CN102555771A - Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass - Google Patents
Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass Download PDFInfo
- Publication number
- CN102555771A CN102555771A CN2012100112421A CN201210011242A CN102555771A CN 102555771 A CN102555771 A CN 102555771A CN 2012100112421 A CN2012100112421 A CN 2012100112421A CN 201210011242 A CN201210011242 A CN 201210011242A CN 102555771 A CN102555771 A CN 102555771A
- Authority
- CN
- China
- Prior art keywords
- motor
- reducer shell
- vibration absorber
- dynamic vibration
- mass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass. A motor is suspended on a speed reducer shell through a buffer of a dynamic vibration absorber spring, the mass of the motor is converted into the mass of the dynamic vibration absorber, and power is output by the motor, passes through a primary reduction gear pair, a middle shaft, a secondary reduction gear pair, a half shaft and a hub, and is finally transferred to a rim to drive a vehicle. The system has the advantage that the motor mass is converted into the dynamic vibration absorber mass, so the dynamic vibration absorber is free from limitation of wheel space and overall vehicle mass any more, and the performance of the dynamic vibration absorber is improved, the unsprung mass of the wheel edge driving system is reduced, the vertical performance of the vehicle is improved, and the efficiency is relatively high due to the adoption of a gear reduction mechanism.
Description
Technical field
The present invention relates to electric automobile chassis and transmission field, particularly a kind of motor is as the slowdown type wheel limit drive system of dynamic vibration absorber quality.
Background technology
The wheel limit drives and is meant that motor is arranged in the wheel or near the wheel, power directly or through speed reduction gearing is delivered to wheel by motor, thus the drive form of powered vehicle.Because wheel limit drive system has been omitted the devices such as power-transfer clutch, universal-joint, transmission shaft and diff of orthodox car, therefore making it compare centralized driving has special advantages, as: complete vehicle structure is succinct, and car load space capable of using increases; Messenger chain is short, and the drive system driving efficiency improves; Dynamics Controlling is more flexible, convenient etc.
Yet,, make the tire ground connection property of automobile, the ride comfort variation of automobile because wheel limit drive system is integrated in parts such as motor, speed reduction gearing and drg in the wheel or near the wheel, therefore makes its unsprung weight increase greatly.Dynamic vibration absorber can improve the problem that wheel limit drive system unsprung weight causes more greatly by actv. through in wheel, installing a sleeve spring damping mass system additional.But, be subject to wheel space, can only adopt less dynamic vibration absorber, make its absorbing effect limited.If adopt bigger dynamic vibration absorber not only need take big quantity space, arrange inconvenience, also strengthened complete vehicle quality simultaneously.
The patent US7614467B2 In-wheel motor system having damping mechanism of BRIDGESTONE; Play the dynamic vibration absorber effect through motor being suspended in wheel; Motor is through flexible couplings device transferring power, and its center shaft line parallel is in the wheel center axis.But, adopt flexible couplings device efficient lower, and may make the rotational speed and torque that exports wheel to produce fluctuation.
Summary of the invention
Technical matters to be solved by this invention is will provide a kind of motor is converted into the dynamic vibration absorber quality, makes dynamic vibration absorber no longer be subject to the slowdown type wheel limit drive system of the motor of wheel space as the dynamic vibration absorber quality.
In order to solve above technical matters; The invention provides the slowdown type wheel limit drive system of a kind of motor, comprise right reducer shell, first order speed reducing gear pair, guiding mechanism, left reducer shell, drg revolving part, axle tube, semiaxis, second stage speed reducing gear pair and dynamic vibration absorber spring damping as the dynamic vibration absorber quality.Motor is suspended on the reducer shell through the dynamic vibration absorber spring damping; Make motor quality be converted into the dynamic vibration absorber quality, power is exported by motor, through first order speed reducing gear pair, tween drive shaft, second stage speed reducing gear pair, semiaxis and wheel hub; Finally be passed to wheel rim, powered vehicle.
Said motor is installed on right reducer shell through bolt; Right reducer shell is supported on the left reducer shell through the housing bearing; The housing bearing enclose is supported in respectively on left reducer shell and the right reducer shell; Housing shaft bearing axis and layshaft bearing dead in line, motor can rotate around the housing BEARING SHAFT with respect to left reducer shell together with right reducer shell.
Said right reducer shell and left reducer shell have a guiding mechanism and the combined action of housing bearing to play directional tagging, and bear the effect of motor and right reducer shell force of inertia and moment.The rail sections of said guiding mechanism is installed on the left reducer shell, and the rail length direction is a circular arc, and is the center of circle with the housing bearing center of circle, and Slipper is installed on the right reducer shell.
Dynamic bump leveller spring damping links to each other between left and right reducer shell.
The housing seal part is used for the sealing between right reducer shell and left reducer shell, prevents the oil seepage in the reducer shell.
Axle tube is installed on left reducer shell through bolt, and the hub bearing outer ring is supported in axle tube, and inner ring is supported on the wheel hub, and wheel rim and drg revolving part are installed on the wheel hub, and the drg connecting element then passes through bolt on axle tube.At last, suspension is connected on the vehicle frame whole drive system on the left reducer shell through being installed on.
Tween drive shaft is supported in the reducer shell through two layshaft bearings.The semiaxis right-hand member is supported on the left reducer shell through axle bearing, and left end links to each other with wheel hub through spline.Power is exported by motor, through first order speed reducing gear pair, tween drive shaft, second stage speed reducing gear pair, semiaxis and wheel hub, finally is passed to wheel rim, thus powered vehicle.
Drg can use plate disc brake or drum brake mechanism, and the braking counter torque finally is passed on the vehicle frame through axle tube, left reducer shell and suspension.
Be passed on the axle tube through wheel hub, hub bearing from ground-surface counter-force among the present invention, and be passed on the left reducer shell, be passed on the vehicle frame through the suspension that is connected in left reducer shell at last by axle tube.So semiaxis does not bear from ground-surface counter-force, is similar to the fully floating axle supporting construction of orthodox car.
Main effect of the present invention is:
(1) motor is converted into the dynamic vibration absorber quality, makes dynamic vibration absorber not be subject to wheel space and complete vehicle quality, has promoted the performance of dynamic vibration absorber, thereby improves the vertical performance of vehicle;
(2) because motor is converted into the dynamic vibration absorber quality, thereby reduced to take turns the unsprung weight of limit drive system, thereby improved the vertical performance of vehicle;
(3) adopt gear reduction, efficient is higher.
Description of drawings
Fig. 1 drives electronlmobil 1/4 vehicle two degrees of freedom model of vibration for the common limit of taking turns;
Fig. 2 is the wheel limit driving electronlmobil 1/4 vehicle three degree of freedom model of vibration of motor of the present invention as the dynamic vibration absorber quality;
Fig. 3 is the constructional drawing of motor of the present invention as the slowdown type wheel limit drive system of dynamic vibration absorber quality;
Fig. 4 is the lateral plan of reducer shell of the present invention and motor;
Label declaration among the figure
The right reducer shell of 1-; 2-housing bearing;
The 3-layshaft bearing; 4-housing seal part;
The 5-motor; 6-first order speed reducing gear pair;
The 7-guiding mechanism; 8-left side reducer shell;
9-drg connecting element; 10-drg revolving part;
The 11-axle tube; The 12-hub bearing;
The 13-semiaxis; The 14-axle bearing;
The 15-wheel hub; 16-second stage speed reducing gear pair;
The 17-tween drive shaft; The 18-layshaft bearing;
The 19-wheel rim; 20-dynamic vibration absorber spring damping.
The specific embodiment
See also shown in the accompanying drawing, the present invention is done further description.
Fig. 1 drives electronlmobil 1/4 vehicle two degrees of freedom model of vibration for the common limit of taking turns, and wherein m1 is the unsprung weight except that motor, and m3 is a motor quality, and m2 is 1/4 sprung weight, because motor also is the part of unsprung weight, so unsprung weight is bigger.
In order motor to be converted into the dynamic vibration absorber quality, reduced the unsprung weight of wheel limit drive system simultaneously, propose the 1/4 vehicle three degree of freedom model of vibration of motor as the dynamic vibration absorber quality, as shown in Figure 2.Wherein m2 is 1/4 sprung weight, and m1 is a unsprung weight, mainly comprises quality such as wheel, wheel rim, brake system, semiaxis, speed reduction gearing, reducer shell, and m3 is a motor quality, is suspended in the wheel by the dynamic vibration absorber spring damping.Motor makes motor do swing around a certain fixed point of unsprung weight through guiding mechanism.Through the vertical performance that damping coefficient c3 and stiffness coefficient k3 can greatly improve vehicle suitably is set.
Based on model of vibration shown in Figure 2, the slowdown type wheel limit driving system structure of motor as the dynamic vibration absorber quality proposed, Fig. 3 is a structural representation of the present invention.The present invention mainly comprises right reducer shell 1, housing bearing 2, layshaft bearing 3, housing seal part 4, motor 5, first order speed reducing gear pair 6, guiding mechanism 7, left reducer shell 8, drg connecting element 9, drg revolving part 10, axle tube 11, hub bearing 12, semiaxis 13, axle bearing 14, wheel hub 15, second stage speed reducing gear pair 16, layshaft bearing 17, tween drive shaft 18, wheel rim 19, dynamic vibration absorber spring damping 20.Motor 5 is suspended on the reducer shell through dynamic vibration absorber spring damping 20; Make motor 5 quality be converted into the dynamic vibration absorber quality; Power is by motor 5 outputs; Through first order speed reducing gear pair 6, tween drive shaft, second stage speed reducing gear pair 16, semiaxis 13 and wheel hub 15, finally be passed to wheel rim 19, powered vehicle.
Said motor 5 is installed on right reducer shell 1 through bolt; Right reducer shell 1 is supported on the left reducer shell 8 through housing bearing 2; Housing bearing 2 Internal and external cycles are supported in respectively on left reducer shell 8 and the right reducer shell 1; Housing bearing 2 axis and layshaft bearing 18 deads in line, motor 5 can rotate around housing bearing 2 axle center with respect to left reducer shell 8 together with right reducer shell 1.
Said right reducer shell 1 has a guiding mechanism 7 and 2 combineds action of housing bearing to play directional tagging with left reducer shell 8, and bears the effect of motor 5 and right reducer shell 1 force of inertia and moment.The rail sections of said guiding mechanism 7 is installed on the left reducer shell 8, and the rail length direction is a circular arc, and is the center of circle with housing bearing 2 centers of circle, and Slipper is installed on the right reducer shell 1.
Left side reducer shell 8 links to each other with 1 dynamic bump leveller spring damping 20 of right reducer shell.As shown in Figure 4, but be not limited to be installed on shown position, only need be installed between wheel internal fixation parts and the tilting member and get final product.Thus, motor 5 just changes the quality of dynamic vibration absorber into together with the quality of the right reducer shell 1 of a part.
Axle tube 11 is installed on left reducer shell 8 through bolt; Hub bearing 12 outer rings are supported in axle tube 11; Inner ring is supported on the wheel hub 15, and wheel rim 19 and drg revolving part 9 are installed on the wheel hub 15, and drg connecting element 10 then passes through bolt on axle tube 11.At last, suspension is connected on the vehicle frame whole drive system on the left reducer shell 8 through being installed on.
Said tween drive shaft 18 is supported in right reducer shell 1 and the left reducer shell 8 through two layshaft bearings 3,17.Said semiaxis 13 right-hand members are supported on the left reducer shell 8 through axle bearing 14, and left end links to each other with wheel hub 15 through spline.Power through first order speed reducing gear pair 6, tween drive shaft 18, second stage speed reducing gear pair 16, semiaxis 13 and wheel hub 15, finally is passed to wheel rim 19 by motor 5 outputs, thus powered vehicle.
Drg can use plate disc brake or drum brake mechanism, and the braking counter torque finally is passed on the vehicle frame through axle tube 11, left reducer shell 8 and suspension.
Be passed on the axle tube 11 through wheel hub 15, hub bearing 12 from ground-surface counter-force among the present invention, and be passed on the left reducer shell 8, be passed on the vehicle frame through the suspension that is connected in left reducer shell 8 at last by axle tube 11.So in the native system, semiaxis 13 does not bear from ground-surface counter-force, is similar to the fully floating axle supporting construction of orthodox car.
Claims (4)
1. a motor is taken turns the limit drive system as the slowdown type of dynamic vibration absorber quality; Comprise right reducer shell, first order speed reducing gear pair, guiding mechanism, left reducer shell, drg revolving part, axle tube, semiaxis, second stage speed reducing gear pair and dynamic vibration absorber spring damping; It is characterized in that: motor is suspended on the reducer shell through the dynamic vibration absorber spring damping; Make motor quality be converted into the dynamic vibration absorber quality, power is exported by motor, through first order speed reducing gear pair, tween drive shaft, second stage speed reducing gear pair, semiaxis and wheel hub; Finally be passed to wheel rim, powered vehicle.
2. motor according to claim 1 is as the slowdown type wheel limit drive system of dynamic vibration absorber quality; It is characterized in that: said motor is installed on right reducer shell through bolt; Right reducer shell is supported on the left reducer shell through the housing bearing, and motor can rotate around the housing BEARING SHAFT with respect to left reducer shell together with right reducer shell.
3. motor according to claim 1 is as the slowdown type wheel limit drive system of dynamic vibration absorber quality; It is characterized in that: said right reducer shell and left reducer shell have a guiding mechanism; Directional tagging is played in combined action with the housing bearing, and bears the effect of motor and right reducer shell force of inertia and moment.
4. motor according to claim 1 is as the slowdown type wheel limit drive system of dynamic vibration absorber quality, and it is characterized in that: dynamic bump leveller spring damping links to each other between left and right reducer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100112421A CN102555771A (en) | 2012-01-16 | 2012-01-16 | Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100112421A CN102555771A (en) | 2012-01-16 | 2012-01-16 | Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102555771A true CN102555771A (en) | 2012-07-11 |
Family
ID=46402862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100112421A Pending CN102555771A (en) | 2012-01-16 | 2012-01-16 | Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102555771A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555770A (en) * | 2012-01-16 | 2012-07-11 | 同济大学 | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber |
| CN108248377A (en) * | 2017-12-29 | 2018-07-06 | 苏州凯博易控驱动技术有限公司 | Single motor deceleration module |
| CN108274988A (en) * | 2017-01-06 | 2018-07-13 | 罗伯特·博世有限公司 | Wheel side power drive system with dynamic shock sucking function |
| EP3738809A1 (en) * | 2019-05-13 | 2020-11-18 | FPT Industrial S.p.A. | Motor vehicle transmission, and motor vehicle axle provided with such transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007191126A (en) * | 2006-01-23 | 2007-08-02 | Bridgestone Corp | In-wheel motor system |
| CN101370678A (en) * | 2005-12-12 | 2009-02-18 | 株式会社普利司通 | In-wheel motor system |
| CN102139638A (en) * | 2011-03-07 | 2011-08-03 | 同济大学 | Structure for reducing equivalent unsprung mass of single cross arm suspension wheel-side electric driving system and method |
| CN102555770A (en) * | 2012-01-16 | 2012-07-11 | 同济大学 | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber |
-
2012
- 2012-01-16 CN CN2012100112421A patent/CN102555771A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370678A (en) * | 2005-12-12 | 2009-02-18 | 株式会社普利司通 | In-wheel motor system |
| JP2007191126A (en) * | 2006-01-23 | 2007-08-02 | Bridgestone Corp | In-wheel motor system |
| CN102139638A (en) * | 2011-03-07 | 2011-08-03 | 同济大学 | Structure for reducing equivalent unsprung mass of single cross arm suspension wheel-side electric driving system and method |
| CN102555770A (en) * | 2012-01-16 | 2012-07-11 | 同济大学 | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555770A (en) * | 2012-01-16 | 2012-07-11 | 同济大学 | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber |
| CN102555770B (en) * | 2012-01-16 | 2014-08-13 | 同济大学 | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber |
| CN108274988A (en) * | 2017-01-06 | 2018-07-13 | 罗伯特·博世有限公司 | Wheel side power drive system with dynamic shock sucking function |
| CN108248377A (en) * | 2017-12-29 | 2018-07-06 | 苏州凯博易控驱动技术有限公司 | Single motor deceleration module |
| EP3738809A1 (en) * | 2019-05-13 | 2020-11-18 | FPT Industrial S.p.A. | Motor vehicle transmission, and motor vehicle axle provided with such transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102555770B (en) | Speed-reducing wheel-rim driving system using mass of motor as mass of power vibration absorber | |
| CN101370678B (en) | In-wheel motor system | |
| CN1950232B (en) | Vehicle having in-wheel motor | |
| WO2007069567A1 (en) | In-wheel motor system | |
| JP2007191126A (en) | In-wheel motor system | |
| CN103879275B (en) | In-wheel motor assembly | |
| CN202294238U (en) | Synchronous belt speed-reducing type wheel rim electric driving system of integrated single-swinging-arm torsion beam suspension | |
| CN103029577A (en) | Coaxial direct-connection type drive axle assembly of electric automobile | |
| CN108128143A (en) | A kind of integrated electric driving wheel and vehicle | |
| CN102555771A (en) | Speed-reducing wheel edge driving system with motor mass as dynamic vibration absorber mass | |
| WO2020034347A1 (en) | Small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie | |
| CN107323249A (en) | A kind of wheel motor drive system with independent suspension and automobile | |
| CN102848911B (en) | Can electricity consumption traveling vehicle | |
| CN107458221A (en) | A kind of double reduction formula Direct wheel drives system | |
| KR101060081B1 (en) | Wheel assembly having in-wheel motor for electric vehicle | |
| CN202264614U (en) | Integrated single swinging arm suspension bracket synchronous belt speed-reducing type wheelside electrically driving system | |
| CN108128141B (en) | Force transmission method of electric wheel and vehicle using same | |
| CN102555772A (en) | Speed reduction type hub driving system with function of power shock absorption | |
| CN213705078U (en) | Coaxial integrated electric drive bridge | |
| CN101985278B (en) | Reduction type wheel electric drive and vertical jitter type suspension system of electric vehicle | |
| CN204095429U (en) | A kind of four-wheel Environmental-friendelectric electric vehicle | |
| CN102582417B (en) | Speed-reducing type wheel electric drive system of electric vehicle | |
| CN108146144B (en) | A wheel hub subassembly, electronic round and vehicle for electronic round | |
| CN202174932U (en) | Integrated hub reduction type electric driving system with single-trailing-arm suspension | |
| CN102717695A (en) | Electric drive axle of low-floor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |