CN104295677B - Automatic two-stage drive-by-wire multiple-gear transmission - Google Patents

Automatic two-stage drive-by-wire multiple-gear transmission Download PDF

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Publication number
CN104295677B
CN104295677B CN201410468564.8A CN201410468564A CN104295677B CN 104295677 B CN104295677 B CN 104295677B CN 201410468564 A CN201410468564 A CN 201410468564A CN 104295677 B CN104295677 B CN 104295677B
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China
Prior art keywords
gear
electromagnetic clutch
main shaft
brush
grades
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CN201410468564.8A
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CN104295677A (en
Inventor
曲金玉
王吉华
任传波
田香玉
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Shandong University of Technology
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Shandong University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/10Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/17Toothed wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2700/00Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses an automatic two-stage drive-by-wire multiple-gear transmission. A primary inner gear ring is constantly meshed with a first high-speed gear and a second high-speed gear along the peripheral inner sides of the gears. A secondary fly wheel inner gear ring is constantly meshed with a third high-speed gear, a fourth high-speed gear, a fifth high-speed gear and a sixth high-speed gear along the peripheral inner sides of the gears. A secondary fly wheel central gear is constantly meshed with a seventh high-speed gear. The high-speed gears are respectively connected with the driven ends of electromagnetic clutches, and the driving ends of the electromagnetic clutches are respectively connected with driving gears. The driving gears are respectively meshed with driven gears. Separation and connection of the electromagnetic clutches are respectively controlled by an electrical control unit, and drive control of forward gears and reverse gears is achieved. The automatic two-stage drive-by-wire multiple-gear transmission has multiple gears, is compact in structure and free of mechanical or hydraulic gear-shifting parts and adopts drive-by-wire power gear shifting.

Description

Twin-stage line traffic control multi-speed automatic transmission
Technical field
The present invention relates to a kind of automatic transmission, more precisely a kind of twin-stage line traffic control multi-speed automatic transmission.
Background technology
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.
At is mainly made up of fluid torque-converter and planetary gear and hydraulic control unit, is wide variety of both at home and abroad at present Automatic transmission, can adapt to the change of running resistance automatically, and shift process does not interrupt power, more flat in starting and acceleration Surely, but there is complex structure simultaneously, the shortcomings of transmission efficiency is low, manufacturing process is complicated.
Cvt is mainly made up of driven wheel, transmission belt and hydraulic system, is realized stepless by friction mode transmission power Speed change, has the advantages that small volume, structure be simple, infinitely variable speeds, but it relies on the frictional drive of transmission belt, exists and cannot transmit High-power, the shortcomings of requirement on machining accuracy is high.
Amt is outfit Electronic Control operating mechanism on the basis of manual transmission and dry clutch, by ECU Control shift control mechanism, clutch, realize self shifter, there is low cost, reliable operation, but amt is non-powered Gearshift, shift process passes through to control clutch separation to produce power interruption, and shift quality is poor.
Dct develops on the basis of amt technology, and built-in two clutches automatically controlling, by Electronic Control and liquid Pressure promotes, and can control the running of two clutches simultaneously, the shortcoming overcoming power interruption during amt shifts gears, but the execution of dct Oil supply mechanism that mechanism includes being made up of hydraulic pump, hydraulic valve and accumulator, by hydraulic pressure or motor-driven gear shifting actuating mechanism, By hydraulic pressure or motor-driven clutch operating device.These hydraulic controls make variator complicated integral structure, cost High.
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, reduce manufacturing cost, electric wire move towards the motility of arrangement, expands simultaneously The free space of Automobile Design.
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 that structure is simple, reliability is high, the novel two stage line traffic control multi-speed automatic transmission of low cost again;It utilizes multiple only The electromagnetic clutch of vertical arrangement controls the gearshift of variator.
Technical scheme is as follows:
A kind of twin-stage line traffic control multi-speed automatic transmission, including transmission input shaft, flywheel, one-level transmission countershaft, two Level flywheel, transmission output shaft, housing, ECU;One end of described flywheel is connected with one end of transmission input shaft;Described It is fixedly connected sequentially on one-level transmission countershaft and has the first driven gear, the second driven gear, by described one-level variator One end away from flywheel of countershaft is fixedly attached to one end of two grades of flywheels;Being fixedly connected sequentially on described transmission output shaft has 7th driven gear, the 6th driven gear, the 5th driven gear, the 4th driven gear and the 3rd driven gear;
The other end of described flywheel is provided with one-level ring gear;Described one-level ring gear is high with first along its gear circumference inner side Fast gear and the second high gear often engage;
Described first high gear, the second high gear respectively with the Partner of the first electromagnetic clutch, the second electromagnetism from The Partner of clutch connects, and the drive end of described first electromagnetic clutch, the drive end of the second electromagnetic clutch are respectively with first Driving gear, the second driving gear connect, described first driving gear, the second driving gear respectively with the first driven gear, the Two driven gears often engage;
The other end of described two grades of flywheels is provided with two grades of flywheel ring gears and two grades of flywheel central gear;Described two grades fly Wheel ring gear is located at the outside of two grades of flywheel central gear;
Described two grades of flywheel ring gears along gear circumference inside successively with the 3rd high gear, the 4th high gear, the 5th High gear and the 6th high gear often engage;Described two grades of flywheel central gear are often engaged with the 7th high gear;
Described 3rd high gear, the 4th high gear, the 5th high gear, the 6th high gear, the 7th high gear Respectively with the Partner of the 3rd electromagnetic clutch, the Partner of the 4th electromagnetic clutch, the Partner of the 5th electromagnetic clutch, The Partner of six electromagnetic clutchs, the Partner of the 7th electromagnetic clutch connect;The drive end of described 3rd electromagnetic clutch, The drive end of four electromagnetic clutchs, the drive end of the 5th electromagnetic clutch, the drive end of the 6th electromagnetic clutch, the 7th electromagnetism from The drive end of clutch passes through the 3rd main shaft, four main, the 5th main shaft, the 6th main shaft, the 7th main shaft and the 3rd driving tooth respectively Wheel, the 4th driving gear, the 5th driving gear, the 6th driving gear, the 7th driving gear connect;Described 3rd driving gear, 4th driving gear, the 5th driving gear, the 6th driving gear, the 7th driving gear respectively with the 3rd driven gear, the 4th from Moving gear, the 5th driven gear, the 6th driven gear, the 7th driven gear often engage;
Be installed with described housing the first electromagnetic clutch brush, the second electromagnetic clutch brush, the 3rd electromagnetism from Clutch brush, the 4th electromagnetic clutch brush, the 5th electromagnetic clutch brush, the 6th electromagnetic clutch brush, the 7th electromagnetism from Clutch brush, described first electromagnetic clutch brush, the second electromagnetic clutch brush, the 3rd electromagnetic clutch brush, the 4th electricity Magnet clutch brush, the 5th electromagnetic clutch brush, the 6th electromagnetic clutch brush, the 7th electromagnetic clutch brush are respectively with One electromagnetic clutch slip ring, the second electromagnetic clutch slip ring, the 3rd electromagnetic clutch slip ring, the 4th electromagnetic clutch slip ring, Five electromagnetic clutch slip rings, the 6th electromagnetic clutch slip ring, the 7th electromagnetic clutch slip ring keep sliding contact;Described first electricity Magnet clutch brush, the second electromagnetic clutch brush, the 3rd electromagnetic clutch brush, the 4th electromagnetic clutch brush, the 5th electricity Magnet clutch brush, the 6th electromagnetic clutch brush, the 7th electromagnetic clutch brush each binding post respectively pass through wire with First control output end of ECU, the second control output end, the 3rd control output end, the 4th control output end Son, the 5th control output end, the 6th control output end, the 7th control output end are connected;
Described first main shaft, the second main shaft are distributed in the periphery of one-level transmission countershaft, and the axis of the first main shaft, The axis of two main shafts is parallel to each other with the axis of one-level transmission countershaft;Described 3rd main shaft, four main, the 5th main shaft, 6th main shaft, the 7th main shaft are distributed in the periphery of transmission output shaft, and the axis of the 3rd main shaft, the axis of four main, The axis of five main shafts, the axis, the axis of the 7th main shaft and transmission output shaft of the 6th main shaft axis parallel to each other;
The number of teeth of described first high gear, the number of teeth of the second high gear be respectively the number of teeth of one-level ring gear 0.3 ~ 0.7 times, therefore one-level ring gear and the first high gear and the second high gear subtracts torsion transmission for speedup, and this speedup subtracts torsion and passes Flowing mode makes 0.3~0.7 times that the moment of torsion that electromagnetic clutch is subjected to is transmission input shaft output torque, makes electromagnetic clutch Device size reduces, and reduces the power consumption of electromagnetic clutch;The number of teeth of described 3rd high gear, the 4th high gear The number of teeth, the number of teeth of the 5th high gear, the number of teeth of the 6th high gear are the 0.3 ~ 0.7 of the number of teeth of two grades of flywheel ring gears respectively Times, therefore two grades flywheel ring gears with the 3rd high gear, the 4th high gear, the 5th high gear and the 6th high gear are Speedup subtracts torsion transmission;The number of teeth of described 7th high gear is that the gear ratio of two grades of flywheel central gear is 0.3 ~ 0.7 times, therefore Two grades of flywheel central gear and the 7th high gear subtract torsion transmission for speedup.
The twin-stage line traffic control multi-speed automatic transmission of the present invention adopts line traffic control mode, eliminates traditional mechanically and hydraulically transmission With gearshift control, completely by ECU by the joint of polygon control survey electromagnetic clutch with separate, realize automatic transmission Line traffic control is shifted gears.
Compared with prior art, its advantage is the present invention:
(1) the twin-stage line traffic control multi-speed automatic transmission of the present invention eliminate traditional mechanical automatic transmission main clutch, Lock unit and selector fork mechanism, realize shifting gears using line traffic control (cbw-control by wire) mode, need not tradition automatically become The complicated hydraulic pressure oil supply mechanism of fast device, gear shift mechanism and clutch control mechanism, pass through polygon control survey by ECU completely The joint of electromagnetic clutch with separate, realize automatic transmission line traffic control gearshift, simplify structure, reduce cost, simultaneously Decrease fault rate;
(2) often engage between each travelling gear of twin-stage line traffic control multi-speed automatic transmission of the present invention, need not in shift process Cut-out power, decreases shift shock, improves acceleration and the driver comfort of automobile;
(3) first main shaft of twin-stage line traffic control multi-speed automatic transmission of the present invention, the second main shaft are distributed in one-level variator The periphery of jackshaft, the 3rd main shaft, four main, the 5th main shaft, the 6th main shaft, the 7th main shaft are distributed in transmission output shaft Periphery, spatially using being circular layout, compact conformation, save the space of change speed gear box.
Brief description
Fig. 1 be keeping off a gear of automatic speed changer for machine embodiment of the present invention twin-stage line traffic control more, two gears and first reverse gear, second The structural representation reversing gear.
Fig. 2 be the embodiment of the present invention Fig. 1 in i-i cross section structure schematic diagram.
Fig. 3 be the embodiment of the present invention Fig. 1 in ii-ii cross section structure schematic diagram.
Fig. 4 is a gear and the two gear structural representations keeping off automatic speed changer for machine embodiment of the present invention twin-stage line traffic control more.
Fig. 5 is three gears of gear automatic speed changer for machine and the structural representations of four gears more than embodiment of the present invention twin-stage line traffic control.
Fig. 6 is five gears of gear automatic speed changer for machine and the structural representations of six gears more than embodiment of the present invention twin-stage line traffic control.
Fig. 7 is seven gears of gear automatic speed changer for machine and the structural representations of eight gears more than embodiment of the present invention twin-stage line traffic control.
Fig. 8 is to keep off the first of automatic speed changer for machine embodiment of the present invention twin-stage line traffic control to reverse gear and the second structure reversed gear more Schematic diagram.
In figure: 1. transmission input shaft 2. housing 24. one-level transmission countershaft 25. transmission output shaft 3. flywheel 31. one-level ring gear 41. first electromagnetic clutch 411. first electromagnetic clutch slip ring 412. first electricity Magnet clutch brush 42. second electromagnetic clutch, 421. second electromagnetic clutch slip ring 422. second electromagnetic clutch electricity Brush 43. the 3rd electromagnetic clutch 431. the 3rd electromagnetic clutch slip ring 432. the 3rd electromagnetic clutch brush 44. Four electromagnetic clutchs 441. the 4th electromagnetic clutch slip ring 442. the 4th electromagnetic clutch brush 45. the 5th electromagnetic clutch Device 451. the 5th electromagnetic clutch slip ring 452. the 5th electromagnetic clutch brush 46. the 6th electromagnetic clutch 461. Six electromagnetic clutch slip rings 462. the 6th electromagnetic clutch brush 47. the 7th electromagnetic clutch 471. the 7th electromagnetic clutch Device slip ring 472. the 7th electromagnetic clutch brush 4z1. the first main shaft 4z2. the second main shaft 4z3. the 3rd main shaft 4z4. four main 4z5. the 5th main shaft 4z6. the 6th main shaft 4z7. the 7th main shaft 51. first high gear 52. Second high gear 53. the 3rd high gear 54. the 4th high gear 55. the 5th high gear 56. the 6th is at a high speed Gear 57. the 7th high gear 61. first driving gear 62. second driving gear 63. the 3rd driving gear 64. 4th driving gear 65. the 5th driving gear 66. the 6th driving gear 67. the 7th driving gear 71. first is driven Gear 72. second driven gear 73. the 3rd driven gear 74. the 4th driven gear 75. the 5th driven gear 76. In 80. 2 grades of flywheels of 6th driven gear 77. the 7th driven gear, 82. 2 grades of flywheels of 81. 2 grades of flywheel ring gears The centre sub- 100c. the 3rd in gear 100. ECU 100b. the first control output end sub- 100a. second control output end The sub- 100f. the 6th in the sub- 100d. in control output end the 4th control output end sub- 100e. the 5th control output end controls output Terminal 100g. the 7th control output end.
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 Figures 1 to 8, the twin-stage line traffic control multi-speed automatic transmission of the present invention include transmission input shaft 1, flywheel 3, One-level transmission countershaft 24, two grades of flywheels 80, transmission output shaft 25, housing 2, ECUs 100;One end of flywheel 3 with One end of transmission input shaft 1 connects;It is fixedly connected sequentially on one-level transmission countershaft 24 and have the first driven gear 71, second Driven gear 72, one-level transmission countershaft 24 is fixedly attached to one end of two grades of flywheels 80 away from one end of flywheel 3;Become Being fixedly connected sequentially on fast device output shaft 25 has the 7th driven gear 77, the 6th driven gear 76, the 5th driven gear the 75, the 4th Driven gear 74 and the 3rd driven gear 73.
The other end of flywheel 3 is provided with one-level ring gear 31;One-level ring gear 31 is along its gear circumference inner side with first at a high speed Gear 51 and the second high gear 52 often engage.
First high gear 51, the second high gear 52 Partner, the second electromagnetism with the first electromagnetic clutch 41 respectively The Partner of clutch 42 connects;The drive end of the first electromagnetic clutch 41, the second electromagnetic clutch 42 drive end respectively with First driving gear 61, the second driving gear 62 connect, and the first driving gear 61, the second driving gear 62 are driven with first respectively Gear 71, the second driven gear 72 often engage.
The other end of two grades of flywheels 80 is provided with two grades of flywheel ring gears 81 and two grades of flywheel central gear 82;Two grades of flywheels Ring gear 81 is located at the outside of two grades of flywheel central gear 82.
Two grades of flywheel ring gears 81 along inside gear circumference successively with the 3rd high gear 53, the 4th high gear 54, the Five high gears 55 and the 6th high gear 56 often engage;Two grades of flywheel central gear 82 are often engaged with the 7th high gear 57.
3rd high gear 53, the 4th high gear 54, the 5th high gear 55, the 6th high gear the 56, the 7th are at a high speed Gear 57 respectively with the Partner of the 3rd electromagnetic clutch 43, the Partner of the 4th electromagnetic clutch 44, the 5th electromagnetic clutch 45 Partner, the Partner of the 6th electromagnetic clutch 46, the Partner of the 7th electromagnetic clutch 47 connect;3rd electromagnetic clutch The drive end of device 43, the drive end of the 4th electromagnetic clutch 44, the drive end of the 5th electromagnetic clutch 45, the 6th electromagnetic clutch 46 drive end, the drive end of the 7th electromagnetic clutch 47 pass through the 3rd main shaft 4z3, four main 4z4, the 5th main shaft respectively 4z5, the 6th main shaft 4z6, the 7th main shaft 4z7 and the 3rd driving gear 63, the 4th driving gear 64, the 5th driving gear 65, Six driving gears 66, the 7th driving gear 67 connect;3rd driving gear 63, the 4th driving gear 64, the 5th driving gear 65, 6th driving gear 66, the 7th driving gear 67 respectively with the 3rd driven gear 73, the 4th driven gear 74, the 5th driven gear 75th, the 6th driven gear 76, the 7th driven gear 77 often engage.
First electromagnetic clutch brush 412, the second electromagnetic clutch brush 422, the 3rd electromagnetism are installed with housing 2 Clutch brush 432, the 4th electromagnetic clutch brush 442, the 5th electromagnetic clutch brush 452, the 6th electromagnetic clutch brush 462nd, the 7th electromagnetic clutch brush 472, the first electromagnetic clutch brush 412, the second electromagnetic clutch brush the 422, the 3rd electricity Magnet clutch brush 432, the 4th electromagnetic clutch brush 442, the 5th electromagnetic clutch brush 452, the 6th electromagnetic clutch electricity Brush 462, the 7th electromagnetic clutch brush 472 respectively with the first electromagnetic clutch slip ring 411, the second electromagnetic clutch slip ring 421, 3rd electromagnetic clutch slip ring 431, the 4th electromagnetic clutch slip ring 441, the 5th electromagnetic clutch slip ring 451, the 6th electromagnetism from Clutch slip ring 461, the 7th electromagnetic clutch slip ring 471 keep sliding contact;First electromagnetic clutch brush 412, the second electromagnetism Clutch brush 422, the 3rd electromagnetic clutch brush 432, the 4th electromagnetic clutch brush 442, the 5th electromagnetic clutch brush 452nd, the 6th electromagnetic clutch brush 462, the 7th electromagnetic clutch brush 472 each binding post respectively pass through wire with automatically controlled The sub- 100b in first control output end of unit 100, the sub- 100a in the second control output end, the sub- 100c in the 3rd control output end, the 4th The sub- 100d in control output end, the sub- 100e in the 5th control output end, the sub- 100f in the 6th control output end, the 7th control output end 100g is connected.
First main shaft 4z1, the second main shaft 4z2 are distributed in the periphery of one-level transmission countershaft 24, and the first main shaft 4z1 The axis of axis, the axis of the second main shaft 4z2 and one-level transmission countershaft 24 is parallel to each other;3rd main shaft 4z3, four main 4z4, the 5th main shaft 4z5, the 6th main shaft 4z6, the 7th main shaft 4z7 are distributed in the periphery of transmission output shaft 25, and the 3rd main shaft The axis of 4z3, the axis of four main 4z4, the axis of the 5th main shaft 4z5, the axis of the 6th main shaft 4z6, the 7th main shaft 4z7 Axis is parallel to each other with the axis of transmission output shaft 25.
The number of teeth of the first high gear 51, the number of teeth of the second high gear 52 are first order ring gear 31 number of teeth respectively 0.4 times, therefore one-level ring gear 31 and the first high gear 51 and the second high gear 52 subtracts torsion transmission for speedup;3rd at a high speed The number of teeth of gear 53, the number of teeth of the number of teeth, the number of teeth of the 5th high gear 55 and the 6th high gear 56 of the 4th high gear 54 It is 0.33 times of the number of teeth of two grades of flywheel ring gears 81 respectively, therefore two grades flywheel ring gears 81 and the 3rd high gear 53, Four high gears 54, the 5th high gear 55 and the 6th high gear 56 subtract torsion transmission for speedup;The tooth of the 7th high gear 57 Number is 0.5 times of the number of teeth of two grades of flywheel central gear 82, and therefore two grades flywheel central gear 82 with the 7th high gear 57 are Speedup subtracts torsion transmission.
The each forward gear further illustrating the embodiment of the present invention with reference to Fig. 4 to Fig. 8 and the power transmission line reversing gear.
One gear transmission: as shown in figure 4, ECU 100 controls the first electromagnetic clutch 41 and the 3rd electromagnetic clutch 43 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to first by one-level ring gear 31 High gear 51, then pass through the engagement by the first driving gear 61 and the first driven gear 71 for first electromagnetic clutch 41 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 3rd electromagnetic clutch 43 engaging by the 3rd driving gear 63 He The engagement of the 3rd driven gear 73 outputs power, and realizes a gear transmission.
Two gear transmissions: as shown in figure 4, ECU 100 controls the second electromagnetic clutch 42 and the 3rd electromagnetic clutch 43 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to second by one-level ring gear 31 High gear 52, then pass through the engagement by the second driving gear 62 and the second driven gear 72 for second electromagnetic clutch 42 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 3rd electromagnetic clutch 43 engaging by the 3rd driving gear 63 He The engagement of the 3rd driven gear 73 outputs power, and realizes two gear transmissions.
Three gear transmissions: as shown in figure 5, ECU 100 controls the first electromagnetic clutch 41 and the 4th electromagnetic clutch 44 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to first by one-level ring gear 31 High gear 51, then pass through the engagement by the first driving gear 61 and the first driven gear 71 for first electromagnetic clutch 41 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 4th electromagnetic clutch 44 engaging by the 4th driving gear 64 He The engagement of the 4th driven gear 74 outputs power, and realizes three gear transmissions.
Four gear transmissions: as shown in figure 5, ECU 100 controls the second electromagnetic clutch 42 and the 4th electromagnetic clutch 44 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to second by one-level ring gear 31 High gear 52, then pass through the engagement by the second driving gear 62 and the second driven gear 72 for second electromagnetic clutch 42 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 4th electromagnetic clutch 44 engaging by the 4th driving gear 64 He The engagement of the 4th driven gear 74 outputs power, and realizes four gear transmissions.
Five gear transmissions: as shown in fig. 6, ECU 100 controls the first electromagnetic clutch 41 and the 5th electromagnetic clutch 45 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to first by one-level ring gear 31 High gear 51, then pass through the engagement by the first driving gear 61 and the first driven gear 71 for first electromagnetic clutch 41 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 5th electromagnetic clutch 45 engaging by the 5th driving gear 65 He The engagement of the 5th driven gear 75 outputs power, and realizes five gear transmissions.
Six gear transmissions: as shown in fig. 6, ECU 100 controls the second electromagnetic clutch 42 and the 5th electromagnetic clutch 45 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to second by one-level ring gear 31 High gear 52, then pass through the engagement by the second driving gear 62 and the second driven gear 72 for second electromagnetic clutch 42 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 5th electromagnetic clutch 45 engaging by the 5th driving gear 65 He The engagement of the 5th driven gear 75 outputs power, and realizes six gear transmissions.
Seven gear transmissions: as shown in fig. 7, ECU 100 controls the first electromagnetic clutch 41 and the 6th electromagnetic clutch 46 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to first by one-level ring gear 31 High gear 51, then pass through the engagement by the first driving gear 61 and the first driven gear 71 for first electromagnetic clutch 41 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 6th electromagnetic clutch 46 engaging by the 6th driving gear 66 He The engagement of the 6th driven gear 76 outputs power, and realizes seven gear transmissions.
Eight gear transmissions: as shown in fig. 7, ECU 100 controls the second electromagnetic clutch 42 and the 6th electromagnetic clutch 46 Energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to second by one-level ring gear 31 High gear 52, then pass through the engagement by the second driving gear 62 and the second driven gear 72 for second electromagnetic clutch 42 of joint Power is transferred to two grades of flywheel ring gears 81, then passes through the 6th electromagnetic clutch 46 engaging by the 6th driving gear 66 He The engagement of the 6th driven gear 76 outputs power, and realizes eight gear transmissions.
First reverse gear: as shown in figure 8, ECU 100 controls the first electromagnetic clutch 41 and the 7th electromagnetic clutch Device 47 energising engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 is passed to by one-level ring gear 31 First high gear 51, then by the first electromagnetic clutch 41 of engaging by the first driving gear 61 and the first driven gear 71 Power is transferred to two grades of flywheel central gear 82 by engagement, then passes through the 7th electromagnetic clutch 47 engaging by the 7th driving tooth The engagement of wheel 67 and the 7th driven gear 77 outputs power, and realizes the first reverse gear.
Second reverse gear: as shown in figure 8, ECU 100 controls the second electromagnetic clutch 42 and the 7th electromagnetic clutch Device 47 engages, and remaining electromagnetic clutch power-off separates, and the moment of torsion of transmission input shaft 1 passes to second by one-level ring gear 31 High gear 52, then pass through the engagement by the second driving gear 62 and the second driven gear 72 for second electromagnetic clutch 42 of joint Power is transferred to two grades of flywheel central gear 82, then passes through the 7th electromagnetic clutch 47 engaging by the 7th driving gear 67 Engagement with the 7th driven gear 77 outputs power, and realizes the second reverse gear.
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. a kind of twin-stage line traffic control multi-speed automatic transmission, including transmission input shaft (1), flywheel (3), one-level transmission countershaft (24), two grades of flywheels (80), transmission output shaft (25), housings (2), ECUs (100);One end of described flywheel (3) with One end of transmission input shaft (1) connects;Being fixedly connected sequentially on described one-level transmission countershaft (24) has the first driven tooth Wheel (71), the second driven gear (72), one end away from flywheel (3) of described one-level transmission countershaft (24) is fixedly connected One end to two grades of flywheels (80);Be fixedly connected sequentially on described transmission output shaft (25) have the 7th driven gear (77), Six driven gears (76), the 5th driven gear (75), the 4th driven gear (74) and the 3rd driven gear (73);Its feature exists In:
The other end of described flywheel (3) is provided with one-level ring gear (31);Described one-level ring gear (31) is along inside its gear circumference Often engage with the first high gear (51) and the second high gear (52);
Described first high gear (51), the second high gear (52) respectively with the Partner of the first electromagnetic clutch (41), The Partner of two electromagnetic clutchs (42) connects, the drive end of described first electromagnetic clutch (41), the second electromagnetic clutch (42) drive end passes through the first main shaft (4z1), the second main shaft (4z2) and the first driving gear (61), the second driving tooth respectively Wheel (62) connect, described first driving gear (61), the second driving gear (62) respectively with the first driven gear (71), second from Moving gear (72) often engages;
The other end of described two grades of flywheels (80) is provided with two grades of flywheel ring gears (81) and two grades of flywheel central gear (82);Institute State the outside that two grades of flywheel ring gears (81) are located at two grades of flywheel central gear (82);
Described two grades of flywheel ring gears (81) along inside its gear circumference successively with the 3rd high gear (53), the 4th high gear (54), the 5th high gear (55) and the 6th high gear (56) often engage;Described two grades of flywheel central gear (82) and the 7th High gear (57) often engages;
Described 3rd high gear (53), the 4th high gear (54), the 5th high gear (55), the 6th high gear (56), 7th high gear (57) respectively with the Partner of the 3rd electromagnetic clutch (43), the Partner of the 4th electromagnetic clutch (44), The Partner of the 5th electromagnetic clutch (45), the Partner of the 6th electromagnetic clutch (46), the quilt of the 7th electromagnetic clutch (47) Moved end connects;The drive end of described 3rd electromagnetic clutch (43), the drive end of the 4th electromagnetic clutch (44), the 5th electromagnetism from The drive end of clutch (45), the drive end of the 6th electromagnetic clutch (46), the drive end of the 7th electromagnetic clutch (47) lead to respectively Cross the 3rd main shaft (4z3), four main (4z4), the 5th main shaft (4z5), the 6th main shaft (4z6), the 7th main shaft (4z7) and the 3rd Driving gear (63), the 4th driving gear (64), the 5th driving gear (65), the 6th driving gear (66), the 7th driving gear (67) connect;Described 3rd driving gear (63), the 4th driving gear (64), the 5th driving gear (65), the 6th driving gear (66), the 7th driving gear (67) respectively with the 3rd driven gear (73), the 4th driven gear (74), the 5th driven gear (75), the 6th driven gear (76), the 7th driven gear (77) often engage;
Be installed with described housing (2) the first electromagnetic clutch brush (412), the second electromagnetic clutch brush (422), Three electromagnetic clutch brushes (432), the 4th electromagnetic clutch brush (442), the 5th electromagnetic clutch brush (452), the 6th electricity Magnet clutch brush (462), the 7th electromagnetic clutch brush (472), described first electromagnetic clutch brush (412), the second electricity Magnet clutch brush (422), the 3rd electromagnetic clutch brush (432), the 4th electromagnetic clutch brush (442), the 5th electromagnetism from Clutch brush (452), the 6th electromagnetic clutch brush (462), the 7th electromagnetic clutch brush (472) respectively with the first electromagnetism from Clutch slip ring (411), the second electromagnetic clutch slip ring (421), the 3rd electromagnetic clutch slip ring (431), the 4th electromagnetic clutch Slip ring (441), the 5th electromagnetic clutch slip ring (451), the 6th electromagnetic clutch slip ring (461), the 7th electromagnetic clutch slip ring (471) keep sliding contact;Described first electromagnetic clutch brush (412), the second electromagnetic clutch brush (422), the 3rd electricity Magnet clutch brush (432), the 4th electromagnetic clutch brush (442), the 5th electromagnetic clutch brush (452), the 6th electromagnetism from Clutch brush (462), each binding post of the 7th electromagnetic clutch brush (472) pass through wire and ECU (100) respectively First control output end son (100b), second control output end son (100a), the 3rd control output end son (100c), the 4th control Lead-out terminal (100d) processed, the 5th control output end (100e), the 6th control output end (100f), the 7th control output end Sub (100g) is connected.
2. as claimed in claim 1 a kind of twin-stage line traffic control multi-speed automatic transmission it is characterised in that: described first main shaft (4z1), the second main shaft (4z2) is distributed in the periphery of one-level transmission countershaft (24), and the axis of the first main shaft (4z1), The axis of two main shafts (4z2) is parallel to each other with the axis of one-level transmission countershaft (24);Described 3rd main shaft (4z3), the 4th Main shaft (4z4), the 5th main shaft (4z5), the 6th main shaft (4z6), the 7th main shaft (4z7) are distributed in the outer of transmission output shaft (25) Week, and the axis of the 3rd main shaft (4z3), the axis of four main (4z4), the axis of the 5th main shaft (4z5), the 6th main shaft (4z6) axis of axis, the axis of the 7th main shaft (4z7) and transmission output shaft (25) is parallel to each other.
3. as claimed in claim 1 a kind of twin-stage line traffic control multi-speed automatic transmission it is characterised in that: described first high gear (51) the number of teeth, the number of teeth of the second high gear (52) are 0.3 ~ 0.7 times of the number of teeth of one-level ring gear (31) respectively;Described The number of teeth of the 3rd high gear (53), the number of teeth of the 4th high gear (54), the number of teeth of the 5th high gear (55), the 6th The number of teeth of high gear (56) is 0.3 ~ 0.7 times of the number of teeth of two grades of flywheel ring gears (81) respectively;Described 7th high gear (57) the number of teeth is 0.3 ~ 0.7 times of the number of teeth of two grades of flywheel central gear (82).
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CN102180103A (en) * 2011-03-30 2011-09-14 北京理工华创电动车技术有限公司 Driving system for electric vehicle
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