CN108429395A - Electric vehicle differential bi-motor fluid drive transmission mechanism - Google Patents

Electric vehicle differential bi-motor fluid drive transmission mechanism Download PDF

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Publication number
CN108429395A
CN108429395A CN201810309764.7A CN201810309764A CN108429395A CN 108429395 A CN108429395 A CN 108429395A CN 201810309764 A CN201810309764 A CN 201810309764A CN 108429395 A CN108429395 A CN 108429395A
Authority
CN
China
Prior art keywords
motor
spline
gear
main
speed changer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810309764.7A
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Chinese (zh)
Inventor
金洁琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Hao Tsai Industrial Design Co Ltd
Original Assignee
Taizhou Hao Tsai Industrial Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taizhou Hao Tsai Industrial Design Co Ltd filed Critical Taizhou Hao Tsai Industrial Design Co Ltd
Priority to CN201810309764.7A priority Critical patent/CN108429395A/en
Publication of CN108429395A publication Critical patent/CN108429395A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/02Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Retarders (AREA)

Abstract

Electric vehicle differential bi-motor fluid drive transmission mechanism, forms by main motor, from motor, speed changer, gear reduction;It is characterized in that main motor and the same main shaft radial concentric of speed changer, isolator is housed from rotor, from armature spindle spline from spline housing and the second spline of main shaft directly to connecting, the driving gear of speed changer is engaged with carrier gear, carrier gear and gap bridge driven gear concentric co-axial, gap bridge driven gear are engaged with driven gear, and driven gear packs integrally with differential, differential packet spline housing is connect with rear axle shaft spline, and main motor is run under rated condition;Discharge current is more than when rated current and rotating speed are less than speed changer centrifugal-block combination rotating speed to be run from motor assist, or in the case of heavy overload by controller switching switch from motor from beginning to end with main motor synchronous operation.

Description

Electric vehicle differential bi-motor fluid drive transmission mechanism
Technical field
The present invention relates to electric vehicle motors, more particularly to electric vehicle differential bi-motor fluid drive transmission mechanism.
Technical background
Well known brushless electric vehicle differential speed motor technology, there is the differential speed motor of single motor and single motor hand gear, the former It is fixed transmission ratio from beginning to end, it is past in special operational process needed for such as climbing load in the case of large torque It is even shut down toward performing poor, it is especially more unable to do what one wishes under conditions of vehicle needs premised on speed;Although the latter has For Variable Velocity Condition, but system increases complexity and operates and also needs to manual action support, automobile-used for some three-wheels Family is but uncomfortable.It will be apparent to those skilled in that recognize, motor operation has rated efficiency section, such as load be more than seriously Can make when rated operating range speed drop very slow and electric efficiency is extremely low, this consequence can send a telegraph machine or controller is burnt out.
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention, is with modern power electronic and Control Technique of Microcomputer Based on AMT speed change electromechanical integration product mixes;By the good fit of controller, system whole process can automatic basis Surface conditions make adaptable different function action operation, under rated condition, working characteristics and the former two's electricity Machine is identical, is main motor operation always, but in the case where vehicle is climbed or is overloaded, system can automatically increase by two kinds of spies Both distinguished service energy runs slowly from motor assist work and speed changer, effective solution is above-mentioned defect.
Invention content
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention, when electric vehicle loads and climbs using from motor Back work and the deceleration of speed changer increase transmission ratio, can make the multiple growth of output torque product and efficiency section is wider.
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention has main motor, subtracts from motor, speed changer, gear Fast mechanism composition;It is characterized in that main motor and the same main shaft radial concentric of speed changer, isolator is equipped with from rotor, from turning Sub- axis spline from spline housing with the second spline of main shaft directly to connecting, the driving gear of speed changer is engaged with carrier gear, gap bridge tooth Wheel and gap bridge driven gear concentric co-axial, gap bridge driven gear are engaged with driven gear, and driven gear packs integrally with differential, Differential packet spline housing is connect with rear axle shaft spline, and main motor is run under rated condition;Discharge current is more than rated current and turns Speed is run when being less than speed changer centrifugal-block combination rotating speed from motor assist, or is cut by controller in the case of heavy overload Switch is changed to run simultaneously with main motor from beginning to end from motor.
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention, by the good fit of controller, system is whole Automatically adaptable different function can be made according to surface conditions act operation.
It further illustrates under rated condition, main motor is operated in the range of high-speed cruising, and main motor rotor drives master Axis, the first spline of main shaft drive speed changer connecting plate spline housing, connecting plate that case, centrifugal-block is driven to support under the influence of centrifugal force Open locking case internal diameter, dynamic speed directly drives driving disc spacing pressing through case, and driving disc spacing pressing spline drives driving gear, driving gear with Main shaft is run simultaneously.
When further illustrating that main motor discharge current is more than rated current and speed is less than speed changer centrifugal-block combination rotating speed, It works under control order from motor;In another state, under heavy overload condition, controller is by switching knob order It works asynchronously from beginning to end with main motor from motor.
When further illustrating that spindle speed is less than speed changer centrifugal-block combination rotating speed, the first spline of main shaft drives connecting plate flower Key set, connecting plate drives case, and under the action of tension spring, centrifugal-block keeps original state to be detached with case, and dynamic speed is through case tooth Circle drives the planetary gear of planetary gear reducing mechanism, planetary gear to connect driving disc spacing pressing, and driving disc spacing pressing drives driving disc spacing pressing spline, active disc floret Key drives the operation of driving tooth train low speed.
Further illustrate that driving gear drives carrier gear, gap bridge driven gear drives driven gear, in driven gear Differential packet spline housing drives rear axle shaft spline to realize electric vehicle differential bi-motor fluid drive transmission mechanism operation logic.
It further illustrates in main motor work under motor stationary state, due to being equipped with isolator from motor, from motor Rotor does not run main motor without speed and generates magnetic resistance.
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention, the main motor have main motor shell, main side lid, Main stator, main rotor, main magnet steel composition.
The main shaft, it is characterised in that install main rotor on main shaft and speed changer, the first spline of main shaft connect firmly connection Plate spline housing, the second spline of main shaft are connect with from rotor axis of electric spline by spline housing.
The slave motor is formed by from motor casing, from end cap, from stator, from rotor, from magnet steel;The slave rotor its It is characterized in that isolator is housed from rotor, from the unidirectional disk of rotor with from armature spindle radial concentric, there is spline from armature spindle, from Armature spindle spline and the second spline of main shaft spline housing are directly to connecting.
The speed changer has connecting plate, case, driving disc spacing pressing, driving disc spacing pressing spline, centrifugal-block, tension spring, big sun wheel, planet Wheel, sun gear fixed plate composition;The speed changer case gear ring, sun gear, constitutes planetary gear reducing mechanism at planetary gear; The planetary gear reducing mechanism is gear ring active, and sun gear is fixed, and planetary gear is driven.
The gear reduction is made of carrier gear, gap bridge driven gear, driven gear, the carrier gear With gap bridge driven gear concentric co-axial;The driven gear and differential package are integral.
Description of the drawings
Fig. 1 is electric vehicle differential bi-motor fluid drive transmission mechanism schematic diagram.
Specific implementation method
The invention discloses electric vehicle differential bi-motor fluid drive transmission mechanisms, as shown in Figure 1, have main motor 1, from motor 2, Speed changer 3, gear reduction composition;It is characterized in that main motor 1 and 3 same main shaft of speed changer, 16 radial concentric, from motor 2 Rotor 22 is equipped with isolator 221, from armature spindle spline 222 from spline housing 17 and 16 second spline 162 of main shaft directly to connecting, speed change The driving gear 36 of device 3 is engaged with carrier gear 4, carrier gear 4 and 41 concentric co-axial of gap bridge driven gear, gap bridge driven gear 21 engage with driven gear 5, and driven gear 5 packs integrally with differential, and differential packet spline housing is connect with rear axle shaft spline, volume Determine main motor 1 under state to run;Discharge current be more than when rated current and rotating speed combine rotating speed less than 3 centrifugal-block 33 of speed changer from Motor 2 auxiliary operation, or in the case of heavy overload by controller switching switch from motor 2 from beginning to end with main motor 1 synchronous operation.
Electric vehicle differential bi-motor fluid drive transmission mechanism of the present invention, by the good fit of controller, system is whole Adaptable different function action operation can be made automatically according to surface conditions.
It further illustrates under rated condition, main motor 1 is operated in the range of high-speed cruising, 1 rotor of main motor, 12 band Dynamic main shaft 16, the first spline of main shaft 161 drive 3 connecting plate spline housing 321 of speed changer, connecting plate 32 to drive case 31, centrifugal-block 33 strut 31 internal diameter of locking case under the influence of centrifugal force, and dynamic speed directly drives driving disc spacing pressing 39, driving disc spacing pressing through case 31 Spline 391 drives driving gear 36, driving gear 36 to be run simultaneously with main shaft 16.
Further illustrate that 1 discharge current of main motor is more than rated current and speed combines less than 3 centrifugal-block 33 of speed changer and turns When fast, work under control order from motor 2;In another state, under heavy overload condition, controller is pressed by switching Order is turned round to work asynchronously with main motor 1 from beginning to end from motor 2.
When further illustrating that 16 speed of main shaft combines rotating speed less than 3 centrifugal-block 33 of speed changer, the first spline of main shaft 161 drives Connecting plate spline housing 321, connecting plate 32 drives case 31, and under the action of tension spring 37, centrifugal-block 33 keeps original state and case 31 Separation, dynamic speed drive the planetary gear 34 of planetary gear reducing mechanism, planetary gear 34 to connect driving disc spacing pressing through case gear ring 311 39, driving disc spacing pressing 39 drives driving disc spacing pressing spline 391, and it is low speed operation that driving disc spacing pressing spline 391, which drives driving gear 36,.
Further illustrate that driving gear 36 drives carrier gear 4, gap bridge driven gear 41 to drive driven gear 5, driven tooth Differential packet spline housing in wheel drives rear axle shaft spline to realize that the operation of electric vehicle differential bi-motor fluid drive transmission mechanism is former Reason.
It further illustrates in the work of main motor 1 under 2 stationary state of motor, due to being equipped with isolator 221 from motor 2, from The rotor 22 of motor 2 does not run main motor 1 without speed and generates magnetic resistance.
The main motor 1 is made of main motor shell 14, main side lid 15, main stator 11, main rotor 12, main magnet steel 13.
The main shaft 16, it is characterised in that main rotor 12 and speed changer 3, the first spline of main shaft 16 are installed on main shaft 16 161 connect firmly connecting plate spline housing 321, the second spline 162 of main shaft 16 with pass through spline housing 17 from 2 armature spindle spline 222 of motor Connection.
The slave motor 2 is formed by from motor casing 24, from end cap 25, from stator 21, from rotor 22, from magnet steel 23;Institute The slave rotor 22 stated it is characterized in that be equipped with isolator 221 from rotor 22, from 22 unidirectional disk of rotor with it is radially same from armature spindle The heart has spline 222 from 22 axis of rotor, from armature spindle spline 222 and the second spline of main shaft 162 with spline housing 17 directly to connecting.
The speed changer 3 has connecting plate 32, case 31, driving disc spacing pressing 39, driving disc spacing pressing spline 391, centrifugal-block 33, tension spring 37, big sun wheel 38, planetary gear 34, sun gear fixed plate 35 form;The 3 case gear ring 311 of speed changer, planetary gear 34, too Sun wheel 38 constitutes planetary gear reducing mechanism;The planetary gear reducing mechanism is 311 active of gear ring, and sun gear 38 is fixed, Planetary gear 34 is driven.
The gear reduction is made of carrier gear 4, gap bridge driven gear 41, driven gear 5, the gap bridge Gear 4 and 41 concentric co-axial of gap bridge driven gear;The driven gear 5 and differential package is integral.
Technical staff is appreciated that and can be slightly varied without departing from the present invention to disclosed configuration, Therefore, example as described above be given for example only rather than the purpose of limitation, it will be apparent to those skilled in that ground is recognized, Unobvious can carry out the purpose that small modification reaches identical, this hair in the case of changing aforesaid operations to configuration or mounting process It is bright to be restricted by claims.

Claims (3)

1. electric vehicle differential bi-motor fluid drive transmission mechanism, there is main motor(1), from motor(2), speed changer(3), gear subtracts Fast mechanism composition;It is characterized in that main motor(1)With speed changer(3)Same main shaft(16)Radial concentric, from motor(2)Rotor (22)Equipped with isolator(221), from armature spindle spline(222)By spline housing(17)With main shaft(16)Second spline(162)Directly to Connection, speed changer(3)Driving gear(36)With carrier gear(4)Engagement, carrier gear(4)With gap bridge driven gear(41)Together The heart is coaxial, gap bridge driven gear(21)With driven gear(5)Engagement, driven gear(5)It is packed integrally with differential, differential packet flower Key set is connect with rear axle shaft spline, main motor under rated condition(1)Operation;Discharge current is more than rated current and rotating speed is less than Speed changer(3)Centrifugal-block(33)From motor when in conjunction with rotating speed(2)Auxiliary operation, or pass through control in the case of heavy overload Device switching is switched from motor(2)From beginning to end with main motor(1)Synchronous operation.
2. electric vehicle differential bi-motor fluid drive transmission mechanism as described in claim 1, it is characterised in that main shaft(16)On Main rotor is installed(12)And speed changer(3), main shaft(16)The first spline(161)Connect firmly connecting plate spline housing(321), main shaft (16)The second spline(162)With from motor(2)Armature spindle spline(222)Pass through spline housing(17)Connection.
3. electric vehicle differential bi-motor fluid drive transmission mechanism as described in claim 1, feature is described from motor (2)Have from motor casing(24), from end cap(25), from stator(21), from rotor(22), from magnet steel(23)Composition;It is characterized in that From rotor(22)In be equipped with isolator(221), from rotor(22)Unidirectional disk with from armature spindle radial concentric, from rotor(22)On axis There is spline(222), from armature spindle spline(222)With the second spline of main shaft(162)Use spline housing(17)Directly to connection.
CN201810309764.7A 2018-04-09 2018-04-09 Electric vehicle differential bi-motor fluid drive transmission mechanism Pending CN108429395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810309764.7A CN108429395A (en) 2018-04-09 2018-04-09 Electric vehicle differential bi-motor fluid drive transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810309764.7A CN108429395A (en) 2018-04-09 2018-04-09 Electric vehicle differential bi-motor fluid drive transmission mechanism

Publications (1)

Publication Number Publication Date
CN108429395A true CN108429395A (en) 2018-08-21

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Application Number Title Priority Date Filing Date
CN201810309764.7A Pending CN108429395A (en) 2018-04-09 2018-04-09 Electric vehicle differential bi-motor fluid drive transmission mechanism

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120035014A1 (en) * 2009-03-24 2012-02-09 Frank Moeller Transmission Systems
CN103587396A (en) * 2013-11-29 2014-02-19 吉林大学 Power-driven automobile double-motor coupling drive system
CN103640469A (en) * 2013-10-13 2014-03-19 金洁琼 Dual-motor automatic speed changing transmission mechanism
CN205075633U (en) * 2015-09-27 2016-03-09 张峰 A two motor power for electric vehicle
CN206287820U (en) * 2016-12-27 2017-06-30 池州学院 A kind of Dual-motors Driving control device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120035014A1 (en) * 2009-03-24 2012-02-09 Frank Moeller Transmission Systems
CN103640469A (en) * 2013-10-13 2014-03-19 金洁琼 Dual-motor automatic speed changing transmission mechanism
CN103587396A (en) * 2013-11-29 2014-02-19 吉林大学 Power-driven automobile double-motor coupling drive system
CN205075633U (en) * 2015-09-27 2016-03-09 张峰 A two motor power for electric vehicle
CN206287820U (en) * 2016-12-27 2017-06-30 池州学院 A kind of Dual-motors Driving control device

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