CN107453538A - A kind of wheel hub motor with column - Google Patents
A kind of wheel hub motor with column Download PDFInfo
- Publication number
- CN107453538A CN107453538A CN201710537261.0A CN201710537261A CN107453538A CN 107453538 A CN107453538 A CN 107453538A CN 201710537261 A CN201710537261 A CN 201710537261A CN 107453538 A CN107453538 A CN 107453538A
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- CN
- China
- Prior art keywords
- end cap
- motor
- outer end
- rotor
- tubular elements
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses a kind of wheel hub motor with column, including housing, motor, decelerator, hub bearing, column and transmission main shaft；Housing includes the side wall of inner end cap, outer end cap, connection inner end cap and outer end cap；Outer end cap is provided with the tubular elements of inside end cap direction extension；Motor is provided with cavity, and in the space being collectively forming by inner end cap and outer end cap；Decelerator is located in the cavity of motor, is arranged on by bearing on the inside of the tubular elements on the outer end cap；Hub bearing includes wheel hub revolving part and wheel hub fixture, and wheel hub revolving part is connected with the output end of decelerator, and wheel hub fixture is fixed with column, and column is connected with the outer end cap on housing；Transmission main shaft is between the rotor and decelerator of motor.Wheel hub motor in the present invention is not stressed in itself, and decelerator by bearings on the inside of the tubular elements on the outer end cap, can be reduced the space-consuming of wheel hub motor, can be widely used in many kart in the cavity of motor.
Description
Technical field
The invention belongs to driver for vehicle technical field, and in particular to a kind of wheel hub motor with column.
Background technology
Wheel hub motor can simplify the drive system of vehicle and the complete vehicle structure of vehicle, improve transmission efficiency, increase chassis
The space that can be utilized, complicated Study on Vehicle Dynamic Control is realized, be the ultimate drive form of following electric automobile.But take turns at present
Hub motor also faces the problem of some are severe, when reduce volume, quality and increase the contradiction between torque, power, second,
How the reliability and environmental suitability of wheel hub motor is improved.Existing wheel hub motor is roughly divided into direct-drive type and with reducing gear
Formula, so-called direct-drive type are exactly that the rotor of motor is directly connected by simple structure with wheel rim, and the wheel hub motor of this structure is not
Suitable for the occasion of high pulling torque, the occasion for needing high pulling torque, generally require to add the volume meeting of reducing gear, otherwise motor
It is very big, very big influence is caused to its applicability, the mode of most original is that directly decelerator is connected with motor, is occurred later
Cavity is set in the inside of motor, and most of structure of reductor is arranged in the cavity, how to design reducing gear
Position and mounting arrangements, it is the technical problem that this class formation needs most solution to improve drive efficiency and reduce noise；In addition, also
The problems such as in the presence of nonspring carried mass is added, torque density is low, is unfavorable for suspension, brakes arrangement, and sealed heat-dissipating is stranded.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of wheel hub motor with column, by motor or motor
The input of decelerator is arranged at brake, so as to increase the output torque of motor or increase motor
The braking moment of output torque and brake, brake request can also be met by producing less braking moment even if brake, accordingly
Ground, brake disc can reduce, and such brake disc small volume, light weight, cost are low, even without booster brake during braking, subtract
Small vehicle cost, energy consumption is reduced, improve braking reliability.
Above-mentioned technical purpose is realized, reaches above-mentioned technique effect, the present invention is achieved through the following technical solutions：
A kind of wheel hub motor with column, including housing, motor, decelerator, hub bearing, column and transmission master
Axle；
The housing includes the side wall of inner end cap, outer end cap, connection inner end cap and outer end cap；The outer end cap be provided with to
The tubular elements of inner end cap direction extension；
The motor is provided with cavity, and in the space being collectively forming by inner end cap and outer end cap；
The decelerator is located in the cavity of motor, is arranged on by bearing in the tubular elements on the outer end cap
Side；
For the hub bearing located at the outside of outer end cap on housing, it includes wheel hub revolving part and wheel hub fixture, described
Wheel hub revolving part is connected with the output end of decelerator by rotating shaft, and wheel hub revolving part is used to fix with wheel rim, and band motor car wheel revolves
Turn, the wheel hub fixture is connected with column, and column is connected with the outer end cap on housing；
Suspension mount point is installed on the column；
The transmission main shaft is between the rotor and decelerator of motor, to utilize decelerator increase motor
Output torque.
Further, described a kind of wheel hub motor with column, in addition to brake, the brake are located at housing
On the outside of upper inner end cap, it is connected with the input of decelerator by transmission main shaft；Or the brake is located at outer end cap on housing
Outside, the brake are connected on wheel hub revolving part with the output end of decelerator by rotating shaft；Or the brake
It is connected with the output end of decelerator.
Further, the motor includes stator, rotor field spider and is arranged on cored rotor, the stator
Connect the inside sidewalls of inner end cap and outer end cap, the rotor field spider is made up of or common by unilateral plate and tubular elements unilateral plate
Composition；When rotor field spider is made up of unilateral plate, unilateral plate is fixed on one end of rotor, and covers the cavity on rotor, unilateral
Plate is provided with the through hole for being used for accommodating transmission main shaft；When rotor field spider is made up of unilateral plate and tubular elements, the iron core peace of rotor
Mounted in the outer surface of tubular elements, the cavity on unilateral plate covering rotor, and unilateral plate is provided with and is used to accommodate the logical of transmission main shaft
Hole.
Further, the motor is induction machine, including stator and cage-type rotor, and the stator is arranged on connection
The inside sidewalls of inner end cap and outer end cap, the cage-type rotor include unilateral plate, short-circuited conducting sleeve and at least one circle sliver, the sliver
Both ends be connected respectively with short-circuited conducting sleeve and unilateral plate；It is described or the motor includes stator, rotor field spider and permanent magnet
Stator is arranged on connection inner end cap and the inside sidewalls of outer end cap, and the rotor field spider is made up of unilateral plate with tubular elements, described
Permanent magnet is located at the outer surface of tubular elements, forms the rotor structure of magneto.
Further, when rotor field spider is made up of unilateral plate and tubular elements, tubular elements at least one end is provided with radially outward
The flange of extension, to strengthen tubular elements intensity, and meanwhile it is spacing to rotor.
Further, described a kind of wheel hub motor with column, in addition to a bearing, when rotor field spider is by unilateral plate
When being formed with tubular elements, the bearing is between rotor field spider and the tubular elements of outer end cap, for supporting rotor；When rotor branch
When frame is made up of unilateral plate, the bearing is between rotor and the tubular elements of outer end cap.
Further, the tubular elements of the rotor field spider or rotor and the tubular elements of inside end cap direction extension on outer end cap
Between be provided with a radial clearance, when rotor field spider or rotor, which produce, radially to be perturbed, gap is eliminated, the tubular of rotor field spider
Part or rotor contact with the tubular elements of inside end cap direction extension on outer end cap, limit rotor field spider or rotor further produces footpath
To perturbing, after perturbing disappearance, the radial clearance is recovered.
Further, the decelerator includes side board type planet carrier, sun gear, gear ring, engaged with sun gear and gear ring
Planetary gear；The sun gear couples with transmission main shaft, transmits the output torque or motor and brake of motor
Output torque；The gear ring is on the inside of the tubular elements on outer end cap；The side board type planet carrier passes through symmetrically arranged first
Bearing and second bearing are arranged on the inner side of the tubular elements on outer end cap, and the clutch shaft bearing and second bearing are located at tooth respectively
The both sides of circle.
Further, the side board type planet carrier is unilateral board-like planet carrier, its transmission main shaft through rotor field spider or
Sequentially pass through one away from outer face on the tubular elements on the inner face of rotor field spider and housing, or the outer face of the housing
End is provided with the side plate parallel with inner end cap, and side plate is provided with centre bore, and transmission main shaft one end is supported in housing by bearing
In the centre bore of end cap, the other end of transmission main shaft passes through in centre bore of the bearings on foregoing side plate.
Further, the gear ring is integrally formed with the tubular elements on outer end cap, the table in the tubular elements on outer end cap
Face；Or the tubular elements inner surface on the outer end cap is provided with annular boss, gear ring is pressed into and is fixed on the annular boss.
Further, the inner side of the inner end cap is provided with the first cooling passage, and the side wall is provided with the second coolant
Passage, the inner side of the outer end cap are provided with the 3rd cooling passage, first cooling passage, the second cooling passage and
The connection of three cooling passages cooperatively forms coolant circulation passage, for being radiated to motor.
Further, duct is provided with the stator core of the motor, cooling line is installed in duct, for supplying
Coolant is by take away the side wall and/or outer end cap and/or outer end cap of heat, coolant inlet and outlet positioned at housing.
Beneficial effects of the present invention：
(1) column is provided with the wheel hub motor in the present invention, it is achieved thereby that wheel hub motor does not stress in itself, extended
Service life, improve the reliability of wheel hub motor；And decelerator is fixed in the cavity of motor by bearing
On the inside of tubular elements on the outer end cap, the space-consuming of wheel hub motor can be effectively reduced so that wheel hub motor can be wide
It is general to be applied in many kart.
(2) motor or motor and brake are arranged on the input of decelerator by the present invention, so as to increase
The output torque of motor increases the output torque of motor and the braking moment of brake.Motor is subtracting
The quality of motor is advantageous to the stabilization of vehicle so as to reduce the unsprung mass of vehicle needed for can correspondingly reducing during fast device input
Property；Again improve the torque density of motor；Brake is in decelerator input, even if brake produces less braking and turned
Square can also meet brake request, and correspondingly, brake disc can reduce, and such brake disc small volume, light weight, cost are low, reduce
Vehicle nonspring carried mass, even without booster brake during braking, reduce production cost, reduce energy consumption, it is reliable to improve braking
Property.
(3) present invention has taken into full account vibration and influence of the impact to electric machine structure, by setting a gap to prevent motor
" sweeping thorax " phenomenon occurs, realizes fail safe function, substantially increases the stability and reliability of motor.
(4) present invention on housing by setting fin, and forms coolant using outer end cap, side wall and inner end cap and follow
Ring passage, the heat dispersion of the present invention can be greatly improved；Further, duct, duct are machined with the iron core of the stator
Middle installation cooling line, for supplying coolant by taking away heat, improving the reliability of wheel hub motor, improve wheel hub electricity
The environmental suitability of machine.
Brief description of the drawings
Fig. 1-1 is one of overall structure diagram of an embodiment of the present invention；
Fig. 1-2 is the two of the overall structure diagram of an embodiment of the present invention；
Fig. 2-1 is the outer surface schematic diagram of one of the structural representation of inner end cap in an embodiment of the present invention；
Fig. 2-2 is the structural representation of shoulder hole in Fig. 2-1；
Fig. 2-3 is the two of the structural representation of the inner end cap in an embodiment of the present invention；
Fig. 2-4 is the inner surface schematic diagram of one of the structural representation of inner end cap in a kind of example of the present invention；
Fig. 2-5 is the three of the structural representation of the inner end cap in an embodiment of the present invention；
Fig. 3 is the structural representation of the side wall in an embodiment of the present invention；
Fig. 4-1 is one of structural representation of outer end cap in an embodiment of the present invention；
Fig. 4-2 is the inner surface schematic diagram of one of the structural representation of outer end cap in an embodiment of the present invention；
Fig. 4-3 is the three of the structural representation of the outer end cap in an embodiment of the present invention；
Fig. 5-1 is one of structural representation of rotor field spider in an embodiment of the present invention；
Fig. 5-2 is the two of the structural representation of the rotor field spider in an embodiment of the present invention；
Fig. 5-3 is the three of the structural representation of the rotor field spider in an embodiment of the present invention；
Fig. 5-4 is one of structural representation of rotor in an embodiment of the present invention；
Fig. 5-5 is the two of the structural representation of the rotor in an embodiment of the present invention；
Fig. 5-6 is the three of the structural representation of the rotor in an embodiment of the present invention；
Fig. 6 is the structural representation of the stator in an embodiment of the present invention；
Fig. 7-1 is located at the structural representation of enclosure interior for the motor speed in an embodiment of the present invention or rotary angle transmitter
Figure；
Fig. 7-2 is located at the structural representation of hull outside for the motor speed in an embodiment of the present invention or rotary angle transmitter
Figure；
Fig. 8 is the structural representation of the board-like planet carrier of bilateral in an embodiment of the present invention；
Fig. 9 is the structural representation of the planet wheel spindle in an embodiment of the present invention；
Figure 10-1 is one of structural representation of gear ring in an embodiment of the present invention；
Figure 10-2 is the two of the structural representation of the gear ring in an embodiment of the present invention；
Figure 11 is the structural representation of the brake disc in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1-1 and 1-2, a kind of wheel hub motor with column, including housing 1, motor 2, decelerator 3,
Hub bearing 17 and transmission main shaft 5；
The housing 1 includes the side wall 103 of inner end cap 101, outer end cap 102, connection inner end cap 101 and outer end cap 102；Institute
State the tubular elements 1021 that outer end cap 102 is provided with the extension of the inside direction of end cap 101；The tubular elements 1021 are planetary reduction gear 3
Provide installing space；
The motor 2 is provided with cavity, and in the space being collectively forming by inner end cap 101 and outer end cap 102；
The decelerator 3 is located in the cavity of motor 2, and is fixed on the cylinder on the outer end cap 102 by bearing
The inner side of shape part 1021, the bearing can be conventional bearings or taper roll bearing/angular contact ball bearing/deep-groove ball
Bearing etc.；
The hub bearing 17 is located at the outside of outer end cap 102 on housing, and it includes wheel hub revolving part 1701 and wheel hub is consolidated
Determine part 1702, the wheel hub revolving part 1701 is connected with the output end of decelerator 3 by rotating shaft, and wheel hub revolving part 1701 is also used
It is connected in wheel rim, band motor car wheel rotates, and the wheel hub fixture 1702 is connected with column, column and the outer end cap on housing
102 are connected, and the column is provided with suspension mount point and/or steering linkage mount point, for installing suspension or turning machine
Structure；
The transmission main shaft 5 is between the rotor and decelerator 3 of motor 2, to utilize the increase driving electricity of decelerator 3
The output torque of machine 2.
In such scheme, motor 2 is arranged on to the input of decelerator 3, it is achieved thereby that increase motor 2
Output torque, even if motor 2 produce less output torque also can meet driving require, and wheel hub motor in itself not by
Power, effectively wheel hub motor can be protected to be not damaged by, increased the service life.
Inner end cap 101, outer end cap 102 and side wall 103 described in the embodiment of the present invention can be split-type designs (i.e. three
Chip), it is coupled between each other by screw/bolt etc.；Inner end cap 101 and side wall 103 can also be integrally formed, or will be outer
End cap 102 is integrally formed with side wall 103；In a kind of embodiment of the embodiment of the present invention, described inner end cap 101, outer end
Lid 102 and side wall 103 are split-type design, specifically：
As shown in Fig. 2-1~Fig. 2-5, the inner end cap 101 is unilateral plate, and the unilateral plate circumferencial direction is arranged with screw thread
Hole 1011, for being connected with the outer end cap 102 on housing 1 and side wall 103；And it is machined with shoulder hole at the center of inner end cap 101
1012, for installing bearing to support transmission main shaft 5, it is additionally operable to that seal, such as sealing ring, felt collar, to realize to axle are installed
The positioning of bearing outer-ring and sealing ring；The small volume of whole wheel hub motor, especially suitable for kart；Further, according to reality
Border demand, steering linkage mount point 1013, brake caliper mounting point 1014, electricity are also provided with the lateral wall of the unilateral plate
Cable interface 1015, data line interface 1016, the window 1017 for setting angle sensor, lubricating oil gateway 1018, breathing
Device interface 1019, the breathing equipment interface 1019 are used to realize and are connected with relief valve, intake valve and breathing equipment etc..
As shown in figure 3, the circumferencial direction of the side wall 103 is arranged with screwed hole 1031, for the outer end cap with housing 1
102 are connected with inner end cap 101, further, according to the actual requirements, steering linkage installation are also provided with the side wall 103
Point (being not drawn into figure), cable interface (not shown), data line interface (not shown), for setting angle sensor
Window (not shown), lubricating oil gateway (not shown), breathing equipment interface (not shown), relief valve
(not shown), intake valve (not shown) etc..
As shown in Fig. 4-1 and Fig. 4-2, the outer end cap 102 is by the side plate 1022 located at outside and the direction of inside end cap 101
The tubular elements 1021 of extension form；The circumferencial direction of side plate 1022 is arranged with screwed hole 1023, for the inner on housing 1
Lid 101 is connected with side wall 103；Further, according to the actual requirements, it is also provided with turning on the lateral wall of the side plate 1022
Pull bar mount point (not shown), cable interface (not shown), data line interface (not shown), for established angle
Window (not shown), lubricating oil gateway (1025), the breathing equipment interface of sensor are spent, the breathing equipment interface is used
In realization with waiting relief valve, intake valve and breathing equipment etc. to be connected；
In order to improve sealing property, the first groove 1026, inner end cap 101 are machined with the inner side outer ring of outer end cap 102
The second groove 1020 is machined with the outer ring of inner side, the circumferencial direction of the left and right sides of side wall 103 is machined with seal groove 1032, coordinate the
One groove 1026, the second groove 1020 and seal groove 1032 carry out sealant sealing.
Motor 2 described in the embodiment of the present invention includes rotor field spider 201, stator 202 and with cored rotor
203, such as：Magneto (surface-mount type, embedded), reluctance motor, induction machine etc., the stator 202 are arranged in connection
The inner side of side wall 103 of end cap and outer end cap, when specifically installing, can be placed with non-magnetic material between stator 202 and side wall 103
Expect (not shown), such as hard rubber, plastics, can play a part of every magnetic, absorb noise, sealing；The rotor field spider
It is made up of unilateral plate or is collectively constituted by unilateral plate with tubular elements, referring to Fig. 5-4；
Temperature sensor is also equipped with stator former, further, in the cavity that motor internal has lubricating oil
Temperature sensor is installed, plays detection motor temperature, prevents the effect of overheat.
As shown in fig. 5-1, when rotor field spider 201 is made up of unilateral plate 2011 and tubular elements 2012, its section can be such as " C "
Word, the iron core of rotor 203 are arranged on the outer surface of tubular elements 2012, and unilateral plate 2011 covers the cavity on rotor, and unilateral plate
2011 are provided with the through hole for being used for accommodating transmission main shaft 5, and the through hole is preferably disposed at the center of unilateral plate 2011；Further
Ground, the outer ring of tubular elements 2012 are machined with flange 2013, have both played a part of strengthening the intensity of tubular elements 2012, and play rotor 203
To positioning action, " C " font rotor field spider is suitable for small machine, and rotor internal cavity itself is little, tighter using C-shaped configuration
Gather；As shown in Fig. 5-2, when rotor field spider 201 is made up of unilateral plate 2011 and tubular elements 2012, its section can also be " work "
Can there be tubular elements 2012 font, the left and right of the vertical plate between being located therein, and I-shape construction is more stable, and I-shaped turns
Submounts are suitable for big motor, because the cavity that big rotor is formed is larger, intermediate supports plate side dress decelerator 3, separately
Other parts can be filled in the space of side, the outer ring of tubular elements 2012 is machined with flange 2013, has both played reinforcement tubular elements
The effect of 2012 intensity, and positioning action is played to rotor 203；During installation, it can be put between rotor 203 and rotor field spider 201
Non-magnet material, such as hard rubber, plastics are equipped with, can play a part of every magnetic, absorb noise, sealing.
As shown in Fig. 5-3, when rotor field spider 201 is made up of unilateral plate 2011, unilateral plate 2011 is fixed on the one of rotor 203
End, when it is implemented, the iron core of rotor 203 can be carried out into axial punching, connected using rod member, bolt etc. and unilateral plate 2011
Connect, and unilateral plate 2011 covers the cavity on rotor, unilateral plate 2011 is provided with the through hole for being used for accommodating transmission main shaft 5, described
Through hole is preferably disposed at the center of unilateral plate 2011；
It can be integral type or separate structure between foregoing rotor field spider 201 and transmission main shaft 5, work as rotor field spider
When 201 and transmission main shaft 5 are separate structure, the connected mode of the two can be the connection such as spline connection, keyway, corresponding
Hole machined is splined hole, keyway etc., i.e., the torque that motor 2 exports passes to transmission main shaft 5 by rotor field spider 201, passed
Dynamic main shaft 5 leads to again passes to sun gear.
Further, in order to strengthen the intensity of rotor field spider 201, at least one on the unilateral plate 2011, tubular elements 2012
There is reinforcement 2014 at place, meanwhile, foregoing reinforcement 2014 also has the function of stirring lubricating oil.
Further, in order to realize that dynamic balancing is adjusted, it is reserved with the unilateral plate 2011 of the rotor field spider for adjusting
Dynamically balanced structure, such as the raised points 2015 in Fig. 5-1-~Fig. 5-3, dynamic balancing is adjusted by being ground；
Further, when motor 2 and decelerator 3 do not seal individually, the unilateral plate 2011 of rotor field spider 201 can be with
Spoke-like is processed into, there is lightening hole 2016, mitigates weight；Oil duct can also be processed on rotor field spider 201 (in figure not show
Go out), be advantageous to the circulation of lubricating oil；When 2 independent lubricating of decelerator 3 and motor, the now one side of rotor field spider 201
Plate 2011 is complete plate, plays a part of isolation.In the embodiment of the present invention, the lubricating system of decelerator 3：Grease lubrication or oil
Lubrication；The lubricating system of motor 2 is oil lubrication.
As shown in figure 1, described decelerator 3 includes side board type planet carrier 301, sun gear 302, gear ring 303 and sun gear
302 and gear ring 303 engage planetary gear 304；The sun gear 302 couples with transmission main shaft 5, transmits the output of motor 2
The braking moment of the output torque and brake 4 of torque or motor；Cylinder of the gear ring 303 on outer end cap 102
The inner side of shape part 1021, the side board type planet carrier 301 are fixed on outer by symmetrically arranged clutch shaft bearing 6 and second bearing 16
The inner side of tubular elements 1021 on end cap 102, the clutch shaft bearing 6 and second bearing 16 are located at the both sides of gear ring 303 respectively, by
The two carries out spacing to gear ring 303；The clutch shaft bearing 6 and second bearing 16 can be single row configuration or double knot
Structure.
The gear of foregoing sun gear 302 can be spur gear, helical gear or people's row gear etc., preferably helical gear, the life-span
Long, load force is high, and noise reduction damping, cost in light weight is low, for coupling with transmission main shaft 5, is preferably made of one with transmission main shaft 5
Or it is attached by spline/key etc..
The side board type planet carrier 301 is the board-like planet carrier of bilateral or unilateral board-like planet carrier, preferably unilateral board-like row
Carrier, production cost can be reduced, in order to improve sealing property, between the side plate 3012 and the tubular elements 1021 of outer end cap 102
Seal is installed.
Can be monoblock type or non-integral as shown in figure 8, when the planet carrier board-like for bilateral of side board type planet carrier 301
Formula, it is machined with the bearing hole 306 of installation transmission main shaft spring bearing 305, and the spring bearing of sun gear is installed in planet carrier,
High concentricity can reduce noise and vibration, be completely eliminated the loss of transmission, close to the outer end cap 102 of housing 1 on planet carrier
Side plate 3012 on be correspondingly machined with the mounting hole 3013 of planet wheel spindle, can be separate type between the side plate 3012 and planet carrier
Structure or integral structure；In order to improve sealing property, the tubular elements 1021 of the side plate 3012 and outer end cap 102 it
Between seal is installed.The transmission main shaft 5 sequentially passes through the inner of the board-like planet carrier of bilateral, rotor field spider 201 and housing 1
Lid 101；The one end of transmission main shaft 5 is supported on by rolling bearing in the centre bore of the board-like planet carrier side plate of bilateral；Transmission main shaft 5
The other end is by bearings in the center of the inner end cap 101 of housing 1；The bearing at transmission main shaft both ends can be using normal
Bearing can bear the bearing of axial force or one of use and can bear the double-row bearing of left and right axial force, separately
One bearing is random.
When side board type planet carrier 301 is unilateral board-like planet carrier, when output end of the brake in decelerator, transmission master
Axle runs through rotor field spider；When input of the brake in decelerator, transmission main shaft is sequentially through the interior of rotor field spider and housing
End face, one end away from outer face is provided with parallel with inner end cap 101 on the tubular elements 1021 on the outer end cap 102 of the housing 1
Side plate 1027 (see Fig. 4-3), side plate 1027 is provided with centre bore, and the one end of transmission main shaft 5 is supported on housing 1 by rolling bearing
Inner end cap 101 centre bore in, the other end of transmission main shaft 5 passes through in centre bore of the bearings on the side plate 1027.
Or when side board type planet carrier 301 is unilateral board-like planet carrier, transmission main shaft sequentially passes through rotor field spider and shell
The inner face of body, transmission main shaft one end are fixed in the centre bore of rotor field spider, and the other end of transmission main shaft passes through bearings
In the centre bore of the inner end cap of housing.More specifically, transmission main shaft 5 sequentially passes through rotor field spider 201 and inner end cap 101；Pass
Dynamic one end of main shaft 5 is fixed in centre bore, the other end of transmission main shaft 5 by bearings in the centre bore of inner end cap 101,
Bearing outer ring is positioned by the boss that is processed in inner end cap centre bore, and bearing inner race is by the rotor field spider that is enclosed on transmission main shaft 5
Boss positioning at center.
The gear of the planetary gear 304 can be spur gear, helical gear or people's row gear etc., preferably helical gear, long lifespan,
Load force is high, noise reduction damping, and cost in light weight is low；It is preferred that three planetary gears 304, transmission stability are good；Further, planetary gear
Bearing is installed between 304 and planet wheel spindle 3041, wears and generates heat to reduce, such as needle bearing, cylinder roller bearing；Before
Stating bearing has two bearer rings：Inner ring or outer ring；Or only inner ring；Or only place needle roller without bearer ring；It is in addition, described
At least one groove 3042 is provided with planet wheel spindle 3041, lubricant such as lubricating grease is placed with groove 3042, for the lubrication of bearing,
It is specifically shown in Fig. 9.
As shown in Figure 10-1~Figure 10-2, the gear of the gear ring 303 can be spur gear, helical gear or people's row gear
Deng preferred helical gear, long lifespan, load force is high, noise reduction damping, and cost in light weight is low；On the gear ring 303 and outer end cap 102
Tubular elements 1021 be integrally formed, the inner surface of tubular elements 1021 on outer end cap 102, or on the outer end cap 102
The inner surface of tubular elements 1021 has annular boss 1028, and gear ring 303 is pressed into and is fixed on the annular boss 1028；Enter
One step, in order to improve the fastness of press fitting, axially small raised line can also be along the circumferential direction distributed on the periphery of gear ring 303
3031, so as to limit relative rotation of the ring gear 303 with the corresponding inwall of tubular elements 1021 by small raised line 3031, meanwhile, cylinder
The inwall of shape part 1021 is correspondingly arranged on axially small recessed bar, can also be extruded during press fitting by the small raised line 3031 of ring gear
Come；Coupling for gear ring 303 and the inwall of tubular elements 1021 can also be further reinforced by way of screw thread installation, on gear ring 303
Provided with screwed hole 3032, reduce axial force to displacement caused by gear ring 303.
A kind of wheel hub motor with column of the present invention, as shown in Fig. 1-1 and Figure 11, in addition to brake 4, the system
Dynamic device 4 is brake disc, it is preferable that its inner side is using the fan blade shape design axially dried, the brake disc in vehicle travel process
Blowing is rotated, is advantageous to motor radiating；Specifically, in an embodiment of the present embodiment, the brake disc installation is expert at
The output end of star decelerator 3, specifically：Brake disc is fixedly connected with wheel hub revolving part, when brake disc is connected with wheel hub, braking
It is to carry ring flange on disk, is bolted；Or brake disc is connected with decelerator output end, when brake disc is with slowing down
The output axis connection of device, brake disc have centre bore, are connected for the output shaft with decelerator by spline, key etc..Brake is straight
Connect and be fixedly connected with reducer output shaft,；In the other embodiment of the present embodiment, as shown in Fig. 1-2 and Figure 11, the system
Moving plate can also be arranged on the input of planetary reduction gear 3, in this way, the braking moment of brake 4 is put by decelerator 3
Greatly, brake disc, which produces less braking moment, can also meet brake request, and correspondingly, brake disc can reduce, such brake disc
Small volume, light weight, cost are high.
Between transmission main shaft 5 and inner end cap 101 in the embodiment of the present invention, transmission main shaft 5 and side board type planet carrier 301 pacify
Bearing is equipped between dress hole, between the inwall of tubular elements 1021 of the periphery of planet carrier and outer end cap 102, preferably is selected from seal shaft
Hold；Between transmission main shaft 5 and inner end cap 101, between transmission main shaft 5 and planet carrier sun gear bearing mounting hole 307, lubricating oil adds
Seal is equipped with adding mouthful.
In order to improve stability, a kind of described wheel hub motor with column, in addition to the first locating part 7；Described
One locating part 7 is bonded with the lateral wall of the bearing 6 for fixing decelerator close to outer end cap 102, for by bearing and gear ring
303 or it is close to the annular boss of the inner surface of tubular elements 1021 on the outer end cap 102, suitable for assembling from left to right
Mode；Further, described a kind of wheel hub motor with column, in addition to the second locating part, the 3rd locating part and the 4th
Locating part；The locating part of first locating part 7 and second is respectively arranged on the both sides of the bearing close to outer end cap 102；Described 3rd
Locating part and the 4th locating part are respectively arranged on the both sides of another bearing；Wherein, first locating part 7 can be and decelerator
The boss of the side plate integrated design of close outer end cap 102 on 3；Or it is the side plate with close outer end cap 102 on decelerator 3
Connected back-up ring part (bearing positioning ring).When it is implemented, close to the outer ring for being used to fix the bearing of decelerator of outer end cap 102
Spacing by the boss on decelerator 3, inner ring is by gear ring or retainer ring spacing；The outer ring of bearing away from outer end cap 102 by gear ring or
Retainer ring spacing, inner ring are spacing by the shaft shoulder/on planet carrier or by installing circlip.It is real in the another kind of the embodiment of the present invention
Apply in mode, first locating part 7 is bonded with the lateral wall of bearing away from outer end cap 102, for by bearing and gear ring 303
Or the annular boss of the inner surface of tubular elements 1021 on the outer end cap 102 is close to, suitable for assembly method from right to left.
In a kind of embodiment of the embodiment of the present invention, the wheel hub motor also includes motor speed or rotary angle transmitter
8, it is arranged on the outside (referring to Fig. 7-2) of wheel hub motor or internal (referring to Fig. 7-1), the motor speed or rotation angular sensing
The motion parts 801 of device couple with transmission main shaft 5 or rotor field spider 201 or rotor, and its stationary part 802 is arranged on housing
In 1 inner end cap 101, wire exports via foregoing cable data line interface.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：The motor includes rotor field spider 201, stator 202 and permanent magnetism
Iron 205, the stator 202 are arranged on the inner side of side wall 103 of connection inner end cap and outer end cap, and the rotor field spider 201 is by one side
Plate 2011 forms with tubular elements 2012, and the permanent magnet 205 is located at the outer surface of tubular elements 2012, forms the rotor of magneto
Structure, referring specifically to Fig. 5-5.
Or the motor is induction machine, including stator 202 and cage-type rotor 204, the stator 202 are arranged on
Connect the inner side of side wall 103 of inner end cap and outer end cap, the cage-type rotor 204 includes unilateral plate 2041, short-circuited conducting sleeve 2042 and extremely
Few circle sliver 2043, the both ends of the sliver 2043 are connected with short-circuited conducting sleeve 2042 and unilateral plate 2041 respectively；Referring specifically to figure
5-6。
Embodiment 3
Based on embodiment 1 or 2 in order to improve heat dispersion, can by individually or collocation using following three kinds of schemes come
Realize, specifically：
The first scheme is：
As shown in Fig. 2-3, Fig. 3, Fig. 4-1, the outer surface of the side plate of the outer end cap 102 is provided with the radiating ribs of fin 9/
Piece/reinforcement, the outer surface of the inner end cap 101 are machined with 10/ radiation rib of fin/reinforcement；The side wall 103
Outer surface is provided with fin/radiation rib/reinforcement, and this scheme can also improve the intensity of housing 1；
Second scheme is：
As shown in Fig. 2-4, Fig. 3, Fig. 4-2, the inner side of the inner end cap 101 is provided with the first cooling passage 11, the side
Wall 103 is provided with the second cooling passage 12, and the inner side of the outer end cap 102 is provided with the 3rd cooling passage 13, and described first
Cooling passage 11, the second cooling passage 12 connect with the 3rd cooling passage 13 and cooperatively form coolant circulation passage, use
Radiated in motor 2；Or the inner side of the inner end cap 101 is provided with the first cooling passage 11, the side wall 103
The second cooling passage 12 is provided with, first cooling passage 11 connects with the second cooling passage 12 and cooperatively forms cooling
Liquid circulation canal, for being radiated to motor 2；Or the inner side of the outer end cap 102 is provided with the 3rd cooling passage
13, the side wall 103 is provided with the second cooling passage 12, the 3rd cooling passage 13 and the second cooling passage 12
Connection cooperatively forms coolant circulation passage, for being radiated to motor 2.
The third scheme is：
As shown in fig. 6, being machined with duct in the iron core of the stator, cooling line 2021 is installed, for cooling in duct
But liquid is by taking away heat, coolant inlet and outlet can be arranged in the side wall 103 of housing 1, can also be in housing 1
On outer end cap 102 or inner end cap 101.
Embodiment 4
Because the rotor in embodiment 1-3 is equivalent to vacantly rotating, in order to provide support to rotor, prevent rotor from existing
Occur radially to perturb during rotation and cause stator and rotor to contact and produce " sweeping thorax ", based on embodiment 1-3, one kind of the present embodiment is real
Apply in mode, a kind of described wheel hub motor with column, in addition to a pair of bearings 14, when rotor field spider 201 is by unilateral plate
2011 with tubular elements 2012 form when, the bearing 14 is located between rotor field spider 201 and the tubular elements 1021 of outer end cap 102,
For supporting rotor；When rotor field spider 201 is made up of unilateral plate 2011, the bearing 14 is located at the tubular of rotor and outer end cap
Between part 1021.
In the another embodiment of the present embodiment, when rotor field spider 201 is by 2012 groups of unilateral plate 2011 and tubular elements
Cheng Shi, a radial clearance inwardly is provided between the tubular elements 1021 of end cap direction extension on the tubular elements 2011 and outer end cap, when
Rotor field spider 201 produces gap when radially perturbing and is eliminated, the tubular elements 2012 of rotor field spider and inside end cap side on outer end cap
Contacted to the tubular elements 1021 of extension, limitation rotor field spider 201, which further produces, radially to be perturbed, after perturbing disappearance, between the radial direction
Gap is recovered；
When rotor field spider 201 is made up of unilateral plate 2011, rotor and the tubular that inwardly end cap direction extends on outer end cap
A radial clearance is provided between part 1021, gap is eliminated when rotor, which produces, radially to be perturbed, rotor and inboard end on outer end cap
The tubular elements 1021 of lid direction extension are contacted, and limitation rotor, which further produces, radially to be perturbed, and after perturbing disappearance, the radial clearance is extensive
It is multiple；For preventing rotor occurs radially to perturb when rotated from causing stator and rotor to contact and produce " sweeping thorax ".
Its with it is identical with embodiment 1-3.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (12)
- A kind of 1. wheel hub motor with column, it is characterised in that：Including housing, motor, decelerator, hub bearing, vertical Post and transmission main shaft；The housing includes the side wall of inner end cap, outer end cap, connection inner end cap and outer end cap；The outer end cap is provided with inboard end The tubular elements of lid direction extension；The motor is provided with cavity, and in the space being collectively forming by inner end cap and outer end cap；The decelerator is located in the cavity of motor, is arranged on by bearing on the inside of the tubular elements on the outer end cap；For the hub bearing located at the outside of outer end cap on housing, it includes wheel hub revolving part and wheel hub fixture, the wheel hub Revolving part is connected with the output end of decelerator by rotating shaft, and wheel hub revolving part is used to fix with wheel rim, and band motor car wheel rotates, institute State wheel hub fixture with column to be connected, column is connected with the outer end cap on housing；Suspension mount point is installed on the column；The transmission main shaft is between the rotor and decelerator of motor, to utilize the output of decelerator increase motor Moment of torsion.
- A kind of 2. wheel hub motor with column according to claim 1, it is characterised in that：Also include brake, it is described Brake is connected on the outside of inner end cap on housing with the input of decelerator by transmission main shaft；Or the brake is set On the outside of outer end cap on housing, the brake is connected on wheel hub revolving part with the output end of decelerator by rotating shaft； Or the brake is connected with the output end of decelerator.
- A kind of 3. wheel hub motor with column according to claim 1, it is characterised in that：The motor includes fixed Son, rotor field spider and with cored rotor, the stator are arranged on connection inner end cap and the inside sidewalls of outer end cap, described turn Submounts are made up of unilateral plate or collectively constituted by unilateral plate with tubular elements；It is unilateral when rotor field spider is made up of unilateral plate Plate is fixed on one end of rotor, and covers the cavity on rotor, and unilateral plate is provided with the through hole for being used for accommodating transmission main shaft；When turn When submounts are made up of unilateral plate and tubular elements, the iron core of rotor is arranged on the outer surface of tubular elements, and unilateral plate is covered on rotor Cavity, and unilateral plate is provided with and is used to accommodate the through hole of transmission main shaft.
- A kind of 4. wheel hub motor with column according to claim 1, it is characterised in that：The motor is sensing Motor, including stator and cage-type rotor, the stator are arranged on connection inner end cap and the inside sidewalls of outer end cap, and the cage modle turns Attached bag includes unilateral plate, short-circuited conducting sleeve and at least one circle sliver, and the both ends of the sliver are connected with short-circuited conducting sleeve and unilateral plate respectively；Or The motor includes stator, rotor field spider and permanent magnet, and the stator is arranged on connection inner end cap and the side wall of outer end cap Inner side, the rotor field spider are made up of unilateral plate with tubular elements, and the permanent magnet is located at the outer surface of tubular elements, form Permanent Magnet and Electric The rotor structure of machine.
- A kind of 5. wheel hub motor with column according to claim 3 or 4, it is characterised in that：When rotor field spider is by list When side plate and tubular elements form, tubular elements at least one end is provided with the flange to extend radially outwardly, to strengthen tubular elements intensity, simultaneously It is spacing to rotor.
- A kind of 6. wheel hub motor with column according to claim 3 or 4, it is characterised in that：Also include a bearing, when When rotor field spider is made up of unilateral plate and tubular elements, the bearing is used between rotor field spider and the tubular elements of outer end cap Support rotor；When rotor field spider is made up of unilateral plate, the bearing is between rotor and the tubular elements of outer end cap.
- A kind of 7. wheel hub motor with column according to claim 3 or 4, it is characterised in that：The rotor field spider Be provided with a radial clearance between the tubular elements of inside end cap direction extension on tubular elements or rotor and outer end cap, when rotor field spider or Person's rotor produces gap when radially perturbing and is eliminated, and the tubular elements or rotor of rotor field spider prolong with inside end cap direction on outer end cap The tubular elements contact stretched, limits rotor field spider or rotor is further produced and radially perturbed, and after perturbing disappearance, the radial clearance is extensive It is multiple.
- A kind of 8. wheel hub motor with column according to any one of claim 1-5, it is characterised in that：The deceleration Device includes side board type planet carrier, sun gear, gear ring, the planetary gear engaged with sun gear and gear ring；The sun gear is led with transmission Axle couples, and transmits the output torque or the output torque of motor and brake of motor；The gear ring is located at outer end On the inside of the tubular elements covered；The side board type planet carrier is arranged on outer end cap by symmetrically arranged clutch shaft bearing and second bearing On tubular elements inner side, and the clutch shaft bearing and second bearing respectively be located at gear ring both sides.
- A kind of 9. wheel hub motor with column according to claim 8, it is characterised in that：The side board type planet carrier is Unilateral board-like planet carrier, its transmission main shaft through rotor field spider either sequentially pass through rotor field spider and housing inner face or One end away from outer face is provided with the side plate parallel with inner end cap on tubular elements on the outer face of the housing, and side plate is provided with Centre bore, transmission main shaft one end are supported on by bearing in the centre bore of the inner end cap of housing, and the other end of transmission main shaft passes through In centre bore of the bearings on foregoing side plate.
- A kind of 10. wheel hub motor with column according to claim 8, it is characterised in that：The gear ring and outer end cap On tubular elements be integrally formed, the tubular elements inner surface on outer end cap；Or the tubular elements inner surface on the outer end cap Provided with annular boss, gear ring is pressed into and is fixed on the annular boss.
- A kind of 11. wheel hub motor with column according to claim 1, it is characterised in that：The inner side of the inner end cap Provided with the first cooling passage, the side wall is provided with the second cooling passage, and the inner side of the outer end cap is provided with the 3rd cooling Liquid passage, first cooling passage, the second cooling passage and the connection of the 3rd cooling passage cooperatively form coolant and followed Ring passage, for being radiated to motor.
- A kind of 12. wheel hub motor with column according to claim 1 or 11, it is characterised in that：The motor Stator core in be provided with duct, cooling line is installed in duct, for for coolant by take away heat, coolant Entrance and exit is located at the side wall and/or outer end cap and/or outer end cap of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537261.0A CN107453538B (en) | 2017-07-04 | 2017-07-04 | Hub motor with stand column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537261.0A CN107453538B (en) | 2017-07-04 | 2017-07-04 | Hub motor with stand column |
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| CN107453538B CN107453538B (en) | 2023-05-26 |
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| CN201710537261.0A Active CN107453538B (en) | 2017-07-04 | 2017-07-04 | Hub motor with stand column |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| CN110311508A (en) * | 2018-03-27 | 2019-10-08 | 本田技研工业株式会社 | Electric rotating machinery apparatus and the vehicle for having electric rotating machinery apparatus |
| WO2020181466A1 (en) * | 2019-03-11 | 2020-09-17 | 舍弗勒技术股份两合公司 | Hub motor driving system and motor vehicle |
| CN112373242A (en) * | 2020-11-16 | 2021-02-19 | 黑龙江省农业机械工程科学研究院 | Self-propelled platform for field test of variable-wheel-track four-wheel-drive agricultural machine |
| WO2024060964A1 (en) * | 2022-09-22 | 2024-03-28 | 上海盘毂动力科技股份有限公司 | Wheel hub driving assembly |
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| CN105691103A (en) * | 2014-11-28 | 2016-06-22 | 舍弗勒技术有限两合公司 | Hub driving assembly |
| CN105691184A (en) * | 2014-11-24 | 2016-06-22 | 舍弗勒技术有限两合公司 | Wheel hub driving assembly |
| CN207459910U (en) * | 2017-07-04 | 2018-06-05 | 江苏派迪车辆技术有限公司 | A kind of wheel hub motor with column |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105691184A (en) * | 2014-11-24 | 2016-06-22 | 舍弗勒技术有限两合公司 | Wheel hub driving assembly |
| CN105691103A (en) * | 2014-11-28 | 2016-06-22 | 舍弗勒技术有限两合公司 | Hub driving assembly |
| CN207459910U (en) * | 2017-07-04 | 2018-06-05 | 江苏派迪车辆技术有限公司 | A kind of wheel hub motor with column |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311508A (en) * | 2018-03-27 | 2019-10-08 | 本田技研工业株式会社 | Electric rotating machinery apparatus and the vehicle for having electric rotating machinery apparatus |
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| CN108599451B (en) * | 2018-06-27 | 2024-01-26 | 沈阳工业大学 | Enhanced heat transfer structure of hub motor for electric automobile |
| WO2020181466A1 (en) * | 2019-03-11 | 2020-09-17 | 舍弗勒技术股份两合公司 | Hub motor driving system and motor vehicle |
| CN112373242A (en) * | 2020-11-16 | 2021-02-19 | 黑龙江省农业机械工程科学研究院 | Self-propelled platform for field test of variable-wheel-track four-wheel-drive agricultural machine |
| WO2024060964A1 (en) * | 2022-09-22 | 2024-03-28 | 上海盘毂动力科技股份有限公司 | Wheel hub driving assembly |
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| Publication number | Publication date |
|---|---|
| CN107453538B (en) | 2023-05-26 |
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