CN202518082U - Wheel rim electric driving device for motor-driven vehicle - Google Patents
Wheel rim electric driving device for motor-driven vehicle Download PDFInfo
- Publication number
- CN202518082U CN202518082U CN 201220056776 CN201220056776U CN202518082U CN 202518082 U CN202518082 U CN 202518082U CN 201220056776 CN201220056776 CN 201220056776 CN 201220056776 U CN201220056776 U CN 201220056776U CN 202518082 U CN202518082 U CN 202518082U
- Authority
- CN
- China
- Prior art keywords
- motor
- vibration damper
- torsional vibration
- driving disc
- spacing pressing
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/18—Propelling the vehicle
- B60Y2300/20—Reducing vibrations in the driveline
- B60Y2300/205—Reducing vibrations in the driveline related or induced by the engine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to a wheel rim electric driving device for a motor-driven vehicle. The wheel rim electric driving device comprises a torsion damper, a transmission mechanism, and a motor power assembly consisting of a motor and a gear speed reducing mechanism; the motor power assembly is fixedly arranged on a car frame; the torsion damper is connected with the gear speed reducing mechanism through a flat key; and the transmission mechanism is connected with the torsion damper and a wheel respectively. Compared with the prior art, according to the wheel rim electric driving device, motor power systems, such as the motor, the gear speed reducing mechanism and the tension damper are arranged on a vehicle body, so that the un-sprung mass increased by a wheel rim and a wheel rim motor in the traditional distributed type motor-driven vehicle can be avoided; the impact on the vehicle body caused by a wheel dynamic load is reduced; and the entire ride comfort of the vehicle is improved; the negative influence on the motor-driven vehicle caused by torque ripple of the motor can be weakened by additionally arranging the torsion damper; the entire vibration noise level is reduced; and the vehicle operation stability is improved. The motor power systems are arranged on the vehicle body, so that a suspension system is consistent to the traditional vehicle type, is not limited by the electric driving system, and has small design difficulty.
Description
Technical field
The utility model relates to a kind of automotive proplsion, especially relates to a kind of electric wheel limit electric driver that reduces nonspring carried mass and torsion oscillations.
Background technology
Energy-saving and environmental protection and the theme that becomes contemporary development of automobile safely.The huge challenge of energy security and environmental protection makes energy source of car and power make the transition becomes important development tendency.Therefore, adopt the development of the new-energy automobile of power drive system to receive global attention day by day, become the focus of technology competition.
At present, the distributed power drive system of new-energy automobile mainly contains wheel hub motor driving and two kinds of forms of wheel motor driving.The wheel hub motor drive form is simple in structure, can be with power system integrated and inside wheel, but owing to increased nonspring carried mass, the smooth-going performance of car load descends; Because the motor torque fluctuation directly acts on wheel, can cause the decline of car load operation stabilization performance and cause the wheel suspension system vibration in addition, excite internal car noise.Wheel limit power drive system is arranged in drive motor and reduces the nonspring carried mass that electric system increases on the suspension between wheel and the vehicle body; But nonspring carried mass still wants big than orthodox car; And because suspension system has been carried electric system; It is excessive to load, and working condition is undesirable, and structural strength, durability are difficult to guarantee.
The utility model content
The purpose of the utility model is exactly for the defective that overcomes above-mentioned prior art existence a kind of electric wheel limit electric driver that reduces nonspring carried mass and torsion oscillations to be provided.
The purpose of the utility model can realize through following technical scheme:
A kind of electric wheel limit electric driver; Comprise torsional vibration damper, transmission device and the motor power assembly that connects to form by motor and gear reduction; Described motor power assembly is fixed on the vehicle frame; Reduce the automobile suspension system nonspring carried mass; Described torsional vibration damper is through flat key connection gear speed reduction gearing, and described transmission device connects torsional vibration damper and wheel respectively and since when being provided with torsional vibration damper and can reducing the motor direct-drive wheel motor torque fluctuation to the influence of vehicle performance.
Described gear reduction is the epicyclic reduction gear or the parallel-axes gears retarder of fixed drive ratio (single-stage or multistage).
Described torsional vibration damper comprises driving disc spacing pressing, clutch plate hub, the secondary driving disc spacing pressing that is cascading; Be provided with preceding dampened disk between described driving disc spacing pressing and the clutch plate hub; Be provided with the back dampened disk between described clutch plate hub and the secondary driving disc spacing pressing; Play the effect of buffer shock-absorbing through two dampened disks, described transmission device comprises bonded assembly castellated shaft, concertina type universal-joint, jack shaft, fixed universal-joint successively, and jack shaft can be flexible at the concertina type universal-joint; Described castellated shaft connects torsional vibration damper, and described fixed universal-joint connects wheel.
This system also comprises torsional vibration damper cover and shock absorber dust cover; One end of described torsional vibration damper cover is fixed on the gear reduction, and the other end is provided with a cover mouth, and described shock absorber dust cover is arranged on the said cover mouth; Be configured to a cavity with torsional vibration damper cover, gear reduction unit; Described torsional vibration damper is positioned at cavity, and described castellated shaft passes the shock absorber dust cover, and through the inwall of bearing fixing at the torsional vibration damper cover; One end connects torsional vibration damper, and the other end stretches out said cavity.
The correspondence position of described driving disc spacing pressing, clutch plate hub and secondary driving disc spacing pressing all offers rectangular window, is provided with the coil spring that is used to cushion in this rectangular window.
Described rectangular window and coil spring are provided with 6 groups, along the circumferential direction are provided with.
Captive joint through screw bolt and nut between described driving disc spacing pressing and the secondary driving disc spacing pressing; Driving disc spacing pressing central authorities are provided with the slotted eye with the flat key coupling; Dampened disk is fixed on the clutch plate hub through locating dowel pin with the back dampened disk before described; Clutch plate hub central authorities are provided with the slotted eye with castellated shaft coupling, and secondary driving disc spacing pressing central authorities are provided with and are used for the slotted eye that castellated shaft passes.
Described concertina type universal-joint and fixed universal-joint are Rzeppa universal joint.
Compared with prior art; The utility model this with motor power system layout such as motor, gear reduction, torsional vibration dampers on vehicle body; The nonspring carried mass that can avoid the traditional distributed battery-driven car to increase by wheel limit, wheel hub motor; Reduce the wheel dynamic load vehicle body is impacted, improve the car load ride comfort; Can decay the motor torque fluctuation to the adverse effect of battery-driven car through increasing torsional vibration damper, reduce car load vibration noise level, and improve vehicle handling stability; And because power drive system is arranged on the vehicle body, suspension system can be consistent with traditional vehicle, not limited by power drive system, and design difficulty is little.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of torsional vibration damper;
Fig. 3 be among Fig. 2 A-A to cutaway view;
Fig. 4 is the structural representation of the driving disc spacing pressing of torsional vibration damper;
Fig. 5 be among Fig. 4 driving disc spacing pressing A-A to cutaway view;
Fig. 6 is the structural representation of the secondary driving disc spacing pressing of torsional vibration damper;
Fig. 7 be among Fig. 6 secondary driving disc spacing pressing A-A to cutaway view;
Fig. 8 is the structural representation of the driven wheel hub of torsional vibration damper;
Fig. 9 be among Fig. 8 driven wheel hub A-A to cutaway view;
Figure 10 is the axis side view that waits of torsional vibration damper.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of electric wheel limit electric driver comprises torsional vibration damper 3, transmission device, torsional vibration damper cover 6, shock absorber dust cover 7 and the motor power assembly that is connected to form by motor 1 and gear reduction 2.The motor power assembly is fixed on the vehicle frame; One end of torsional vibration damper cover 6 is fixed on the gear reduction 2; The other end is provided with a cover mouth, and shock absorber dust cover 7 is arranged on the said cover mouth, forms a cavity with torsional vibration damper cover 6, gear reduction 2; Torsional vibration damper 3 is positioned at this cavity, through flat key connection gear speed reduction gearing 2.Transmission device comprises castellated shaft 4, concertina type Rzeppa universal joint 8, jack shaft 9, fixed Rzeppa universal joint 10; Castellated shaft 4 passes shock absorber dust cover 7; And be fixed on the inwall of torsional vibration damper cover 6 through bearing 5, and an end connects torsional vibration damper 3, and the other end reaches outside the cavity; Be connected with concertina type Rzeppa universal joint 8; Concertina type Rzeppa universal joint 8, jack shaft 9 and fixed Rzeppa universal joint 10 are connected successively, and jack shaft 9 can telescopic moving in concertina type Rzeppa universal joint 8, and fixed Rzeppa universal joint 10 is connected with wheel 11.
Wherein, The concrete structure of torsional vibration damper 3 is shown in Fig. 2～10; Comprised driving disc spacing pressing 14, clutch plate hub 15, the secondary driving disc spacing pressing 16 that is cascading and be located at driving disc spacing pressing 14 and clutch plate hub 15 between preceding dampened disk 12, be located at the back dampened disk 17 between clutch plate hub 15 and the secondary driving disc spacing pressing 16, play the effect of buffer shock-absorbing through two dampened disks.The correspondence position of driving disc spacing pressing 14, clutch plate hub 15 and secondary driving disc spacing pressing 16 along the circumferential direction all offers 6 rectangular windows 20; Be provided with the coil spring 13 that is used to cushion in every group of rectangular window 20; Captive joint through screw bolt and nut between driving disc spacing pressing 14 and the secondary driving disc spacing pressing 16; Driving disc spacing pressing 14 central authorities are provided with the slotted eye 21 with the flat key coupling, and preceding dampened disk 12 is fixed on the clutch plate hub 15 through locating dowel pin 19 with back dampened disk 17, and clutch plate hub 15 central authorities are provided with the slotted eye 22 with castellated shaft 4 couplings; Its edge is provided with and is used for the fan groove 24 that bolt passes, and secondary driving disc spacing pressing 16 central authorities are provided with and are used for the slotted eye 23 that castellated shaft 4 passes.
The principle of work of the utility model is following:
Motor is through the driving disc spacing pressing of gear reduction outputting power to torsional vibration damper, and secondary driving disc spacing pressing rotates with driving disc spacing pressing.Driving disc spacing pressing and secondary driving disc spacing pressing clamp clutch plate hub from both sides, drive clutch plate hub through friction force and rotate, and output power to clutch plate hub through six coil springs, owing to have dampened disk and coil spring, can play the effect of vibration damping.Because the utility model is arranged in electric system on the vehicle frame, reduce the suspension system nonspring carried mass simultaneously.The torque of motor output has certain fluctuation, through on the driving and driven parts bang path of torsional vibration damper, dampened disk and coil spring being set, can reduce even eliminate this torque fluctuation, makes relatively stable that the torque that finally is delivered on the wheel becomes.
Claims (8)
1. electric wheel limit electric driver; It is characterized in that; Comprise torsional vibration damper, transmission device and the motor power assembly that connects to form by motor and gear reduction; Described motor power assembly is fixed on the vehicle frame, and described torsional vibration damper is through flat key connection gear speed reduction gearing, and described transmission device connects torsional vibration damper and wheel respectively.
2. a kind of electric wheel according to claim 1 limit electric driver is characterized in that, described gear reduction is the epicyclic reduction gear or the parallel-axes gears retarder of fixed drive ratio.
3. a kind of electric wheel according to claim 1 limit electric driver; It is characterized in that; Described torsional vibration damper comprises driving disc spacing pressing, clutch plate hub and the secondary driving disc spacing pressing that is cascading; Be provided with preceding dampened disk between described driving disc spacing pressing and the clutch plate hub, be provided with the back dampened disk between described clutch plate hub and the secondary driving disc spacing pressing, described transmission device comprises bonded assembly castellated shaft, concertina type universal-joint, jack shaft, fixed universal-joint successively; Described castellated shaft connects torsional vibration damper, and described fixed universal-joint connects wheel.
4. a kind of electric wheel according to claim 3 limit electric driver is characterized in that this system also comprises torsional vibration damper cover and shock absorber dust cover; One end of described torsional vibration damper cover is fixed on the gear reduction, and the other end is provided with a cover mouth, and described shock absorber dust cover is arranged on the cover mouth; Be configured to a cavity with torsional vibration damper cover, gear reduction unit; Described torsional vibration damper is positioned at cavity, and described castellated shaft passes the shock absorber dust cover, and through the inwall of bearing fixing at the torsional vibration damper cover; One end connects torsional vibration damper, and the other end stretches out said cavity.
5. a kind of electric wheel according to claim 3 limit electric driver is characterized in that the correspondence position of described driving disc spacing pressing, clutch plate hub and secondary driving disc spacing pressing all offers rectangular window, is provided with the coil spring that is used to cushion in this rectangular window.
6. a kind of electric wheel according to claim 5 limit electric driver is characterized in that described rectangular window and coil spring are provided with 6 groups, along the circumferential direction is provided with.
7. a kind of electric wheel according to claim 3 limit electric driver; It is characterized in that; Captive joint through screw bolt and nut between described driving disc spacing pressing and the secondary driving disc spacing pressing, driving disc spacing pressing central authorities are provided with the slotted eye with the flat key coupling, described before dampened disk be fixed on the clutch plate hub through locating dowel pin with the back dampened disk; Clutch plate hub central authorities are provided with the slotted eye with castellated shaft coupling, and secondary driving disc spacing pressing central authorities are provided with and are used for the slotted eye that castellated shaft passes.
8. a kind of electric wheel according to claim 3 limit electric driver is characterized in that described concertina type universal-joint and fixed universal-joint are Rzeppa universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056776 CN202518082U (en) | 2012-02-21 | 2012-02-21 | Wheel rim electric driving device for motor-driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220056776 CN202518082U (en) | 2012-02-21 | 2012-02-21 | Wheel rim electric driving device for motor-driven vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518082U true CN202518082U (en) | 2012-11-07 |
Family
ID=47101044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220056776 Expired - Fee Related CN202518082U (en) | 2012-02-21 | 2012-02-21 | Wheel rim electric driving device for motor-driven vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518082U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313953A (en) * | 2015-08-26 | 2016-02-10 | 杭州伯坦科技工程有限公司 | Motor vehicle single wheel device characterized by independent steering and wheel-side driving and control method |
| CN105966254A (en) * | 2015-03-10 | 2016-09-28 | 吴震洋 | Range-extending charging driving device for electric vehicle |
| EP3216643A3 (en) * | 2016-03-10 | 2017-12-20 | Chen-Yang Wu | Range-extending, charging, and driving apparatus for an electric vehicle |
| US9987933B2 (en) | 2015-03-10 | 2018-06-05 | Chen-Yang Wu | Range-extending, charging, and driving apparatus for an electric vehicle |
-
2012
- 2012-02-21 CN CN 201220056776 patent/CN202518082U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966254A (en) * | 2015-03-10 | 2016-09-28 | 吴震洋 | Range-extending charging driving device for electric vehicle |
| US9987933B2 (en) | 2015-03-10 | 2018-06-05 | Chen-Yang Wu | Range-extending, charging, and driving apparatus for an electric vehicle |
| CN105313953A (en) * | 2015-08-26 | 2016-02-10 | 杭州伯坦科技工程有限公司 | Motor vehicle single wheel device characterized by independent steering and wheel-side driving and control method |
| EP3216643A3 (en) * | 2016-03-10 | 2017-12-20 | Chen-Yang Wu | Range-extending, charging, and driving apparatus for an electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20130221 |