CN108128141A - A kind of force transferring method of Electric Motor Wheel and the vehicle using this method - Google Patents
A kind of force transferring method of Electric Motor Wheel and the vehicle using this method Download PDFInfo
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- CN108128141A CN108128141A CN201710749620.9A CN201710749620A CN108128141A CN 108128141 A CN108128141 A CN 108128141A CN 201710749620 A CN201710749620 A CN 201710749620A CN 108128141 A CN108128141 A CN 108128141A
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- wheel
- hub
- motor
- end cap
- cylindrical portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0052—Hubs characterised by functional integration of other elements the element being a brake disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/14—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing the motor of fluid or electric gearing being disposed in or adjacent to traction wheel
- B60K17/145—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing the motor of fluid or electric gearing being disposed in or adjacent to traction wheel the electric gearing being disposed in or adjacent to traction wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The force transferring method and the vehicle using this method that the present invention proposes a kind of Electric Motor Wheel, wheel hub motor torque passes to sun gear by rotor axis of electric, then wheel rim is passed to by planet carrier, vehicle is applied to the power of suspension, is transferred to wheel rim by knuckle end cap, hub motor shell, motor axle body end cap flange, hub unit successively.The present invention realizes Electric Motor Wheel tire ground load and is rationally transmitted in wheel hub with motor power, mechanical braking force, realize that carrying and power transmit independently, reduce Electric Motor Wheel volume and weight, improve reliable transmission, the device integrated level is high, compact-sized, is especially suitable for big torque, the heavy special vehicle application of heavy load.
Description
Technical field
The invention belongs to electric vehicle electric drive technology field, a kind of force transferring method more particularly to Electric Motor Wheel and
Use the vehicle of this method.
Background technology
Electric Motor Wheel technology is also referred to as wheel inner electric machine technology, which is also referred to as wheel hub motor, and maximum feature is exactly will
Power plant, transmission device and brake apparatus are all integrated in wheel hub, are able to the mechanical part of electric vehicle is greatly simple
Change, compared to other drive forms, have the advantage in the majority such as short transmission chain, transmission efficiency, flexible arrangement.Using Electric Motor Wheel technology
Clear superiority of the electric vehicle in terms of the property such as vehicle general arrangement, power sex expression and control make it by academia and industry
The common concern on boundary.
For electric vehicle, especially large-tonnage, vehicle carrying, power demand and wheel hub axial direction and radial space have sternly
Lattice limit, and outer rotor hub motor torque capacity is limited, and weight, which causes greatly unsprung mass to increase, influences high vehicle speeds performance,
Pulling figure needed for vehicle can not be met using existing outer rotor hub motor, so selecting high speed inner rotor motor, and in vehicle
The wheel hub motor scheme of installation large velocity ratio retarder is more suitable between wheel and motor.Patent CN103328247A proposes a kind of wheel
Hub motor driver, but it is all bigger without deceleration mechanism and the device axial dimension and volume clearly used.To realize
Large speed ratio retarder, prior art generally use multistage planet braking technique scheme, axial dimension shared by retarder is big, wheel hub
Brake difficult arrangement, and arrange brake from motor shaft end, it is desirable that brake rotating speed height leads to service life reduction.
Invention content
In order to overcome the shortcomings of the aforementioned prior art and scheme, a kind of integrated level of present invention offer is high, dynamic characteristics is good, can
Vehicle by the high integrated form internal rotor wheel hub motor force transferring method of property and using this method.
The present invention realize motor power, hub brake brake force, steering power, vehicle to wheel rim bearing capacity and
Ground is rationally transmitted, is distributed in face of the active force of wheel rim.It improves transmission parts reliability, reduce Electric Motor Wheel weight, improve
Transmission efficiency, particularly suitable for heavy-duty electric vehicles.
Motor power large velocity ratio deceleration torque is realized, level-one large velocity ratio planetary reduction gear technology is employed, greatly reduces
Component axial dimension improves transmission parts reliability, reduces Electric Motor Wheel weight, improves transmission efficiency.
Solve high-speed hub motor, low speed wheel rim and wheel hub braking between Interface Matching and torque rotary speed characteristics match.
The installation weight is light, integrated level is high, compact-sized, and transmission is efficient, be especially suitable for big torque, heavy load using electricity
The heavy vehicle application of driving wheel driving.
The present invention program is as follows：
A kind of force transferring method of Electric Motor Wheel, the Electric Motor Wheel include wheel hub motor, planetary reduction gear, hub unit and wheel
Rim；The input of the planetary reduction gear is sun gear, is exported as planet carrier；The hub unit includes wheel hub；The motor turns
Sub- axis is connect with the sun gear；The hub unit is connected on the outside of the wheel hub motor, connects and turns on the inside of the wheel hub motor
To section end cap, the planetary reduction gear is located on the outside of the hub unit；Wheel hub motor torque is passed to too by rotor axis of electric
Sun wheel, then passes to wheel rim by planet carrier, realizes that the driving force of Electric Motor Wheel and electric braking force transmit with this；
Vehicle is applied to the power of suspension, successively by knuckle end cap, hub motor shell, motor axle body end cap flange,
Hub unit is transferred to wheel rim, realizes that the bearing capacity of Electric Motor Wheel transmits with this；
Ground effects in the power of wheel rim, successively by wheel rim, hub unit, motor axle body end cap flange, wheel hub motor outside
Shell and knuckle end cap are transferred to suspension.
Preferably, hub unit includes：Interior cylindrical portion, interior cylindrical portion are fixedly connected with motor axle body end cap flange；Inner cylinder
Shape portion and motor axle body end cap flange are split component or are integrally formed component；Outer cylinder part, outer cylinder part and wheel hub, which are fixed, to be connected
It connects；Outer cylinder part and wheel hub are split component or are integrally formed component；The interior tubular portion is located in the outer cylinder part, described
Outer cylinder part is rotatablely connected relative to the interior cylindrical portion.
Preferably, vehicle is applied to the power of suspension, successively by suspension swing arm, motor steering section end cap, wheel hub motor outside
Shell, motor axle body end cap flange are transferred to interior cylindrical portion and outer cylinder part is shunted, then converges to wheel hub, are finally transmitted to
Wheel rim realizes that the bearing capacity of Electric Motor Wheel transmits with this.
Preferably, ground effects are transferred to interior cylindrical portion via wheel hub and outer cylinder part are shunted in the power of wheel rim, then
Motor axle body end cap flange is converged to, is transferred to suspension through hub motor shell and motor steering section end cap, suspension swing arm successively.
Preferably, the rotor axis of electric is connect by being located at the semiaxis in the hub unit with sun gear.
Preferably, two hub bearings are arranged between the interior cylindrical portion and the outer cylinder part；Wheel rim center line is fallen
Between two hub bearings, the semiaxis is located in the interior cylindrical portion.
Preferably, gear ring fixed frame is further included, the gear ring fixed frame fixes the gear ring of the planetary reduction gear；The tooth
Circle fixed frame one end is fixedly connected with the gear ring, and the other end is fixedly connected with the interior cylindrical portion.
Preferably, Electric Motor Wheel further includes hub brake, the hub brake be located at the motor axle body end cap flange,
The wheel hub and the wheel rim are surrounded in space；The housing of hub brake is fixedly connected on motor axle body end cap flange.
Preferably, the brake disc of hub brake is fixedly connected with wheel hub；The braking moment that hub brake generates is by making
Moving plate passes to wheel rim through wheel hub, realizes that the mechanical braking force of Electric Motor Wheel transmits with this.
The invention further relates to the vehicles for using method as described above.
Description of the drawings
Fig. 1 is Electric Motor Wheel schematic diagram of the present invention
Fig. 2 is Electric Motor Wheel explosive view of the present invention
Fig. 3 is Electric Motor Wheel assembling schematic diagram of the present invention
Fig. 4 is Electric Motor Wheel sectional arrangement drawing of the present invention
Fig. 5 is Electric Motor Wheel sectional arrangement drawing of the present invention
Fig. 6 is the assembling schematic diagram of integral steering section end cap of the present invention
Fig. 7 is integral steering section end cap finite Element Stress of the present invention and strain figure
Fig. 8 is each power transfer route schematic diagram of Electric Motor Wheel of the present invention
Wherein 8 (a) In-wheel motor driving power or electric braking force drive path；8 (b) hub brake power transmission line；8
(c) Electric Motor Wheel bearing capacity or ground face wheel rim active force transfer route
Fig. 9 is wheel hub rim structure sectional view of the present invention
Figure 10 is wheel hub rim structure explosive view of the present invention
Figure 11 is wheel hub structure schematic diagram of the present invention
In figure：
1- wheel rims, 101- outer rims, wheel rim in 102-, the installation flaring of 103- rim bolts, 104- boss bolt installing ports,
105- tyre valve core location holes,
2- planetary reduction gears, 3- wheel hubs, 4- hub brakes, 41- brake discs,
5- motor axle body end cap flanges, 51- motor axle body end cover connecting bolts,
6- wheel hub motors, 61- hub motor shells, 62- terminal boxes, 63- rim brakes,
7- knuckle end caps, the upper knuckles of 71-, knuckle under 72-, 8- suspension swing arms,
9- hub bearings, 10- wheel hub motor armature spindles,
21- sun gears, 22- planet carriers, 23- gear rings, 12- gear ring fixed frames,
Cylindrical portion in 13-, 14- outer cylinder parts, 15- steering arms.
Specific embodiment
No special explanation, in the present invention interior lateral direction relative to vehicle generally, whether vehicle left side or the right side
Side Electric Motor Wheel, it is inside all to refer to along axis direction is taken turns close to vehicle center side, is outside far from vehicle center side.
The Electric Motor Wheel of the present invention can be applied to the various vehicles of motor-driven, and auxiliary power is given applied to electronic
Situation, such as the four-wheeled vehicle of fuel cell car or electric vehicle.Be particularly suitable for big torque, heavy load electric vehicle
.But the present invention is not limited to two-wheeled vehicle, three-wheel or carriage that golf course vehicle or aged or disabled use,
Medium or severe type load-carrying commercial vehicle and endless-track vehicle in construction site or carrier etc..
This Electric Motor Wheel scheme shown in Fig. 1-5 is made of wheel hub motor 6, planetary reduction gear 2, hub unit and wheel rim 1.
Vehicle tyre is installed on wheel rim 1.
The planetary reduction gear 2 is located on the outside of the hub unit；6 outside of wheel hub motor passes through motor axle body end cap
Flange 5 connects the hub unit；The 6 inside connection knuckle end cap 7 of wheel hub motor；The knuckle end cap 7 connects vehicle
The suspension swing arm 8 of suspension.
The planetary reduction gear 2 includes sun gear 21, planet carrier 22 and gear ring 23 and gear ring fixed frame 12, the planet
The input of retarder 2 is sun gear 21, is exported as planet carrier 22；Planetary reduction gear 2 be connected to rotor axis of electric 10 and wheel rim 1 it
Between；Planetary reduction gear 2 is slowed down using level-one large velocity ratio, realizes torque and rotating speed matching between high-speed electric expreess locomotive and low speed wheel rim 1, too
Sun wheel 21 is connect with wheel hub motor armature spindle 10, and planet carrier 22 is bolted to connection with wheel rim 1.Outside gear ring fixed frame 12
End is fixedly connected with gear ring 23, and 12 inner end of gear ring fixed frame is fixed with interior cylindrical portion 13, interior cylindrical portion 13 and motor axle body end cap
Flange 5 is fixedly connected, it is seen that gear ring 23 is fixed on by gear ring fixed frame 12 on motor axle body end cap flange 5, realizes itself and electricity
Machine shell 61 is relatively fixed connection, realizes the positioning of 23 axial and circumferential of gear ring.The gear of gear ring 23 by engaged with planetary gear
One gear and the second gear composition engaged with gear ring fixed frame outer end.Sun gear 21, planetary gear in planetary reduction gear 2 and
Gear ring 23 uses helical gear, and planetary gear is positioned by engage realization automatic axial with the gear of gear ring 23, sun gear and is in one
Kind axial floating state, to ensure the good meshing state of reduction planetary retarder and bearing capacity.
6 electromagnetic torque of wheel hub motor imparts power to wheel rim 1 after 2 deceleration torque of planetary reduction gear, realizes driving
Or electric braking wheel.Power direction of transfer is inputted for sun gear 21 during driving, and planet carrier 22 exports；Power transmission side during electric braking
It is inputted to for planet carrier 22, sun gear 21 exports.
The rotor axis of electric 10 is wheel hub motor output shaft, the rotor axis of electric 10 and the planetary reduction gear 2
Sun gear 21 passes through half axis connection；The semiaxis by the spline at both ends respectively with the internal splined hole gear and motor of sun gear
Armature spindle 10 connects.
The wheel hub 3 is fixedly connected with planet carrier 22, the wheel rim 1 of planetary reduction gear 2.
More optimize, Electric Motor Wheel further includes hub brake 4, and the hub brake 4 is located at the motor axle body end cap
Flange 5, the wheel hub 3 and the wheel rim 1 are surrounded in space.The housing of hub brake 4 is connected to wheel hub motor axle body end cap
Flange, the brake disc 41 of hub brake 4 are fixedly connected with wheel hub 3.Hub brake uses big torque slow-speed of revolution brake, excellent
Pneumatic complete disc brake is selected as, the connection mode that the brake disc 41 of brake is fixedly connected on wheel hub 3 is preferably cylindrical type
Pin, brake disc 41 can move axially on cylindrical type pin.
More optimize, the brake disc 41 of the wheel hub 3 and planet carrier 22, wheel rim 1 and hub brake 4, which is fixed, to be connected
It connects, it is preferable that wheel hub 3 is connect with planet carrier 22, wheel rim 1 and hub brake 4 in same position by same a connection piece.
Hub brake 4 is made of brake casing, brake disc 41, friction plate, the secondary actuating mechanism of braking；Wherein brake
Housing is fixedly connected by one group of bolt with motor axle body end cap flange 5, is fixing piece, is not rotated；Brake disc 41 is logical
It crosses cylindrical type pin or spline to connect with wheel hub 3, is revolving part；Friction plate is supported on by spline or sliding rail in detent housing；
There are piston and oil pocket or gas chamber and return mechanism such as return spring in hub brake actuating mechanism, when high pressure liquid pressure oil or gas
Body flows through oil pocket or gas chamber, acts on piston and generates axial thrust so that friction plate is compressed with brake disc 41, and generation rubs
Torque is wiped, wheel hub 3 is hindered to rotate, wheel rim 1 is completed and brakes function.
Hub unit is connected between wheel rim 1 and motor axle body end cap flange 5, and hub unit includes wheel hub 3, interior cylindrical portion
13rd, outer cylinder part 14 and hub bearing 9.Interior cylindrical portion 13 is fixedly connected with motor axle body end cap flange 5, interior cylindrical portion 13 and electricity
Arbor body end cap flange 5 can be split component or be integrally formed component.
The jackshaft is located in interior cylindrical portion 13, and sun gear passes through the jackshaft that is located in interior cylindrical portion 13 and electricity
Machine rotor axis connection；Interior cylindrical portion 13 is located in outer cylinder part 14；Outer cylinder part 14 is fixedly connected with wheel hub 3, outer cylinder part 14
It can be split component with wheel hub 3 or be integrally formed component.The outer cylinder part 14 is relative to the interior cylindrical portion 13
It is rotatably coupled, hub bearing 9 is arranged between the interior cylindrical portion 13 and the outer cylinder part 14, hub bearing 9 uses water
Two taper roll bearings that plain cloth is put, 1 center line of wheel rim are fallen between two taper roll bearings, for there is other application will
It asks, other bearings also can be selected.Interior cylindrical portion 13 also supports 2 gear ring fixed frame 12 of planetary reduction gear.
The hub unit is connect by the motor axle body end cap flange 5 with the hub motor shell 61.
The wheel hub motor 6 of this programme is located at knuckle end cap 7, motor axle body end cap flange 5 is wrapped with hub motor shell 61
Enclose the space to be formed.Wheel hub motor 6 is internal rotor high-speed electric expreess locomotive, based on electromagnetic principles, when motor stator winding has design
Electric current by when, rotor and stator by electromagnetic action generate expected from electromagnetic torque, the rotation of driving motor rotor drives
Wheel hub motor armature spindle rotation output power.Wheel hub motor 6 includes motor stator, rotor, 61/ motor of hub motor shell
Water jacket, wheel hub motor armature spindle 10, motor axle body end cap flange 5 and motor steering section end cap 7, what 6 rotor of wheel hub motor generated
Electromagnetic torque passes to the sun gear 21 of planetary reduction gear 2 by wheel hub motor armature spindle 10；Motor axle body end cap flange 5 is logical
It crosses two opposed hub bearings 9, interior cylindrical portion 13 and outer cylinder part 14 to be supported on wheel hub 3, and passes through interior cylindrical portion 13
Support 2 gear ring fixed frame 12 of planetary reduction gear.Motor housing 61 be located at motor axle body end cap flange 5 and motor steering section end cap 7 it
Between, motor axle body end cap flange 5 and motor steering section end cap 7 are fixedly connected respectively with hub motor shell 61, the motor housing
61 integrated motor cooling water channels, in this case motor housing be also referred to as motor water jacket.
Motor steering section end cap 7 connects vehicle suspension, and as shown in 6, integration is integrated with electric motor end cap, upper steering
Section, lower knuckle and wheel steering arm installation interface.Upper knuckle and lower knuckle are distributed in electric motor end cap edge, wherein suspension
Pumping arm action connects upper and lower knuckle, so as to fulfill the connection of motor and suspension swing arm, the pin hole of upper knuckle and lower knuckle
Point-blank, knuckle can rotate center line around the straight line, which keeps certain with Electric Motor Wheel vertical direction and tilt
Angle.Upper knuckle is connect by ball pin with suspension upper swing arm；Lower knuckle is connect by ball pin with suspension lower swing arm and steering arm.
There is connection box for motor 62 in the end face of motor steering section end cap 7, while in order to reduce motor axial length and motor
Axle body side space limits, and the outlet of motor end terminal box 62 is along motor axial direction from the electronic wheel end outlet, specifically
Outlet is along motor axial direction from the 7 end outlet of motor steering section end cap.
It needs to install the situation of multiple brakes for brake force deficiency, has also reserved rim brake 63 and interface is installed.
Since 6 end center of wheel hub motor connects rim brake 63, terminal box 62 is mounted on 63 radial outside of rim brake
Close to 7 edge of motor steering section end cap.
Load of the ground effects on Electric Motor Wheel wheel rim 1 is transmitted to motor side by hub motor shell 61 or motor water jacket
Lid, then corresponding suspension swing arm is transmitted to by the upper knuckle at electric motor end cap edge and lower knuckle, electric motor end cap as shown in Figure 7
The thickness of edge circumferencial direction thickness ratio thick middle, upper knuckle and lower knuckle is gradually thinning along motor axial direction, and by
It is bigger than the carrying of upper knuckle in lower knuckle, and attached steering arm torque, the following knuckle of institute and electric motor end cap transition position material are thick
Degree is thicker than upper knuckle and electric motor end cap transition position material；Upper knuckle pin hole upper surface connection suspension upper swing arm ball pin, lower turn
To section pin hole upper surface connection suspension lower swing arm ball pin, lower surface connection steering arm, the upper and lower swing arm ball pin of suspension is turning above and below
It can rotate and move up and down in the horizontal direction into section, electric motor end cap shape is herein in connection with vehicle wheel steering and suspension beating scope
It determines, ensures to eliminate movement interference.
The present invention realizes motor power, wheel hub system by above-mentioned power transfer mode in vehicle traction, braking and steering
Dynamic device power, steering power, vehicle vertical load and ground are rationally transmitted in face of the active force of wheel rim.
With reference to vehicle driving-cycle, using finite element analysis means, each part of the force of motor steering end cap of the present invention is tied
Structure strength and stiffness are verified, as shown in Figure 7；Analysis method is fixed in upper and lower knuckle, chooses 2 kinds of the most severe works
Condition is vehicle ground shock loading respectively, and lateral peak acceleration 0.65g when taking 3 times of static loads and Vehicular turn passes through wheel
Hub motor housing/motor water jacket is acted on motor steering section end cap 7, can from 7 stress and strain figure of motor steering section end cap
To find out, stress and strain distribution is relatively reasonable, which meets bearing requirements in structure.
The planet carrier 22, gear ring fixed frame 12, interior cylindrical portion 13, motor axle body end cap flange 5, motor housing of this programme
61st, be fixedly connected between motor steering section end cap 7 and suspension swing arm 8, planet carrier 22, gear ring fixed frame 12, interior cylindrical portion,
Motor axle body end cap flange 5, motor housing 61 and motor steering section end cap 7 with suspension swing arm 8 due to connecting without sending out
The raw rotary motion along axletree.
During vehicle traction, according to selected integrated vehicle control tactics, vehicle charges to 6 stator winding of wheel hub motor, with rotor
Make in generate electromagnetic torque, planetary reduction gear 2, sun gear 21 are imparted power to by wheel hub motor armature spindle 10, through planet
Wheel hub 3 and wheel rim 1 are imparted power to by planet carrier 22 after 2 deceleration torque of retarder, drive wheel.
First, In-wheel motor driving power transmission path, it is as follows：
See Fig. 8 (a), the driving force acted on wheel rim 1 is generated by wheel hub motor 6, the power that rotor axis of electric 10 exports
It is connected on the sun gear 21 of planetary reduction gear 2 by semiaxis, by the deceleration torque of planetary reduction gear 2, is passed by planet carrier 22
It is handed to wheel rim 1 and is ultimately applied to wheel, realize the rotation of wheel-hub motor driven vehicle wheel.
2nd, brake force transmission path, it is as follows：
For electric vehicle, the brake force acted on wheel rim 1 is provided jointly by hub brake 4 and wheel hub motor 6,
Middle hub brake 4 generates mechanical braking force, and wheel hub motor 6 generates electric braking force.Wheel rim 1 is made when electro-motive vehicle is run at high speed
Power is mainly provided by electric braking force, is provided during low vehicle speeds, passed through jointly by both electric braking force and mechanical braking force
The intervention time and intensity of control hub brake 4 and wheel hub motor 6 realize that mechanical braking force and electric braking force rationally efficiently divide
Match, the electric energy that maximum recycling electric braking generates under the premise of vehicle brake safe is ensured.
When vehicle is braked, according to selected integrated vehicle control tactics, when Vehicle Speed is higher than a certain speed and braking
Pedal action meets certain condition, generates electric braking torque by wheel hub motor 6 first, passes through semiaxis, 2 sun gear of planetary reduction gear
21st, gear ring finally acts on wheel rim to wheel hub 3, plays the function of braking wheel rim 1；When a certain vehicle of Vehicle Speed low pressure
Speed and brake pedal action meet certain condition, and hub brake 4 and wheel hub motor 6 are all devoted oneself to work, 3 machinery power of wheel hub
By the motor electric braking force collective effect wheel rim 1 passed on wheel hub 3 and wheel hub 3, the electromechanical combination system of wheel rim 1 is completed
It is dynamic；When car speed meets certain condition, electric braking force revocation, only by wheel hub system less than a certain speed or brake pedal action
Dynamic device 4 generates Braking and wheel rim 1, completes the braking of vehicle；
Mechanical braking force transmission path is shown in 8 (b)：The brake disc 41 of hub brake 4 is fixedly connected with wheel hub 3, wheel hub system
The housing of dynamic device 4 is connected to motor axle body end cap flange 5, realizes the generation mechanical braking force of hub brake 4 and is applied directly to
On wheel hub 3 and pass to wheel；
Electric braking force transmission path is shown in Fig. 8 (a)：It is identical with driving force transmission path, and wheel hub motor 6 generates electric braking force
Wheel rim 1 is transferred to by rotor axis of electric 10, semiaxis, sun gear 21, planet carrier 22 successively, is ultimately applied to wheel.
3rd, vehicle vertical load, Electric Motor Wheel bearing capacity transmission path see Fig. 8 (c), it is as follows：
Vehicle is applied to the power of suspension, successively by suspension swing arm, motor steering section end cap 7, hub motor shell 61,
Motor axle body end cap flange 5 is transferred to interior cylindrical portion 13 and outer cylinder part 14 is shunted, then converges to wheel hub 3, final to transmit
To wheel rim 1, realize that the bearing capacity of Electric Motor Wheel transmits with this.
Since bearing capacity is shunted near axle by interior cylindrical portion 13 and outer cylinder part 14, interior cylindrical portion 13 is reduced
With the bearing load of outer cylinder part 14, transmission parts reliability is improved, since interior cylindrical portion 13 and outer cylinder part 14 are held jointly
Above-mentioned vehicle vertical load is carried, realizes that this programme is suitable for heavy-duty electric vehicles.
4th, ground effects join Fig. 8 (c) in the power transmission path of wheel rim 1, as follows：
Ground effects are transferred to interior cylindrical portion 13 via wheel hub 3 and outer cylinder part 14 are shunted in the power of wheel rim 1, then
Motor axle body end cap flange 5 is converged to, is transferred to successively through hub motor shell 61 and motor steering section end cap 7, suspension swing arm
Suspension.
Since power of the ground effects in wheel rim 1 is disperseed by interior cylindrical portion 13 and outer cylinder part 14, interior tubular is reduced
Portion 13 and the bearing load of outer cylinder part 14, improve transmission parts reliability, since interior cylindrical portion 13 and outer cylinder part 14 are common
With above-mentioned ground effects are carried in the power of wheel rim 1, realize that this programme is suitable for heavy-duty electric vehicles.
The present invention vehicle traction, braking and turn to when realize motor power, hub brake power, steering power,
Vehicle vertical load and ground are rationally transmitted in face of the active force of wheel rim；And on the basis of Electric Motor Wheel power is rationally transmitted, employ one
Grade large velocity ratio planetary reduction gear technology, complete-disc wheel hub braking technology, greatly reduce component axial dimension, improve transmission parts
Reliability reduces Electric Motor Wheel weight, transmission efficiency is improved, particularly suitable for heavy-duty electric vehicles.
In another embodiment of the present invention, wheel rim connection structure of the invention is as follows：
Such as Fig. 9-11, wheel rim includes outer rim 101 and interior wheel rim 102.Interior wheel rim has towards the flange shape of wheel center
Interior wheel rim mounting flange, the outer rim have towards wheel center flange shape outer rim mounting flange.
Outer rim 101, interior wheel rim 102 same circumference on uniformly distributed two groups alternate bolts hole each other, be wheel rim respectively
Bolt installation flaring 103 and boss bolt mounting hole 104.
The connecting end surface of planet carrier mounting flange and wheel hub is set gradually on the inside of the interior wheel rim mounting flange；Planet carrier is pacified
Fill on the circumference of the same radius of the connecting end surface of flange and wheel hub uniformly distributed two groups each other alternate rim bolt arrangement flaring and
Boss bolt counter sink.
Wherein rim bolt connects inside and outside wheel rim；Boss bolt connects inside and outside wheel rim, planet carrier mounting flange and wheel hub
Connecting end surface.Specifically, the axial direction where the center that the center of rim bolt installation flaring 103 and rim bolt arrangement are flared
It is identical with radial position；Rim bolt installation flaring position installation rim bolt, the bolt head of rim bolt or its clamp nut
It is contained in the space that rim bolt arrangement flaring is formed, realizes being fastenedly connected for outer rim 101 and interior wheel rim 102.Wheel hub spiral shell
Bolt passes through boss bolt mounting hole 104 and boss bolt counter sink, realizes outer rim 101, interior wheel rim 102, planet carrier Method for Installation
Blue and wheel hub connecting end surface is fastenedly connected, and then fastens wheel rim, planet carrier for planetary reduction gear and wheel hub.
Wherein wheel hub motor power is by wheel hub motor armature spindle 10, via semiaxis, until after 2 deceleration torque of planetary reduction gear
Boss bolt junction is transmitted to by planet carrier 22, is transferred to wheel hub 3；Brake force is transmitted to by mechanical braking force by wheel hub 3
Boss bolt junction is transferred to wheel hub 3, and ground is acted on by boss bolt on wheel hub 3 in face of the load of wheel rim, through interior tubular
Portion 13, outer cylinder part 14 and hub bearing 9 are supported in motor axle body end flange 5.
For the ease of tyre inflating, tyre valve core mounting hole is additionally provided on boss bolt and rim bolt distribution circle
Position 105, tyre valve core is installed across the hole.
The advantageous effect of the embodiment is：By the design of two groups of bolts, the fastening of inside and outside wheel rim was both completed, also might be used
By being fixedly connected with carrier flange and wheel hub；Boss bolt need to be only released in re-type wheel rim can be removed, and realized
Wheel rim servicing ease；In vehicle, two kinds of bolt collective effects in interior wheel rim and outer rim, ensure that power drive mechanism when driving
Reliability.
The wheel rim connection scheme solves wheel rim, wheel hub and planet carrier attachment force deficiency or wheel rim is not easy to asking for dismounting
Topic, it is compact-sized, it is easy to maintenance, it is suitble to the heavy vehicle application using In-wheel-motor driving.
Claims (10)
1. a kind of force transferring method of Electric Motor Wheel,
The Electric Motor Wheel includes wheel hub motor, planetary reduction gear, hub unit and wheel rim；
The input of the planetary reduction gear is sun gear, is exported as planet carrier；
The hub unit includes wheel hub；
The rotor axis of electric is connect with the sun gear；
It is characterized in that：
The hub unit is connected on the outside of the wheel hub motor, knuckle end cap, the planet are connected on the inside of the wheel hub motor
Retarder is located on the outside of the hub unit；
Wheel hub motor torque passes to sun gear by rotor axis of electric, then passes to wheel rim by planet carrier, is realized with this electronic
The driving force and electric braking force of wheel are transmitted；
Vehicle is applied to the power of suspension, successively by knuckle end cap, hub motor shell, motor axle body end cap flange, wheel hub
Component is transferred to wheel rim, realizes that the bearing capacity of Electric Motor Wheel transmits with this；
Ground effects in the power of wheel rim, successively by wheel rim, hub unit, motor axle body end cap flange, hub motor shell and
Knuckle end cap is transferred to suspension.
2. the method as described in claim 1, it is characterised in that：Hub unit includes：
Interior cylindrical portion, interior cylindrical portion are fixedly connected with motor axle body end cap flange；Interior cylindrical portion and motor axle body end cap flange are
Split component is integrally formed component；
Outer cylinder part, outer cylinder part are fixedly connected with wheel hub；Outer cylinder part and wheel hub are split component or are integrally formed component；
The interior tubular portion is located in the outer cylinder part, and the outer cylinder part is rotatablely connected relative to the interior cylindrical portion.
3. the method as described in claim 1, it is characterised in that：
Hub unit includes interior cylindrical portion and outer cylinder part；The interior tubular portion is located in the outer cylinder part, the outer cylindrical
Portion is rotatablely connected relative to the interior cylindrical portion；
Vehicle is applied to the power of suspension, successively by suspension swing arm, motor steering section end cap, hub motor shell, motor axle body
End cap flange is transferred to interior cylindrical portion and outer cylinder part is shunted, then converges to wheel hub, wheel rim is finally transmitted to, with this reality
The bearing capacity of existing Electric Motor Wheel transmits.
4. the method as described in claim 1, it is characterised in that：
Hub unit includes interior cylindrical portion and outer cylinder part；The interior tubular portion is located in the outer cylinder part, the outer cylindrical
Portion is rotatablely connected relative to the interior cylindrical portion；
Ground effects are transferred to interior cylindrical portion via wheel hub and outer cylinder part are shunted, then converges to motor in the power of wheel rim
Axle body end cap flange is transferred to suspension through hub motor shell and motor steering section end cap, suspension swing arm successively.
5. such as claim 2 to 4 any one of them method, it is characterised in that：The rotor axis of electric is by being located at the wheel
Semiaxis in hub assembly is connect with sun gear.
6. method as claimed in claim 5, it is characterised in that：Two are arranged between the interior cylindrical portion and the outer cylinder part
Hub bearing；Wheel rim center line is fallen between two hub bearings, and the semiaxis is located in the interior cylindrical portion.
7. such as claim 2 to 4 any one of them method, it is characterised in that：Gear ring fixed frame is further included, the gear ring is fixed
Frame fixes the gear ring of the planetary reduction gear；Described gear ring fixed frame one end is fixedly connected with the gear ring, the other end with it is described
Interior cylindrical portion is fixedly connected.
8. such as Claims 1-4 any one of them method, it is characterised in that：Electric Motor Wheel further includes hub brake, the wheel
Hub brake is located at the motor axle body end cap flange, the wheel hub and the wheel rim and surrounds in space；The shell of hub brake
Body is fixedly connected on motor axle body end cap flange.
9. such as Claims 1-4 any one of them method, it is characterised in that：
The brake disc of hub brake is fixedly connected with wheel hub；
The braking moment that hub brake generates passes to wheel rim by brake disc through wheel hub, and the mechanical braking of Electric Motor Wheel is realized with this
Power is transmitted.
10. a kind of vehicle, it is characterised in that：Use such as claim 1-9 any one of them method.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749620.9A CN108128141B (en) | 2017-08-28 | 2017-08-28 | Force transmission method of electric wheel and vehicle using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749620.9A CN108128141B (en) | 2017-08-28 | 2017-08-28 | Force transmission method of electric wheel and vehicle using same |
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| CN108128141A true CN108128141A (en) | 2018-06-08 |
| CN108128141B CN108128141B (en) | 2020-11-17 |
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| CN201710749620.9A Active CN108128141B (en) | 2017-08-28 | 2017-08-28 | Force transmission method of electric wheel and vehicle using same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130839A (en) * | 2018-10-09 | 2019-01-04 | 清华大学 | A kind of electronic wheel assembly, vehicle bridge and vehicle suitable for twin tyre wheel |
| CN111775687A (en) * | 2020-07-08 | 2020-10-16 | 清华大学 | Integrated multifunctional electric wheel assembly and electric driving walking device and control method thereof |
| CN112498479A (en) * | 2020-09-30 | 2021-03-16 | 上海汇众汽车制造有限公司 | Automobile steering angle mechanism and automobile comprising same |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421428C1 (en) * | 1994-06-18 | 1995-07-27 | Fichtel & Sachs Ag | Planetary gearing esp. for electric drive of road vehicle wheel |
| DE10014131A1 (en) * | 2000-03-22 | 2001-09-27 | Zahnradfabrik Friedrichshafen | Drive for vehicle wheel e.g. low-platform busses etc. has drive motor to drive reduction gear pinion, meshing with ring gear for max. distance between motor and wheel axle |
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| WO2003106207A1 (en) * | 2002-06-18 | 2003-12-24 | Magnetic Systems Technology Limited | Hub drive system |
| US20060144626A1 (en) * | 2005-01-06 | 2006-07-06 | Ryoji Mizutani | In-Wheel motor with high durability |
| US20120161497A1 (en) * | 2011-12-30 | 2012-06-28 | Jing He | Wheel hub flywheel-motor kinetic hybrid system and method |
| CN102656086A (en) * | 2009-12-17 | 2012-09-05 | 米其林集团总公司 | System for motorising a wheel connected to a suspension |
| JP2012218563A (en) * | 2011-04-07 | 2012-11-12 | Honda Motor Co Ltd | Vehicle driving apparatus and vehicle |
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| US20130161148A1 (en) * | 2011-12-22 | 2013-06-27 | Fairfield Manufacturing Company, Inc. | Planetary gearbox with integral service brake |
| CN103874871A (en) * | 2011-09-27 | 2014-06-18 | Ntn株式会社 | In-wheel motor drive device |
| CN104512237A (en) * | 2013-09-27 | 2015-04-15 | 住友重机械工业株式会社 | Wheel drive apparatus and forklift |
| CN105270161A (en) * | 2015-10-28 | 2016-01-27 | 湖北航天技术研究院特种车辆技术中心 | Wheel-side motor driving device |
| CN105946589A (en) * | 2016-05-12 | 2016-09-21 | 杭州电子科技大学 | Wheel hub motor electric car braking system and braking energy recovery control method |
| CN106103166A (en) * | 2013-12-20 | 2016-11-09 | 福乐尼·乐姆宝公开有限公司 | There is the vehicle wheel component of motor and Vehicular brake device |
| CN106335356A (en) * | 2016-09-22 | 2017-01-18 | 中国北方车辆研究所 | Hub motor drive device with speed-reducing mechanism |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
| CN107031382A (en) * | 2016-01-28 | 2017-08-11 | 迪尔公司 | Compact multi-speed planetary actuator assembly |
-
2017
- 2017-08-28 CN CN201710749620.9A patent/CN108128141B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421428C1 (en) * | 1994-06-18 | 1995-07-27 | Fichtel & Sachs Ag | Planetary gearing esp. for electric drive of road vehicle wheel |
| DE10014131A1 (en) * | 2000-03-22 | 2001-09-27 | Zahnradfabrik Friedrichshafen | Drive for vehicle wheel e.g. low-platform busses etc. has drive motor to drive reduction gear pinion, meshing with ring gear for max. distance between motor and wheel axle |
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| WO2003106207A1 (en) * | 2002-06-18 | 2003-12-24 | Magnetic Systems Technology Limited | Hub drive system |
| US20060144626A1 (en) * | 2005-01-06 | 2006-07-06 | Ryoji Mizutani | In-Wheel motor with high durability |
| CN102656086A (en) * | 2009-12-17 | 2012-09-05 | 米其林集团总公司 | System for motorising a wheel connected to a suspension |
| JP2012218563A (en) * | 2011-04-07 | 2012-11-12 | Honda Motor Co Ltd | Vehicle driving apparatus and vehicle |
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| CN103874871A (en) * | 2011-09-27 | 2014-06-18 | Ntn株式会社 | In-wheel motor drive device |
| US20130161148A1 (en) * | 2011-12-22 | 2013-06-27 | Fairfield Manufacturing Company, Inc. | Planetary gearbox with integral service brake |
| US20120161497A1 (en) * | 2011-12-30 | 2012-06-28 | Jing He | Wheel hub flywheel-motor kinetic hybrid system and method |
| CN104512237A (en) * | 2013-09-27 | 2015-04-15 | 住友重机械工业株式会社 | Wheel drive apparatus and forklift |
| CN106103166A (en) * | 2013-12-20 | 2016-11-09 | 福乐尼·乐姆宝公开有限公司 | There is the vehicle wheel component of motor and Vehicular brake device |
| CN105270161A (en) * | 2015-10-28 | 2016-01-27 | 湖北航天技术研究院特种车辆技术中心 | Wheel-side motor driving device |
| CN107031382A (en) * | 2016-01-28 | 2017-08-11 | 迪尔公司 | Compact multi-speed planetary actuator assembly |
| CN105946589A (en) * | 2016-05-12 | 2016-09-21 | 杭州电子科技大学 | Wheel hub motor electric car braking system and braking energy recovery control method |
| CN106335356A (en) * | 2016-09-22 | 2017-01-18 | 中国北方车辆研究所 | Hub motor drive device with speed-reducing mechanism |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130839A (en) * | 2018-10-09 | 2019-01-04 | 清华大学 | A kind of electronic wheel assembly, vehicle bridge and vehicle suitable for twin tyre wheel |
| US12005784B2 (en) | 2018-10-09 | 2024-06-11 | Tsinghua University | Electric wheel assembly applicable for parallelly mounted dual-tire wheel, axle, and vehicle |
| CN111775687A (en) * | 2020-07-08 | 2020-10-16 | 清华大学 | Integrated multifunctional electric wheel assembly and electric driving walking device and control method thereof |
| CN112498479A (en) * | 2020-09-30 | 2021-03-16 | 上海汇众汽车制造有限公司 | Automobile steering angle mechanism and automobile comprising same |
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|---|---|
| CN108128141B (en) | 2020-11-17 |
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