CN105539042A - Double-trailing-arm type suspension of wheel hub motor driven automobile for large-angle steering wheel - Google Patents
Double-trailing-arm type suspension of wheel hub motor driven automobile for large-angle steering wheel Download PDFInfo
- Publication number
- CN105539042A CN105539042A CN201610036593.6A CN201610036593A CN105539042A CN 105539042 A CN105539042 A CN 105539042A CN 201610036593 A CN201610036593 A CN 201610036593A CN 105539042 A CN105539042 A CN 105539042A
- Authority
- CN
- China
- Prior art keywords
- control arm
- arm
- wheel
- rear control
- steering swivel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- 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
- B60G2204/14—Mounting of suspension arms
Abstract
The invention discloses a double-trailing-arm type suspension of a wheel hub motor driven automobile for a large-angle steering wheel. The double-trailing-arm type suspension comprises a wheel (1), a hub motor (2), a brake system assembly, a knuckle (5), a front upper control arm (6), a rear upper control arm (7), a front lower control arm (8), a rear lower control arm (9), a damper spring (10) and a damper (11). One end of the front upper control arm (6), one end of the rear upper control arm (7), one end of the front lower control arm (8) and one end of the rear lower control arm (9) are connected with the knuckle (5), and the other ends of the control arms are connected with a frame through lugs. According to the double-trailing-arm type suspension, reasonable geometrical parameters are arranged, so that interference between the suspension and the frame and the wheel is avoided ingeniously, the maximum turning angle of a tire can reach 90 degrees, and the universal traveling function can be achieved; by means of the structure of the suspension, the virtual intersection point between extension lines of the front control arms and the rear control arms form a virtual main pin axis which is close to the central plane of the tire, so that during turning, the radius cannot be changed too much, and the change of the suspension location parameter is small.
Description
Technical field
The present invention relates to electric vehicle engineering field, relate in particular to a kind of double trailing arm type suspension of the In-wheel motor driving automobile for wide-angle wheel flutter.
Background technology
Energy shortage, environmental pollution, climate warming are the common challenges that Global Auto and energy industry face, the energy-conservation developing direction having become every country auto-industry future with new-energy automobile, and electronlmobil is as one of the Main way of future development, being subject to the great attention of every country, is wherein the most potential in electric vehicle engineering with the electronlmobil of wheel hub motor Direct driver.
Power, transmission and braking function are integrated in wheel rim by In-wheel motor driving technology dexterously, but because said structure occupies space in wheel, result in orthodox car suspension knuckle cannot arrange, bumper, spring and motor are interfered, if in order to retain orthodox car suspension frame structure, by whole suspension system to vehicle interior side translation, then scrub radius can increase, the four wheel locating parameter change a series of harmful effects brought such as bigger than normal when bigger than normal, the vehicle of turn radius change is beated when causing Vehicular turn.
On the other hand, during general motor turning, the hard-over of tire is between 30 ° to 40 °, owing to can not realize large deflection angle, is difficult to mobile and traveling flexibly under the road condition that complexity is narrow.
The patent No. be 201420659879.6 utility model patent be referred to a kind of single oil cylinder suspension of In-wheel motor driving battery-driven car, but due to the existence of upper suspension arm, be not suitable for wheel flutter.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, a kind of double trailing arm type suspension of the In-wheel motor driving automobile for wide-angle wheel flutter is provided, when turning to, the virtual hinge contact of two Control arm formation can change thereupon, when making tyre rotation around the change of axle moment, reduce scrub radius, reduce the wearing and tearing of tire; Meanwhile, the present invention coordinates specific steering structure, and the wide-angle that can realize electronlmobil turns to and do not interfere.
The present invention is used for the double trailing arm type suspension of the In-wheel motor driving automobile of wide-angle wheel flutter, comprises wheel 1, wheel hub motor 2, brake system assembly, steering swivel 5, Control arm 6 of going forward, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9, damper spring 10 and bumper damper 11;
Described brake system assembly is all connected with the output shaft of wheel hub motor 2 with steering swivel 5;
Go forward Control arm 6, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9 one end be connected with steering swivel 5 respectively, the other end is connected with vehicle frame respectively by hanger; Go forward Control arm 6, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9 is four link-type Control arms controlled separately, described Control arm 6 of going forward, upper rear Control arm 7 and vehicle frame, steering swivel 5 form the full hinge four-bar mechanism that one degree of freedom is 1, and described lower front Control arm 8, lower rear Control arm 9 and vehicle frame, steering swivel 5 form the full hinge four-bar mechanism that one degree of freedom is 1; Go forward Control arm 6 meets at a virtual hinge contact with the extended line of upper rear Control arm 7, and lower front Control arm 8 meets at another virtual hinge contact with the extended line of lower rear Control arm 9, and the line of two virtual hinge contacts forms virtual stub;
Described damper spring 10 is sleeved on bumper damper 11, and form vibration damper assembly, vibration damper assembly one end is arranged on steering swivel 5, and the other end is installed on vehicle frame.
Described Control arm 6 of going forward, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9, be made up of steel pipe, thread rod 13 and spherical plain bearing rod end 12, two thread rod 13 sides are connected with steel pipe, two thread rod 13 opposite sides are provided with spherical plain bearing rod end 12, and on spherical plain bearing rod end 12, cover has clamp nut 15.
Go forward Control arm 6, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9 and the binding bolt 16 of steering swivel 5 coupling end are also provided with taper pad 17.
Compared with prior art, beneficial effect of the present invention is:
1, double trailing arm type suspension of the present invention, by arranging rational geometric parameter, avoid dexterously and vehicle frame, interference between wheel, all driection running function can be realized;
2, double trailing arm type suspension of the present invention, because Control arm of going forward, upper rear Control arm, lower front Control arm, lower rear Control arm two ends are respectively provided with spherical plain bearing rod end, spherical pair is adopted to be connected with steering swivel, vehicle frame, go forward Control arm, upper rear Control arm and steering swivel, vehicle frame forms one and entirely cuts with scissors four-bar mechanism, has one degree of freedom; In like manner, lower front Control arm, lower rear Control arm and steering swivel, vehicle frame also form one and entirely cut with scissors four-bar mechanism.Adopt such structure, make the imaginary intersection point of front Control arm and rear Control arm extended line constitute virtual main pin axis, virtual main pin axis is near tire centerline plane, and when making to turn to, can not to change the change of excessive, suspension positional parameter less etc. for Turning radius.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is birds-eye view of the present invention;
Fig. 3 is fractionation schematic diagram of the present invention;
Fig. 4 is wide-angle of the present invention wheel center path of motion when turning to;
Fig. 5 is the wide-angle of prior art double trailing arm type suspension when being applied on the battery-driven car of In-wheel motor driving wheel center path of motion when turning to.
In figure, 1 is wheel, and 2 is wheel hub motor, 3 is brake disc, and 4 is brake caliper, and 5 is steering swivel, 6 is Control arm of going forward, and 7 is upper rear Control arm, and 8 is lower front Control arm, 9 is lower rear Control arm, and 10 is damper spring, and 11 is bumper damper, 12 is spherical plain bearing rod end, and 13 is thread rod, and 14 is track arm mounting ear, 15 is clamp nut, and 16 is binding bolt, and 17 is taper pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.As Figure 1-Figure 5, for the double trailing arm type suspension of the In-wheel motor driving automobile of wide-angle wheel flutter, comprise wheel 1, wheel hub motor 2, brake system assembly, steering swivel 5, Control arm 6 of going forward, upper rear Control arm 7, lower front Control arm 8, lower rear Control arm 9, damper spring 10, bumper damper 11, spherical plain bearing rod end 12 and thread rod 13.
In the present embodiment, brake system assembly comprises brake disc 3 and brake caliper 4, but is not limited thereto kind of a disc type brake, also can be drum brake.
Described Control arm 6 of going forward, Control arm 7 after upper, Control arm 8 before lower, Control arm 9 after lower, by steel pipe and a bit of thread rod 13 weld together, screw in after again spherical plain bearing rod end 12 being put clamp nut 15 in thread rod 13, steel pipe two ends all adopt this mode process, Control arm one end binding bolt 16 is arranged on the track arm mounting ear 14 of steering swivel 5, and in order to the jerk value making wheel 1 can reach certain, take the mode being encased inside taper pad 17 between mounting hole, the Control arm other end is arranged on hanger in the same way, hanger is welded on vehicle frame.Four Control arms all adopt such mounting means.Damper spring 10 is enclosed within bumper damper 11, and bumper damper 11 one end is fixed on steering swivel 5, and the other end is fixed on the hanger of vehicle frame.
It is the characteristic of 1 that the present invention applies full hinge four-bar mechanism degree of freedom dexterously.Existing composition graphs 4 is illustrated.Go forward Control arm AB, upper rear Control arm CD and steering swivel BC, vehicle frame AD forms a four-bar mechanism, here the length of four bars is all constant, because vehicle frame is connecting element, therefore this four-bar mechanism has 3 bars to be movable part, again because adopt spherical plain bearing rod end to be connected between bar with bar, so constitute 4 lower pairs and 0 higher pair between each component altogether, so the degree of freedom of this four-bar mechanism is:
F＝3×3-2×4-0＝1
In like manner, lower front Control arm 8, lower rear Control arm 9 also form with steering swivel 5, vehicle frame the full hinge four-bar mechanism that one degree of freedom is 1.This degree of freedom be 1 four-bar mechanism can obtain the motion determined when having a driving link.Go forward Control arm AB, upper rear Control arm CD and steering swivel BC, vehicle frame AD length relation meet:
DC+AD＞AB+BC
DC-AD＜AB+BC
And closed-loop ABCD meets vector equation:
Meet above-mentioned relation, the wide-angle that can realize wheel turns to and does not interfere with wheel, vehicle frame.During general motor turning, the hard-over of tire is between 30 ° to 40 °, and the present invention can realize tire steering locking angle is 90 °, as shown in Figure 4.
Can simulate when wheel wide-angle turns to, the track produced during the motion of wheel center point, as shown in Figure 4; Directly be applied on In-wheel motor driving battery-driven car by existing double trailing arm type suspension, when wheel wide-angle turns to, the path of motion of wheel center point as shown in Figure 5.By comparison diagram 4 and Fig. 5, can find, the wheel center range of movement shown in Fig. 4 is far smaller than the wheel center range of movement shown in Fig. 5.
Further, go forward Control arm 6 defines virtual hinge-point with the extended line of upper rear Control arm 7, lower front Control arm 8 also form virtual hinge-point with the extended line of lower rear Control arm 9, the line of two virtual hinge contacts is virtual stub, with directly apply compared with existing double trailing arm type suspension, stub of the present invention is closer to medium plane of wheel, substantially reduce scrub radius, i.e. suspension of the present invention, when applying to In-wheel motor driving battery-driven car, effectively can reduce wear on tyres, when turning to, Turning radius can not change excessive, the reduction of scrub radius makes wheel suspension positional parameter change when beating less.
The above-mentioned description to embodiment can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can make various amendment to these embodiments easily, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art are according to announcement of the present invention, and the improvement made for the present invention and amendment all should within protection scope of the present invention.
Claims (3)
1. for the double trailing arm type suspension of the In-wheel motor driving automobile of wide-angle wheel flutter, it is characterized in that: comprise wheel (1), wheel hub motor (2), brake system assembly, steering swivel (5), Control arm of going forward (6), upper rear Control arm (7), lower front Control arm (8), lower rear Control arm (9), damper spring (10) and bumper damper (11);
Described brake system assembly is all connected with the output shaft of wheel hub motor (2) with steering swivel (5);
Go forward Control arm (6), upper rear Control arm (7), lower front Control arm (8), lower rear Control arm (9) one end be connected with steering swivel (5) respectively, the other end is connected with vehicle frame respectively by hanger; Go forward Control arm (6), upper rear Control arm (7), lower front Control arm (8), lower rear Control arm (9) is four link-type Control arms controlled separately, described Control arm of going forward (6), upper rear Control arm (7) and vehicle frame, steering swivel (5) form the full hinge four-bar mechanism that one degree of freedom is 1, and described lower front Control arm (8), lower rear Control arm (9) and vehicle frame, steering swivel (5) form the full hinge four-bar mechanism that one degree of freedom is 1; The go forward extended line of Control arm (6) and upper rear Control arm (7) meets at a virtual hinge contact, lower front Control arm (8) meets at another virtual hinge contact with the extended line of lower rear Control arm (9), and the line of two virtual hinge contacts forms virtual stub;
Described damper spring (10) is sleeved on bumper damper (11), and form vibration damper assembly, vibration damper assembly one end is arranged on steering swivel (5), and the other end is installed on vehicle frame.
2. double trailing arm type suspension as claimed in claim 1, it is characterized in that: described in go forward Control arm (6), upper rear Control arm (7), lower front Control arm (8), lower rear Control arm (9), be made up of steel pipe, thread rod (13) and spherical plain bearing rod end (12), two thread rods (13) side is connected with steel pipe, two thread rods (13) opposite side is provided with spherical plain bearing rod end (12), and the upper cover of spherical plain bearing rod end (12) has clamp nut (15).
3. double trailing arm type suspension as claimed in claim 1, is characterized in that: Control arm of going forward (6), upper rear Control arm (7), lower front Control arm (8), lower rear Control arm (9) and the binding bolt (16) of steering swivel (5) coupling end are also provided with taper pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036593.6A CN105539042B (en) | 2016-01-20 | 2016-01-20 | The double trailing arm type suspension of In-wheel motor driving automobile for wide-angle deflecting roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036593.6A CN105539042B (en) | 2016-01-20 | 2016-01-20 | The double trailing arm type suspension of In-wheel motor driving automobile for wide-angle deflecting roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105539042A true CN105539042A (en) | 2016-05-04 |
| CN105539042B CN105539042B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036593.6A Active CN105539042B (en) | 2016-01-20 | 2016-01-20 | The double trailing arm type suspension of In-wheel motor driving automobile for wide-angle deflecting roller |
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| CN (1) | CN105539042B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627102A (en) * | 2017-02-10 | 2017-05-10 | 中国第汽车股份有限公司 | Wheel hub motor driving device |
| CN106926656A (en) * | 2017-03-21 | 2017-07-07 | 中国第汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
| CN107415675A (en) * | 2017-05-08 | 2017-12-01 | 中国第汽车股份有限公司 | A kind of automobile chassis of integrated wheel motor drive device |
| WO2018010524A1 (en) * | 2016-07-15 | 2018-01-18 | 山东贝格新能源科技有限公司 | Motor and brake disc thereof, hub motor, and vehicle having a disc hub motor |
| CN109514157A (en) * | 2018-12-19 | 2019-03-26 | 华侨大学 | Racing car suspension shackle welds positioning mechanism |
| CN110341411A (en) * | 2019-08-09 | 2019-10-18 | 广东省智能机器人研究院 | A kind of hub motor suspension fork mechanism applied to planet gear type vehicle |
| CN110561998A (en) * | 2018-11-29 | 2019-12-13 | 长城汽车股份有限公司 | trailing arm assembly |
| CN111186270A (en) * | 2020-01-22 | 2020-05-22 | 同济大学 | Electric wheel independent suspension structure with four control arms |
| CN111645481A (en) * | 2020-06-18 | 2020-09-11 | 齐鲁工业大学 | Transverse stabilization reinforcing apparatus based on hub motor and semitrailer |
| US10788090B2 (en) | 2016-07-15 | 2020-09-29 | Qiguang Wang | Automobile having disc type hub motor |
| CN112313097A (en) * | 2018-06-11 | 2021-02-02 | 瑞维安知识产权控股有限责任公司 | Suspension with active damping to adjust recline dynamics |
| CN112896300A (en) * | 2021-03-16 | 2021-06-04 | 东风汽车集团股份有限公司 | Steering force adjusting mechanism, automobile and steering force adjusting method |
| CN113071267A (en) * | 2021-03-29 | 2021-07-06 | 兰溪市联盛汽车部件制造有限公司 | Double-front-axle steering mechanism with damping effect |
| CN115320711A (en) * | 2022-08-22 | 2022-11-11 | 开沃新能源汽车集团股份有限公司 | Pure electric wire control chassis |
| CN116238276A (en) * | 2023-03-15 | 2023-06-09 | 艾德斯汽车电机无锡有限公司 | Swing arm assembly arrangement structure of automobile with hub motor |
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| CN205292170U (en) * | 2016-01-20 | 2016-06-08 | 武汉科技大学 | A two trailing arm type suspension that is used for in -wheel motor driving car of wide -angle directive wheel |
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| JPS6444308A (en) * | 1987-08-10 | 1989-02-16 | Honda Motor Co Ltd | Steering wheel suspension |
| EP0457296A2 (en) * | 1990-05-16 | 1991-11-21 | Toyota Jidosha Kabushiki Kaisha | Double arm suspension for a steered and driven vehicle wheel |
| 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 |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11053996B2 (en) | 2016-07-15 | 2021-07-06 | Qiguang Wang | Hub motor |
| WO2018010524A1 (en) * | 2016-07-15 | 2018-01-18 | 山东贝格新能源科技有限公司 | Motor and brake disc thereof, hub motor, and vehicle having a disc hub motor |
| US10788090B2 (en) | 2016-07-15 | 2020-09-29 | Qiguang Wang | Automobile having disc type hub motor |
| CN106627102A (en) * | 2017-02-10 | 2017-05-10 | 中国第汽车股份有限公司 | Wheel hub motor driving device |
| CN106926656A (en) * | 2017-03-21 | 2017-07-07 | 中国第汽车股份有限公司 | A kind of suspension frame structure for carrying wheel hub motor |
| CN107415675A (en) * | 2017-05-08 | 2017-12-01 | 中国第汽车股份有限公司 | A kind of automobile chassis of integrated wheel motor drive device |
| CN112313097B (en) * | 2018-06-11 | 2023-08-22 | 瑞维安知识产权控股有限责任公司 | Suspension with active damping for adjusting recline dynamics |
| CN112313097A (en) * | 2018-06-11 | 2021-02-02 | 瑞维安知识产权控股有限责任公司 | Suspension with active damping to adjust recline dynamics |
| CN110561998A (en) * | 2018-11-29 | 2019-12-13 | 长城汽车股份有限公司 | trailing arm assembly |
| CN110561998B (en) * | 2018-11-29 | 2021-09-21 | 长城汽车股份有限公司 | Trailing arm assembly |
| CN109514157A (en) * | 2018-12-19 | 2019-03-26 | 华侨大学 | Racing car suspension shackle welds positioning mechanism |
| CN110341411A (en) * | 2019-08-09 | 2019-10-18 | 广东省智能机器人研究院 | A kind of hub motor suspension fork mechanism applied to planet gear type vehicle |
| CN110341411B (en) * | 2019-08-09 | 2023-12-29 | 广东省智能机器人研究院 | Wheel hub motor suspension mechanism applied to planetary wheeled vehicle |
| CN111186270B (en) * | 2020-01-22 | 2022-09-20 | 同济大学 | Electric wheel independent suspension structure with four control arms |
| CN111186270A (en) * | 2020-01-22 | 2020-05-22 | 同济大学 | Electric wheel independent suspension structure with four control arms |
| CN111645481A (en) * | 2020-06-18 | 2020-09-11 | 齐鲁工业大学 | Transverse stabilization reinforcing apparatus based on hub motor and semitrailer |
| CN111645481B (en) * | 2020-06-18 | 2022-01-28 | 齐鲁工业大学 | Transverse stabilization reinforcing apparatus based on hub motor and semitrailer |
| CN112896300A (en) * | 2021-03-16 | 2021-06-04 | 东风汽车集团股份有限公司 | Steering force adjusting mechanism, automobile and steering force adjusting method |
| CN113071267A (en) * | 2021-03-29 | 2021-07-06 | 兰溪市联盛汽车部件制造有限公司 | Double-front-axle steering mechanism with damping effect |
| CN113071267B (en) * | 2021-03-29 | 2022-12-13 | 兰溪市联盛汽车部件制造有限公司 | Double-front-axle steering mechanism with damping effect |
| CN115320711A (en) * | 2022-08-22 | 2022-11-11 | 开沃新能源汽车集团股份有限公司 | Pure electric wire control chassis |
| CN116238276A (en) * | 2023-03-15 | 2023-06-09 | 艾德斯汽车电机无锡有限公司 | Swing arm assembly arrangement structure of automobile with hub motor |
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Effective date of registration: 20210220 Address after: 224002 2nd floor, building 6, CAIJIAN garden, Yancheng Economic Development Zone, Jiangsu Province Patentee after: Yancheng Dongfang Xingda Agricultural Development Co.,Ltd. Address before: Room 1404, building 4, No.5, South hope Avenue, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province 224000 Patentee before: Yancheng yaen Technology Co.,Ltd. |
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