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CN106678289B - Electric car is brushless two gear automatic speed variator of line traffic control - Google Patents

Electric car is brushless two gear automatic speed variator of line traffic control Download PDF

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Publication number
CN106678289B
CN106678289B CN201710014000.0A CN201710014000A CN106678289B CN 106678289 B CN106678289 B CN 106678289B CN 201710014000 A CN201710014000 A CN 201710014000A CN 106678289 B CN106678289 B CN 106678289B
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China
Prior art keywords
speed
gear
grades
grade
centrifugal ball
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CN201710014000.0A
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Chinese (zh)
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CN106678289A (en
Inventor
曲金玉
邵金菊
任传波
张攀
郭政斌
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Shandong University of Technology
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Shandong University of Technology
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Priority to CN201710014000.0A priority Critical patent/CN106678289B/en
Publication of CN106678289A publication Critical patent/CN106678289A/en
Application granted granted Critical
Publication of CN106678289B publication Critical patent/CN106678289B/en
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Classifications

    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed 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
    • F16H3/087—Toothed 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 characterised by the disposition of the gears
    • F16H3/093—Toothed 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 characterised by the disposition of the gears with two or more countershafts
    • F16H3/097—Toothed 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 characterised by the disposition of the gears with two or more countershafts the input and output shafts being aligned on the same axis
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds

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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 kind of brushless two gear automatic speed variators of line traffic control of electric car.Input gear is mounted on input shaft, and input gear is often engaged with one grade of input gear；One grade of input gear is fixedly connected with one grade of band side tooth internal spline hub；By control one grade of line traffic control friction with engaged transmission engagement device and two grades of brushless line traffic control centrifugal globe arm engagement devices engagement with separate, realization brushless two gear automatic speed variator of line traffic control of electric car gearshift control.The present invention have the advantages that transmit torque is big, revolving speed is high, engaging process without impact, gear shift is smooth, operation energy consumption is low etc..

Description

Electric car is brushless two gear automatic speed variator of line traffic control
Technical field
The invention belongs to technical field of electric vehicle transmission, are related to a kind of electric car automatic speed transmission, more precisely It is a kind of brushless two gear automatic speed variator of line traffic control of electric car.
Background technique
Automatic transmission is widely used in the various vehicles such as automobile, electric car, engineering machinery.Existing automatic transmission Mainly there are hydraulic mechanical type automatic transmission (AT), metal band type stepless automatic transmission (CVT), automatic mechanical transmission (AMT), double-clutch automatic transmission (DCT) four major types.The gearshift procedure control of above-mentioned four classes automatic transmission is adopted Realize that hydraulic servo device is by hydraulic pump, multiple hydraulic valves, multiple hydraulic clutches, multiple liquid with electric-controlled hydraulic servomechanism installation The composition such as brake is pressed, structure is complicated, at high cost, and operational process energy consumption is high.
With automotive electronic technology, the extensive use of automatic control technology and automobile network communication technology, automobile line traffic control skill Art has become the development trend in automobile future.Automobile line traffic control (X-By-Wire) technology is held by electric wire, electronic controller and line traffic control Row device replaces mechanically and hydraulically system, and the control action of driver is become electric signal by sensor, is input to automatically controlled list Member generates operation needed for control signal driving line traffic control actuator carries out by electronic control unit.Therefore, novel line traffic control is developed to become automatically Fast device advantageously reduces the quantity of its components, reduces cost and reduces operation energy consumption, improves transmission efficiency.
On January 21st, 2015, Chinese patent is disclosed to be circular layout formula application No. is the multi gear of CN201410469568.8 Line traffic control automatic transmission patent and twin-stage line traffic control multidrive patent application No. is CN201410468564.8；2015 On March 4, Chinese patent disclose that application No. is the electric car third gear line traffic control automatic transmission of CN201410469720.2 is special Benefit and application No. is the patents such as the electric car multi gear line traffic control automatic transmission of CN201410471726.3；October 28 in 2015 Day, Chinese patent discloses the multi gear line traffic control automatic transmission patent application No. is CN201520311494.5.Above-mentioned announcement In each patent, each shelves transmission gear is often engaged, and without hydraulic engaging element, electromagnetic clutch is respectively set on each shelves drive path, Electronic control unit controls the engagement of each shelves electromagnetic clutch and shift-by-wire process is realized in separation.But in above-mentioned each patented technology, Realize that electromagnetic clutch volume used by shift-by-wire process is big, revolving speed is low, and power consumption required for electromagnetic clutch Greatly, therefore make that line traffic control automatic transmission volume is big, revolving speed is low and operation energy consumption is larger.
Summary of the invention
It is an object of the invention to overcome the shortcomings of existing various automatic transmission technologies, one kind is provided and is both able to achieve power Gear shift, and simple, brushless two gear automatic speed variator of line traffic control of the novel electric vehicle low with operation energy consumption at low cost with structure.
Technical scheme is as follows:
A kind of brushless two gear automatic speed variator of line traffic control of electric car, including input shaft, output shaft, input gear, one grade it is defeated Enter gear, one grade of driving gear, first speed driven gear；The input gear is fixedly mounted on input shaft；The input gear It is often engaged with one grade of input gear；One grade of input gear is fixedly mounted on one grade of input shaft；One grade of driving gear It is often engaged with first speed driven gear；One grade of driving gear is fixedly mounted on one grade of axis；The first speed driven gear is fixed It is mounted on output shaft.
It is characterized by: it further include one grade of brushless line traffic control friction and engaged transmission engagement device and two grades of brushless line traffic controls from Bulbus cordis arm engagement device.
One grade of brushless line traffic control friction and engaged transmission engagement device are arranged in one grade of input gear and one grade of driving tooth Between wheel；One grade of brushless line traffic control friction and engaged transmission engagement device include one grade of band side tooth internal spline hub, one grade of band side Tooth spline clutch collar, one grade of armature, one grade of spline housing, one grade of electromagnet, one grade of return spring.
Described one grade one end with side tooth internal spline hub is fixedly attached to an end face of one grade of input gear, one grade of band The inner side end of the other end of side tooth internal spline hub is equipped with one grade of side tooth with side tooth internal spline hub；One grade of band side tooth flower Bonded trap is sleeved on the external splines slot of one grade of spline housing by its inner spline groove, and one grade of band side tooth spline clutch collar exists It is equipped with one grade of band side tooth spline clutch collar side tooth close to the side end face of one grade of side tooth with side tooth internal spline hub.
One grade of spline housing is sleeved on the external splines slot of one grade of axis by its inner spline groove；One grade of spline housing exists It is fixedly connected with one grade of armature on outer end face far from one grade of input gear；One grade of electromagnet is pacified by bearing support It is fixedly mounted on case of transmission on one grade of axis and with non-magnet material, the magnetic pole end face face of one grade of electromagnet An end face of the one grade of armature far from input gear is equipped with one grade of return spring between one grade of electromagnet and one grade of spline housing.
Two grades of brushless line traffic control centrifugal globe arm engagement devices are arranged between input gear and first speed driven gear；It is described Two grades of brushless line traffic control centrifugal globe arm engagement devices include two grades of thrust platens, two grades of driven internal spline hubs, two grades of drive-by-wire disks, Two grades of electromagnet, the hollow wheel disc of two grades of centrifugal globe arms, two grades of centrifugal globe arm pins, two grades of centrifugal globe arms, two grades of centrifugal globes, two grades lead Magnetic force transmiting disk, two grades of centrifugation ball-and-sockets, two grades of driving shafts.
One end of two grades of driving shafts is fixedly connected on one end of input shaft, and the hollow wheel disc of two grades of centrifugal globe arms is logical It crosses bearing support to be mounted on the intermediate journal of two grades of driving shafts, the hollow wheel disc of two grades of centrifugal globe arms is at it close to input tooth The outer circumference surface for taking turns one end is equipped with the hollow wheel disc external splines slot of two grades of centrifugal globe arms, and two grades of drive-by-wire disks pass through in it Spline is sleeved on the hollow wheel disc external splines slot of two grades of centrifugal globe arms；The separate input of the hollow wheel disc of two grades of centrifugal globe arms The other end of gear is equipped with multiple two be uniformly distributed circumferentially grade centrifugal globe arm supports, each two grades of centrifugal globes arm support One two grades of centrifugal globe arm pin of upper fixed installation；One end of two grades of centrifugal globe arms by its smooth bearing bore be sleeved on two grades from On the intermediate journal of bulbus cordis arm pin, the other end of two grades of centrifugal globe arms can be freely rotated around two grades of centrifugal globe arm pins, described The other end of two grades of centrifugal globe arms is equipped with two grades of centrifugation ball-and-sockets, is equipped with one two grades in each two grades of centrifugations ball-and-socket Centrifugal globe, each two grades of centrifugal globes can be rolled freely in two grades of centrifugation ball-and-sockets.
One end face of two grades of thrust platens is two frequency modulated light sliding surfaces；Each two grades of centrifugal globes are resisted against two grades of thrusts On two frequency modulated light sliding surfaces of platen；External splines slot, two grades of thrust pressures are additionally provided on the outer circumference surface of two grades of thrust platens The external splines slot of disk slides axially with both inner spline grooves of two grades of driven internal spline hubs and engages；Two grades of driven internal spline hubs An end face of separate input gear be fixedly connected with first speed driven gear.
Two grades of magnetic conduction force transmiting disks are fixedly mounted on two grades of driving shafts by hub bearing bore in two grades of magnetic conduction power transmission disk center Axle journal on, two grades of magnetic conduction force transmiting disks are additionally provided with two grades of magnetic conduction force transmiting disk external disks, two grades of magnetic conduction force transmiting disk external disks with Two grades of electromagnet are equipped between input gear, two grades of electromagnet are fixedly mounted on case of transmission with non-magnet material, One end face of two grades of magnetic conduction force transmiting disk external disks of magnetic pole end face face of two grades of electromagnet, two grades of magnetic conductions force transmiting disk external disk An end face and the magnetic pole end faces of two grades of electromagnet remain certain air-gap.
One end face of the close input gear of two grades of drive-by-wire disks is additionally provided with two grades of friction-driven end faces, and described two Another end face of shelves friction-driven end face two grades of magnetic conduction force transmiting disk external disks of face.
Compared with prior art, the present invention its advantage is that:
(1) brushless two gear automatic speed variator of line traffic control of electric car of the invention eliminates the hydraulic pressure system of traditional automatic transmission System and shift mechanism, use with brushless line traffic control centrifugal globe arm engagement device, control two grades using line traffic control mode by electronic control unit The on-off of the electric current of the electromagnetic coil of brushless centrifugal globe arm engagement device realizes gear shift, and structure is simple, at low cost, and operational process Low energy consumption；
(2) one grade of the present invention brushless line traffic control friction and engaged transmission engagement device pass through band side tooth internal spline hub The torque inputted with side tooth internal spline hub is transferred to one grade of axis, low speed operation transmitting with side tooth spline clutch collar engaged transmission Torque is big, transmission efficiency is high；
(3) two grades of the present invention brushless line traffic control centrifugal globe arm engagement devices, using when high-speed cruising secondly shelves from The frictional engagement of huge centrifugal force pulls friction plate and steel disc that bulbus cordis arm generates, torque is big for transmitting, revolving speed is high, engaging process without Impact, gear shift are smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of brushless two gear automatic speed variator of line traffic control of electric car of the embodiment of the present invention.
In figure: 1. input shaft, 3. 1 grades of 2. output shaft, 4. 1 grades of input shaft axis, 5. input gear, 6. 1 grades of input teeth Take turns 7. 1 grades of driving gears, 8. first speed driven gear, 10. 1 grades of line traffic control frictions and engaged transmission engagement device mono- grade of band of 10a. Mono- grade of side tooth internal spline hub 10a1., mono- grade of the side tooth 10b. with side tooth internal spline hub band, mono- grade of external splines slot friction plate 10c. Mono- grade of band inner spline groove steel disc 10d., mono- grade of band side tooth spline clutch collar 10d1. band side tooth spline clutch collar side tooth 10e. mono- Shelves armature mono- grade of 10f., mono- grade of spline housing 10g., mono- grade of electromagnet 10i., mono- grade of return spring 10j. engagement spring 20. 2 Bis- grades of shelves line traffic control centrifugal globe arm engagement device 20a., bis- grades of band inner spline groove friction plate 20b. band external splines channel steel piece 20c. bis- Driven bis- grades of internal spline hub 20e. driven internal spline hub end lid 20f. of shelves bis- bis- grades of frequency modulated light sliding surface 20d. of thrust platen 20ca. Two grades of bis- grades of arresting disc 20g., bis- grades of drive-by-wire disk 20ga., bis- grades of friction-driven end face 20h., bis- grades of electromagnet 20i. are pre- Bis- grades of the hollow wheel disc external splines slot 20k. of bis- grades of centrifugal globe arms of pressing spring 20j., bis- grades of centrifugal globe arms of hollow wheel disc 20ja. from Bis- grades of bis- grades of centrifugal globe arm 20m., bis- grades of centrifugal globe 20p., bis- grades of 20q. of centrifugal globe arm return springs of bulbus cordis arm pin 20l. are led Bis- grades of hub 20qb., bis- grades of magnetic conduction force transmiting disk external disk 20r. centrifugation ball-and-socket in bis- grades of magnetic conduction power transmission disk center of magnetic force transmiting disk 20qa. Bis- grades of driving shafts of 20Z..
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention is described in detail, Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments；Based on the reality in the present invention Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to The scope of protection of the invention.
As shown in Figure 1, a kind of brushless two gear automatic speed variator of line traffic control of electric car of the invention, including input shaft 1, input 8, one grades of 5, one grades of gear, 6, one grades of input gear driving gear 7, first speed driven gear line traffic control frictions engage dress with engaged transmission Set 10, two grades of line traffic control centrifugal globe arm engagement devices 20；Input gear 5 is fixedly mounted on input shaft 1；Input gear 5 and one grade Input gear 6 often engages；One grade of input gear 6 is fixedly mounted on one grade of input shaft 3；One grade of driving gear 7 and one grade it is driven Gear 8 often engages；One grade of driving gear 7 is fixedly mounted on one grade of axis 4；First speed driven gear 8 is fixedly mounted on output shaft 2 On.
One grade of brushless line traffic control friction and engaged transmission engagement device 10 are arranged in one grade of input gear 6 and one grade of driving gear Between 7；One grade of brushless line traffic control friction and engaged transmission engagement device 10 include one grade outer with side tooth internal spline hub 10a, one grade of band Spline friction plate 10b, one grade of band inner spline groove steel disc 10c, one grade of band side tooth spline clutch collar 10d, one grade of armature 10e, one Shelves spline housing 10f, one grade of electromagnet 10g, one grade of return spring 10i, one grade of engagement spring 10j.
One grade of one end with side tooth internal spline hub 10a is fixedly attached to an end face of one grade of input gear 6, one grade of band side tooth The inner side end of the other end of internal spline hub 10a is equipped with one grade of side tooth 10a1 with side tooth internal spline hub；One grade of band external splines Slot friction plate 10b is sleeved on one grade of inner spline groove with side tooth internal spline hub 10a by its external splines slot；One grade of band internal spline Channel steel piece 10c is sleeved on the external splines slot of one grade of spline housing 10f by its inner spline groove；One grade of band side tooth spline clutch collar 10d is sleeved on the external splines slot of one grade of spline housing 10f by its inner spline groove, and one grade of band side tooth spline clutch collar 10d is at it One grade of band side tooth spline clutch collar side tooth 10d1 is equipped with close to the side end face of one grade of side tooth 10a1 with side tooth internal spline hub.
One grade of spline housing 10f is sleeved on the external splines slot of one grade of axis 4 by its inner spline groove；One grade of spline housing 10f exists It is fixedly connected with one grade of armature 10e on outer end face far from one grade of input gear 6；One grade of electromagnet 10g passes through bearing branch Support is mounted on one grade of axis 4 and is fixedly mounted on case of transmission with non-magnet material, makes the magnetic pole of one grade of electromagnet 10g An end face of the face one grade of armature 10e in face far from input gear 6 is equipped with one between one grade of electromagnet 10g and one grade of spline housing 10f Shelves return spring 10i.
In the state of one grade of electromagnet 10g no power, an end face of one grade of armature 10e far from one grade of input gear 6 with The magnetic pole end face of one grade of electromagnet 10g keeps certain air-gap under the elastic force effect of one grade of return spring 10i.
Two grades of brushless line traffic control centrifugal globe arm engagement devices 20 are arranged between input gear 5 and first speed driven gear 8；Two grades Brushless line traffic control centrifugal globe arm engagement device 20 include two grades band inner spline groove friction plate 20a, two grades band external splines channel steel piece 20b, Two grades of thrust platen 20c, two grades of driven internal spline hub 20d, two grades of driven internal spline hub end lid 20e, two grades of arresting disc 20f, two Shelves drive-by-wire disk 20g, two grades of electromagnet 20h, two grades of pre-compressed spring 20i, the hollow wheel disc 20j of two grades of centrifugal globe arms, two grades from Bulbus cordis arm pin 20k, two grades of centrifugal globe arm pin 20l, two grades of centrifugal globe 20m, two grades of centrifugation rocker-arm return spring 20p, two grades of magnetic conductions Force transmiting disk 20q, two grades of centrifugation ball-and-socket 20r, two grades of driving shaft 20Z.
As shown in Figure 1, two grades are set on two grades of driving shaft 20Z with inner spline groove friction plate 20a by its inner spline groove On external splines slot；One end of two grades of driving shaft 20Z is fixedly connected by spline with input shaft 1, and the other end passes through bearing and output The front axle journal of axis 2 connects；Two grades are sleeved in two grades of internal spline hub 20d with external splines channel steel piece 20b by external splines slot On spline；The hollow wheel disc 20j of two grades of centrifugal globe arms is mounted on the intermediate journal of two grades of driving shaft 20Z by bearing support, The hollow wheel disc 20j of two grades of centrifugal globe arms its on the outer circumference surface of 5 one end of input gear be equipped with two grades of centrifugal globe arms it is hollow Wheel disc external splines slot 20ja, two grades of drive-by-wire disk 20g are sleeved on outside two grades of hollow wheel discs of centrifugal globe arm by its inner spline groove On spline 20ja；Two grades of arresting disc 20f are fixed on case of transmission with non-magnet material；Two grades of hollow wheel discs of centrifugal globe arm The other end of the separate input gear 5 of 20j is equipped with multiple two be uniformly distributed circumferentially grade centrifugal globe arm supports, at each two grades Two grades of centrifugal globe arm pin 20k are fixedly mounted on centrifugal globe arm support；It smooth is held by its one end of two grades of centrifugal globe arm 20l Hole is sleeved on the intermediate journal of two grades of centrifugal globe arm pin 20k, and two grades of centrifugal globe arm 20l can be around two grades of centrifugal globe arm pin 20k certainly By rotating, the other end of two grades of centrifugal globe arm 20l is equipped with peace in two grades of centrifugation ball-and-sockets 20r, each two grades of centrifugation ball-and-sockets 20r It can freely be rolled in two grades of centrifugation ball-and-socket 20r equipped with two grades of centrifugal globes 20m, each two grades of centrifugal globe 20m.
An end face of two grades of thrust platen 20c is two frequency modulated light sliding surface 20ca；The other end of two grades of thrust platen 20c is thick Rough rubbing surface；Each two grades of centrifugal globe 20m are resisted against on the two frequency modulated light sliding surface 20ca of two grades of thrust platen 20c；Two grades of thrust pressures External splines slot, the external splines slot and two grades of driven internal spline hubs of two grades of thrust platen 20c are additionally provided on the outer circumference surface of disk 20c Both inner spline grooves of 20d slide axially engagement；Two grades of driven internal spline hub 20d pass through bolt close to one end of input gear 5 Two grades of driven internal spline hub end lid 20e are fixedly connected with, one end far from input gear 5 is fixedly connected with first speed driven gear 8.
Two grades of magnetic conduction force transmiting disk 20q are fixedly mounted on two grades of actives by hub 20qa bearing bore in two grades of magnetic conduction power transmission disk center On the axle journal of axis 20Z, two grades of magnetic conduction force transmiting disk 20q are additionally provided with two grades of magnetic conduction force transmiting disk external disk 20qb, outside two grades of magnetic conduction force transmiting disks It is equipped with two grades of electromagnet 20h, two grades of electromagnet 20h between disk 20qb and input gear 5 and is fixedly mounted on change with non-magnet material On fast device shell, an end face of two grades of magnetic conduction force transmiting disk external disk 20qb of magnetic pole end face face of two grades of electromagnet 20h, two grades of magnetic conductions An end face of force transmiting disk external disk 20qb and the magnetic pole end face of two grades of electromagnet 20h remain certain air-gap.
One end face of the close input gear 5 of two grades of drive-by-wire disk 20g is additionally provided with two grades of friction-driven end face 20ga, and two Another end face of shelves friction-driven end face two grades of magnetic conduction force transmiting disk external disk 20qb of 20ga face.
In the state of two grades of electromagnet 20h no powers, outside two grades of friction-driven end face 20ga and two grades of magnetic conduction force transmiting disks An end face of disk 20qb keeps certain air-gap under the elastic force effect of two grades of pre-compressed spring 20i；It is logical in two grades of electromagnet 20h In the state of electricity, two grades of friction-driven end face 20ga are together with an end joined of two grades of magnetic conduction force transmiting disk external disk 20qb.
The work of the working principle of brushless two gear automatic speed variator of line traffic control of electric car is further illustrated below with reference to embodiment Make principle:
When one grade of transmission, the electromagnetic coil of one grade of electromagnet 10g is powered, and one grade of brushless line traffic control friction is engaged with engaged transmission Device 10 works, meanwhile, the electromagnetic coil power-off of two grades of electromagnet 20h；One grade of electromagnetic attracting force of one grade of electromagnet 10g generation It is mobile to one grade of 7 direction of driving gear that armature 10e drives one grade of spline housing 10f that the elastic force of one grade of return spring 10i is overcome to act on, One grade of spline housing 10f drives one grade of band internal spline steel disc 10c to engage with one grade of band external splines slot friction plate 10b, and the two engagement produces Raw frictional force make one grade it is synchronous with the revolving speed of one grade of spline housing 10f with side tooth internal spline hub 10a, after the two revolving speed synchronizes, One grade engagement spring 10j further push one grade with side tooth spline clutch collar 10d close to one grade with side tooth internal spline hub 10a one End face engages one grade of side tooth 10a1 with side tooth internal spline hub with one grade of band side tooth spline clutch collar side tooth 10d1, makes one grade Band side tooth internal spline hub 10a and one grade of spline housing 10f synchronous rotary, one grade of spline housing 10f drive one grade of axis 4 by its internal spline Synchronous Transmission, to realize one grade of transmission；
After the electromagnetic coil power-off of two grades of electromagnet 20h, under the elastic force effect of two grades of pre-compressed spring 20i, make two grades Drive-by-wire disk 20g is engaged with two grades of arresting disc 20f, and two grades of arresting disc 20f are fixed on fixed on shell, therefore two grades of lines Control drive disk 20g engaged with two grades of arresting disc 20f the frictional force between the latter two make two grades of drive-by-wire disk 20g together with two grades from The revolving speed of the hollow wheel disc 20j of bulbus cordis arm is zero, under the twisting action of two grades of line traffic controls, two grades of centrifugal globe arm return spring 20p, is made Two grades of centrifugal globe arm 20l are inwardly collapsed together with two grades of centrifugal globe 20m, and such two grades of line traffic control rocker arms engagement device 20 can not transmit Power.
When two grades of transmissions, the electromagnetic coil of two grades of electromagnet 20h is powered, two grades of brushless line traffic control centrifugal globe arm engagement devices 20 Work, meanwhile, the electromagnetic coil power-off of one grade of electromagnet 10g；After the electromagnetic coil of two grades of electromagnet 20h is powered, two grades of electricity The electromagnetic attraction that magnet 20h is generated passes to two grades of drive-by-wire disk 20g through two grades of magnetic conduction force transmiting disk 20q, drives two grades of line traffic controls It is mobile to two grades of directions electromagnet 20h that Moving plate 20g overcomes the elastic force of two grades of pre-compressed spring 20i to act on, so that two grades of line traffic controls be made to drive An end joined of the two grades of friction-driven end face 20ga and two grades of magnetic conduction force transmiting disk 20q of Moving plate 20g are generated in the two engagement The hollow wheel disc 20j rotation of two grades of centrifugal globe arms is driven under the action of frictional force, the hollow wheel disc 20j of two grades of centrifugal globe arms drives each two Shelves centrifugal globe arm 20l rotation, meanwhile, under the influence of centrifugal force, each two grades of centrifugal globe arm 20l are around two grades of centrifugal globe arm pin 20k It is flared out, the one end for being equipped with two grades of centrifugation ball-and-socket 20r is made to drive two grades of centrifugal globe 20m along two grades of two grades of thrust platen 20c Shiny surface 20ca is circled outward, so that two grades of centrifugal globe arm 20l is made to generate centrifugal force together with two grades of centrifugal globe 20m, it should Centrifugal force pushes two grades of thrust platen 20c generations separate along the component of the central axis direction of the hollow wheel disc 20j of two grades of centrifugal globe arms The axial movement of the hollow wheel disc 20j of two grades of centrifugal globe arms, to make two grades of thrust platen 20c by each two grades of bands external splines channel steel piece 20b is mutually compressed with each two grades of bands inner spline groove friction plate 20a, by each two grades of band external splines channel steel piece 20b and each two grades of bands Frictional force between inner spline groove friction plate 20a realizes two grades of driven internal spline hub 20d together with the synchronous rotation of two grades of driving shaft 20Z Turn, make the synchronous rotary of two grades of driving shaft 20Z and output shaft 2, to realize two grades of transmissions；
After the electromagnetic coil power-off of one grade of electromagnet 10g, one grade of spline housing 10f is returned together with one grade of armature 10e at one grade The elastic force effect of position spring 10i is lower to drive both one grade of band internal spline steel disc 10c and one grade of band external splines slot friction plate 10b point From one grade of side tooth 10a1 with side tooth internal spline hub is disengaged from one grade of band side tooth spline clutch collar side tooth 10d1, makes one grade Line traffic control friction and engaged transmission engagement device 10 do not transmit power.
Two grades of electromagnet 20h are fixed on shell, and two grades of electromagnet 20h are remained with two grades of magnetic conduction force transmiting disk 20q Fixed air-gap, therefore above-mentioned two grades of transmission process can realize brushless line traffic control transmission.Simultaneously as two grades of electromagnet 20h Generated electromagnetic force only controls driving two through two grades of magnetic conduction force transmiting disk 20q, two grades of drive-by-wire disk 20g after electromagnetic coil is powered The hollow wheel disc 20j rotation of shelves centrifugal globe arm, two grades of electromagnet 20h power consumptions are small, therefore reduce two grades of brushless line traffic control centrifugations The operation energy consumption of ball arm engagement device 20.
One grade of drive path are as follows: one grade of brushless line traffic control friction is engaged with the engaged transmission energization of engagement device 10, motor Torque input gear 5 is passed to by input shaft 1, which is further passed to one grade of input gear 6 by input gear 5, One grade of axis 4 is passed to by one grade of brushless line traffic control friction of engagement and engaged transmission engagement device 10 again, then by one grade of driving tooth Power is transferred to output shaft 2 by the engagement of wheel 7 and first speed driven gear 8, realizes one grade of deceleration transmission.
Two grades of drive path are as follows: two grades of brushless line traffic control centrifugal globe arm engagement devices 20, which are powered, to be engaged, the torque of motor Two grades of driving shaft 20Z are passed to by input shaft 1, by two grades of brushless line traffic control centrifugal globe arm engagement devices 20 of engagement by power It is transferred to first speed driven gear 8, then by the outside output power of output shaft 2, realizes two grades of transmissions.
The drive path of reverse gear are as follows: motor reversion, one grade of brushless line traffic control friction and engaged transmission engagement device 10 are powered The torque of engagement, motor passes to input gear 5 by input shaft 1, which is further passed to one grade by input gear 5 Input gear 6, then two grades of axis 4 are passed to by one grade of brushless line traffic control friction of engagement and engaged transmission engagement device 10, then by Power is transferred to output shaft 2 by the engagement of one grade of driving gear 7 and first speed driven gear 8, realizes reverse gear deceleration transmission.
Neutral gear: one grade of brushless line traffic control friction engages dress with engaged transmission 10, two grades of brushless line traffic control centrifugal globe arms of engagement device It sets 20 and is in power-off off position, realize neutral gear.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Mode, technical field those of ordinary skill within the scope of knowledge, present inventive concept can also not departed from Under the premise of various changes can be made.

Claims (1)

1.一种电动汽车无刷线控二档自动变速器，包括输入轴(1)、输出轴(2)、输入齿轮(5)、一档输入齿轮(6)、一档主动齿轮(7)、一档从动齿轮(8)；所述输入齿轮(5)固定安装在输入轴(1)上；所述输入齿轮(5)与一档输入齿轮(6)常啮合；所述一档输入齿轮(6)固定安装在一档输入轴(3)上；所述一档主动齿轮(7)与一档从动齿轮(8)常啮合；所述一档主动齿轮(7)固定安装在一档轴(4)上；所述一档从动齿轮(8)固定安装在输出轴(2)上；其特征在于：1. A brushless wire-controlled two-speed automatic transmission for an electric vehicle, comprising an input shaft (1), an output shaft (2), an input gear (5), a first-speed input gear (6), a first-speed driving gear (7), The first-speed driven gear (8); the input gear (5) is fixedly mounted on the input shaft (1); the input gear (5) is constantly meshed with the first-speed input gear (6); the first-speed input gear (6) Fixedly installed on the first-speed input shaft (3); the first-speed driving gear (7) is constantly meshed with the first-speed driven gear (8); the first-speed driving gear (7) is fixedly installed in the first-speed on the shaft (4); the first-speed driven gear (8) is fixedly mounted on the output shaft (2); it is characterized in that: 它还包括一档无刷线控摩擦与啮合传动接合装置(10)和二档无刷线控离心球臂接合装置(20)；It also includes a first-speed brushless wire-controlled friction and meshing transmission engagement device (10) and a second-speed brushless wire-controlled centrifugal ball arm engagement device (20); 所述一档无刷线控摩擦与啮合传动接合装置(10)设置在一档输入齿轮(6)和一档主动齿轮(7)之间；所述一档无刷线控摩擦与啮合传动接合装置(10)包括一档带侧齿内花键毂(10a)、一档带侧齿花键接合套(10d)、一档衔铁(10e)、一档花键套(10f)、一档电磁铁(10g)、一档回位弹簧(10i)；The first-speed brushless wire-controlled friction and meshing transmission engagement device (10) is arranged between the first-speed input gear (6) and the first-speed driving gear (7); the first-speed brushless wire-controlled friction and meshing transmission are engaged The device (10) comprises a first-speed inner spline hub (10a) with side teeth, a first-speed spline engaging sleeve (10d) with side teeth, a first-speed armature (10e), a first-speed spline sleeve (10f), a first-speed electromagnetic Iron (10g), first gear return spring (10i); 所述一档带侧齿内花键毂(10a)的一端固定连接到一档输入齿轮(6)的一端面，所述一档带侧齿内花键毂(10a)的另一端的内侧端面上设有一档带侧齿内花键毂的侧齿(10a1)；所述一档带侧齿花键接合套(10d)通过其内花键槽套装在一档花键套(10f)的外花键槽上，所述一档带侧齿花键接合套(10d)在其靠近一档带侧齿内花键毂的侧齿(10a1)的侧端面上设有一档带侧齿花键接合套侧齿(10d1)；One end of the first-speed inner spline hub (10a) with side teeth is fixedly connected to one end face of the first-speed input gear (6), and the inner end face of the other end of the first-speed inner spline hub (10a) with side teeth The side teeth (10a1) of the first gear with side teeth and the inner spline hub are arranged thereon; the first gear with side teeth spline engaging sleeve (10d) is sleeved with the outer spline of the first gear spline sleeve (10f) through its inner spline groove On the keyway, the first-speed spline engaging sleeve (10d) with side teeth is provided with a first-speed spline engaging sleeve side with side teeth on its side end surface close to the side teeth (10a1) of the first-speed inner spline hub with side teeth tooth(10d1); 所述一档花键套(10f)通过其内花键槽套装在一档轴(4)的外花键槽上；所述一档花键套(10f)在其远离一档输入齿轮(6)的一外端面上固定连接有一档衔铁(10e)；所述一档电磁铁(10g)通过轴承支撑安装在一档轴(4)上并用非导磁材料固定安装在变速器壳体上，所述一档电磁铁(10g)的磁极端面正对一档衔铁(10e)远离输入齿轮(6)的一端面，所述一档电磁铁(10g)与一档花键套(10f)之间设有一档回位弹簧(10i)；The first-speed spline sleeve (10f) is sleeved on the outer spline groove of the first-speed shaft (4) through its inner spline groove; A gear armature (10e) is fixedly connected to an outer end surface; the first gear electromagnet (10g) is supported on the first gear shaft (4) through a bearing and is fixedly mounted on the transmission housing with a non-magnetically conductive material. The magnetic end face of the gear electromagnet (10g) faces the end face of the first gear armature (10e) away from the input gear (6). Gear return spring (10i); 所述二档无刷线控离心球臂接合装置(20)设置在输入齿轮(5)和一档从动齿轮(8)之间；所述二档无刷线控离心球臂接合装置(20)包括二档推力压盘(20c)、二档从动内花键毂(20d)、二档线控驱动盘(20g)、二档电磁铁(20h)、二档离心球臂空心轮盘(20j)、二档离心球臂销(20k)、二档离心球臂(20l)、二档离心球(20m)、二档导磁传力盘(20q)、二档离心球窝(20r)、二档主动轴(20Z)；The second-speed brushless wire-controlled centrifugal ball arm engagement device (20) is provided between the input gear (5) and the first-speed driven gear (8); the second-speed brushless wire-controlled centrifugal ball arm engagement device (20) ) includes the second-speed thrust pressure plate (20c), the second-speed driven inner spline hub (20d), the second-speed wire-controlled drive plate (20g), the second-speed electromagnet (20h), the second-speed centrifugal ball arm hollow wheel ( 20j), 2nd gear centrifugal ball arm pin (20k), 2nd gear centrifugal ball arm (20l), 2nd gear centrifugal ball (20m), 2nd gear magnetic conductive force transmission plate (20q), 2nd gear centrifugal ball socket (20r), Second gear drive shaft (20Z); 所述二档主动轴(20Z)的一端固定连接在输入轴(1)的一端，所述二档离心球臂空心轮盘(20j)通过轴承支撑安装在二档主动轴(20Z)的中间轴颈上，所述二档离心球臂空心轮盘(20j)在其靠近输入齿轮(5)一端的外圆周面上设有二档离心球臂空心轮盘外花键槽(20ja)，所述二档线控驱动盘(20g)通过其内花键槽套装在二档离心球臂空心轮盘外花键槽(20ja)上；所述二档离心球臂空心轮盘(20j)的远离输入齿轮(5)的另一端设有多个沿周向均匀分布的二档离心球臂支座，所述每个二档离心球臂支座上固定安装一个二档离心球臂销(20k)；所述二档离心球臂(20l)的一端通过其光滑承孔套装在二档离心球臂销(20k)的中间轴颈上，所述二档离心球臂(20l)可绕二档离心球臂销(20k)自由转动，所述二档离心球臂(20l)的另一端设有一个二档离心球窝(20r)，所述二档离心球窝(20r)内安装有一个二档离心球(20m)，所述二档离心球(20m)在二档离心球窝(20r)内可自由滚动；One end of the second-speed driving shaft (20Z) is fixedly connected to one end of the input shaft (1), and the second-speed centrifugal ball arm hollow wheel disc (20j) is supported and mounted on the intermediate shaft of the second-speed driving shaft (20Z) through a bearing. On the neck, the second-speed centrifugal ball arm hollow wheel disc (20j) is provided with a second-speed centrifugal ball arm hollow wheel disc external spline groove (20ja) on the outer circumferential surface of the second-speed centrifugal ball arm hollow wheel disc (20j), and the two The gear-by-wire drive disc (20g) is sleeved on the outer spline groove (20ja) of the second-speed centrifugal ball arm hollow wheel through its inner spline groove; the second-speed centrifugal ball arm hollow wheel (20j) is far away from the input gear (5). ) is provided with a plurality of second-speed centrifugal ball arm supports evenly distributed along the circumferential direction, and a second-speed centrifugal ball arm pin (20k) is fixedly installed on each second-speed centrifugal ball arm support; One end of the gear centrifugal ball arm (20l) is sleeved on the middle journal of the second gear centrifugal ball arm pin (20k) through its smooth bearing hole, and the second gear centrifugal ball arm (20l) can be wound around the second gear centrifugal ball arm pin (20l). 20k) rotate freely, the other end of the second-speed centrifugal ball arm (20l) is provided with a second-speed centrifugal ball socket (20r), and a second-speed centrifugal ball (20m) is installed in the second-speed centrifugal ball socket (20r). ), the second gear centrifugal ball (20m) can roll freely in the second gear centrifugal ball socket (20r); 所述二档推力压盘(20c)的一端面为二档光滑面（20ca）；所述二档离心球(20m)抵靠在二档推力压盘(20c)的二档光滑面(20ca)上；所述二档推力压盘(20c)的外圆周面上还设有外花键槽，所述二档推力压盘(20c)的外花键槽与二档从动内花键毂(20d)的内花键槽二者轴向滑动接合；所述二档从动内花键毂(20d)的远离输入齿轮(5)的一端面与一档从动齿轮(8)固定连接；One end surface of the second-speed thrust pressure plate (20c) is a second-speed smooth surface (20ca); the second-speed centrifugal ball (20m) abuts against the second-speed smooth surface (20ca) of the second-speed thrust pressure plate (20c). upper; the outer circumferential surface of the second-speed thrust pressure plate (20c) is also provided with an outer spline groove, and the outer spline groove of the second-speed thrust pressure plate (20c) and the second-speed driven inner spline hub (20d) The two inner spline grooves of the second gear are axially slidably engaged; the end face of the second-speed driven inner spline hub (20d) away from the input gear (5) is fixedly connected with the first-speed driven gear (8); 所述二档导磁传力盘(20q)通过二档导磁传力盘中心内毂(20qa)承孔固定安装在二档主动轴(20Z)的轴颈上，所述二档导磁传力盘(20q)还设有二档导磁传力盘外盘(20qb)，所述二档导磁传力盘外盘(20qb)与输入齿轮(5)之间设有二档电磁铁(20h)，所述二档电磁铁(20h)用非导磁材料固定安装在变速器壳体上，所述二档电磁铁(20h)的磁极端面正对二档导磁传力盘外盘(20qb)的一端面，所述二档导磁传力盘外盘(20qb)的一端面与二档电磁铁(20h)的磁极端面始终保持一定的空气隙；The second-speed magnetic-conductive power transmission plate (20q) is fixedly installed on the journal of the second-speed driving shaft (20Z) through the bearing hole of the center inner hub (20qa) of the second-speed magnetic-conductive power transmission plate. The force plate (20q) is also provided with a second-speed magnetic-conductive force-transferring outer plate (20qb), and a second-speed electromagnet (20h) is arranged between the second-speed magnetic-conducting force-transferring outer plate (20qb) and the input gear (5). , the second-gear electromagnet (20h) is fixedly installed on the transmission housing with non-magnetic conductive material, and the magnetic end face of the second-gear electromagnet (20h) is facing the outer plate of the second-gear magnetic conductive force transfer plate (20qb). One end face, one end face of the outer disk (20qb) of the second-gear magnetic conductive force-transferring disk and the magnetic end face of the second-gear electromagnet (20h) always maintain a certain air gap; 所述二档线控驱动盘(20g)的靠近输入齿轮(5)的一端面还设有二档摩擦驱动端面(20ga)，所述二档摩擦驱动端面(20ga)正对二档导磁传力盘外盘(20qb)的另一个端面。The end face of the second-speed wire-controlled drive disk (20g) close to the input gear (5) is also provided with a second-speed friction driving end face (20ga), and the second-speed friction driving end face (20ga) is facing the second-speed magnetic conductive transmission. The other end face of the outer plate (20qb) of the force plate.
CN201710014000.0A 2017-01-09 2017-01-09 Electric car is brushless two gear automatic speed variator of line traffic control Expired - Fee Related CN106678289B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907433A (en) * 1955-09-17 1959-10-06 Ferodo Sa Centrifugal clutches
FR2531166A1 (en) * 1982-07-29 1984-02-03 Duport Guy Electro-centrifugal clutch.
CN2239527Y (en) * 1995-06-20 1996-11-06 钱晓阳 Electrical control clutch
CN204921864U (en) * 2015-07-23 2015-12-30 山东理工大学 Electric automobile automatic gearbox is kept off to electronic stylus pin coupling device formula two

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907433A (en) * 1955-09-17 1959-10-06 Ferodo Sa Centrifugal clutches
FR2531166A1 (en) * 1982-07-29 1984-02-03 Duport Guy Electro-centrifugal clutch.
CN2239527Y (en) * 1995-06-20 1996-11-06 钱晓阳 Electrical control clutch
CN204921864U (en) * 2015-07-23 2015-12-30 山东理工大学 Electric automobile automatic gearbox is kept off to electronic stylus pin coupling device formula two

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