gears magnetic clutch (42), the drive end of three gears magnetic clutch (43), reverse gear magnetic clutch (44) drive end respectively by one gear main shaft (4Z1), two gears main shaft (4Z2), three gears main shaft (4Z3), the main shaft (4Z4) and one that reverses gear keeps off driving gear (61), two gears driving gear (62), three gears driving gear (63), the driving gear (64) that reverses gear connects, described gear driving gear (61), two gears driving gear (62), three gears driving gear (63), the driving gear that reverses gear (64) keep off driven gear (71), two respectively and keep off that driven gear (72), three keeps off driven gear (73), the driven gear that reverses gear (74) often engages with one,
Described housing (2) is installed with a gear magnetic clutch brush (412), two gears magnetic clutch brush (422), three gears magnetic clutch brush (432), reverse gear magnetic clutch brush (442), described gear magnetic clutch brush (412), two gears magnetic clutch brush (422), three gears magnetic clutch brush (432), the magnetic clutch brush (442) that reverses gear keeps off magnetic clutch slip ring (411) with one respectively, two gears magnetic clutch slip ring (421), three gears magnetic clutch slip ring (431), the magnetic clutch slip ring (441) that reverses gear keeps sliding contact, the tenminal block of described gear magnetic clutch brush (412), the tenminal block of two gears magnetic clutch brush (422), the tenminal block of three gears magnetic clutch brush (432), the tenminal block of magnetic clutch brush (442) of reversing gear keeps off control output end (100a) respectively by one of wire and ECU (Electrical Control Unit) (100), two gears control output end (100b), three gears control output end (100c), control output end (100d) that reverses gear is connected.
2. electric vehicle three as claimed in claim 1 keeps off line traffic control automatic transmission, it is characterized in that: described gear main shaft (4Z1), two gears main shaft (4Z2), three gears main shaft (4Z3), the main shaft that reverses gear (4Z4) are distributed in the periphery of transmission countershaft (24), and the axis of the axis of the axis of gear main shaft (4Z1), two gears main shaft (4Z2), the axis of three gears main shaft (4Z3), the axis of the main shaft that reverses gear (4Z4) and transmission countershaft (24) is parallel to each other.
3. electric vehicle three keeps off line traffic control automatic transmission as claimed in claim 1, it is characterized in that: the number of teeth of described gear high gear (51), the number of teeth of two gears high gear (52), the number of teeth of three gears high gear (53), the number of teeth of the idle pulley that reverses gear (31) are respectively 0.3 ~ 0.7 times of the number of teeth of input gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469720.2A CN104389999B (en) | 2014-09-15 | 2014-09-15 | Electric automobile three keeps off line traffic control automatic transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469720.2A CN104389999B (en) | 2014-09-15 | 2014-09-15 | Electric automobile three keeps off line traffic control automatic transmission |
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| CN104389999A true CN104389999A (en) | 2015-03-04 |
| CN104389999B CN104389999B (en) | 2016-10-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594106A (en) * | 2017-01-09 | 2017-04-26 | 山东理工大学 | Electromagnetic clutch with wire-driven friction and meshing transmission joint device |
| CN106763543A (en) * | 2017-01-09 | 2017-05-31 | 山东理工大学 | The gear automatic speed variator of electric automobile line traffic control three |
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| CN103807413A (en) * | 2014-03-11 | 2014-05-21 | 赵克刚 | Mechanical transmission |
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| CN102705455A (en) * | 2012-05-18 | 2012-10-03 | 山耐斯气动液压(磐安)有限公司 | Electromagnetic clutch speed changer |
| CN202937741U (en) * | 2012-11-26 | 2013-05-15 | 无锡京华重工装备制造有限公司 | Speed change box structure |
| CN103807413A (en) * | 2014-03-11 | 2014-05-21 | 赵克刚 | Mechanical transmission |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106594106A (en) * | 2017-01-09 | 2017-04-26 | 山东理工大学 | Electromagnetic clutch with wire-driven friction and meshing transmission joint device |
| CN106763543A (en) * | 2017-01-09 | 2017-05-31 | 山东理工大学 | The gear automatic speed variator of electric automobile line traffic control three |
| 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 |
| CN106763543B (en) * | 2017-01-09 | 2019-04-02 | 山东理工大学 | Three gear automatic speed variator of electric car line traffic control |
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| CN104389999B (en) | 2016-10-19 |
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