CN101342848A - A new type of electric vehicle double trailing arm suspension wheel side drive structure - Google Patents
A new type of electric vehicle double trailing arm suspension wheel side drive structure Download PDFInfo
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- CN101342848A CN101342848A CNA2008100417419A CN200810041741A CN101342848A CN 101342848 A CN101342848 A CN 101342848A CN A2008100417419 A CNA2008100417419 A CN A2008100417419A CN 200810041741 A CN200810041741 A CN 200810041741A CN 101342848 A CN101342848 A CN 101342848A
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- 239000000725 suspension Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009191 jumping Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
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- 230000001141 propulsive effect Effects 0.000 description 1
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Abstract
本发明新型电动车双纵臂式悬架轮边驱动结构，采用了一种双纵臂式悬架，其上下两纵臂平行且等长，那么连同主销以及上下纵臂与车架铰接点的连线，在车身的侧平面内，就形成一个平行四边形机构。同时电机输出轴与车轮轴分别安装在这个平行四边形的两竖直边的中心位置，在悬架跳动过程中，车轮轴和电机输出轴的距离始终保持不变。电机直接安装在车架上，与车轮轴之间通过带传动或链传动，传动的同时亦可起到减速增扭的作用，还便于采用高速内转子电机以获得较高的比功率，同时省去了内转子电机电动轮常用的减速装置。本发明克服了电动轮簧下质量过大的缺点，同时电机在结构及安装布置上获得了较大的设计空间。
The wheel drive structure of the novel electric vehicle double trailing arm type suspension adopts a double trailing arm type suspension. The upper and lower trailing arms are parallel and equal in length. The connection line, in the side plane of the vehicle body, just forms a parallelogram mechanism. Simultaneously, the motor output shaft and the wheel shaft are respectively installed at the center positions of the two vertical sides of the parallelogram, and during the suspension jumping process, the distance between the wheel shaft and the motor output shaft remains constant. The motor is directly installed on the frame, and is connected to the wheel shaft through a belt drive or a chain drive. The drive can also play the role of deceleration and torque increase. It is also convenient to use a high-speed inner rotor motor to obtain higher specific power and save energy. The deceleration device commonly used for the electric wheel of the inner rotor motor is removed. The invention overcomes the shortcoming that the unsprung mass of the electric wheel is too large, and at the same time, the motor obtains a large design space in terms of structure and installation arrangement.
Description
Technical field
The invention belongs to the electronlmobil field, relate to hub reduction transmission and relevant two trailing arm suspension frame structures thereof.
Background technology
Electronlmobil can be divided into concentrated type motor-driven and electric drive wheel drive form according to the difference of wheel driving motor mode.Concentrate generally palpus process retarder of type motor-driven transmission of power, diff, transmission shaft, mechanicals device such as universal-joint are passed to drive wheel.This driving pattern complex structure, driving efficiency is low, and wheel can not independently be controlled.The electric drive wheel drive form then is directly installed on electrical motor on the drive wheel, drive system and complete vehicle structure be succinct, can utilize that the space is big, driving efficiency is high, the propulsive effort of each electric drive wheel is independent controlled, and dynamics Controlling is more flexible, convenient, helps improving the rideability under the abominable pavement conditions.Electric drive wheel drives used motor and mainly contains high speed inner rotor motor and low speed external rotor electric machine.High speed inner rotor motor volume is little, light weight, cost is low, power density is high, but generally must be after epicyclic reduction gear slows down with transmission of power to wheel; External rotor electric machine can provide higher torque direct drive wheel, and mechanism is simple, but its volume is big, the quality height, and power density is low.The wheel limit mechanism structure complexity of electric drive wheel in addition, nonspring carried mass is big, and motor size and quality are very limited.The electric drive wheel transmission is compared with concentrated drive of motor and is had greater advantage, but deficiency is also quite obvious.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of novel electric vehicle double trailing arm type suspension wheel limit to drive, it has the outstanding advantage of electric drive wheel concurrently, can overcome the excessive shortcoming of electric drive wheel unsprung weight again.
For reaching above purpose, solution of the present invention is:
A kind of novel electric vehicle double trailing arm type suspension wheel edge drive structure, it comprises motor, brake disc, brake clamp, wheel hub supporting member, axle housing, synchronous band, tension wheel, big belt wheel, small pulley, and double trailing arm type suspension.Wherein upper and lower two trailing arms of double trailing arm type suspension are parallel and isometric, with the stub and the line of trailing arm and vehicle frame hinge-point up and down, in the side plane of vehicle body, form a parallel-crank mechanism.
Further, motor output shaft and axletree are installed in the center of two vertical edges of described parallelogram respectively, and motor is consolidated in vehicle frame; Or the line that only satisfies motor shaft and axletree installation site is parallel to (descending) trailing arm.
This small pulley is connected with motor output shaft, and it is by the band transferring power is to big belt wheel synchronously, and can rising simultaneously slows down increases torsion effect.
This big belt wheel is connected one with jackshaft, links to each other with the wheel hub supporting member by spline; Jackshaft is by the shaft shoulder and the relative wheel hub supporting member of axle head baffle plate axial location; The wheel hub supporting member is bearing on the axle housing by hub bearing; Jackshaft is provided with little bearing between axle housing.
This tension wheel is installed on the tension wheel transverse bracket; The perpendicular support of tension wheel transverse bracket and vehicle frame, tension wheel is hinged by revolute; It is hinged that tension wheel erects support and following trailing arm, the tension wheel transverse bracket passes through revolute; The interface point of tension wheel transverse bracket and vehicle frame is on the axis of motor shaft; And the tension wheel transverse bracket is parallel to (descending) trailing arm, and the perpendicular support of tension wheel is parallel to stub.
This tension wheel is installed on the tension wheel transverse bracket; The perpendicular support of tension wheel is omitted; One end of transverse bracket and stub directly are hinged on the wheel axis position; The interface point of tension wheel transverse bracket and vehicle frame is on the axis of motor shaft.
This wheel hub supporting member is provided with brake disc.
This brake clamp is installed on the axle housing by the brake disc adapter plate.
This hub bearing is locked by jam nut by axle housing convex platform axial location.
This wheel hub supporting member has inner shoulder block and hub bearing axial location, locks by postive stop baffle.
This tension wheel is installed on the tension wheel transverse bracket by the screw that can adjust the position up and down.
Owing to adopted such scheme, the present invention to have following characteristics: can play to slow down during transmission of the present invention and increase the effect of turning round, also be convenient to adopt the high speed inner rotor motor, save inner rotor motor electric drive wheel speed reduction gearing commonly used simultaneously to obtain higher specific power.The present invention has kept the independent controlled advantage of electric drive wheel, has overcome the excessive shortcoming of electric drive wheel unsprung weight, and motor has obtained bigger design space on structure and mounting arrangements simultaneously.
Description of drawings
Fig. 1 is the two trailing arm suspension fork wheel edge driver module constructionals drawing of the battery-driven car on the embodiment of the invention direction.
Fig. 2 is the constructional drawing on the other direction embodiment illustrated in fig. 1.
Fig. 3 is the two trailing arm suspension fork wheel edge driver module structure exploded views of battery-driven car embodiment illustrated in fig. 1.
Fig. 4 is a wheel hub structure section-drawing embodiment illustrated in fig. 1.
Fig. 5 is two trailing arm suspensions and tension wheel mechanism kinematic relation principle figure embodiment illustrated in fig. 1.
Fig. 6 is two trailing arm suspensions and a tension wheel mechanism three-dimensional model diagram embodiment illustrated in fig. 1.
The specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
The present invention mainly comprises down trailing arm 1, motor 2, goes up trailing arm 3, big belt wheel 4, little bearing 5, axle housing 6, brake clamp adapter plate 7, brake clamp 8, wheel hub supporting member 9, axle head baffle plate 10, brake disc 12, jam nut 13, hub bearing 14, postive stop baffle 15, tension wheel transverse bracket 16, tension wheel 17, the perpendicular support 18 of tension wheel, small pulley 19, be with 20 synchronously, jackshaft 21.
The ingenious motion characteristics of also using double trailing arm type suspension of the present invention.The characteristics of this suspension are: two trailing arms are parallel and isometric up and down, together with the stub and the line of trailing arm and vehicle frame hinge-point up and down, in the side plane of vehicle body, just form a parallel-crank mechanism so.Like this motor output shaft and axletree are installed in the center of two vertical edges of this parallelogram respectively, in the suspension hopping process, the distance of axletree and motor output shaft remains constant.Motor is directly installed on the vehicle frame, and passes through strap drive or chain-driving between the axletree, and also can playing in the time of transmission slows down increases the effect of turning round.
Fig. 1-2 is depicted as the two trailing arm suspension fork wheel edge driver module constructionals drawing of battery-driven car on the different directions.3-D view from the both direction can clearly be found out the space structure layout of module.
As shown in Figure 3, be with 20 synchronously by adjustable tension wheel 17 tensionings.Tension wheel 17 is installed on the tension wheel transverse bracket 16 by the screw that can adjust the position up and down.The two ends of transverse bracket 16 are hinged by revolute with vehicle frame and perpendicular support 18 respectively, and the two ends of perpendicular support 18 are hinged by revolute with following trailing arm 1 and transverse bracket 16 respectively.Wherein transverse bracket 16 is positioned on the axis of motor shaft with the vehicle frame hinge-point, and transverse bracket 16 is parallel with trailing arm, and perpendicular support 18 is parallel with stub.In wheel bob process, the relative distance between small pulley 19, big belt wheel 4, the tension wheel 17 remains constant like this, and tensioning is reliable.
Hub bearing 14 is by the boss axial location on the axle housing 6, and by jam nut 13 lockings.Wheel hub supporting member 9 is by inner shoulder block and hub bearing 14 axial location, and by postive stop baffle 15 lockings.The side force that wheel 11 is subjected to is passed on the hub bearing 14 by wheel hub, wheel hub supporting member 9, again by jam nut 13 or directly be passed on axle housing 6 and the suspension by the boss on the axle housing.Jackshaft 21 (big belt wheel 4) is by the shaft shoulder and axle head baffle plate 10 relative wheel hub supporting member 9 axial location.The member of hub portion is arranged the assembly relation that has reflected the wheel hub inner structure among Fig. 3.Can analyze the stressed relation of wheel hub in-to-in by Fig. 5.
Two trailing arm suspensions have adopted the structure of parallelogram, make between small pulley and the big belt wheel that when suspension was beated, the distance of center remained unchanged.Now be illustrated in conjunction with Fig. 5.Fig. 5 is two trailing arm suspensions and tension wheel mechanism kinematic relation principle figure, and the diagram plane is vertical with axle centerline.BC, AD are respectively trailing arm up and down, satisfy BC=AD and BC//AD, by C, D point and vehicle frame handing-over; The E point is an axletree, that is the center of big belt wheel, is cemented on the AB; The F point is positioned on the line of CD, is motor shaft, that is the center of small pulley, and motor is cemented on the vehicle frame, and satisfies AE=DF; HFI is the tension wheel transverse bracket, and is hinged by F point and vehicle frame, and the I point is the tension wheel attachment point; HG is the perpendicular support of tension wheel, and is point articulated on AD by G, hinged by H point and tension wheel transverse bracket; And satisfy and concern HG//FD, HF//GD.
When the relative vehicle frame bob of wheel, parallel-crank mechanism ABCD, GHFD are arranged.Because AE=DF, so EF//AD and EF=AD, promptly the distance between E, the F point remains constantly, at E, F point big belt wheel is installed respectively so, small pulley can be realized synchronous strap drive.In parallel-crank mechanism GHFD, HF//GD, EF//AD again, thus E on the extended line of FH, further, the distance between E, the I remains unchanged.E, F, I 3 points like this, any 2 distances are constant, that is big belt wheel, small pulley, tension wheel in twos between the center distance constant.At the I point tensioning that tension wheel has just been realized synchronous band is installed so.
Further, DG is greater than 0 and can both realize above-mentioned motion characteristics smaller or equal to DA.For the mechanism that has than the macrostructure design space, can make when the coincidence of H, E point, promptly perpendicular support is omitted, and transverse bracket directly is hinged on the stub.
Fig. 6 is two trailing arm suspensions and tension wheel mechanism three-dimensional model diagram.Clearly give expression to the connection positioning relation of suspension, tension wheel mechanism and vehicle frame among the figure.By the partial enlarged drawing of tension wheel as can be seen, tension wheel is installed on the tension wheel transverse bracket that has chute by nut, but the up-down adjustment position is to reach best tensile force requirement; Spring and bumper are installed in down in the groove 23 of trailing arm 3, do not interfere with peripheral structure, and can guarantee long movement travel.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (9)
1, a kind of novel electric vehicle double trailing arm type suspension wheel edge drive structure, it comprises motor, brake disc, brake clamp, wheel hub supporting member, axle housing, synchronous band, tension wheel, big belt wheel, small pulley, it also comprises double trailing arm type suspension, it is characterized in that: its upper and lower two trailing arms are parallel and isometric, with the stub and the line of trailing arm and vehicle frame hinge-point up and down, in the side plane of vehicle body, form a parallel-crank mechanism.
2, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 1, it is characterized in that: motor output shaft and axletree are installed in the center of two vertical edges of described parallelogram respectively, and motor is consolidated in vehicle frame; Perhaps the line of motor shaft and axletree installation site is parallel to trailing arm up and down.
3, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 1, it is characterized in that: this small pulley is connected with motor output shaft, links to each other with big belt wheel and transmits power by synchronous band.
4, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 1, it is characterized in that: this big belt wheel is connected one with jackshaft, links to each other with the wheel hub supporting member by spline; Jackshaft is by the shaft shoulder and the relative wheel hub supporting member of axle head baffle plate axial location; The wheel hub supporting member is bearing on the axle housing by hub bearing; Jackshaft is provided with little bearing between axle housing.
5, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 1, it is characterized in that: this tension wheel is installed on the tension wheel transverse bracket; The perpendicular support of tension wheel transverse bracket and vehicle frame, tension wheel is hinged by revolute; It is hinged that tension wheel erects support and following trailing arm, the tension wheel transverse bracket passes through revolute; The interface point of tension wheel transverse bracket and vehicle frame is on the axis of motor shaft; And the tension wheel transverse bracket is parallel to trailing arm up and down, and the perpendicular support of tension wheel is parallel to stub.
6, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 1, it is characterized in that: this tension wheel is installed on the tension wheel transverse bracket; The perpendicular support of tension wheel is omitted; One end of transverse bracket and stub directly are hinged on the wheel axis position; The interface point of tension wheel transverse bracket and vehicle frame is on the axis of motor shaft.
7, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 4, it is characterized in that: this hub bearing is locked by jam nut by axle housing convex platform axial location.
8, novel electric vehicle double trailing arm type suspension wheel edge drive structure as claimed in claim 4, it is characterized in that: this wheel hub supporting member has inner shoulder block and hub bearing axial location, locks by postive stop baffle.
9, as claim 5 or 6 each described novel electric vehicle double trailing arm type suspension wheel edge drive structures, it is characterized in that: this tension wheel is installed on the tension wheel transverse bracket by the screw that can adjust the position up and down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100417419A CN101342848B (en) | 2008-08-15 | 2008-08-15 | A new type of electric vehicle double trailing arm suspension wheel side drive structure |
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| CN2008100417419A CN101342848B (en) | 2008-08-15 | 2008-08-15 | A new type of electric vehicle double trailing arm suspension wheel side drive structure |
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| CN101342848A true CN101342848A (en) | 2009-01-14 |
| CN101342848B CN101342848B (en) | 2010-07-14 |
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| CN2008100417419A Expired - Fee Related CN101342848B (en) | 2008-08-15 | 2008-08-15 | A new type of electric vehicle double trailing arm suspension wheel side drive structure |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985278A (en) * | 2010-11-05 | 2011-03-16 | 同济大学 | Reduction type wheel electric drive and vertical jitter type suspension system of electric vehicle |
| CN102009576A (en) * | 2010-12-01 | 2011-04-13 | 同济大学 | Single trailing arm suspension deceleration type wheel electric drive system |
| CN102673365A (en) * | 2012-06-01 | 2012-09-19 | 同济大学 | Hybrid power electric automobile driving system by utilizing synchronous belt transmission |
| CN102745073A (en) * | 2012-06-18 | 2012-10-24 | 同济大学 | Integrated single swinging arm suspension synchronous belt reduction type hub electric-drive system with tension device |
| CN102774267A (en) * | 2012-07-30 | 2012-11-14 | 同济大学 | Integrated double trailing arm suspension wheel-side electric driving system for steering wheel |
| CN102887069A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Integrated double-cross-arm suspension reduction type electric wheel driving system |
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN103935203A (en) * | 2014-04-14 | 2014-07-23 | 同济大学 | Unequal-length double-trailing-arm suspension wheel side electric driving system |
| CN104703860A (en) * | 2012-09-07 | 2015-06-10 | 微型电子设备发射器公司 | Power steering system for vehicles |
| CN105305714A (en) * | 2015-11-11 | 2016-02-03 | 无锡市星伟车辆配件有限公司 | Center motor assembly for electric vehicle or electric motorcycle |
| CN110001325A (en) * | 2019-03-27 | 2019-07-12 | 清华大学 | Electric wheel |
| CN111186274A (en) * | 2020-01-21 | 2020-05-22 | 同济大学 | An electric wheel McPherson suspension structure with adjustable kingpin axis position |
| CN111186270A (en) * | 2020-01-22 | 2020-05-22 | 同济大学 | An electric wheel independent suspension structure with four control arms |
| CN112238895A (en) * | 2020-10-16 | 2021-01-19 | 中国北方车辆研究所 | Independent steering system with steering motor arranged on equal-length double-trailing-arm suspension knuckle |
| 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 |
-
2008
- 2008-08-15 CN CN2008100417419A patent/CN101342848B/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985278B (en) * | 2010-11-05 | 2012-12-05 | 同济大学 | Reduction type wheel electric drive and vertical jitter type suspension system of electric vehicle |
| CN101985278A (en) * | 2010-11-05 | 2011-03-16 | 同济大学 | Reduction type wheel electric drive and vertical jitter type suspension system of electric vehicle |
| CN102009576A (en) * | 2010-12-01 | 2011-04-13 | 同济大学 | Single trailing arm suspension deceleration type wheel electric drive system |
| CN103204059B (en) * | 2012-01-16 | 2015-10-28 | 同济大学 | A kind of electric wheel limit power drive system |
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN102673365A (en) * | 2012-06-01 | 2012-09-19 | 同济大学 | Hybrid power electric automobile driving system by utilizing synchronous belt transmission |
| CN102745073B (en) * | 2012-06-18 | 2014-09-17 | 同济大学 | Integrated single swinging arm suspension synchronous belt reduction type hub electric-drive system with tension device |
| CN102745073A (en) * | 2012-06-18 | 2012-10-24 | 同济大学 | Integrated single swinging arm suspension synchronous belt reduction type hub electric-drive system with tension device |
| CN102774267B (en) * | 2012-07-30 | 2014-11-05 | 同济大学 | Integrated double trailing arm suspension wheel-side electric driving system for steering wheel |
| CN102774267A (en) * | 2012-07-30 | 2012-11-14 | 同济大学 | Integrated double trailing arm suspension wheel-side electric driving system for steering wheel |
| CN104703860A (en) * | 2012-09-07 | 2015-06-10 | 微型电子设备发射器公司 | Power steering system for vehicles |
| CN102887069A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Integrated double-cross-arm suspension reduction type electric wheel driving system |
| CN103935203A (en) * | 2014-04-14 | 2014-07-23 | 同济大学 | Unequal-length double-trailing-arm suspension wheel side electric driving system |
| CN105305714A (en) * | 2015-11-11 | 2016-02-03 | 无锡市星伟车辆配件有限公司 | Center motor assembly for electric vehicle or electric motorcycle |
| CN110001325A (en) * | 2019-03-27 | 2019-07-12 | 清华大学 | Electric wheel |
| CN111186274A (en) * | 2020-01-21 | 2020-05-22 | 同济大学 | An electric wheel McPherson suspension structure with adjustable kingpin axis position |
| CN111186270A (en) * | 2020-01-22 | 2020-05-22 | 同济大学 | An electric wheel independent suspension structure with four control arms |
| CN111186270B (en) * | 2020-01-22 | 2022-09-20 | 同济大学 | An electric wheel independent suspension structure with four control arms |
| CN112238895A (en) * | 2020-10-16 | 2021-01-19 | 中国北方车辆研究所 | Independent steering system with steering motor arranged on equal-length double-trailing-arm suspension knuckle |
| 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 |
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| CN101342848B (en) | 2010-07-14 |
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