CN104986030A - Electric vehicle wheel side driving system and driving method - Google Patents

Electric vehicle wheel side driving system and driving method Download PDF

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Publication number
CN104986030A
CN104986030A CN201510418513.9A CN201510418513A CN104986030A CN 104986030 A CN104986030 A CN 104986030A CN 201510418513 A CN201510418513 A CN 201510418513A CN 104986030 A CN104986030 A CN 104986030A
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wheel
motor
deceleration
direct
reducer shell
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CN104986030B (en
Inventor
时培成
赵琦
张�浩
肖平
潘道远
张荣芸
王海涛
李文江
周加东
宴长山
彭闪闪
王雪娇
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Anhui Polytechnic University
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Anhui Polytechnic University
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Abstract

The invention discloses an electric vehicle wheel side driving system and a driving method. The electric vehicle wheel side driving system comprises a deceleration driving system disposed in a wheel hub and a direct driving system fixedly connected with the wheel hub and directly driving a wheel. The electric vehicle wheel side driving method is realized via the electric vehicle wheel side driving system. By the use of the electric vehicle wheel side driving system and the driving method, motors of various systems can be guaranteed to work within the rated power and motor output efficiency can be ensured; demands for normal power can be met and overall vehicle weight can be reduced; large transmission ratio is achieved and high mechanical transmission efficiency is provided; and the electric vehicle wheel side driving system possesses compact structure, facilitates spatial arrangements and meets requirements for light weight of the electric vehicle.

Description

Electric wheel limit drive system and driving method thereof
Technical field
The present invention relates to the design and manufaction field of electronlmobil, specifically, relate to electric wheel limit drive system and driving method thereof.
Background technology
Hub-type electric automobile is emerging a kind of electronlmobil drive form.Electrical motor is directly arranged in wheel nave by it, eliminate the parts such as traditional power-transfer clutch, change-speed box, main reduction gear and diff, enormously simplify complete vehicle structure, improve driving efficiency, and realize the Electronic differential control to electric drive wheel by control technology.Thus electric drive wheel becomes the developing direction of following electronlmobil.
Electric wheeled power drive system has Direct driver electric drive wheel and wheel reduction gear electric drive wheel two kinds of base models.The electric drive wheel of direct drive electronlmobil and wheel form a whole parts assembly, adopt electronic differential mode, and motor arrangement is at inside wheel, and direct drive of wheel driving automobile travels.
Wheel reduction gear In-wheel-motor driving system can adapt to the operating needs of modern high performance electronlmobil.Belong to deceleration type, this electric drive wheel allows electrical motor to run at high speeds.
Existing electric wheel limit drive systems form is single, and driving system structure is complicated, and complete vehicle quality is higher, is also difficult to meet normal kinetic sexual demand.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide and can not only meet normal kinetic sexual demand, and can reduce complete vehicle quality, design transmitting ratio is large, and mechanical transfer efficiency is high, the electric wheel limit drive system of compact conformation and driving method thereof.
To achieve these goals, the technical solution used in the present invention is:
Electric wheel limit drive system, the Direct Driving System of direct drive of wheel comprising the deceleration system in wheel nave be located at and connect firmly with wheel nave.
Described deceleration system comprises deceleration motor and retarder, and described retarder is connected with the motor shaft of described deceleration motor by deceleration transmission system, and the output shaft of described retarder is connected with described hub shell of taking turns.
Described Direct Driving System is direct-driving motor, and described direct-driving motor comprises the stator core that the reducer shell of being located at rotor core in described wheel nave and described retarder is formed, and described stator core is located in described rotor core.
Described reducer shell is provided with the reducer shell front end cover be connected with the motor flange of deceleration motor; Described deceleration transmission system is located in reducer shell, and described deceleration transmission system comprises the driven wheel be connected with the motor shaft of described deceleration motor and the transmission gear be provided with described driven wheel engagement on described reducer shell front end cover; Described transmission gear is connected with pinion carrier, and described pinion carrier is provided with and the planetary wheel of set gear ring engagement in reducer shell and the sun wheel with described planetary wheel engagement; The output shaft be connected with described wheel hub is connected with described sun wheel.
Described sun wheel comprises the erection column be arranged in described pinion carrier and the sun wheel wheel rim be rotationally connected with described erection column; Described erection column outer wall be provided with described sun wheel wheel rim inwall set by the ratchet that matches of hook tooth.
Described stator core outer wall is provided with and is wound around and the coil of hot-wire coil can installs groove, and described rotor core inwall is provided with that be wound with can the coil winding groove of hot-wire coil; Described rotor core outer wall to be provided with on detent and described wheel hub set positioning boss and to match, or described rotor core and described wheel hub are integral type structure.
Described direct-driving motor comprise with the clamping of described reducer shell front end cover, be fixedly mounted on drive motor front end cover on rotor core and and reducer shell rear end set by the drive motor rear side housing of reducer shell boss clamping.
End is provided with brake clamp in described reducer shell rear end, and described wheel hub is fixed with brake disc, and described wheel hub is provided with set brake disc boss on wheel hub boss and brake disc and is bolted.
Described reducer shell front end cover is provided with suspension system; Described deceleration system and described Direct Driving System work under full speed of a motor vehicle operating mode; Battery-driven car car-backing function is completed by described Direct Driving System.
Electric wheel limit driving method, utilizes above-mentioned electric wheel limit drive system to realize, is specially:
Deceleration motor and direct-driving motor are all connected with the car body controller of battery-driven car;
Battery-driven car is when speed operation, low middling load conditions such as starting, climbings, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is under cruising at moderate speed operating mode, and car body controller sends instruction and controls deceleration machine operation, controls direct-driving motor and quits work;
When battery-driven car realizes car-backing function, car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is under high-performance cruise operating mode, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is when anxious acceleration, climb very steep slopes, the heavy load operating mode such as to full speed ahead, and car body controller sends instruction and controls direct-driving motor and deceleration motor works simultaneously.
The advantage of electric wheel limit drive system of the present invention and method thereof is: first, adopt the type of drive that deceleration system and Direct Driving System combine, avoid use single motor cause vehicle to adapt to the indifferent problem of various road conditions, ensure that driving system can stable operation.
Secondly, the direct-driving motor of Direct Driving System and wheel are carried out integrated design, using wheel nave as the body skin of external rotor electric machine, using reducer shell as the stator core of external rotor electric machine, in effective utilization to the one of traditional speed reduction gearing, effectively can alleviate the quality of driving device, Direct wheel drives system architecture is compact, also provides pacing factor for installing external rotor electric machine simultaneously.
Thirdly, deceleration transmission system adopts cylindrical wheel deceleration transmission and satellite gear deceleration transmission, and design transmitting ratio is large, and mechanical transfer efficiency is high.Simultaneously traditional sun wheel is mainly carried out being connected with axle by spline or common key thus is carried out transmitting torque, by sun wheel and ratchet are carried out combination design, utilize the unidirectional delivery of ratchet, sun wheel being designed to can the device of unidirectional delivery power, effectively prevent the mutual interference brought when double-motor uses, actual transmission is very helpful.
Finally, deceleration motor is designed from direct-driving motor and works under different operating mode, can ensure that electrical motor works near rating horsepower, electrical motor output efficiency can be ensured; Also deceleration system and Direct Driving System can be worked, to ensure that battery-driven car has powerful propulsive effort and acceleration capability under some heavy load operating mode (as accelerated, climbing, bear a heavy burden) simultaneously; Normal kinetic sexual demand can not only be met, reduce complete vehicle quality, and project organization is compact, be conducive to space and arrange, meet battery-driven car lightweight requirements.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification sheets of the present invention below and figure is briefly described:
Fig. 1 is the structure diagram of electric wheel limit of the present invention drive system.
Fig. 2 is the wheel hub structure figure of electric wheel limit of the present invention drive system
Fig. 3 is the deceleration components of system as directed constructional drawing of electric wheel limit of the present invention drive system.
Fig. 4 is the reducer shell constructional drawing of electric wheel limit of the present invention drive system.
Fig. 5 is each gear engagement structure figure of deceleration system of electric wheel limit of the present invention drive system.
Fig. 6 is the rotor core structure figure of the Direct Driving System of electric wheel limit of the present invention drive system.
Fig. 7 is the direct-driving motor front end cover arrangement plan of electric wheel limit of the present invention drive system.
Fig. 8 is suspension system and the brake system arrangement plan of electric wheel limit of the present invention drive system.
Fig. 9 is the suspension system constructional drawing of electric wheel limit of the present invention drive system.
Figure 10 is the direct-driving motor front end cover constructional drawing of electric wheel limit of the present invention drive system.
Figure 11 is the direct-driving motor rear end cover structure figure of electric wheel limit of the present invention drive system.
Figure 12 is the brake system structure figure of electric wheel limit of the present invention drive system.
Figure 13 is the lower suspension arm structure figure of electric wheel limit of the present invention drive system.
Figure 14 is the shock absorber structure figure of the shock mitigation system of electric wheel limit of the present invention drive system.
Figure 15 is the sun wheel constructional drawing of the deceleration system of electric wheel limit of the present invention drive system.
Figure 16 is the deceleration electric machine structure figure of electric wheel limit of the present invention drive system.
Figure 17 is the assembling disassembly diagram of electric wheel limit of the present invention drive system.
Figure 18 is the assembly structure figure of electric wheel limit of the present invention drive system.
Mark in above-mentioned figure is:
Being labeled as in above-mentioned figure: 1, wheel hub; 2, lower swing arm; 3, deceleration motor; 4, bumper; 5, positioning boss; 6, wheel hub boss; 7, reducer shell front end cover; 8, driven wheel; 9, planetary wheel; 10, sun wheel; 11, reducer shell bearing; 12, output shaft; 13, transmission gear; 14, pinion carrier; 15, reducer shell; 16, reducer shell boss; 17, output shaft axle sleeve; 18, rotor core; 19, detent; 20, coil winding groove; 21, tapped bore; 22, connecting panel; 23, drive motor front end cover; 24, connecting panel connecting element; 25, through hole; 26, lower swing arm connecting element; 27, connector; 28, upper support seat; 29, damping spring; 30, shock mitigation system connecting element; 31, hollow cylinder boss; 32, drive motor rear side housing; 33, ball retainer; 34, ratchet end cap; 35, ball; 36, ratchet; 37, hook tooth; 38, gear ring; 39, planetary spindle; 40, hollow cylinder connected in star; 41, motor flange; 42, motor shaft; 43, brake disc; 44, brake clamp; 45, brake disc boss, 46, coil install groove.
Detailed description of the invention
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Fig. 1, Figure 17 and Figure 18, electric wheel limit drive system, the Direct Driving System of direct drive of wheel comprising the deceleration system in wheel nave 1 be located at and connect firmly with wheel nave 1; Deceleration system can be designed from Direct Driving System and work under different operating mode, to ensure that each system motors works near rating horsepower, and then ensure electrical motor output efficiency; Also deceleration system and Direct Driving System can be worked, to ensure that battery-driven car has powerful propulsive effort and acceleration capability under some heavy load operating mode (as accelerated, climbing, bear a heavy burden) simultaneously; Normal kinetic sexual demand can not only be met, reduce complete vehicle quality, and project organization is compact, be conducive to space and arrange, meet battery-driven car lightweight requirements.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, deceleration system comprises deceleration motor 3 and retarder, retarder is connected with the motor shaft 42 of deceleration motor 3 by the deceleration transmission system of retarder, and the output shaft 12 of retarder is connected with wheel hub 1, as the axle drive shaft of wheel hub 1.
Retarder comprises reducer shell 15, and reducer shell 15 is provided with the reducer shell front end cover 7 be connected with the motor flange 41 of deceleration motor 3; Deceleration transmission system is located in reducer shell 15, and deceleration transmission system comprises the driven wheel 8 be connected with the motor shaft 42 of deceleration motor 3 and the transmission gear 13 be located at driven wheel 8 engagement on reducer shell front end cover 7; Transmission gear 13 is connected with pinion carrier 14, pinion carrier 14 be provided with reducer shell 15 inside gear ring 38 engage planetary wheel 9 and and planetary wheel 9 engage sun wheel 10; Output shaft 12 and the sun wheel 10 of the retarder be connected with wheel hub 1 are affixed.
Deceleration transmission system comprises cylindrical gear reducer structure and planet gear reducing mechanism, and this cylindrical gear reducer structure comprises driven wheel 8, as the pinion carrier 14 of transmission shaft and transmission gear 13, transmission shaft and pinion carrier 14 integrated design, compact conformation.This planet gear reducing mechanism comprises gear ring 38, planetary wheel 9, pinion carrier 14 and sun wheel 10; Pinion carrier 14 side fixed conveyor gear 13, pinion carrier 14 opposite side fixes planetary wheel 9 and sun wheel 10.
Driven wheel 8 is meshed with transmission gear 13; This pinion carrier 14 is provided with the planetary spindle 39 of fixing planetary wheel 9, and planetary wheel 9 is meshed with gear ring 38; This sun wheel 10 is arranged in gear ring 38 in the heart, sun wheel 10 is fixedly connected with output shaft 12, output shaft 12 is installed in rotation on reducer shell 15 by reducer shell bearing 11, sun wheel 10 is engaged with three planetary wheels 9, driven wheel 8 is with nutating gear 13 to rotate, transmission gear 13 drives pinion carrier 14 to rotate, pinion carrier 14 drives planetary wheel 9 to rotate, planetary wheel 9 drives sun wheel 10 to rotate, sun wheel 10 drives output shaft 12 to rotate, finally power is passed on wheel hub 1, realizing slowing down increases square.Owing to adopting Multi-stage transmission can enlarge markedly the transmitting ratio of deceleration system, thus reduce deceleration motor 3 size, not only process, I& M performance is good, and improve the whole service life of electric wheel limit drive system.
Reducer shell front end cover 7 is provided with end cap boss, end cap outer wall of boss is provided with groove and reducer shell 15 front inner wall spacing preiection matches, reducer shell front end cover 7 and reducer shell 15 are installed and are formed closed shell, and deceleration transmission system is located at closed shell inside.
The motor shaft 42 of deceleration motor 3 penetrates set through hole 25 on reducer shell front end cover 7 and stretches into reducer shell 15 inside.Output shaft 12 is rotatably connected by reducer shell bearing 11 and reducer shell 15, output shaft 12 passes from brake disc 43 centre hole after passing from reducer shell 15 rear end again and is bolted to connection with wheel hub 1, and one end that output shaft 12 stretches out from reducer shell 15 rear end is provided with output shaft axle sleeve 17.
As shown in figure 15, sun wheel 10 comprises the erection column be arranged in pinion carrier 14 and the sun wheel wheel rim be rotationally connected with erection column; Erection column two ends be provided with sun wheel wheel rim inwall set by the ball 35 of groove fit, be provided with in the middle part of erection column with sun wheel wheel rim inwall set by the ratchet 36 that matches of hook tooth 37.Erection column two ends end face is provided with ratchet end cap 34.Be provided with hook tooth 37 in the middle part of sun wheel wheel rim inwall, sun wheel wheel rim inwall hook tooth 37 both sides are provided with the groove installing ball 35, and sun wheel wheel ring outer wall is provided with the gear teeth engaged with planetary wheel 9.
Ball 35 is globosity, and ball 35 is fixed on erection column by ball retainer 33, and hook tooth 37 is positioned at sun wheel 10 inwall central authorities; These sun wheel 10 inwall hook tooth 37 both sides offer groove, can arrange ball 35; Hook tooth 37 both sides are positioned at after ball 35 installs; This ball retainer 33 matches with ball 35; This ratchet end cap 34 is positioned on the end face of sun wheel 10 two ends, and ratchet 36 and hook tooth 37 coordinate, and sun wheel 10 can only unidirectional rotary, avoids two motors of deceleration system and Direct Driving System operationally to cause interference, consumed energy.
As shown in Fig. 4, Fig. 6, Fig. 7, Fig. 9, Figure 18, Direct Driving System is direct-driving motor, direct-driving motor comprises the stator core that the reducer shell 15 of being located at rotor core 18 in wheel nave 1 and retarder is formed, and stator core is located in rotor core 18.The direct-driving motor of Direct Driving System using reducer shell 15 as the stationary part of motor, using the rotor core 18 in automotive hub 1 as rotor portion; When direct-driving motor in automotive hub 1 is energized, drives vehicle wheel rotation, simplify transmission device, reduce Integral automobile quality simultaneously, save and manufacture and use cost.
Direct-driving motor comprise with reducer shell front end cover 7 clamping, be fixedly mounted on drive motor front end cover 23 on rotor core 18 and and reducer shell 15 rear end set by the drive motor rear side housing 32 of reducer shell boss 16 clamping.Drive motor front end cover 23 offers the front end cover fit depressions that hollow cylinder boss 31 and reducer shell front end cover 7 are offered; Drive motor rear side housing 32 offers hollow cylinder connected in star 40 to match with the reducer shell boss 16 that reducer shell 15 is offered.Drive motor front end cover 23 is fixedly mounted on rotor core 18, rotor core 18 has corresponding tapped bore 21.
Stator core outer wall is wound with hot-wire coil, and be provided with coil installation groove 46, rotor core 18 inwall is wound with hot-wire coil, and be provided with coil winding groove 20, rotor core 18 inwall is provided with that be wound with can the coil winding groove 20 of hot-wire coil, and rotor core 18 outer wall is provided with positioning boss 5 set on detent 19 and wheel hub 1 and matches.Preferred orientation groove 19 is trapezoidal groove, and positioning boss 5 is the trapezoid boss with trapezoidal groove adaptation.Or rotor core 18 and wheel hub 1 are integral type structure, and wheel hub 1 self changes into the rotor core 18 of direct-driving motor, and structure is more simple.
The coil being wound around in groove 46 and can being energized installed by the coil of stator core, reducer shell 15 formed the stator core of direct drive motor.
The coil winding groove 20 of rotor core 18 is wound with hot-wire coil, coordinates form direct drive motor with stator core.
Rotor core 18 is fixed connection by detent 19 and bolt and wheel hub 1, thus realizes the transmission of power to wheel hub 1.
As shown in figure 12, brake system comprises brake disc 43 and brake clamp 44; Brake clamp 44 is fixedly connected with reducer shell 15; This brake disc 43 offers brake disc boss 45; Wheel hub 1 offers wheel hub boss 6, brake disc boss 45 and wheel hub boss 6 are fixed by bolt and are connected.Namely end, reducer shell 15 rear end is provided with brake clamp 44, wheel hub 1 is fixed with brake disc 43, wheel hub 1 is provided with set brake disc boss 45 on wheel hub boss 6 and brake disc 43 and is bolted.
Reducer shell front end cover 7 is provided with suspension system, and as shown in Fig. 8, Fig. 9, Figure 13, Figure 14, Figure 18, suspension system comprises shock mitigation system, connecting panel 22, connecting panel connecting element 24, lower swing arm connecting element 26 and lower swing arm 2; Connecting panel connecting element 24 is bolted to connection on one jiao, the upper end of reducer shell front end cover 7; Connecting panel 22 and connecting panel connecting element 24 are bolted to connection; Shock mitigation system comprises the shock mitigation system connecting element 30 of middle bumper 4, damping spring 29, upper support seat 28, connector 27 and bottommost, and shock mitigation system connecting element 30 is connected with connecting panel 21 thus shock mitigation system and electric wheel limit drive system is linked together; Lower swing arm 2 is connected with lower swing arm connecting element 26, and lower swing arm connecting element 26 is bolted to connection in the middle and lower part of reducer shell front end cover 7 thus lower swing arm 2 and electric wheel limit drive system is linked together.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 9, Figure 15, Figure 17, Figure 18, deceleration system can both work under full speed of a motor vehicle operating mode, but can only move forward; Direct Driving System also can work under full speed of a motor vehicle operating mode, and car-backing function is completed by Direct Driving System; Deceleration motor 3 and direct-driving motor are designed to different power, moment of torsion, specifically direct-driving motor power high pulling torque is large, the little moment of torsion of deceleration power of motor is little, can ensure that electrical motor works near rating horsepower, can ensure electrical motor output efficiency.
Electric wheel limit driving method, utilizes above-mentioned electric wheel limit drive system to realize, is specially:
Deceleration motor 3 and direct-driving motor are all connected with the car body controller of battery-driven car;
Battery-driven car is when speed operation, low middling load conditions such as starting, climbings, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor 3 and quits work;
Battery-driven car is under cruising at moderate speed operating mode, and car body controller sends instruction control deceleration motor 3 and works, and controls direct-driving motor and quits work;
When battery-driven car realizes car-backing function, car body controller sends instruction and controls direct-driving motor work, controls deceleration motor 3 and quits work;
Battery-driven car is under high-performance cruise operating mode, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor 3 and quits work;
Battery-driven car is when anxious acceleration, climb very steep slopes, the heavy load operating mode such as to full speed ahead, and car body controller sends that instruction controls direct-driving motor, deceleration motor 3 works simultaneously.
During actual entrucking, electric wheel limit drive system can be selected and be contained on the front two-wheeled of battery-driven car, rear two-wheeled or four-wheel; Front two-wheeled or rear two-wheel drive type battery-driven car, if direct-driving motor damages, then utilize deceleration motor 3 car to be reached in time maintenance station maintenance, if deceleration motor 3 damages, then utilizes direct-driving motor car to be reached in time maintenance station maintenance; Four-wheel drive type battery-driven car, if deceleration motor 3 or direct-driving motor damage in front two-wheeled, except said method, also can utilize rear two-wheel drive, and vehicle still can continue to travel, then finds maintenance station to keep in repair; If deceleration motor 3 or direct-driving motor damage in rear two-wheeled, except said method, also can utilize front two-wheel drive, vehicle still can continue to travel, then finds maintenance station to keep in repair.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out, all within protection scope of the present invention.

Claims (10)

1. electric wheel limit drive system, is characterized in that: the Direct Driving System of direct drive of wheel comprising the deceleration system in wheel nave be located at and connect firmly with wheel nave.
2. electric wheel limit as claimed in claim 1 drive system, it is characterized in that: described deceleration system comprises deceleration motor and retarder, described retarder is connected with the motor shaft of described deceleration motor by deceleration transmission system, and the output shaft of described retarder is connected with described hub shell of taking turns.
3. electric wheel limit as claimed in claim 2 drive system, it is characterized in that: described Direct Driving System is direct-driving motor, described direct-driving motor comprises the stator core that the reducer shell of being located at rotor core in described wheel nave and described retarder is formed, and described stator core is located in described rotor core.
4. electric wheel limit as claimed in claim 3 drive system, is characterized in that: described reducer shell is provided with the reducer shell front end cover be connected with the motor flange of deceleration motor; Described deceleration transmission system is located in reducer shell, and described deceleration transmission system comprises the driven wheel be connected with the motor shaft of described deceleration motor and the transmission gear be provided with described driven wheel engagement on described reducer shell front end cover; Described transmission gear is connected with pinion carrier, and described pinion carrier is provided with and the planetary wheel of set gear ring engagement in reducer shell and the sun wheel with described planetary wheel engagement; The output shaft be connected with described wheel hub is connected with described sun wheel.
5. electric wheel limit as claimed in claim 4 drive system, is characterized in that: described sun wheel comprises the erection column be arranged in described pinion carrier and the sun wheel wheel rim be rotationally connected with described erection column; Described erection column outer wall be provided with described sun wheel wheel rim inwall set by the ratchet that matches of hook tooth.
6. electric wheel limit as claimed in claim 3 drive system, is characterized in that: described stator core outer wall is wound with hot-wire coil, and is provided with coil installation groove, and rotor core inwall is wound with hot-wire coil, and is provided with coil winding groove; Rotor core outer wall is provided with positioning boss set on detent and wheel hub and matches; Or rotor core and wheel hub are integral type structure.
7. electric wheel limit as claimed in claim 4 drive system, is characterized in that: described direct-driving motor comprise with the clamping of described reducer shell front end cover, be fixedly mounted on drive motor front end cover on rotor core and and reducer shell rear end set by the drive motor rear side housing of reducer shell boss clamping.
8. electric wheel limit as claimed in claim 7 drive system, it is characterized in that: end is provided with brake clamp in described reducer shell rear end, described wheel hub is fixed with brake disc, and described wheel hub is provided with set brake disc boss on wheel hub boss and brake disc and is bolted.
9. the electric wheel limit drive system as described in claim 4 or 5 or 7 or 8, is characterized in that: described reducer shell front end cover is provided with suspension system; Described deceleration system and described Direct Driving System work under full speed of a motor vehicle operating mode; Battery-driven car car-backing function is completed by described Direct Driving System.
10. electric wheel limit driving method, utilizes the electric wheel limit drive system described in any one of claim 1-9 to realize, it is characterized in that: be specially:
Deceleration motor and direct-driving motor are all connected with the car body controller of battery-driven car;
Battery-driven car is when speed operation, low middling load conditions such as starting, climbings, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is under cruising at moderate speed operating mode, and car body controller sends instruction and controls deceleration machine operation, controls direct-driving motor and quits work;
When battery-driven car realizes car-backing function, car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is under high-performance cruise operating mode, and car body controller sends instruction and controls direct-driving motor work, controls deceleration motor and quits work;
Battery-driven car is when anxious acceleration, climb very steep slopes, the heavy load operating mode such as to full speed ahead, and car body controller sends instruction and controls direct-driving motor and deceleration motor works simultaneously.
CN201510418513.9A 2015-07-14 2015-07-14 Electric wheel side drive system and its driving method Active CN104986030B (en)

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CN106343927A (en) * 2016-10-18 2017-01-25 安徽工程大学 Automatic stairs climbing and stairs step sweeping device
CN106343927B (en) * 2016-10-18 2021-11-23 安徽工程大学 Device for automatically climbing stairs and cleaning stairs steps
CN107042754A (en) * 2017-04-19 2017-08-15 武汉理工大学 A kind of dual wheel wheel hub motor assembly
CN107651034A (en) * 2017-08-31 2018-02-02 北京精密机电控制设备研究所 A kind of integrated drive module of mobile robot
CN107471998A (en) * 2017-09-04 2017-12-15 安徽工程大学 Electric automobile torsion girder-like Direct wheel drives system and its driving method
CN108099583A (en) * 2018-01-17 2018-06-01 贵州苏佳乐电动车有限公司 A kind of built-in motor driving wheel of electric car
CN113910896A (en) * 2020-07-09 2022-01-11 浙江盘毂动力科技有限公司 Integrated wheel-side driving device

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