CN204956076U - Electric automobile torsion beam formula actuating system - Google Patents

Electric automobile torsion beam formula actuating system Download PDF

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Publication number
CN204956076U
CN204956076U CN201520699690.4U CN201520699690U CN204956076U CN 204956076 U CN204956076 U CN 204956076U CN 201520699690 U CN201520699690 U CN 201520699690U CN 204956076 U CN204956076 U CN 204956076U
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China
Prior art keywords
retarder
gear
reducer
drive shaft
motor
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Expired - Fee Related
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CN201520699690.4U
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Chinese (zh)
Inventor
时培成
宴长山
奚琳
李震
肖平
张荣芸
刘瑞
刘小号
沈晨冰
张颂
何坤鹏
廖小双
张�林
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Anhui Polytechnic University
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Anhui Polytechnic University
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Priority to CN201520699690.4U priority Critical patent/CN204956076U/en
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Publication of CN204956076U publication Critical patent/CN204956076U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an electric automobile torsion beam formula actuating system, including the torsion roof beam, the motor that is fixed with of torsion roof beam both ends symmetry, the motor pass through the reduction gear and be connected with wheel hub. The utility model discloses fusing torsion beam formula suspension and wheel reduction with constitution electric automobile actuating system for electronic round, not only can satisfying the normal dynamic property demand of small -size electric automobile, and can reduce whole car quality, the design drive ratio is big, and mechanical transmission efficiency is high.

Description

A kind of electronlmobil torsion girder-like drive system
Technical field
The utility model relates to electric automobiles, particularly relates to electronlmobil torsion girder-like drive system.
Background technology
Direct wheel drives formula electronlmobil is emerging a kind of electronlmobil drive form.Electrical motor is directly arranged on wheel limit by it, eliminate the parts such as the power-transfer clutch of orthodox car, change-speed box, main reduction gear and diff, enormously simplify complete vehicle structure, improve driving efficiency, and realize the Electronic differential control to electric drive wheel by control technology.Thus electric wheeled battery-driven car becomes the developing direction of following electronlmobil.
Electric wheeled power drive system has Direct driver electric drive wheel and wheel reduction gear electric drive wheel two kinds of base models.The electrical motor of direct drive electronlmobil and wheel form a whole parts assembly, adopt Electronic differential control mode, and motor arrangement is at inside wheel, and direct drive of wheel driving automobile travels.
Wheel reduction gear In-wheel-motor driving system can adapt to the operating needs of modern high performance electronlmobil, belongs to deceleration type.Torsion beam type suspension uses very general on miniature car rear-mounted, and many common compact cars just adopt front MacPherson strut at present, the arrangement of retrotorsion beam axle type suspension.
In view of the general usability of torsion beam type suspension on miniature car, wheel reduction gear In-wheel-motor driving system combines with torsion beam type suspension by the utility model, designs a kind of torsion girder-like Direct wheel drives system, to being widely applied on small-sized electric car.
Utility model content
Technical problem to be solved in the utility model realizes a kind of drive system of electric automobile merging torsion beam type suspension and wheel reduction gear electric drive wheel.
To achieve these goals, the technical solution adopted in the utility model is a kind of electronlmobil torsion girder-like drive system, comprises torsion beam, and described torsion beam two ends are symmetrically fixed with motor, and described motor is connected with wheel hub by retarder.
Described retarder comprises retarder driver gear, retarder tween drive shaft transmission gear I, retarder tween drive shaft transmission gear II, reducer power output gear, reducer output shaft measure speed gears, retarder tween drive shaft and reducer power output shaft; The output shaft connection reducer driven wheel of described motor, described retarder driver gear engages with retarder tween drive shaft transmission gear I; Described retarder tween drive shaft transmission gear I is fixed on retarder tween drive shaft, described retarder tween drive shaft is provided with retarder tween drive shaft transmission gear II, described retarder tween drive shaft transmission gear II is meshed with the reducer power output gear on reducer output shaft, described reducer output shaft and brake disc connect firmly, described reducer power output gear and reducer output shaft measure speed gears all with reducer power output shaft consolidation.
Described wheel hub is provided with brake system, and described brake system comprises brake disc, brake clamp, brake caliper anchor plate, brake caliper anchor plate connecting element, and described brake clamp is fixedly connected with by bolt and nut with brake caliper anchor plate; Brake caliper anchor plate and brake caliper anchor plate connecting element are bolted to connection; Brake caliper anchor plate connecting element is fixedly connected with reducer output shaft axle housing; Described brake disc offers brake disc boss, boss offers tapped bore, described wheel hub offers wheel hub boss, wheel hub boss offers tapped bore, and described brake disc boss and wheel hub boss are fixed by bolt, nut and are connected.
Described torsion beam both sides are provided with bumper mount pad, and bumper is fixed in torsion beam by bumper mount pad symmetry.
Be connected with motor two described wheel hubs are electronlmobil trailing wheel.
Described torsion beam two ends are provided with the supporter of longitudinal extension, described supporter one end and motor housing affixed, the other end is provided with torsion beam and vehicle body mounting hole, and described motor housing bonnet end is provided with the bumper mount pad extended by supporter.
Described reducer power output gear, retarder tween drive shaft transmission gear II, retarder tween drive shaft transmission gear I, retarder driver gear are helical spur gear, and reducer output shaft measure speed gears is spur wheel.
Torsion beam type suspension and wheel reduction gear electric drive wheel are merged formation drive system of electric automobile by the utility model, can not only meet small-sized electric vehicle normal kinetic sexual demand, and can reduce complete vehicle quality, design transmitting ratio is large, mechanical transfer efficiency is high, specifically, has the following advantages:
From structure, current electronlmobil wheel edging deceleration system is mostly planetary gear type Direct driver wheel edging deceleration system, but Planetary Gear Transmission wheel hub inner structure is complicated and add the quality of wheel hub, be unfavorable for vehicle running smoothness and travelling comfort, wheel hub also needs brand-new design.Contrast planetary gear type Direct wheel drives system, drive motor, driver train, transmission device are put in torsion beam by the utility model, and wheel hub can use existing wheel hub, and the design space of gear wheel is larger, and reduction ratio range of choices is wider.
From parts manufacture view, planetary gear construction has inner gear, and when during assembling, internally toothed annulus and satellite gear number are selected improper, satellite gear there will be unbalance loading, requires higher to element precision.And when manufacturing, internal tooth processing is more complicated, and cost is higher.The all gears of the utility model drive system are all common external tooth helical wheels, manufacture and have more universalization, easier standardized production, and during assembling, operational space is larger, decreases manufacture and cost of labor undoubtedly.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in the utility model specification sheets below and figure is briefly described:
Fig. 1 is the single-side structural sketch of drive system;
Fig. 2 is the deceleration system layout of drive system;
Fig. 3 is the arrangement plan of the brake system of drive system;
Fig. 4 is the power input arrangement plan of drive system;
Fig. 5 is torsion beam system and the shock mitigation system arrangement plan of drive system;
Fig. 6 is the wheel hub structure figure of drive system;
Fig. 7 is the brake system structure figure of drive system;
Fig. 8 is the deceleration system construction drawing of drive system;
Fig. 9 is the power feed system constructional drawing of drive system;
Figure 10 is the shock mitigation system of drive system and the constructional drawing of torsion beam system;
Figure 11 is the reducer shell constructional drawing of drive system;
Figure 12 is the disassembly diagram of drive system;
Figure 13 is the assembly structure figure of drive system;
Mark in above-mentioned figure is: 1, wheel; 2, retarder; 3, motor; 4, bumper; 5, wheel hub; 6, reducer power output gear; 7, retarder tween drive shaft transmission gear II; 8, retarder tween drive shaft transmission gear I; 9, reducer output shaft measure speed gears; 10, retarder driver gear; 11, reducer output shaft axle housing; 12, brake caliper anchor plate connecting element; 13, brake caliper anchor plate; 14, brake clamp; 15, brake disc; 16, reducer shell reinforced rib; 17, motor power output shaft; 18, retarder tween drive shaft; 19, reducer power output shaft; 20, torsion beam hold-down bolt hole; 21, motor housing front end cover; 22, torsion beam; 23, machinery check and repair box; 24, tapped bore installed by wheel hub; 25, cranked tire valve mounting hole; 26, reducer shell installs tapped bore; 27, connection box for motor; 28, reducer power output shaft mount pad; 29, reducer shell installs tapped bore; 30, bumper mount pad; 31, reducer shell hold-down bolt; 32, the dust-proof leather sheath of piston lever of reducer; 33, bumper urceolus; 34, damping spring; 35, torsion beam and vehicle body mounting hole; 36, oil hole bolt; 37, retarder oil hole; 38, reducer shell tapped bore.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and principle of work, be described in further detail, to help, those skilled in the art conceive utility model of the present utility model, technical scheme has more complete, accurate and deep understanding.
As shown in Fig. 1-5 and Fig. 8, electronlmobil torsion girder-like drive system is rear drive system, rear overhang rack is torsion beam 22, the motor 3 that torsion beam 22 two ends are symmetrically fixed with, motor 3 is connected with wheel hub 5 by retarder 2, two wheel hubs 5 be connected with motor 3 are electronlmobil trailing wheel, and two trailing wheels are respectively by two motors 3 and retarder 2 individual drive thereof.
As shown in Fig. 2,8,12, retarder 2 mainly comprises retarder driver gear 10 (primary speed-down gear), retarder tween drive shaft transmission gear I8 (primary speed-down gear), retarder tween drive shaft transmission gear II7 (double-reduction gear), reducer power output gear 6 (double-reduction gear), reducer output shaft measure speed gears 9, motor power output shaft 17, retarder tween drive shaft 18 and reducer power output shaft 19.Retarder driver gear 10 and retarder tween drive shaft transmission gear I8 (primary speed-down gear) engaged transmission on retarder tween drive shaft 18, form primary speed-down mechanism; Retarder tween drive shaft transmission gear II7 (double-reduction gear) and reducer power output gear 6 (double-reduction gear) engaged transmission on reducer power output shaft 19, form two reduction gear.
With reference to the accompanying drawings all parts annexation is described in detail:
The output shaft connection reducer driven wheel 10 of motor 3, retarder driver gear 10 engages with retarder tween drive shaft transmission gear I8; Retarder intermediate drive gear I7 is fixed on retarder tween drive shaft 18, and retarder tween drive shaft 18 is provided with the retarder tween drive shaft transmission gear II7 be meshed with the reducer power output gear 6 on reducer output shaft simultaneously; Brake disc 15 and reducer power output shaft 19 connect firmly, simultaneously reducer power output gear 6 and reducer output shaft measure speed gears 9 all with reducer power output shaft 19 consolidation.
In order to better improve work efficiency and the stability of retarder 2, reducer power output gear 6 (double-reduction gear), retarder tween drive shaft transmission gear II7 (double-reduction gear), retarder tween drive shaft transmission gear I8 (primary speed-down gear), retarder driver gear 10 (primary speed-down gear) are helical spur gear, and reducer output shaft measure speed gears 9 is spur wheel.
The concrete driving principle of above-mentioned retarder 2 is as follows: deceleration motor 3 input power is to motor power output shaft 17, retarder driver gear 10 on drive motor power take-off shaft 17, retarder driver gear 10 keeps often engaging with retarder tween drive shaft transmission gear I8, and then drive retarder tween drive shaft transmission gear I8 to rotate, retarder tween drive shaft transmission gear I8 drives retarder tween drive shaft 18 to rotate, retarder tween drive shaft transmission gear II7 affixed on retarder tween drive shaft 18 rotates thereupon, and then drive the reducer power output gear 6 of normal engagement with it to rotate, power is delivered to wheel hub 5 by reducer power output shaft 19 by reducer power output gear 6, realize slowing down and increase square.
Due to the transmitting ratio adopting Multi-stage transmission can enlarge markedly deceleration system, thus reduce deceleration motor 3 size, not only make structure become compact, and processing, I& M performance is good, can improve the whole service life of electric wheel 1 limit drive system.
As shown in Fig. 3, Fig. 7, wheel hub 5 is provided with brake system, and brake system comprises brake disc 15, brake clamp 14, brake caliper anchor plate 13, brake caliper anchor plate connecting element 12.Wherein brake clamp 14 is fixedly connected with by bolt and nut with brake caliper anchor plate 13; Brake caliper anchor plate 13 and brake caliper anchor plate connecting element 12 are bolted to connection; Brake caliper anchor plate connecting element 12 is fixedly connected with reducer output shaft axle housing 11.Brake disc 15 offers brake disc 15 boss, boss offers tapped bore; Wheel hub 5 offers wheel hub 5 boss, wheel hub 5 boss offers tapped bore, and brake disc 15 boss and wheel hub 5 boss are fixed by bolt, nut and are connected.
As shown in Fig. 1-3 and Figure 10, motor 3 shell is provided with torsion beam suspension system, torsion beam suspension system comprises bumper 4, torsion beam 22, reducing motor 3, and torsion beam 22, reducing motor 3 shell are affixed by torsion beam 22 hold-down bolt hole 20 and torsion beam 22.Torsion beam 22 two ends are provided with the supporter of longitudinal extension, supporter one end and motor 3 shell affixed, the other end is provided with torsion beam 22 and vehicle body mounting hole, and motor 3 shell bonnet end is provided with the bumper mount pad 30 extended by supporter.The large end of bumper 4 is positioned over the center of damping spring 34 downwards, and be fixed on bumper mount pad 30, bumper 4 piston rod and vehicle body are connected, and torsion beam 22 is also connected with vehicle body with vehicle body mounting hole by torsion beam 22 simultaneously, so just the monolateral drive system of the right and left is linked together.Such arrangement structure, can strengthen the balance of vehicle frame.
Based on above-mentioned electronlmobil torsion girder-like drive system, motor 3 is connected with the car body controller of battery-driven car; The driving method of electronlmobil is as follows:
Vehicle launch, System self-test;
When automobile gear level puts into forward gear, then drive two motors 3 with low-power operation, after the speed of a motor vehicle reaches rated value, motor 3 tramples ratio work according to Das Gaspedal simultaneously; The low-power operation of motor 3 is the power stages of 20%-50% under motor 3 rating horsepower state, and the low-power operation of such initial condition, can improve the service life of motor 3; Above-mentioned rated value (speed of a motor vehicle) can set as required, such as, be set as 20km/h; It is then carry out motor 3 power according to chaufeur manipulation acceleration mode to control that motor 3 tramples ratio work according to Das Gaspedal;
When automobile gear level is linked into reverse, car body controller sends centrally-mounted driving 3 in instruction control and works, and motor 3 carries out low speed and reverse and realizes reversing, drives two motors 3 with low-power operation during driving simultaneously; The low-power operation of motor 3 is the power stages of 20%-50% under motor 3 rating horsepower state, and the low-power operation of such initial condition, can improve the service life of motor 3;
When automobile gear level is linked into hill gear or S gear (suddenly accelerating gear), then drive two motors 3 with high-power operation simultaneously; High-power operation is then control motor 3 with the power stage of 90-100% under rating horsepower state.
If vehicle has cruise function, then when in vehicle travel process, start cruise function, then vehicle controls the horsepower output of two motors 3 according to current vehicle speed, if vehicle is in middling speed operating mode (such as the speed of a motor vehicle is lower than 40km/h), then control motor 3 with the normal power power stage of 50%-80% (under the motor 3 rating horsepower state) work, if vehicle is in high-speed working condition (such as the speed of a motor vehicle is greater than 40km/h), then control motor 3 with high-power operation the power stage of 90-100% (under the motor 3 rating horsepower state).
Based on said system and control method, torsion girder-like drive system can work under full speed of a motor vehicle operating mode, not only can move forward, also have car-backing function; Only deceleration motor 3 need be designed to the motor 3 being exported different power, moment of torsion, rotating speed by Body Control, preferred AC/DC brushless motor 3, power, moment of torsion, the rotating speed that instruction controls motor 3 output is sent by body control system, meet the traveling of automobile in different operating mode, greatly can improve the degree of utilization of electric energy, the travelled distance of automobile compared with the electronlmobil laying in identical electric energy with other, can be improved.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.

Claims (7)

1. an electronlmobil torsion girder-like drive system, comprises torsion beam, it is characterized in that: described torsion beam two ends are symmetrically fixed with motor, and described motor is connected with wheel hub by retarder.
2. electronlmobil torsion girder-like drive system according to claim 1, is characterized in that: described retarder comprises retarder driver gear, retarder tween drive shaft transmission gear I, retarder tween drive shaft transmission gear II, reducer power output gear, reducer output shaft measure speed gears, retarder tween drive shaft and reducer power output shaft; The output shaft connection reducer driven wheel of described motor, described retarder driver gear engages with retarder tween drive shaft transmission gear I; Described retarder tween drive shaft transmission gear I is fixed on retarder tween drive shaft, described retarder tween drive shaft is provided with retarder tween drive shaft transmission gear II, described retarder tween drive shaft transmission gear II is meshed with the reducer power output gear on reducer output shaft, described reducer output shaft and brake disc connect firmly, described reducer power output gear and reducer output shaft measure speed gears all with reducer power output shaft consolidation.
3. electronlmobil torsion girder-like drive system according to claim 2, it is characterized in that: described wheel hub is provided with brake system, described brake system comprises brake disc, brake clamp, brake caliper anchor plate, brake caliper anchor plate connecting element, and described brake clamp is fixedly connected with by bolt and nut with brake caliper anchor plate; Brake caliper anchor plate and brake caliper anchor plate connecting element are bolted to connection; Brake caliper anchor plate connecting element is fixedly connected with reducer output shaft axle housing; Described brake disc offers brake disc boss, boss offers tapped bore, described wheel hub offers wheel hub boss, wheel hub boss offers tapped bore, and described brake disc boss and wheel hub boss are fixed by bolt, nut and are connected.
4. the electronlmobil torsion girder-like drive system according to claim 1,2 or 3, is characterized in that: described torsion beam both sides are provided with bumper mount pad, and bumper is fixed in torsion beam by bumper mount pad symmetry.
5. electronlmobil torsion girder-like drive system according to claim 4, is characterized in that: be connected with motor two described wheel hubs are electronlmobil trailing wheel.
6. electronlmobil torsion girder-like drive system according to claim 5, it is characterized in that: described torsion beam two ends are provided with the supporter of longitudinal extension, described supporter one end and motor housing affixed, the other end is provided with torsion beam and vehicle body mounting hole, and described motor housing bonnet end is provided with the bumper mount pad extended by supporter.
7. electronlmobil torsion girder-like drive system according to claim 2, it is characterized in that: described reducer power output gear, retarder tween drive shaft transmission gear II, retarder tween drive shaft transmission gear I, retarder driver gear are helical spur gear, and reducer output shaft measure speed gears is spur wheel.
CN201520699690.4U 2015-09-10 2015-09-10 Electric automobile torsion beam formula actuating system Expired - Fee Related CN204956076U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105034790A (en) * 2015-09-10 2015-11-11 安徽工程大学 Electric automobile torsion girder type driving system and driving method of same
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
GB2619399A (en) * 2022-05-27 2023-12-06 Joy Global Underground Mining Llc Coupling between a steerable wheel and a housing in a vehicle wheel unit
CN117863866A (en) * 2024-03-11 2024-04-12 浙江创大汽车部件有限公司 Electric driving device for claw-shaped automobile hub

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105034790A (en) * 2015-09-10 2015-11-11 安徽工程大学 Electric automobile torsion girder type driving system and driving method of same
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
GB2619399A (en) * 2022-05-27 2023-12-06 Joy Global Underground Mining Llc Coupling between a steerable wheel and a housing in a vehicle wheel unit
CN117863866A (en) * 2024-03-11 2024-04-12 浙江创大汽车部件有限公司 Electric driving device for claw-shaped automobile hub
CN117863866B (en) * 2024-03-11 2024-05-24 浙江创大汽车部件有限公司 Electric driving device for claw-shaped automobile hub

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160113

Termination date: 20170910