CN106763543A - The gear automatic speed variator of electric automobile line traffic control three - Google Patents

The gear automatic speed variator of electric automobile line traffic control three Download PDF

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Publication number
CN106763543A
CN106763543A CN201710014411.XA CN201710014411A CN106763543A CN 106763543 A CN106763543 A CN 106763543A CN 201710014411 A CN201710014411 A CN 201710014411A CN 106763543 A CN106763543 A CN 106763543A
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China
Prior art keywords
gear
grades
grade
centrifugal globe
input
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CN201710014411.XA
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Chinese (zh)
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CN106763543B (en
Inventor
曲金玉
王吉华
吕娜娜
齐臣
任传波
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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
    • F16H3/087Toothed 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
    • F16H3/093Toothed 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
    • F16H3/097Toothed 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
    • 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
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02Selector apparatus
    • 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
    • F16H61/00Control 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
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32Electric motors actuators or related electrical control means therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The invention discloses a kind of gear automatic speed variator of electric automobile line traffic control three.Input gear is arranged on input shaft, and input gear is often engaged with one grade of input gear, two grades of input gears;One grade of input gear is fixedly connected with one grade of band side driven internal spline hub of tooth;By controlling one grade of line traffic control friction and engaged transmission engagement device, the engagement of two grades and third gear line traffic control centrifugal globe arm engagement device and separating, the gearshift control of the gear automatic speed variator of electric automobile line traffic control three is realized.The present invention is with transmitting torque is big, rotating speed is high, engaging process is without impact, gear shift smooth-going, the low advantage of operation energy consumption.

Description

The gear automatic speed variator of electric automobile line traffic control three
Technical field
The invention belongs to technical field of electric vehicle transmission, it is related to a kind of electric car automatic speed transmission, more precisely It is a kind of gear automatic speed variator of electric automobile line traffic control three.
Background technology
Automatic transmission is widely used in the various vehicles 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.The gearshift procedure control of above-mentioned four classes automatic transmission is adopted Realized with automatically controlled hydraulic servo device, hydraulic servo device is by hydraulic pump, multiple hydraulic valves, multiple hydraulic clutches, multiple liquid The compositions, complex structure, high cost, running high energy consumption such as pressure brake.
With the extensive use of automotive electronic technology, automatic control technology and automobile network communication technology, automobile line traffic control skill Art has turned into following development trend of automobile.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 into electric signal by sensor, is input to automatically controlled list Unit, required operation is carried out by ECU generation control signal driving line traffic control actuator.Therefore, new line traffic control is developed to become automatically Fast device, advantageously reduces quantity, reduces cost and the reduction operation energy consumption of its parts, improves transmission efficiency.
On January 21st, 2015, the multi gear that Chinese patent discloses Application No. CN201410469568.8 is circular layout formula The twin-stage line traffic control multidrive patent of line traffic control automatic transmission patent and Application No. CN201410468564.8;2015 In on March 4, in, the electric automobile third gear line traffic control automatic transmission that Chinese patent discloses Application No. CN201410469720.2 is special The patents such as the electric automobile multi gear line traffic control automatic transmission of profit and Application No. CN201410471726.3;October 28 in 2015 Day, Chinese patent discloses the multi gear line traffic control automatic transmission patent of Application No. CN201520311494.5.Above-mentioned announcement In each patent, each shelves travelling gear is often engaged, and without hydraulic pressure engaging element, electromagnetic clutch is respectively provided with each shelves drive path, ECU controls the engagement and separation of each shelves electromagnetic clutch to realize shift-by-wire process.But, in above-mentioned each patented technology, Realize that the electromagnetic clutch volume that shift-by-wire process is used is big, rotating speed is low, and the power consumption required for electromagnetic clutch Greatly, therefore make that line traffic control automatic transmission volume is big, rotating speed is low and operation energy consumption is larger.
The content of the invention
It is an object of the invention to overcome the shortcomings of existing various automatic transmission technologies, there is provided one kind can realize power Gear shift, and with the low gear automatic speed variator of novel electric vehicle line traffic control three of simple structure, low cost, operation energy consumption.
Technical scheme is as follows:
A kind of gear automatic speed variator of electric automobile line traffic control three, including input shaft, output shaft, input gear, one grade of input gear, two Shelves input gear, one grade of driving gear, first speed driven gear, two grades of driving gears, two grades of driven gears;The input gear is consolidated Dingan County is on input shaft;The input gear is normal with one grade of input gear and two grades of input gears respectively along gear outer circumferential Engagement;One grade of input gear is fixedly mounted on one grade of input shaft;Two grades of input gears be fixedly mounted on two grades it is defeated Enter on axle;One grade of driving gear is often engaged with first speed driven gear;Two grades of driving gears are normal with two grades of driven gears Engagement;One grade of driving gear is fixedly mounted on one grade of axle;Two grades of driving gears are fixedly mounted on two grades of axles;Institute First speed driven gear, two grades of driven gears is stated to be fixedly mounted on output shaft.
It is characterized in that:It also connects including one grade of line traffic control friction with engaged transmission engagement device, two grades of line traffic control centrifugal globe arms Attach together and put and third gear line traffic control centrifugal globe arm engagement device.
One grade of line traffic control friction and engaged transmission engagement device be arranged on one grade of input gear and one grade of driving gear it Between;One grade of line traffic control friction includes one grade of driven internal spline hub of band side tooth, one grade of band side tooth flower with engaged transmission engagement device Bonded trap, one grade of armature, one grade of spline housing, one grade of electromagnet, one grade of return spring.
Described one grade one end with the driven internal spline hub of side tooth is fixedly attached to one grade of end face of input gear, described one The inner side end of the other end of the shelves with the driven internal spline hub of side tooth is provided with one grade of side tooth with the driven internal spline hub of side tooth;It is described One grade is sleeved on one grade of external splines groove of spline housing with side tooth spline clutch collar by its inner spline groove, one grade of band side tooth Spline clutch collar is provided with one grade of band side tooth spline on one grade of side end face of the side tooth with the driven internal spline hub of side tooth and connects at it Trap side tooth.
One grade of spline housing is sleeved on one grade of external splines groove of axle by its inner spline groove;One grade of spline housing exists It on one grade of outer face of input gear away from being fixedly connected with one grade of armature;One grade of electromagnet is fixedly mounted on one grade On axle, the magnetic pole end face of one grade of electromagnet just to one grade of armature away from input gear end face, one grade of electromagnet One grade of return spring is provided between one grade of spline housing.
Two grades of line traffic controls centrifugal globe arm engagement device is arranged between two grades of input gears and two grades of driving gears;It is described Two grades of 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 Electromagnet, two grades of hollow wheel discs of centrifugal globe arm, two grades of centrifugal globe arm pins, two grades of centrifugal globe arms, two grades of centrifugal globes, two grades of centrifugal globes Nest, two grades of driving shafts.
One end of two grades of driving shafts is fixedly connected on two grades of one end of input shaft, two grades of centrifugal globes arm hollow wheel Disk is arranged on two grades of intermediate journals of driving shaft by bearings, and the hollow wheel disc of two grades of centrifugal globe arms is at it near two The outer circumference surface of shelves input gear one end is provided with two grades of hollow wheel disc external splines grooves of centrifugal globe arm, two grades of drive-by-wire disks It is sleeved on two grades of hollow wheel disc external splines grooves of centrifugal globe arm by its inner spline groove;The hollow wheel disc of two grades of centrifugal globe arms The other end away from two grades of input gears is provided with multiple two grades of centrifugal globe arm bearings being uniformly distributed circumferentially, described each two grades Two grades of centrifugal globe arm pins are fixedly mounted on centrifugal globe arm bearing;One end of two grades of centrifugal globe arms passes through its smooth bearing bore It is sleeved on two grades of intermediate journals of centrifugal globe arm pin, two grades of centrifugal globe arms can freely be rotated around two grades of centrifugal globe arm pins, The other end of two grades of centrifugal globe arms is provided with two grades of centrifugation ball-and-sockets, and one is provided with each the two grades centrifugations ball-and-socket Two grades of centrifugal globes, described each two grades of centrifugal globe are centrifuged in ball-and-socket at two grades and can freely roll.
The end face of two grades of thrust platens is two frequency modulated light sliding surfaces;Described each two grades of centrifugal globe are resisted against two grades of thrusts On two frequency modulated light sliding surfaces of platen;External splines groove, two grades of thrust pressures are additionally provided with the outer circumference surface of two grades of thrust platens The external splines groove of disk slides axially with both two grades of inner spline grooves of driven internal spline hub and engages;Two grades of driven internal spline hubs Be fixedly connected with two grades of driving gears away from two grades of end faces of input gear.
Two grades of electromagnet, two grades of electromagnetism ferropexies are provided between two grades of input gears and two grades of drive-by-wire disks On two grades of driving shafts;Two grades of drive-by-wire disks are additionally provided with two grades of frictions at it near the end face of two grades of electromagnet Driving plane, two grades of friction-driven end faces are just to two grades of magnetic pole end faces of electromagnet.
The third gear line traffic control centrifugal globe arm engagement device is arranged between input gear and two grades of driven gears;The third gear Line traffic control centrifugal globe arm engagement device includes third gear thrust platen, the driven internal spline hub of third gear, third gear drive-by-wire disk, third gear electromagnetism Iron, the hollow wheel disc of third gear centrifugal globe arm, third gear centrifugal globe arm pin, third gear centrifugal globe arm, third gear centrifugal globe, third gear centrifugation ball-and-socket, Third gear driving shaft.
One end of the third gear driving shaft is fixedly connected on one end of input shaft, and the hollow wheel disc of third gear centrifugal globe arm leads to Bearings are crossed on the intermediate journal of third gear driving shaft, the hollow wheel disc of third gear centrifugal globe arm is at it near input tooth The outer circumference surface for taking turns one end is provided with the hollow wheel disc external splines groove of third gear centrifugal globe arm, and the third gear drive-by-wire disk is by it Spline is sleeved on the hollow wheel disc external splines groove of third gear centrifugal globe arm;The hollow wheel disc of third gear centrifugal globe arm away from input The other end of gear is provided with multiple third gear centrifugal globe arm bearings being uniformly distributed circumferentially, described each third gear centrifugal globe arm bearing One third gear centrifugal globe arm pin of upper fixed installation;One end of the third gear centrifugal globe arm by its smooth bearing bore be sleeved on third gear from On the intermediate journal of bulbus cordis arm pin, the third gear centrifugal globe arm can freely be rotated around third gear centrifugal globe arm pin, the third gear centrifugation The other end of ball arm is provided with a third gear centrifugation ball-and-socket, and a third gear centrifugal globe is provided with each third gear centrifugation ball-and-socket, Described each third gear centrifugal globe can be rolled freely in third gear centrifugation ball-and-socket.
The end face of the third gear thrust platen is third gear shiny surface;Described each third gear centrifugal globe is resisted against third gear thrust On the third gear shiny surface of platen;External splines groove, the third gear thrust pressure are additionally provided with the outer circumference surface of the third gear thrust platen Both the external splines groove of disk and inner spline groove of the driven internal spline hub of third gear slide axially and engage;The driven internal spline hub of third gear Be fixedly connected with two grades of driven gears away from input gear end face.
Third gear electromagnet, the third gear electromagnet fixed installation are provided between the input gear and third gear drive-by-wire disk On third gear driving shaft;The third gear drive-by-wire disk is additionally provided with third gear friction-driven in the end face of its close third gear electromagnet End face, the third gear friction-driven end face is just to the magnetic pole end face of third gear electromagnet.
Compared with prior art, its advantage is the present invention:
(1)The gear automatic speed variator of electric automobile line traffic control three of the invention eliminates hydraulic system and the gear shift of traditional automatic transmission Mechanism, employs band line traffic control centrifugal globe arm engagement device, and centrifugal globe arm engagement device is controlled using line traffic control mode by ECU The break-make of electric current of magnet coil realize that the energy consumption of gear shift, simple structure, low cost, and running is low;
(2)One grade of line traffic control friction of the present invention is with engaged transmission engagement device by the band driven internal spline hub of side tooth and band Moment of torsion with the driven internal spline hub input of side tooth is transferred to one grade of axle, low cruise transmission by side tooth spline clutch collar engaged transmission Moment of torsion is big, transmission efficiency;
(3)Two grades of line traffic controls centrifugal globe arm engagement device of the present invention, third gear line traffic control centrifugal globe arm engagement device, using height The frictional engagement of huge centrifugal force pulls friction plate and steel disc that its centrifugal globe arm is produced during speed operation, transmitting torque is big, rotating speed Height, engaging process is without impact, gear shift smooth-going.
Brief description of the drawings
Fig. 1 is the structural representation of the gear automatic speed variator of electric automobile line traffic control three of the embodiment of the present invention.
In figure:1. bis- grades of 2. output shaft 2a. of input shaft 1a. input gears, mono- grade of driven gear 2b. driven tooths Take turns 3. 1 grades of mono- grade of input shaft 3a., 4. 1 grades of input gear, mono- grade of axle 4a., 5. 2 grades of driving gear input shafts Bis- grades of 5a., 6. 2 grades of input gear, bis- grades of axle 6a., bis- grades of driving gear 20Z. driving shafts, 10. 1 grades of line traffic control frictions with Mono- grade of engaged transmission engagement device 10a. is with mono- grade of side with the driven internal spline hub of side tooth of the driven internal spline hub 10a1. of side tooth Mono- grade of tooth 10b., mono- grade of band external splines groove friction plate 10c., mono- grade of band inner spline groove steel disc 10d. band side tooth spline engagements Mono- grade of band side tooth spline clutch collar side tooth mono- grade of 10e., mono- grade of armature 10f., mono- grade of electromagnetism of spline housing 10g. of set 10d1. Mono- grade of iron 10i., mono- grade of return spring 10j. engagement springs, 20. 2 grades of bis- grades of line traffic control centrifugal globe arm engagement device 20a. Bis- grades of band external splines channel-section steel piece bis- grades of frequency modulated light sliding surfaces of thrust platen 20ca. bis- of 20c. of band inner spline groove friction plate 20b. Driven bis- grades of internal spline hub end lid 20f., bis- grades of the arresting disc 20g. line traffic controls of driven bis- grades of the internal spline hub 20e. of bis- grades of 20d. Bis- grades of bis- grades of friction-driven end face 20h., bis- grades of electromagnet 20i., bis- grades of pre-compressed spring 20j. centrifugations of drive disk 20ga. Bis- grades of bis- grades of centrifugal globe arm pin 20l. of the hollow wheel disc external splines groove 20k. of ball arm bis- grades of centrifugal globe arms of hollow wheel disc 20ja. Bis- grades of centrifugal globe arm 20m., bis- grades of centrifugal globe 20p. centrifugal globe arm return springs 20r., bis- grades of centrifugation ball-and-socket 20Z. bis- Outside shelves driving shaft 30. third gear line traffic control centrifugal globe arm engagement device 30a. third gear band inner spline groove friction plate 30b. third gear bands The spline steel disc 30c. third gear thrust platen 30ca. driven internal spline hub 30e. third gear of third gear shiny surface 30d. third gear Driven internal spline hub end lid 30f. third gear arresting disc 30g. third gear drive-by-wire disk 30ga. third gear friction-driven end faces The 30h. third gear electromagnet 30i. third gear pre-compressed spring hollow wheel disc 30ja. third gear centrifugal globe arms of 30j. third gear centrifugal globe arms Hollow wheel disc external splines groove 30k. third gear centrifugal globe arm pin 30l. third gear centrifugal globe arm 30m. third gear centrifugal globes 30p. Third gear centrifugal globe arm return spring 30r. third gear is centrifuged ball-and-socket 30Z. third gear driving shafts.
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 invention, rather than whole embodiments;Based on the reality in the present invention Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of protection of the invention.
As shown in figure 1, a kind of gear automatic speed variator of electric automobile line traffic control three of the invention, including input shaft 1, output shaft 2, Input gear 1a, one grade of input gear 3a, two grades of input gear 5a, one grade of driving gear 4a, first speed driven gear 2b, two grades of masters Moving gear 6a, two grades of driven gear 2a, 10, two grades of line traffic control centrifugal globe arms of one grade of line traffic control friction and engaged transmission engagement device are engaged Device 20 and third gear line traffic control centrifugal globe arm engagement device 30;Input gear 1a is fixedly mounted on input shaft 1;Input gear 1a edges Often engaged with one grade of input gear 3a and two grades of input gear 5a respectively gear outer circumferential;One grade of input gear 3a fixed installation On one grade of input shaft 3;Two grades of input gear 5a are fixedly mounted on two grades of input shafts 5;One grade of driving gear 4a and one Shelves driven gear 2b is often engaged;Two grades of driving gear 6a are often engaged with two grades of driven gear 2a;One grade of driving gear 4a consolidates Dingan County is on one grade of axle 4;Two grades of driving gear 6a are fixedly mounted on two grades of axles 6;One grade of driving gear 4a is driven with one grade Gear 2b is often engaged;Two grades of driving gear 6a are often engaged with two grades of driven gear 2a;First speed driven gear 2b, two grades of driven gears 2a is fixedly mounted on output shaft 2.
One grade of line traffic control friction is arranged on one grade of input gear 3a and one grade of driving gear 4a with engaged transmission engagement device 10 Between;One grade of line traffic control friction is with engaged transmission engagement device 10 including one grade of driven internal spline hub 10a of band side tooth, one grade with outer flower Keyway 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 grade 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 the driven internal spline hub 10a of side tooth is fixedly attached to one grade of end face of input gear 3a, one grade The inner side end of the other end with the driven internal spline hub 10a of side tooth is provided with one grade of side tooth with the driven internal spline hub of side tooth 10a1;One grade is sleeved on one grade with the driven internal spline hub 10a of side tooth with external splines groove friction plate 10b by its external splines groove On spline;One grade is sleeved on one grade of external splines groove of spline housing 10f with inner spline groove steel disc 10c by its inner spline groove; One grade is sleeved on one grade of external splines groove of spline housing 10f with side tooth spline clutch collar 10d by its inner spline groove, one grade of band side Tooth spline clutch collar 10d is provided with one grade of band side at it on one grade of side end face of the side tooth 10a1 with the driven internal spline hub of side tooth Tooth spline clutch collar side tooth 10d1.
One grade of spline housing 10f is sleeved on one grade of external splines groove of axle 4 by its inner spline groove;One grade of spline housing 10f exists It on one grade of outer face of input gear 3a away from being fixedly connected with one grade of armature 10e;One grade of electromagnet 10g is fixedly mounted on On one grade of axle 4, make one grade of magnetic pole end face of electromagnet 10g just to one grade of armature 10e away from one grade of end face of input gear 3a, One grade of return spring 10i is provided between one grade of electromagnet 10g and one grade of spline housing 10f.
In the state of one grade of electromagnet 10g no power, one grade of armature 10e away from one grade of end face of input gear 3a with One grade of magnetic pole end face of electromagnet 10g, certain air-gap is kept under one grade of elastic force effect of return spring 10i.
Two grades of line traffic control centrifugal globe arm engagement devices 20 are arranged between two grades of input gear 5a and two grades of driving gear 6a;Two Shelves line traffic control centrifugal globe arm engagement device 20 includes two grades of band inner spline groove friction plate 20a, two grades of band external splines channel-section steel piece 20b, two Shelves 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 grades Drive-by-wire disk 20g, two grades of electromagnet 20h, two grades of pre-compressed spring 20i, two grades of hollow wheel disc 20j of centrifugal globe arm, two grades of centrifugations Ball arm pin 20k, two grades of centrifugal globe arm 20l, two grades of centrifugal globe 20m, two grades of centrifugal globe arm return spring 20p, two grades of centrifugation ball-and-sockets 20r, two grades of driving shaft 20Z.
As shown in figure 1, two grades are set with two grades of driving shaft 20Z with inner spline groove friction plate 20a by its inner spline groove On external splines groove;Two grades of one end of driving shaft 20Z are fixedly connected by spline with two grades of input shafts 5, the other end by bearing with Two grades of anterior axle journal connections of axle 6;Two grades of band external splines channel-section steel piece 20b are sleeved on two grades of driven internal spline hubs by external splines groove On the inner spline groove of 20d;Two grades of hollow wheel disc 20j of centrifugal globe arm are arranged on two grades of centres of driving shaft 20Z by bearings On axle journal, two grades of hollow wheel disc 20j of centrifugal globe arm are provided with two grades at it on two grades of outer circumference surfaces of input gear 5a one end Centrifugal globe arm hollow wheel disc external splines groove 20ja, two grades of drive-by-wire disk 20g are sleeved on two grades of centrifugal globes by its inner spline groove On the hollow wheel disc external splines groove 20ja of arm;Two grades of brake disc 20f are fixed on case of transmission by non-magnet material;At two grades The other end away from two grades of input gear 5a of the hollow wheel disc 20j of centrifugal globe arm be provided with multiple two grades for being uniformly distributed circumferentially from Bulbus cordis arm bearing, fixedly mounts two grades of centrifugal globe arm pin 20k on each two grades of centrifugal globe arm bearing;Two grades of centrifugal globe arms One end of 20l is sleeved on two grades of intermediate journals of centrifugal globe arm pin 20k by its smooth bearing bore, and two grades of centrifugal globe arm 20l can Freely rotated around two grades of centrifugal globe arm pin 20k, the other end of two grades of centrifugal globe arm 20l is provided with two grades of centrifugation ball-and-socket 20r, often Two grades of centrifugal globe 20m are installed in individual two grades of centrifugation ball-and-sockets 20r, each two grades of centrifugal globe 20m is centrifuged ball-and-socket 20r at two grades It is interior freely to roll.
Two grades of end faces of thrust platen 20c are 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 is resisted against on two grades of two frequency modulated light sliding surface 20ca of thrust platen 20c;Two grades of thrust pressures External splines groove, two grades of external splines grooves and two grades of driven internal spline hubs of thrust platen 20c are additionally provided with 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 near one end of two grades of input gear 5a Bolt is fixedly connected two grades of driven internal spline hub end lid 20e, away from two grades of one end of input gear 5a and two grades of driving gear 6a It is fixedly connected.
Two grades of electromagnet 20h, two grades of electromagnet 20h are provided between two grades of input gear 5a and two grades of drive-by-wire disk 20g It is fixedly mounted on two grades of driving shaft 20Z;Two grades of drive-by-wire disk 20g also set at it near the end face of two grades of electromagnet 20h There are two grades of friction-driven end faces 20ga, two grades of friction-driven end face 20ga just to two grades of magnetic pole end faces of electromagnet 20h, at two grades In the state of electromagnet 20h no powers, two grades of friction-driven end face 20ga and two grades of magnetic pole end faces of electromagnet 20h are pre- at two grades The elastic force effect of pressing spring 20i is lower to keep certain air-gap.
Third gear line traffic control centrifugal globe arm engagement device 30 is arranged between input gear 1 and two grades of driven gear 2a;Third gear line Control centrifugal globe arm engagement device 30 includes that third gear band inner spline groove friction plate 30a, third gear band external splines channel-section steel piece 30b, third gear are pushed away Force the driven internal spline hub 30d of disk 30c, third gear, the driven internal spline hub end lid 30e of third gear, third gear arresting disc 30f, third gear line traffic control Drive disk 30g, third gear electromagnet 30h, third gear pre-compressed spring 30i, the hollow wheel disc 30j of third gear centrifugal globe arm, third gear centrifugal globe arm Pin 30k, third gear centrifugal globe arm 30l, third gear centrifugal globe 30m, third gear centrifugal globe arm return spring 30p, third gear centrifugation ball-and-socket 30r, Third gear driving shaft 30Z.
As shown in figure 1, third gear is set with the outer of third gear driving shaft 30Z with inner spline groove friction plate 30a by its inner spline groove On spline;One end of third gear driving shaft 30Z is fixedly connected by spline with input shaft 1, and the other end is by bearing and output shaft 2 Anterior axle journal connection;Third gear is set with the interior flower of the driven internal spline hub 30d of third gear with external splines channel-section steel piece 30b by external splines groove Keyway;The hollow wheel disc 30j of third gear centrifugal globe arm is arranged on the intermediate journal of third gear driving shaft 30Z by bearings, third gear The hollow wheel disc 30j of centrifugal globe arm is provided with the third gear hollow wheel disc of centrifugal globe arm on the outer circumference surface of its close input gear 1a one end External splines groove 30ja, third gear drive-by-wire disk 30g are sleeved on the hollow wheel disc external splines of third gear centrifugal globe arm by its inner spline groove On groove 30ja;Third gear brake disc 30f is fixed on case of transmission by non-magnet material;In the third gear hollow wheel disc of centrifugal globe arm The other end away from input gear 1a of 30j is provided with multiple third gear centrifugal globe arm bearings being uniformly distributed circumferentially, each three A third gear centrifugal globe arm pin 30k is fixedly mounted on shelves centrifugal globe arm bearing;One end of third gear centrifugal globe arm 30l is smooth by its Bearing bore is sleeved on the intermediate journal of third gear centrifugal globe arm pin 30k, and third gear centrifugal globe arm 30l can be around third gear centrifugal globe arm pin 30k Freely rotate, the other end of third gear centrifugal globe arm 30l is provided with a third gear centrifugation ball-and-socket 30r, in each third gear centrifugation ball-and-socket 30r One third gear centrifugal globe 30m is installed, each third gear centrifugal globe 30m can be rolled freely in third gear centrifugation ball-and-socket 30r.
The end face of third gear thrust platen 30c is third gear shiny surface 30ca;The other end of third gear thrust platen 30c is thick Rough rubbing surface;Each third gear centrifugal globe 30m is resisted against on the third gear shiny surface 30ca of third gear thrust platen 30c;Third gear thrust pressure External splines groove, external splines groove and the driven internal spline hub of third gear of third gear thrust platen 30c are additionally provided with the outer circumference surface of disk 30c Both inner spline grooves of 30d slide axially engagement;The driven internal spline hub 30d of third gear passes through bolt near one end of input gear 1a The driven internal spline hub end lid 30e of third gear is fixedly connected, the one end away from input gear 1a is fixedly connected with two grades of driven gear 2a.
Third gear electromagnet 30h is provided between input gear 1a and third gear drive-by-wire disk 30g, third gear electromagnet 30h is fixed On third gear driving shaft 30Z;Third gear drive-by-wire disk 30g is additionally provided with three in the end face of its close third gear electromagnet 30h Shelves friction-driven end face 30ga, third gear friction-driven end face 30ga just to the magnetic pole end face of third gear electromagnet 30h, in third gear electromagnetism In the state of iron 30h no powers, the magnetic pole end face of third gear friction-driven end face 30ga and third gear electromagnet 30h is in third gear precompressed bullet The elastic force effect of spring 30i is lower to keep certain air-gap.
The operation principle of the gear automatic speed variator of electric automobile line traffic control three is further illustrated with reference to embodiment:
Electric slip ring is fixedly mounted on one grade of external cylindrical surface of electromagnet 10g, one grade of line is controlled by electric slip ring and outer brush The energization of the magnet coil of control friction and engaged transmission engagement device and power-off;Equally, in two grades of electromagnet 20h and third gear electromagnetism Electric slip ring is fixedly mounted on the external cylindrical surface of iron 30h, two grades are controlled with third gear line traffic control centrifugal globe by electric slip ring and outer brush The energization of the magnet coil of arm engagement device and power-off.
During one grade of transmission, the magnet coil of one grade of electromagnet 10g is powered, one grade of line traffic control friction and engaged transmission engagement device 10 work, meanwhile, two grades of electromagnet 20h, magnet coil power-off of third gear electromagnet 30h;The electromagnetism that one grade of electromagnet 10g is produced One grade of armature 10e of gravitational attraction drives one grade of spline housing 10f to overcome the elastic force of one grade of return spring 10i to act on to one grade of driving gear 4a directions are moved, and one grade of spline housing 10f drives one grade of band internal spline steel disc 10c to be engaged with one grade of band external splines groove friction plate 10b, The frictional force that the two engagement is produced makes one grade with the driven internal spline hub 10a of side tooth and one grade of synchronization of spline housing 10f, the two After synchronization, one grade of engagement spring 10j further promote one grade of band side tooth spline clutch collar 10d near one grade of band side tooth from The end face of dynamic internal spline hub 10a, makes one grade of side tooth 10a1 with the driven internal spline hub of side tooth be engaged with one grade of band side tooth spline The tooth 10d1 engagements of set side, make one grade of the band driven internal spline hub 10a of side tooth and one grade of spline housing 10f synchronous rotary, one grade of spline housing 10f drives one grade of Synchronous Transmission of axle 4 by its internal spline, so as to realize one grade of transmission.
After two grades of magnet coil power-off of electromagnet 20h, under two grades of elastic force effects 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 housing and maintain static, therefore two grades of lines The control frictional force that is engaged between the latter two with two grades of arresting disc 20f of drive disk 20g make two grades of drive-by-wire disk 20g together with two grades from The rotating speed of the hollow wheel disc 20j of bulbus cordis arm is zero, under two grades of twisting actions of line traffic control centrifugal globe arm return spring 20p, makes two grades Centrifugal globe arm 20l inwardly draws in together with two grades of centrifugal globe 20m, and such two grades of line traffic control rocking arms engagement device 20 does not transmit power.
After the magnet coil power-off of third gear electromagnet 30h, under the elastic force effect of third gear pre-compressed spring 30i, make third gear Drive-by-wire disk 30g is engaged with third gear arresting disc 30f, and third gear arresting disc 30f is fixed on housing and maintains static, therefore third gear line The control frictional force that is engaged between the latter two with third gear arresting disc 30f of drive disk 30g make third gear drive-by-wire disk 30g together with third gear from The rotating speed of the hollow wheel disc 30j of bulbus cordis arm is zero, under the twisting action of third gear line traffic control centrifugal globe arm return spring 30p, makes third gear Centrifugal globe arm 30l inwardly draws in together with third gear centrifugal globe 30m, and such third gear line traffic control rocking arm engagement device 30 does not transmit power.
During two grades of transmissions, two grades of magnet coils of electromagnet 20h are powered, two grades of works of line traffic control centrifugal globe arm engagement device 20 Make, meanwhile, one grade of electromagnet 10g, magnet coil power-off of third gear electromagnet 30h;It is logical in two grades of magnet coils of electromagnet 20h After electricity, the electromagnetic attraction of two grades of electromagnet 20h generations passes to two grades of drive-by-wire disk 20g, makes two grades of 20g grams of drive-by-wire disks The elastic force for taking pre-compressed spring 20i is acted on to two grades of electromagnet 20h directions movements, so that two grades of frictions of drive-by-wire disk 20g Driving plane 20ga and two grades of magnetic pole end joineds of electromagnet 20h, drive in the presence of the frictional force that the two engagement is produced Two grades of hollow wheel disc 20j rotations of centrifugal globe arm, two grades of hollow wheel disc 20j of centrifugal globe arm drive each two grades of centrifugal globe arms 20l rotations, Meanwhile, under the influence of centrifugal force, each two grades of centrifugal globe arm 20l are flared out around two grades of centrifugal globe arm pin 20k, make to be provided with two grades One end of centrifugation ball-and-socket 20r drives two grades of centrifugal globe 20m outwards to be circled along the shiny surface 20ca of thrust platen 20c, from And two grades of centrifugal globe arm 20l is produced centrifugal force together with two grades of centrifugal globe 20m, the centrifugal force is along two grades of hollow wheel discs of centrifugal globe arm The component of the central axis direction of 20j promotes thrust platen 20c to produce the axial direction away from two grades of hollow wheel disc 20j of centrifugal globe arm to move It is dynamic, so that thrust platen 20c is mutual with each two grades band inner spline groove friction plate 20a by each two grades band external splines channel-section steel piece 20b Compress, two are realized with the frictional force between inner spline groove friction plate 20a with external splines channel-section steel piece 20b and each two grades by each two grades The driven internal spline hub 20d of shelves makes two grades of driving shaft 20Z and two grades of synchronous rotaries of axle 6 together with two grades of driving shaft 20Z synchronous rotaries, So as to realize two grades of transmissions.
After one grade of magnet coil power-off 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 one grade of band internal spline steel disc 10c to divide with both one grade of band external splines groove friction plate 10b From one grade of side tooth 10a1 with the driven internal spline hub of side tooth is disengaged from one grade of band side tooth spline clutch collar side tooth 10d1, makes One grade of line traffic control friction does not transmit power with engaged transmission engagement device 10.
After the magnet coil power-off of third gear electromagnet 30h, under the elastic force effect of third gear pre-compressed spring 30i, make third gear Drive-by-wire disk 30g is engaged with third gear arresting disc 30f, and third gear arresting disc 30f is fixed on housing and maintains static, therefore third gear line The control frictional force that is engaged between the latter two with third gear arresting disc 30f of drive disk 30g make third gear drive-by-wire disk 30g together with third gear from The rotating speed of the hollow wheel disc 30j of bulbus cordis arm is zero, under the twisting action of third gear line traffic control centrifugal globe arm return spring 30p, makes third gear Centrifugal globe arm 30l inwardly draws in together with third gear centrifugal globe 30m, and such third gear line traffic control rocking arm engagement device 30 does not transmit power.
When third gear is driven, the magnet coil of third gear electromagnet 30h is powered, the work of third gear line traffic control centrifugal globe arm engagement device 30 Make, meanwhile, one grade of electromagnet 10g, magnet coil of two grades of electromagnet 20h are powered off;Lead in the magnet coil of third gear electromagnet 30h After electricity, the electromagnetic attraction that third gear electromagnet 30h is produced passes to third gear drive-by-wire disk 30g, makes 30g grams of third gear drive-by-wire disk The elastic force for taking pre-compressed spring 30i is acted on to the movement of third gear electromagnet 30h directions, so that the friction of third gear drive-by-wire disk 30g The magnetic pole end joined of Driving plane 30ga and third gear electromagnet 30h, drives in the presence of the frictional force that the two engagement is produced The hollow wheel disc 30j rotations of third gear centrifugal globe arm, the hollow wheel disc 30j of third gear centrifugal globe arm drives each third gear centrifugal globe arm 30l rotations, Meanwhile, under the influence of centrifugal force, each third gear centrifugal globe arm 30l is flared out around third gear centrifugal globe arm pin 30k, makes to be provided with third gear One end of centrifugation ball-and-socket 30r drives third gear centrifugal globe 30m outwards to be circled along the shiny surface 30ca of thrust platen 30c, from And third gear centrifugal globe arm 30l is produced centrifugal force together with third gear centrifugal globe 30m, the centrifugal force is along the third gear hollow wheel disc of centrifugal globe arm The component of the central axis direction of 30j promotes thrust platen 30c to produce the axial direction away from the hollow wheel disc 30j of third gear centrifugal globe arm to move It is dynamic, so that thrust platen 30c is mutual with each third gear band inner spline groove friction plate 30a by each third gear band external splines channel-section steel piece 30b Compress, three are realized with the frictional force between inner spline groove friction plate 30a with external splines channel-section steel piece 30b and each third gear by each third gear The driven internal spline hub 30d of shelves makes third gear driving shaft 30Z and the synchronous rotary of output shaft 2 together with third gear driving shaft 30Z synchronous rotaries, So as to realize that third gear is driven.
After one grade of magnet coil power-off 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 one grade of band internal spline steel disc 10c to divide with both one grade of band external splines groove friction plate 10b From one grade of side tooth 10a1 with the driven internal spline hub of side tooth is disengaged from one grade of band side tooth spline clutch collar side tooth 10d1, makes One grade of line traffic control friction does not transmit power with engaged transmission engagement device 10.
After two grades of magnet coil power-off of electromagnet 20h, under two grades of elastic force effects 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 housing and maintain static, therefore two grades of lines The control frictional force that is engaged between the latter two with two grades of arresting disc 20f of drive disk 20g make two grades of drive-by-wire disk 20g together with two grades from The rotating speed of the hollow wheel disc 20j of bulbus cordis arm is zero, under two grades of twisting actions of line traffic control centrifugal globe arm return spring 20p, makes two grades Centrifugal globe arm 20l inwardly draws in together with two grades of centrifugal globe 20m, and such two grades of line traffic control rocking arms engagement device 20 does not transmit power.
One grade of drive path is:One grade of line traffic control friction is powered with engaged transmission engagement device 10 and engages, the torsion of motor Square passes to input gear 1a by input shaft 1, and the moment of torsion is further passed to one grade of input gear 3a by input gear 1a, then One grade of axle 4 is passed to by the one grade of line traffic control friction and the engaged transmission engagement device 10 that engage, then by one grade of driving gear 4a and Power is transferred to output shaft 2 by the engagement of first speed driven gear 2b, realizes one grade of deceleration transmission.
Two grades of drive path is:Two grades of line traffic control centrifugal globe arm engagement devices 20 are powered and engage, and the moment of torsion of motor passes through Input shaft 1 passes to input gear 1a, and the moment of torsion is further passed to two grades of input gear 5a by input gear 1a, then by connecing The two grades of line traffic control centrifugal globe arm engagement devices 20 for closing pass to two grades of axles 6, then by two grades of driving gear 6a and two grades of driven gears Power is transferred to output shaft 2 by the engagement of 2a, realizes two grades of deceleration transmissions.
The drive path of third gear is:Third gear line traffic control centrifugal globe arm engagement device 30 is powered and engages, and the moment of torsion of motor passes through Input shaft 1 passes to third gear driving shaft 30Z, and power is transferred into two by the third gear line traffic control centrifugal globe arm engagement device 30 for engaging Shelves driven gear 2a, then power is outwards exported by output shaft 2, realize that third gear is driven.
The drive path of reverse gear is:Motor is inverted, and one grade of line traffic control friction is powered with engaged transmission engagement device 10 and engages, The moment of torsion of motor passes to input gear 1a by input shaft 1, input gear 1a by the moment of torsion further pass to one grade it is defeated Enter gear 3a, then one grade of axle 4 is passed to engaged transmission engagement device 10 by the one grade of line traffic control friction for engaging, then by one grade of master Power is transferred to output shaft 2 by the engagement of moving gear 4a and first speed driven gear 2b, realizes reverse gear deceleration transmission.
Neutral gear:One grade of line traffic control friction and 10, two grades of line traffic control centrifugal globe arm engagement devices 20, third gear of engaged transmission engagement device Line traffic control centrifugal globe arm engagement device 30 is in off-position, realizes neutral gear.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation Mode, in the ken that art those of ordinary skill possesses, can also not depart from present inventive concept Under the premise of various changes can be made.

Claims (1)

1. a kind of gear automatic speed variator of electric automobile line traffic control three, including input shaft (1), output shaft(2), input gear (1a), one Shelves input gear (3a), two grades of input gears (5a), one grade of driving gear (4a), first speed driven gear (2b), two grades of driving tooths Wheel (6a), two grades of driven gears (2a);The input gear (1a) is fixedly mounted on input shaft (1);The input gear (1a) is often engaged with one grade of input gear (3a) and two grades of input gears (5a) respectively along gear outer circumferential;One grade of input Gear (3a) is fixedly mounted on one grade of input shaft (3);Two grades of input gears (5a) are fixedly mounted on two grades of input shafts (5) On;One grade of driving gear (4a) is often engaged with first speed driven gear (2b);Two grades of driving gears (6a) with two grades from Moving gear (2a) is often engaged;One grade of driving gear (4a) is fixedly mounted on one grade of axle (4);Two grades of driving gears (6a) is fixedly mounted on two grades of axles (6);The first speed driven gear (2b), two grades of driven gears (2a) are fixedly mounted on defeated On shaft (2);It is characterized in that:
It also include one grade of line traffic control friction and engaged transmission engagement device (10), two grades of line traffic controls centrifugal globe arm engagement device (20) and Third gear line traffic control centrifugal globe arm engagement device (30);
One grade of line traffic control friction is arranged on one grade of input gear (3a) and one grade of driving tooth with engaged transmission engagement device (10) Between wheel (4a);One grade of line traffic control friction includes one grade of band side driven internal spline hub of tooth with engaged transmission engagement device (10) (10a), one grade of band side tooth spline clutch collar (10d), one grade of armature (10e), one grade of spline housing (10f), one grade of electromagnet (10g), one grade of return spring (10i);
Described one grade one end with the driven internal spline hub (10a) of side tooth is fixedly attached to one grade of end face of input gear (3a), The inner side end of the described one grade other end with the driven internal spline hub (10a) of side tooth is provided with one grade of band side driven internal spline hub of tooth Side tooth (10a1);One grade of band side tooth spline clutch collar (10d) is sleeved on one grade of spline housing (10f) by its inner spline groove External splines groove on, described one grade with side tooth spline clutch collar (10d) at it near one grade of side with the driven internal spline hub of side tooth The side end face of tooth (10a1) is provided with one grade of band side tooth spline clutch collar side tooth (10d1);
One grade of spline housing (10f) is sleeved on one grade of external splines groove of axle (4) by its inner spline groove;One grade of spline Set (10f) is at it away from being fixedly connected with one grade of armature (10e) on one grade of outer face of input gear (3a);One grade of electricity Magnet (10g) is fixedly mounted on one grade of axle (4), and the magnetic pole end face of one grade of electromagnet (10g) is just to one grade of armature (10e) Away from one grade of end face of input gear (3a), one grade is provided between one grade of electromagnet (10g) and one grade of spline housing (10f) Return spring (10i);
Two grades of line traffic controls centrifugal globe arm engagement device (20) are arranged on two grades of input gears (5a) and two grades of driving gears (6a) Between;Two grades of line traffic controls centrifugal globe arm engagement device (20) include two grades of thrust platens (20c), two grades of driven internal spline hubs (20d), two grades of drive-by-wire disks (20g), two grades of electromagnet (20h), two grades of hollow wheel disc of centrifugal globe arms (20j), two grades of centrifugations Ball arm pin (20k), two grades of centrifugal globe arms (20l), two grades of centrifugal globes (20m), two grades of centrifugations ball-and-socket (20r), two grades of driving shafts (20Z);
One end of two grades of driving shafts (20Z) is fixedly connected on two grades of one end of input shaft (5), and two grades of centrifugal globe arms are empty Heart wheel disc (20j) is arranged on two grades of intermediate journals of driving shaft (20Z) by bearings, and two grades of centrifugal globe arms are hollow Wheel disc (20j) is provided with flower outside two grades of hollow wheel discs of centrifugal globe arm at it on two grades of outer circumference surfaces of input gear (5a) one end Keyway (20ja), two grades of drive-by-wire disks (20g) are sleeved on outside two grades of hollow wheel discs of centrifugal globe arm by its inner spline groove On spline (20ja);The other end away from two grades of input gears (5a) of the hollow wheel disc of two grades of centrifugal globe arms (20j) sets There are multiple two grades of centrifugal globe arm bearings being uniformly distributed circumferentially, one is fixedly mounted on described each two grades of centrifugal globe arm bearing Two grades of centrifugal globe arms pin (20k);One end of two grades of centrifugal globe arms (20l) is sleeved on two grades of centrifugal globes by its smooth bearing bore On the intermediate journal of arm pin (20k), two grades of centrifugal globe arms (20l) can freely rotate around two grades of centrifugal globe arms pin (20k), institute The other end for stating two grades of centrifugal globe arms (20l) is provided with two grades of centrifugations ball-and-socket (20r), each the two grades centrifugations ball-and-socket One two grades of centrifugal globe (20m) is installed, described each two grades of centrifugal globe (20m) are centrifuged in ball-and-socket (20r) at two grades in (20r) Can freely roll;
The end face of two grades of thrust platens (20c) is two frequency modulated light sliding surfaces (20ca);Described each two grades of centrifugal globe (20m) are supported Lean against on two grades of two frequency modulated light sliding surfaces (20ca) of thrust platen (20c);On the outer circumference surface of two grades of thrust platens (20c) also It is provided with external splines groove, the external splines groove of two grades of thrust platens (20c) and two grades of inner spline grooves of driven internal spline hub (20d) The two engagement that slides axially;Two grades of driven internal spline hubs (20d) away from two grades of end faces and two of input gear (5a) Shelves driving gear (6a) are fixedly connected;
Two grades of electromagnet (20h), described two grades are provided between two grades of input gears (5a) and two grades of drive-by-wire disks (20g) Electromagnet (20h) is fixedly mounted on two grades of driving shafts (20Z);Two grades of drive-by-wire disks (20g) are at it near two grades of electricity The end face of magnet (20h) is additionally provided with two grades of friction-driven end faces (20ga), and two grades of friction-driven end faces (20ga) are just right Two grades of magnetic pole end faces of electromagnet (20h);
Third gear line traffic control centrifugal globe arm engagement device (30) is arranged between input gear (1a) and two grades of driven gears (2a); Third gear line traffic control centrifugal globe arm engagement device (30) including third gear thrust platen (30c), the driven internal spline hub (30d) of third gear, Third gear drive-by-wire disk (30g), third gear electromagnet (30h), the hollow wheel disc of third gear centrifugal globe arm (30j), third gear centrifugal globe arm pin (30k), third gear centrifugal globe arm (30l), third gear centrifugal globe (30m), third gear are centrifuged ball-and-socket (30r), third gear driving shaft (30Z);
One end of the third gear driving shaft (30Z) is fixedly connected on one end of input shaft (1), the third gear centrifugal globe arm hollow wheel Disk (30j) is arranged on the intermediate journal of third gear driving shaft (30Z) by bearings, the hollow wheel disc of third gear centrifugal globe arm (30j) is provided with the hollow wheel disc external splines groove of third gear centrifugal globe arm on the outer circumference surface of its close input gear (1a) one end (30ja), the third gear drive-by-wire disk (30g) is sleeved on the hollow wheel disc external splines of third gear centrifugal globe arm by its inner spline groove On groove (30ja);The other end away from input gear (1a) of the hollow wheel disc of third gear centrifugal globe arm (30j) is provided with multiple edges Circumferential equally distributed third gear centrifugal globe arm bearing, fixedly mounts a third gear centrifugation on described each third gear centrifugal globe arm bearing Ball arm pin (30k);One end of the third gear centrifugal globe arm (30l) is sleeved on third gear centrifugal globe arm pin by its smooth bearing bore On the intermediate journal of (30k), the third gear centrifugal globe arm (30l) can freely rotate around third gear centrifugal globe arm pin (30k), and described three The other end of shelves centrifugal globe arm (30l) is provided with a third gear and ball-and-socket (30r) is centrifuged, and described each third gear is centrifuged in ball-and-socket (30r) One third gear centrifugal globe (30m) is installed, described each third gear centrifugal globe (30m) is centrifuged in third gear can be free in ball-and-socket (30r) Roll;
The end face of the third gear thrust platen (30c) is third gear shiny surface (30ca);Described each third gear centrifugal globe (30m) is supported Lean against on the third gear shiny surface (30ca) of third gear thrust platen (30c);On the outer circumference surface of the third gear thrust platen (30c) also It is provided with external splines groove, the external splines groove of the third gear thrust platen (30c) and the inner spline groove of the driven internal spline hub (30d) of third gear Both slide axially engagement;The driven internal spline hub (30d) of third gear it is driven with two grades away from input gear (1a) end face Gear (2a) is fixedly connected;
Third gear electromagnet (30h), the third gear electromagnetism are provided between the input gear (1a) and third gear drive-by-wire disk (30g) Iron (30h) is fixedly mounted on third gear driving shaft (30Z);The third gear drive-by-wire disk (30g) is in its close third gear electromagnet The end face of (30h) is additionally provided with third gear friction-driven end face (30ga), and the third gear friction-driven end face (30ga) is just to third gear The magnetic pole end face of electromagnet (30h).
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