CN103978862A - Front suspension device of electromobile with hub motor being independently driven - Google Patents
Front suspension device of electromobile with hub motor being independently driven Download PDFInfo
- Publication number
- CN103978862A CN103978862A CN201410187680.2A CN201410187680A CN103978862A CN 103978862 A CN103978862 A CN 103978862A CN 201410187680 A CN201410187680 A CN 201410187680A CN 103978862 A CN103978862 A CN 103978862A
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- hub motor
- steering
- wheel hub
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Abstract
The invention discloses a front suspension device for an electromobile with a hub motor being independently driven. The front suspension device comprises a steering system assembly, a hydraulic adjusting device, an auxiliary frame assembly, a lower swinging arm, a knuckle, a wheel system assembly, a shock absorber assembly and a hydraulic cylinder, wherein the steering system assembly is connected with a steering trapezium arm of the knuckle; the auxiliary frame assembly is connected with the lower end of the knuckle through the lower swinging arm; a bracket at the upper end of the knuckle is connected with the shock absorber assembly; the knuckle is fixed on a motor shaft of the hub motor; the front suspension device also comprises a hydraulic cylinder and a hydraulic adjusting device, wherein a cylinder body of the hydraulic cylinder is fixed on the electromobile, oil ports are respectively formed in two ends of the cylinder body and are connected with the hydraulic adjusting device through oil pipes, and a piston in the hydraulic cylinder is fixedly connected with the shock absorber assembly through a piston rod. According to the front suspension device, the kingpin caster angle of the automobile can be comprehensively, smoothly and automatically adjusted according to a rotating speed signal and a steering signal of the electromobile, the straight travelling stability and the steering flexibility of the electromobile are ensured, and meanwhile, the chassis space of the electromobile is sufficiently utilized.
Description
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Technical field
The present invention relates to a kind of front suspension apparatus of automobile, particularly a kind of front suspension apparatus of the electronlmobil for wheel hub motor individual drive.
Background technology
Along with socioeconomic development, automobile has become the requisite vehicle in people's daily life, but simultaneously, sharply increase and the negative effect serious to environment to the demand of oil resources that the development of auto-industry brings, caused people's concern.Therefore the inherence that the research that, has an electronlmobil of the advantages such as energy-saving and environmental protection, low noise becomes current auto-industry requires and development tendency.
Wheel hub motor individual drive electronlmobil is that motor and wheel hub are integrated, motor direct-drive vehicle wheel rotation, has saved traditional driving system, has cancelled the parts such as power-transfer clutch, change-speed box, improved driving efficiency, saved motor space simultaneously, improved the alerting ability of automobile design.
Kingpin caster angle is a kind of in wheel alignment parameter, and effect is the stability while increasing automobile straight-line travelling and after turning to, makes front-wheel self-aligning.Kingpin caster angle is larger, and directional balance is better, turns to the effect of rear self-aligning also stronger, can be heavier but turn to; The too little meeting of kingpin caster angle makes to turn to flexibly but directional balance is poor.
The kingpin caster angle of the electronlmobil of current wheel hub motor individual drive is all fixed, and cannot guarantee to turn to flexibility ratio and driving stability degree to reach optimum in vehicle traveling process simultaneously; Meanwhile, the front suspension of the electronlmobil of present wheel hub motor individual drive directly adopts the structure of traditional fuel-engined vehicle mostly, and reserved space, chassis out is not reasonably utilized; Also have, the bumper of current electronlmobil and the predetermincd tension of axle spring are large not, easily cause the lax of nut.
Summary of the invention
technical matters:the invention provides and a kind ofly can steadily regulate kingpin caster angle according to the travel situations of automobile, reinforced the predetermincd tension of bumper and axle spring, effectively prevent that nut is lax, and rationally utilized the front suspension apparatus of wheel hub motor individual drive electronlmobil in the electric automobile chassis space of wheel hub motor individual drive.
technical scheme:the front suspension apparatus of wheel hub motor individual drive electronlmobil of the present invention, comprises steering swivel system assembly, hydraulic regulating device, subframe assembly, lower swing arm, steering swivel, Wheeling System assembly, vibration damper assembly and hydraulic actuating cylinder;
Steering swivel is fixedly installed on the motor shaft of wheel hub motor of Wheeling System assembly, the tierod of steering swivel system assembly is connected with the steering trapezoidal arm of steering swivel, subframe assembly is connected with the lower end of steering swivel by lower swing arm, the support of steering swivel upper end is connected with the bottom of vibration damper assembly, hydraulic actuating cylinder is fixedly mounted on the upper end of vibration damper assembly, and hydraulic regulating device is connected with hydraulic actuating cylinder and provides for it hydraulic oil by oil pipe;
In steering swivel system assembly, be provided with the steering wheel angle signal transducer that is positioned at steering handwheel below, steering wheel angle signal transducer is connected with control assembly by signal wire (SW);
Wheeling System assembly also comprises the brake disc that is arranged between steering swivel and wheel hub motor, is arranged on the wheel hub motor rotary speed signal sensor on subframe assembly, on brake disc, there is a circle rectangle equidistant grid, circumference equidistant grid on the alignment probe brake disc of wheel hub motor rotary speed signal sensor, wheel hub motor rotary speed signal sensor is connected with control assembly by signal wire (SW).
In preferred version of the present invention, hydraulic actuating cylinder comprises the hydraulic cylinder body that is fixed on electronlmobil car body, be arranged on the piston rod in hydraulic cylinder body and be fixed on the piston at piston rod two ends, the middle part of piston rod is welded and fixed and is connected with the screw rod of vibration damper assembly upper end, and hydraulic cylinder body two ends are connected with hydraulic circuit.
In preferred version of the present invention, hydraulic regulating device is arranged on subframe assembly, comprise Hydraulic Pump, drive hydraulic pressure pump motor, the fuel tank being communicated with Hydraulic Pump and oil pipe, and in order to control the control assembly of direction, pressure and the flow of hydraulic oil, oil pipe one end is communicated with Hydraulic Pump by the fluid control valve in control assembly, and the other end is connected with hydraulic cylinder end of body.
In preferred version of the present invention, vibration damper assembly comprises bumper, is arranged on the axle spring of bumper outside, axle spring upper and lower sides is respectively arranged with upper bracket of the spring and the spring lower support being fixed on bumper, and the top of upper bracket of the spring is provided with the Double-nut device for preloading spring and bumper.
beneficial effect:the present invention compared with prior art, has the following advantages:
The present invention is by hydraulic actuating cylinder and hydraulic regulating device, vehicle wheel rotational speed and steering swivel system corner in the time of can be comprehensively according to running car, regulate in real time kingpin caster angle, can take into account automobile straight-line travelling and turn to the different requirements to kingpin caster angle, constantly guarantee to turn to flexibility ratio and driving stability degree to reach optimum in vehicle traveling process simultaneously.
According to the angular adjustment of kingpin caster angle, require and the hydraulic actuating cylinder designing separately and the combination that comprises the hydraulic regulating device of the parts such as fuel tank, Hydraulic Pump, control assembly, use hydraulic way step-less adjustment kingpin caster angle, more smooth-going, stable, the situation while meeting automobile normal running.
The present invention adopts the fastening axle spring of Double-nut device and bumper, has greatly improved predetermincd tension, effectively prevents that nut is lax.
Hydraulic regulating device can make full use of electronlmobil due to the space, chassis that adopts wheel hub motor individual drive to reserve out.
Accompanying drawing explanation
Fig. 1 is that structural representation of the present invention is always schemed;
Fig. 2 is the structural representation of steering swivel system assembly of the present invention, hydraulic regulating device and Wheeling System assembly;
Fig. 3 is the local structural representation amplifying of Wheeling System assembly of the present invention;
Fig. 4 is the structural representation of hydraulic actuating cylinder of the present invention and spring damper assembly.
In figure, have: steering swivel system assembly 10, steering handwheel 11, steering wheel angle signal transducer 12, steering shaft 13, steering universal joint 14, steering inner articulated shaft 15, tierod 16, hydraulic regulating device 20, Hydraulic Pump 21, electrical motor 22, fuel tank 23, oil pipe 24, sensor output signal line 25, control assembly 26, subframe assembly 30, lower swing arm 40, steering swivel 50, Wheeling System assembly 60, wheel hub motor rotary speed signal sensor 61, brake disc 62, wheel hub motor 63, wheel hub 64, tire 65, vibration damper assembly 70, Double-nut device 71 for preloading spring and bumper, upper bracket of the spring 72, axle spring 73, bumper 74, spring lower support 75, hydraulic actuating cylinder 80, hydraulic cylinder body 81, piston 82, piston rod 83.
The specific embodiment
For the technique effect of further illustrating technical solution of the present invention, goal of the invention and obtaining, below in conjunction with drawings and Examples, the present invention is further illustrated.
The front suspension apparatus of wheel hub motor individual drive electronlmobil of the present invention, structure as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprises steering swivel system assembly 10, hydraulic regulating device 20, subframe assembly 30, lower swing arm 40, steering swivel 50, Wheeling System assembly 60, vibration damper assembly 70 and hydraulic actuating cylinder 80.Wherein, steering swivel 50 is fixedly installed on the motor shaft of wheel hub motor 63 of Wheeling System assembly 60, the tierod 16 of steering swivel system assembly 10 is connected with the steering trapezoidal arm of steering swivel 50, subframe assembly 30 is connected with the lower end of steering swivel 50 by lower swing arm 40, the support of steering swivel 50 upper ends is connected with the bottom of vibration damper assembly 70, hydraulic actuating cylinder 80 is fixedly mounted on the upper end of vibration damper assembly 70, and hydraulic regulating device 20 is connected with hydraulic actuating cylinder 80 and provides for it hydraulic oil by oil pipe 24.
As shown in Figure 2, steering swivel system 10 comprises steering handwheel 11, steering wheel angle signal transducer 12, steering shaft 13, steering universal joint 14, steering inner articulated shaft 15 and tierod 16.Wherein, steering wheel angle signal transducer 12 is arranged in steering handwheel 11 belows, detects in real time the angular signal of steering swivel system and is transferred to control assembly 26 by signal wire (SW).
As shown in Figures 2 and 3, Wheeling System assembly 60 comprises wheel hub motor Wheel speed signal sensor 61, brake disc 62, wheel hub motor 63, wheel hub 64 and tire 65.Wheel hub motor 63 is mounted by means of bolts in wheel hub 64, brake disc 62 is arranged between steering swivel 50 and wheel hub motor 63, on brake disc 62, there is a circle rectangle equidistant grid, wheel hub motor rotary speed signal sensor 61 is arranged on subframe assembly 30 by an arc cantilever beam, and connect control assembly 26 by signal wire (SW), sensor probe is aimed at the circumference equidistant grid on brake disc 62, detect in real time the grid number passing through in the unit time, and signal is transferred to control assembly 26, and then obtain wheel hub motor real-time rotate speed.
As shown in Figure 2, hydraulic regulating device 20 comprises Hydraulic Pump 21, electrical motor 22, fuel tank 23, oil pipe 24, sensor signal lines 25 and control assembly 26.The tach signal of wheel hub motor and the angular signal of steering swivel system are passed to control assembly 26 by sensor output signal line 25, control assembly 26 mainly comprises fluid control valve and signal processing unit, signal processing unit receives the signal that comes from steering wheel angle signal transducer 12 and wheel hub motor rotary speed signal sensor 61, according to existing algorithm, carry out comprehensive computing, and fluid control valve is controlled, and then regulate the direction enter the hydraulic oil in hydraulic actuating cylinder 80, pressure and flow, band is moved shake device assembly 70 with respect to lower swing arm 40 swings, thereby make the size of kingpin caster angle can adjust in real time and keep stable.
As shown in Figure 4, vibration damper assembly 70 comprises Double-nut device 71, upper bracket of the spring 72, axle spring 73, bumper 74 and the spring lower support 75 for preloading spring and bumper.The predetermincd tension that can greatly improve axle spring 73 and bumper 74 for the double nuts 71 of preloading spring and bumper, plays good anti-loosing effect, can certainly adopt other locking device.The support of the lower end of bumper 74 and steering swivel 50 upper ends is fixed, upper end with hydraulic actuating cylinder 80 in the sponson weld together of piston rod 83, make hydraulic regulating device 20 can drive vibration damper assembly 70 to rotate with respect to lower swing arm 40, thereby regulate the size of kingpin caster angle.
As shown in Figure 4, all there is a logical hydraulic fluid port at hydraulic cylinder body 81 two ends, according to control the logical hydraulic fluid port in left and right turnover pressure oil number, utilize piston 82 to promote piston rods 83 and drive vibration damper assemblies 70 to swing with respect to lower swing arm 40, hydraulic cylinder body 81 is fixedly mounted on electronlmobil simultaneously.
The principle of work of this wheel hub motor individual drive electronlmobil front suspension apparatus is: when automobile high-speed straight-line travelling, control assembly 26 is from wheel hub motor speed signal sensor 61 and steering wheel angle signal transducer 12 reading informations, regulator solution pressure control valve drives Hydraulic Pump 21 to the logical hydraulic fluid port conveying liquid force feed of hydraulic actuating cylinder 81 left ends, simultaneously, the logical hydraulic fluid port of hydraulic actuating cylinder right-hand member is fuel-displaced and flow to fuel tank 23, and then make hydraulic oil promotion piston 82 drive piston rods 83 that spring damper assembly 70 is clockwise rotated with respect to lower swing arm 40, kingpin caster angle is increased, to guarantee good riding stability, when automobile low speed rotation to time, control assembly 26 is from wheel hub motor speed signal sensor 61 and steering wheel angle signal transducer 12 reading informations, regulator solution pressure control valve drives Hydraulic Pump 21 to the logical hydraulic fluid port delivery pressure oil of hydraulic actuating cylinder 81 right-hand members, simultaneously, the logical hydraulic fluid port of hydraulic actuating cylinder left end is fuel-displaced and flow to fuel tank 23, and then make pressure oil promote piston 82 to drive piston rods 83 that vibration damper assembly 70 is rotated counterclockwise with respect to lower swing arm 40, kingpin caster angle is reduced the alerting ability when guaranteeing to turn to.
The above is only preferential embodiment of the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention design; can also make some improvement and be equal to replacement, these improve the claims in the present invention and are equal to and replace the technical scheme obtain and also fall in protection domain of the present invention.
Claims (4)
1. the front suspension apparatus of a wheel hub motor individual drive electronlmobil, it is characterized in that, this device comprises steering swivel system assembly (10), hydraulic regulating device (20), subframe assembly (30), lower swing arm (40), steering swivel (50), Wheeling System assembly (60), vibration damper assembly (70) and hydraulic actuating cylinder (80);
Described steering swivel (50) is fixedly installed on the motor shaft of wheel hub motor (63) of Wheeling System assembly (60), the tierod (16) of described steering swivel system assembly (10) is connected with the steering trapezoidal arm of steering swivel (50), described subframe assembly (30) is connected with the lower end of steering swivel (50) by lower swing arm (40), the support of steering swivel (50) upper end is connected with the bottom of vibration damper assembly (70), described hydraulic actuating cylinder (80) is fixedly mounted on the upper end of vibration damper assembly (70), described hydraulic regulating device (20) is connected with hydraulic actuating cylinder (80) and passes through oil pipe (24) provides hydraulic oil for it,
In described steering swivel system assembly (10), be provided with the steering wheel angle signal transducer (12) that is positioned at steering handwheel (11) below, described steering wheel angle signal transducer (12) is connected with control assembly (26) by signal wire (SW);
Described Wheeling System assembly (60) also comprises the brake disc (62) that is arranged between steering swivel (50) and wheel hub motor (63), is arranged on the wheel hub motor rotary speed signal sensor (61) on subframe assembly (30), on described brake disc (62), there is a circle rectangle equidistant grid, circumference equidistant grid on the alignment probe brake disc (62) of described wheel hub motor rotary speed signal sensor (61), wheel hub motor rotary speed signal sensor (61) is connected with control assembly (26) by signal wire (SW).
2. the front suspension apparatus of a kind of wheel hub motor individual drive electronlmobil according to claim 1, it is characterized in that, described hydraulic actuating cylinder (80) comprises the hydraulic cylinder body (81) that is fixed on electronlmobil car body, be arranged on the piston rod (83) in described hydraulic cylinder body (81) and be fixed on the piston (82) at described piston rod (83) two ends, the middle part of described piston rod (83) is welded and fixed and is connected with the screw rod of vibration damper assembly (70) upper end, and hydraulic cylinder body (81) two ends are connected with hydraulic circuit.
3. the front suspension apparatus of a kind of wheel hub motor individual drive electronlmobil according to claim 1 and 2, it is characterized in that, described hydraulic regulating device (20) is arranged on subframe assembly (30), comprise Hydraulic Pump (21), drive the electrical motor (22) of described Hydraulic Pump (21), the fuel tank (23) being communicated with described Hydraulic Pump (21) and oil pipe (24), and in order to control the direction of hydraulic oil, the control assembly of pressure and flow (26), described oil pipe (24) one end is communicated with Hydraulic Pump (21) by the fluid control valve in control assembly (26), the other end is connected with hydraulic cylinder body (81) end.
4. the front suspension apparatus of a kind of wheel hub motor individual drive electronlmobil according to claim 1 and 2, it is characterized in that, described vibration damper assembly (70) comprises bumper (74), is arranged on the outside axle spring (73) of bumper (74), described axle spring (73) upper and lower sides is respectively arranged with upper bracket of the spring (72) and the spring lower support (75) being fixed on bumper (74), and the top of described upper bracket of the spring (72) is provided with the Double-nut device (71) for preloading spring and bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187680.2A CN103978862B (en) | 2014-05-06 | 2014-05-06 | A kind of front suspension apparatus of wheel hub motor individual drive electronlmobil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187680.2A CN103978862B (en) | 2014-05-06 | 2014-05-06 | A kind of front suspension apparatus of wheel hub motor individual drive electronlmobil |
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| Publication Number | Publication Date |
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| CN103978862A true CN103978862A (en) | 2014-08-13 |
| CN103978862B CN103978862B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410187680.2A Active CN103978862B (en) | 2014-05-06 | 2014-05-06 | A kind of front suspension apparatus of wheel hub motor individual drive electronlmobil |
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| CN (1) | CN103978862B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295649A (en) * | 2014-08-15 | 2015-01-21 | 何汗伍 | Bearing spring for vehicles |
| CN108773252A (en) * | 2018-07-20 | 2018-11-09 | 常州市知豆信息科技有限公司 | A kind of intelligent adaptive automobile suspension system |
| CN108859732A (en) * | 2018-07-03 | 2018-11-23 | 山东理工大学 | A kind of distribution wheel hub driving electric automobile chassis structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782938A1 (en) * | 1995-07-21 | 1997-07-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Vehicle strut type suspension system |
| CN2678945Y (en) * | 2003-10-13 | 2005-02-16 | 上海燃料电池汽车动力系统有限公司 | Double crossbar suspension-twisted bar spring-modularized structure of electric wheel |
| US20110115185A1 (en) * | 2006-11-20 | 2011-05-19 | Frank Victor Csik | Integrated driven half-shaft and wheel hub module |
| CN103228522A (en) * | 2010-11-29 | 2013-07-31 | 日产自动车株式会社 | Vehicle, and method for steering control of same |
| CN103317992A (en) * | 2013-06-09 | 2013-09-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Vehicle front suspension device |
| US20130249182A1 (en) * | 2012-03-22 | 2013-09-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Independent wheel suspension system for a motor vehicle |
| CN203818967U (en) * | 2014-05-06 | 2014-09-10 | 东南大学 | Front suspension device of electric car independently driven by hub motor |
-
2014
- 2014-05-06 CN CN201410187680.2A patent/CN103978862B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782938A1 (en) * | 1995-07-21 | 1997-07-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Vehicle strut type suspension system |
| CN2678945Y (en) * | 2003-10-13 | 2005-02-16 | 上海燃料电池汽车动力系统有限公司 | Double crossbar suspension-twisted bar spring-modularized structure of electric wheel |
| US20110115185A1 (en) * | 2006-11-20 | 2011-05-19 | Frank Victor Csik | Integrated driven half-shaft and wheel hub module |
| CN103228522A (en) * | 2010-11-29 | 2013-07-31 | 日产自动车株式会社 | Vehicle, and method for steering control of same |
| US20130249182A1 (en) * | 2012-03-22 | 2013-09-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Independent wheel suspension system for a motor vehicle |
| CN103317992A (en) * | 2013-06-09 | 2013-09-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Vehicle front suspension device |
| CN203818967U (en) * | 2014-05-06 | 2014-09-10 | 东南大学 | Front suspension device of electric car independently driven by hub motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295649A (en) * | 2014-08-15 | 2015-01-21 | 何汗伍 | Bearing spring for vehicles |
| CN108859732A (en) * | 2018-07-03 | 2018-11-23 | 山东理工大学 | A kind of distribution wheel hub driving electric automobile chassis structure |
| CN108859732B (en) * | 2018-07-03 | 2021-08-10 | 山东理工大学 | Distributed hub-driven electric automobile chassis structure |
| CN108773252A (en) * | 2018-07-20 | 2018-11-09 | 常州市知豆信息科技有限公司 | A kind of intelligent adaptive automobile suspension system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103978862B (en) | 2015-12-02 |
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Inventor after: Yin Guodong Inventor after: Liu Jianghua Inventor after: Wang Zhen Inventor before: Yin Guodong Inventor before: Liu Jianghua |
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