CN107444007B - A kind of electric wheel and vehicle with built-in suspension - Google Patents
A kind of electric wheel and vehicle with built-in suspension Download PDFInfo
- Publication number
- CN107444007B CN107444007B CN201710713305.0A CN201710713305A CN107444007B CN 107444007 B CN107444007 B CN 107444007B CN 201710713305 A CN201710713305 A CN 201710713305A CN 107444007 B CN107444007 B CN 107444007B
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- Prior art keywords
- wheel
- suspension
- vehicle frame
- built
- coupling
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single 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
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/422—Driving wheels or live axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/30—In-wheel mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/50—Electric vehicles; Hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/20—Stationary vehicle
-
- 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
Landscapes
- 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 present invention proposes a kind of electric wheel with built-in suspension, is related to electric vehicle technical field.It uses the axletree with the vehicle frame overhanging beam of vehicle frame rigid attachment substitution conventional wheel, and built-in suspension is in wheel, and one end of which is fixed on vehicle frame overhanging beam, the other end is coupled by bearing with the wheel rim of wheel；Driving motor is mounted on vehicle frame overhanging beam, and rotor is coupled with the wheel rim of wheel by flexible coupling, realizes torque transmission and wheel driving.The present invention is due to using in-wheel suspension structure, and driving motor is mounted on vehicle frame overhanging beam, so that wheel power device mass transitions be suspension spring carried mass part, overcome existing electric wheel because driving motor increase wheel mass caused by suspension unsprung mass increase, wheel dynamic response capability is poor the problem of.The vehicle run stability and ride comfort that the present invention can effectively improve.
Description
Technical field
The invention belongs to electric vehicle technical field, more particularly, to a kind of electric wheel with built-in suspension with
And vehicle.
Background technology
Electric wheel is a kind of by motor-driven wheel technology, by motor power and its transmission device and wheel collection
Into, realize that the distributed of vehicle drives, simplified vehicle structure, raising road holding, therefore electric wheel technology is by people
Most attention.
Existing electric wheel overall structure includes wheel ontology, motor and its transmission mechanism, is integrated on axletree,
Axletree is coupled by suspension with vehicle frame.Itself the disadvantage is that, on the axletree of electric wheel due to increase driving motor and its
The quality of transmission parts so that the unsprung mass of gross mass, that is, suspension of axletree increases, and the dynamic response capability of wheel is deteriorated,
So-called vertical negative effect is generated, reduces stability, the comfortableness and security of vehicle.
Therefore, it is necessary to develop new electric wheel or the relevant technologies, to eliminate electric wheel when the integrated power device
The adverse effect that suspension unsprung mass increase is caused to bring, this has the driving performance for improving electric vehicle wd vehicle important
Effect.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of electric vehicles with built-in suspension
Wheel and vehicle, it is intended that proposing a kind of electric vehicle wheels arrangement with built-in suspension, which can reduce vehicle
The unsprung mass of suspension effectively improves the dynamic response capability of wheel, and then improves vehicle run stability and ride comfort energy.
To achieve the above object, one side according to the invention provides a kind of electric wheel with built-in suspension,
It includes wheel ontology, built-in suspension, driving motor, flexible coupling, vehicle frame overhanging beam, swivel bearing and rotor of output shaft axle,
Wherein,
Vehicle frame overhanging beam one end is fixed on vehicle frame, and one end is stretched into wheel to be connected with the component being arranged in wheel, interior
Built-in suspension is put in wheel, one end of which is fixed on vehicle frame overhanging beam, the other end passes through swivel bearing and the wheel of wheel ontology
Rim couples, and is achieved in hanging in wheel of the wheel ontology relative to vehicle frame overhanging beam, and driving motor is mounted on vehicle frame overhanging beam,
The rotor of output shaft axle of motor is coupled by flexible coupling with the wheel rim of wheel ontology, and then is realized and be installed on vehicle frame overhanging beam
Driving motor to being in the driving and transmission of the wheel ontology under elastic damping motion state.
Further, an end face of wheel ontology is provided with the fixation disk of annular, and flexible coupling also in annular shape, turns
The end of sub- output shaft is also equipped with annular and transmits disk, and the annular of the end of shaft output shaft transmits flexibility of the disk by circular ring shape
Shaft coupling connects wheel ontology, realizes the driving to wheel ontology, the stator of driving motor then passes through vehicle frame overhanging beam and vehicle frame
Connection.
Further, flexible coupling is Inelastic element flexible shaft coupling or is the flexible coupling that has elastic component,
Inelastic element flexible shaft coupling includes cross slider type shaft coupling, oldham coupling, gear coupling, universal-joint-pin type universal connection
Axis device and roller chain coupling, the flexible coupling that has elastic component include rubbercushioned sleeve bearing coupling, elastic dowel pin shaft coupling, star
Shape yielding coupling and Quincunx elastic coupler.
Further, the driving motor carries speed changer or deceleration device, for adjusting output torque.
Further, the built-in suspension has the function of there is damping and spring damping, is also configured with lead and cunning
Block, lead and sliding block composition prismatic pair, play built-in suspension movement supporting role.
The second aspect according to the invention also provides a kind of electric vehicle, including electric wheel as described above.
In general, by the above technical scheme conceived by the present invention compared with prior art, it can obtain down and show
Beneficial effect：
Suspension is placed in wheel by electric wheel of the present invention, driving motor due to being directly installed on vehicle frame overhanging beam, so as to
The spring carried mass of suspension is converted into, the unsprung mass of suspension is thus only comprising wheels body constructions such as wheel rims.Therefore, it is of the invention
The unsprung mass of electric wheel suspension does not increase not only, is reduced instead, efficiently solves existing electric wheel technology
The problem of suspension unsprung mass increases, wheel dynamic response capability is poor, but also with more better than existing standard machinery wheel
Dynamic response performance.
Description of the drawings
Fig. 1 is the structure principle chart of electric wheel in the embodiment of the present invention；
Fig. 2 is the structure chart of electric wheel in the embodiment of the present invention, and (a) is the overall diagram of electric vehicle wheels arrangement, and (b) is electronic
The exploded view of car wheel structure.
In all the appended drawings, identical reference numeral is used for representing identical element or structure, wherein：
Suspension 3- driving motors built in 1- wheel ontologies 2-
4- flexible coupling 5- vehicle frame overhanging beam 6- bearings
7- rotor of output shaft axle 8- lead 9- sliding blocks
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
Fig. 1 is the structure principle chart of electric wheel in the embodiment of the present invention, as seen from the figure, electric wheel by wheel ontology 1,
Built-in suspension 2, driving motor 3, flexible coupling 4, vehicle frame overhanging beam 5, bearing 6 and rotor of output shaft axle 7 form.Electric wheel knot
In structure, the wheel shaft of conventional wheel is replaced using the vehicle frame overhanging beam 5 with vehicle frame rigid attachment；Built-in suspension 2 is built in wheel,
One end is fixed on vehicle frame overhanging beam 5, and the other end is coupled by swivel bearing 6 with the wheel rim of wheel ontology 1, it is thus achieved that vehicle
It takes turns in wheel of the ontology 1 relative to vehicle frame overhanging beam 5 and hangs；Driving motor 3 is mounted on vehicle frame overhanging beam 5, and the rotor of motor is defeated
Shaft 7 is coupled by flexible coupling 4 with the wheel rim of wheel ontology 1, and then realizes the driving electricity being installed on vehicle frame overhanging beam 5
Machine 3 is to being in the driving and transmission of the wheel ontology 1 under elastic damping motion state.
Wherein, the wheel ontology 1 being suspended on vehicle frame overhanging beam 5 by built-in suspension 2 be shock-absorbing spring spring under matter
Amount, unsprung mass no longer includes the axletree quality in standard machinery wheel, thus is compared with existing machinery wheel, built-in suspension
2 unsprung mass does not increase not only, is reduced instead.Correspondingly, driving motor 3 is due to being directly installed on vehicle frame overhanging beam
On 5, so as to be converted into the spring carried mass of built-in suspension 2.Therefore, electric wheel shown in FIG. 1 efficiently solves existing electric vehicle
The problem of suspension unsprung mass of wheel technology increases, wheel dynamic response capability is poor, but also with than existing standard machinery vehicle
Take turns better dynamic response performance.
Fig. 2 is the structure chart of electric wheel in the embodiment of the present invention, and (a) is the overall diagram of electric vehicle wheels arrangement, and (b) is electronic
The exploded view of car wheel structure.As seen from the figure, electric wheel is by wheel ontology 1, in-wheel suspension 2, driving motor 3, flexible coupling
4th, vehicle frame overhanging beam 5, bearing 6, rotor of output shaft axle 7, lead 8 and sliding block 9 form.Wherein, in-wheel suspension 2 passes through bearing 6
Couple with wheel ontology 1, bearing 6 is jointly mounted at the annular inner wall of wheel ontology 1；One end of vehicle frame overhanging beam 5 is fixed on
On in-wheel suspension 2, the other end and vehicle frame rigid attachment；The rotor of output shaft axle 7 of driving motor 3 passes through flexible coupling 4 and wheel
Ontology 1 couples.Wherein, an end face of wheel ontology 1 is provided with the fixation disk of annular, and flexible coupling also in annular shape, turns
The end of axis output shaft 7 is also equipped with annular and transmits disk, and the end of shaft output shaft 7 is also equipped with annular transmission disk and passes through annulus
The flexible coupling 4 of shape connects wheel ontology 1, realizes the driving to wheel ontology 1, the stator of driving motor 3 then passes through vehicle frame
Overhanging beam 5 couples with vehicle frame.
In one embodiment of the invention, Inelastic element flexible shaft coupling, such as cross both can be used in flexible coupling 4
Sliding block type coupler, oldham coupling, gear coupling, universal coupling with spider, roller chain coupling or there is bullet
Property element flexible coupling, such as rubbercushioned sleeve bearing coupling, elastic dowel pin shaft coupling, star-shaped elastic coupling, quincunx elasticity
Shaft coupling.
In the present invention there are one in embodiment, driving motor 3 can be accompanied with speed changer or deceleration device.Speed changer subtracts
Fast device and 3 becoming one structure of driving motor, also can by positive coupling by the input shaft of speed changer or retarder and
The rotor of output shaft axle 7 of driving motor 3 couples, then the output shaft of speed changer or retarder is coupled with flexible coupling 4, realizes electricity
Transmission of the machine to wheel ontology 1.
In the present invention there are one in embodiment, built-in suspension 2 may be used also in addition to damping and spring shock absorption functional structure
To be configured with guiding mechanism, prismatic pair is formed by lead 8 and sliding block 9, movement supporting role is risen to built-in suspension 2.
The electric wheel with built-in suspension of the present invention uses and replaces biography with the vehicle frame overhanging beam of vehicle frame rigid attachment
The axletree of system wheel, built-in suspension is in wheel, and one end of which is fixed on vehicle frame overhanging beam, the other end passes through bearing and wheel
Wheel rim connection；Driving motor is mounted on vehicle frame overhanging beam, and rotor is coupled with the wheel rim of wheel by flexible coupling, real
Existing torque transmission and wheel driving.
The present invention is mounted on due to using in-wheel suspension structure, and by driving motor on vehicle frame overhanging beam so that wheel moves
The mass transitions of power apparatus are the spring carried mass part of suspension, overcome existing electric wheel because driving motor increases wheel mass
Caused by suspension unsprung mass increase, the problem of wheel dynamic response capability is poor.The vehicle traveling that the present invention can effectively improve
Stability and ride comfort.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc., should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of electric wheel with built-in suspension, which is characterized in that it includes wheel ontology (1), built-in suspension (2), drives
Dynamic motor (3), flexible coupling (4), vehicle frame overhanging beam (5), swivel bearing (6) and rotor of output shaft axle (7), wherein,
Vehicle frame overhanging beam (5) one end is fixed on vehicle frame, and one end is stretched into wheel to be connected with the component being arranged in wheel,
Built-in suspension (2) is built in wheel, and one end of which is fixed on vehicle frame overhanging beam (5), the other end passes through swivel bearing (6)
Couple with the wheel rim of wheel ontology (1), be achieved in wheel interior suspension of the wheel ontology (1) relative to vehicle frame overhanging beam (5),
Built-in suspension (2) has damping and spring shock absorption functional structure, is also configured with guiding mechanism, guiding mechanism is by lead
(8) it is set on lead (8) with sliding block (9) composition, sliding block (9), guiding mechanism is used to play built-in suspension (2) movement bearing
Effect,
For driving motor (3) on vehicle frame overhanging beam (5), the rotor of output shaft axle (7) of motor passes through flexible coupling (4) and vehicle
The wheel rim connection of ontology (1) is taken turns, and then realizes the driving motor (3) being installed on vehicle frame overhanging beam (5) to being in elastic damping
The driving and transmission of wheel ontology (1) under motion state.
A kind of 2. electric wheel with built-in suspension as described in claim 1, which is characterized in that the one of wheel ontology (1)
A end face is provided with the fixation disk of annular, and also in annular shape, the end of rotor of output shaft axle (7) is also equipped with flexible coupling (4)
Annular transmits disk, and the annular of the end of rotor of output shaft axle (7) transmits disk and connects wheel sheet by the flexible coupling (4) of circular ring shape
Body (1), realizes the driving to wheel ontology (1), and the stator of driving motor (3) is then coupled by vehicle frame overhanging beam (5) with vehicle frame.
3. a kind of electric wheel with built-in suspension as claimed in claim 2, which is characterized in that flexible coupling (4) is
Inelastic element flexible shaft coupling is the flexible coupling that has elastic component,
Inelastic element flexible shaft coupling include cross slider type shaft coupling, gear coupling, universal coupling with spider and
Roller chain coupling,
The flexible coupling that has elastic component include rubbercushioned sleeve bearing coupling, elastic dowel pin shaft coupling, star-shaped elastic coupling and
Quincunx elastic coupler.
A kind of 4. electric wheel with built-in suspension as claimed in claim 3, which is characterized in that the driving motor (3)
With deceleration device, for adjusting output torque, the deceleration device is speed changer.
5. a kind of electric vehicle, which is characterized in that it includes the electric wheel as described in one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710713305.0A CN107444007B (en) | 2017-08-18 | 2017-08-18 | A kind of electric wheel and vehicle with built-in suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710713305.0A CN107444007B (en) | 2017-08-18 | 2017-08-18 | A kind of electric wheel and vehicle with built-in suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107444007A CN107444007A (en) | 2017-12-08 |
| CN107444007B true CN107444007B (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710713305.0A Active CN107444007B (en) | 2017-08-18 | 2017-08-18 | A kind of electric wheel and vehicle with built-in suspension |
Country Status (1)
| Country | Link |
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| CN (1) | CN107444007B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045446A (en) * | 2017-12-18 | 2018-05-18 | 南京航空航天大学 | A kind of two-wheel edge endless-track vehicle mechanical elasticity bogie wheel and its method of work |
| CN108407601B (en) * | 2018-02-11 | 2019-11-08 | 清华大学 | A kind of built-in suspension and position restraint-type driven motor wheel of In-wheel motor driving |
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| CN202200826U (en) * | 2011-11-10 | 2012-04-25 | 浙江达世元电动科技有限公司 | All-electric wheel assembly |
| WO2012132721A1 (en) * | 2011-03-28 | 2012-10-04 | アイシン・エィ・ダブリュ株式会社 | In-wheel motor drive device |
| CN103921637A (en) * | 2014-04-29 | 2014-07-16 | 重庆大学 | Inner vibration absorbing device of high-speed electric wheel and electric wheel |
| CN104290593A (en) * | 2012-01-18 | 2015-01-21 | 华南理工大学 | Built-in suspended integrated type hub motor drive electric wheel |
| CN104626964A (en) * | 2014-12-16 | 2015-05-20 | 武汉理工大学 | Integrated electric wheel integrating driving function, braking function, suspension function and steering function |
| CN204623116U (en) * | 2015-05-30 | 2015-09-09 | 谷伟 | A kind of automobile electrical motor car wheel |
| CN105966228A (en) * | 2016-05-11 | 2016-09-28 | 同济大学 | Light-weight structure of electric wheel in which torsional vibration damper is arranged |
-
2017
- 2017-08-18 CN CN201710713305.0A patent/CN107444007B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1380459A1 (en) * | 2001-04-16 | 2004-01-14 | Kabushiki Kaisha Bridgestone | Fixing method of in-wheel motor and in-wheel motor system |
| WO2012132721A1 (en) * | 2011-03-28 | 2012-10-04 | アイシン・エィ・ダブリュ株式会社 | In-wheel motor drive device |
| CN202200826U (en) * | 2011-11-10 | 2012-04-25 | 浙江达世元电动科技有限公司 | All-electric wheel assembly |
| CN104290593A (en) * | 2012-01-18 | 2015-01-21 | 华南理工大学 | Built-in suspended integrated type hub motor drive electric wheel |
| CN103921637A (en) * | 2014-04-29 | 2014-07-16 | 重庆大学 | Inner vibration absorbing device of high-speed electric wheel and electric wheel |
| CN104626964A (en) * | 2014-12-16 | 2015-05-20 | 武汉理工大学 | Integrated electric wheel integrating driving function, braking function, suspension function and steering function |
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| Publication number | Publication date |
|---|---|
| CN107444007A (en) | 2017-12-08 |
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