CN103273802A - Suspension type driving front-and-rear axle assembly of electric car - Google Patents
Suspension type driving front-and-rear axle assembly of electric car Download PDFInfo
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- CN103273802A CN103273802A CN201310241719XA CN201310241719A CN103273802A CN 103273802 A CN103273802 A CN 103273802A CN 201310241719X A CN201310241719X A CN 201310241719XA CN 201310241719 A CN201310241719 A CN 201310241719A CN 103273802 A CN103273802 A CN 103273802A
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Abstract
The invention discloses a suspension type driving front-and-rear axle assembly of an electric car. The suspension type driving front-and-rear axle assembly is composed of a deceleration system, a transmission system, a braking system, a steering system, a damping system and a frame connection system, wherein the transmission system comprises a left semi-shaft (24), a right semi-shaft (24), a differential assembly, a left hub (19), a right hub (19), a left outer constant velocity universal joint assembly (17), a right outer constant velocity universal joint assembly (17), a left inner constant velocity universal joint assembly (23), a right inner constant velocity universal joint assembly (23), a left connecting shaft (20) and a right connecting shaft (20), the braking system comprises a left brake disc (15), a right brake disc (15), a left brake caliper assembly (16) and a right brake caliper assembly (16), the steering system comprises a left steering knuckle (18), a right steering knuckle (18), a steering arm (30), a left steering pull rod (29) and a right steering pull rod (29), the damping system comprises a left damper assembly (21), a right damper assembly (21), a left lower cross arm assembly (22) and a right lower cross arm assembly (22), and the frame connection system comprises a speed reducer casing assembly, the left damper assembly (21), the right damper assembly (21), the left lower cross arm assembly (22) and the right lower cross arm assembly (22). By the aid of the suspension type driving front-and-rear axle assembly, the operation comfort of a driver of the electric car can be improved, and the requirements of different users for car shapes are met.
Description
Technical field
The present invention relates to a kind of electric automobile drive axle assembly, particularly a kind of a kind of new electronlmobil that automobile Mike Fu Xunshi independent suspension structure and motorized motions front-rear axle and steering swivel system are combined into drives front and rear axle assembly--and the electronlmobil suspension type drives front and rear axle assembly.
the prospect technology
In recent years, along with improving constantly of people's environmental consciousness, the particularly recent lifting for PM2.5 index susceptibility, and the whole nation appearance of haze weather on a large scale, all allow and use the automobile of traditional petrol and diesel oil to become the target of public criticism, new-energy automobile becomes the focus of concern again.In order to solve the problem of oil shortage, improve air pollution, China is the major action using Development of EV as strategic industry.The new-energy automobile development program of putting into effect according to country, by 2012, China's pure electric automobile and plug-in hybrid-power automobile accumulative total volume of production and marketing strive reaching 500,000, to the year two thousand twenty, pure electric automobile and plug-in hybrid-power automobile productive capacity reach 2,000,000, and the accumulative total volume of production and marketing is over 5,000,000.
In the situation that the Present Global auto-industry face the huge challenge of financial crisis and energy environment issues; Development of EV; realize the electrification of energy source of car power system, promote the strategic transformation of orthodox car industry, formed in the world extensive common recognition.At present, China has put into effect many policies, helps and guide the fast development of electronlmobil industry, and government is intended to accelerate to improve the competitive power of domestic battery-driven car industry, shortens the maturity stage, realizes " bend is overtaken other vehicles " to Automobile Industry Abroad.Therefore, exploitation function admirable, electronlmobil that structure is attractive in appearance have become the developing direction of electronlmobil.
At present, on market, disclosed electric automobile drive axle assembly is as shown in (Fig. 1), generally contains brake hub 3 after two of major semiaxis 1, semi-minor axis 13, two of left and right brake assembly 2, left and right, rear axle housing assembly 4, the steel plate holder 5 of two of left and right, DC machine 6, back axle master and subtracts shell 7, a shaft gear 8, two reel gears 9, two shaft gears 10, deep bid tooth 11 and differential assembly 12; One shaft gear 8, two reel gears 9, two shaft gears 10, deep bid tooth 11 are positioned at main shell 7 inside that subtract, deep bid tooth 11 is connected with diff 12, two shaft gears 10 are connected with deep bid tooth 11, two reel gears 9 are connected with two shaft gears 10, two shaft gears 10 are connected with a shaft gear 8, one shaft gear 8 is connected with DC machine 6, diff 12 is connected with major semiaxis 1 and semi-minor axis 13 by axle side gear 14, major semiaxis 1, semi-minor axis 13 and with left and right Back-braking drum 3, be connected respectively, 3 of two of left and right Back-braking drums are connected with two tires of automobile respectively.During motion, DC machine 6 is rotated a shaft gear 8 that subtracts shell 7 inside by the master, two reel gears 9, two shaft gears 10, deep bid tooth 11 passes to diff 12, diff 12 is rotated, drive major semiaxis 1 by diff 12 again, semi-minor axis 13 rotates, major semiaxis 1, two tyre rotation of brake hub 3 interlock electronlmobils after semi-minor axis 13 drives two, thereby complete the feed motion of electronlmobil, two brake assemblys 2 are controlled the brake of car load, drive axle is connected with leaf spring and vehicle frame by two steel plate holders 5, this damping rigidity is excessively strong, cause excessively and jolt to chaufeur and passenger.
This shows, there are following two defects in existing electric automobile drive axle assembly:
1. be that its drive axle assembly generally adopts non-underslung direct coupled structure, thereby drive axle is connected with vehicle frame by leaf spring, the damping rigidity is excessively strong, to chaufeur and passenger, causes excessively and jolts;
2. drive axle is single driving, without turning function, can't realize like this forerunner the function turned to, and this structure can't meet the designing requirement of complete vehicle structure compactness;
3. because axle housing of the prior art is whole welded structure, make battery-driven car producer regulating wheel apart from the time, difficulty is larger.
Summary of the invention
The purpose of this invention is to provide a kind of new electric automobile drive axle assembly--the electronlmobil suspension type drives front and rear axle assembly, to overcome the various defects that exist in prior art, improve the operation comfort of electronlmobil chaufeur, meet to greatest extent the needs of different user to vehicle configuration simultaneously.
For realizing that the technical scheme that above-mentioned purpose of the present invention adopts is: a kind of electronlmobil suspension type drives front and rear axle assembly, comprise and contain DC machine, the reducer shell assembly, one shaft gear, two reel gears, the deceleration system of two shaft gears and deep bid tooth and the driving system that contains two of left and right semiaxis and differential assembly, it is characterized in that also containing brake system, steering swivel system, shock mitigation system reaches and the vehicle frame connected system, also be provided with two wheel hubs in left and right in described driving system, two the outer constant-velocity universal joint assemblies in left and right, the interior constant-velocity universal joint assembly in two of left and right and two of left and right adapter shaft, described brake system contains two brake discs in left and right, two brake caliper assemblys in left and right, described steering swivel system contains two of left and right steering swivel, spindle arm, two of left and right steering track rod, described shock mitigation system contains two of left and right vibration damper assembly, two of left and right lower cross arm assembly, described and vehicle frame connected system contains reducer shell assembly, two of left and right vibration damper assembly, two of left and right lower cross arm assembly, the left cap of DC machine and reducer shell assembly, right cap is connected, the deep bid tooth is connected by bolt with differential assembly, differential assembly is connected with two of the left and right semiaxis of driving system, two semiaxis in left and right are connected with the interior constant-velocity universal joint assembly in two of left and right respectively, two the interior constant-velocity universal joint assemblies in left and right are connected with two of left and right adapter shaft respectively, two adapter shafts in left and right are connected with the outer constant-velocity universal joint assembly in two of left and right respectively, two the outer constant-velocity universal joint assemblies in left and right are connected with two of left and right wheel hub respectively, two wheel hubs in left and right are connected with two of left and right brake disc respectively, two steering swivels in left and right are connected by bearing respectively with two of left and right wheel hub, on the steering swivel of two of left and right, be connected with respectively two steering track rods in left and right, two steering track rods in left and right are connected with spindle arm, two of left and right brake caliper assembly is separately fixed on the steering swivel of two of left and right, one end of two lower cross arm assemblies of two vibration damper assemblies and left and right in left and right is connected with two of left and right steering swivel respectively, the other end is connected with the vehicle frame of automobile.
Reducer shell left cap, reducer shell right cap connect into an integral body by bolt, pin, have additional respectively the fixed orifice be connected with vehicle frame simultaneously.
Principle of work of the present invention is:
DC machine is rotated, a shaft gear by deceleration system, two reel gears, two shaft gears, the deep bid tooth is realized double reduction after slowing down, because the deep bid tooth is connected with differential assembly, after differential assembly rotates, because differential assembly is connected with two of the left and right semiaxis of driving system, thereby, two of left and right semiaxis will rotate again by the interior constant-velocity universal joint assembly in two of left and right and pass to two adapter shafts in left and right, two of left and right adapter shaft is passed to two wheel hubs in left and right by the outer constant-velocity universal joint assembly in two of left and right by rotation again, two wheel hubs in left and right are passed to rotation on the left and right tire of electronlmobil by two of left and right brake disc again, thereby realize the feed motion of vehicle, reducer shell assembly in vehicle frame connected system and shock mitigation system (reducer shell left cap, reducer shell right cap), vibration damper assembly, lower cross arm assembly are connected with the relative position of the vehicle frame of automobile respectively, during vehicle operating, by the vibration damper assembly of shock mitigation system, the shock-absorbing function that the lower cross arm assembly completes vehicle, to chaufeur and passenger, bring comfortable feeling for taking, in automobile sport, the chaufeur steering wheel rotation, the steering box of driving automobile rotates, thereby the spindle arm that drives steering swivel system swings, then drive the steering swivel swing at two ends, left and right by the steering track rod be connected with spindle arm, steering swivel drives wheel hub and swings, thereby realizes the handling maneuver of tire.
Advantage of the present invention is as follows:
1, the present invention adopts Mike Fu Xunshi independent suspension structure (described Mike Fu Xunshi independent suspension structure is the suspension form that formula traveller (vibration damper assembly) and lower cross arm assembly form that tangles, and vibration damper assembly can doublely be done steering yoke bolt.This suspension structure is simple, characteristics of compact layout, front wheel alignment changes little, has good riding stability), due to the employing of electric axle independent suspension structure, greatly improved the operation comfort of chaufeur.
2, in driving system, by changing the length of adapter shaft, realize the requirement of client to different wheelspans, the performance space is provided to electronlmobil manufacturing factory.
3, due to the combination of steering swivel system, more improved the practicality of whole bridge, make whole bridge construction compacter, and realize that steeraxle, drive axle merge, complete the forerunner or rear-guard is selected arbitrarily, more development space is provided to electronic whole-car firm.
The accompanying drawing explanation
The structural representation that Fig. 1 is prior art.
The front view that Fig. 2 is the embodiment of the present invention.
The birds-eye view that Fig. 3 is the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, with the concrete example of implementing, the present invention will be further described.
By Fig. 2 and Fig. 3, can be found out, the present invention contain brake system, driving system, steering swivel system, shock mitigation system, with vehicle frame connected system, deceleration system; Brake system contains two of left and right brake disc 15, two of left and right brake caliper assembly 16; Driving system contains two wheel hubs 19 in left and right, the outer constant-velocity universal joint assembly 17 in two of left and right, two of left and right adapter shaft 20, the interior constant-velocity universal joint assembly 23 in two of left and right, two of left and right semiaxis 24, a differential assembly 12; Steering swivel system contains two steering swivels 18 in left and right, two of left and right steering track rod 29, a spindle arm 30; Shock mitigation system contains two of left and right vibration damper assembly 21, two of left and right lower cross arm assembly 22; Contain reducer shell assembly (also comprising the left cap 25 of reducer shell assembly, the right cap 26 of reducer shell assembly), two of left and right vibration damper assembly 21, two of left and right lower cross arm assembly 22 with the vehicle frame connected system; Deceleration system contains a DC machine 6, reducer shell assembly (comprising the left cap 25 of reducer shell assembly, the right cap 26 of reducer shell assembly), shaft gear 8, two reel gear 9, two shaft gear 10, a deep bid tooth 11
.
The left cap 25 of DC machine 6 and reducer shell assembly, right cap 26 is connected, deep bid tooth 11 is connected by bolt 31 with differential assembly 12, axle side gear 14 in differential assembly 12 is connected with two of the left and right semiaxis 24 of driving system, two semiaxis 24 in left and right are connected with the interior constant-velocity universal joint assembly 23 in two of left and right respectively, two the interior constant-velocity universal joint assemblies 23 in left and right are connected with two of left and right adapter shaft 20 respectively, two adapter shafts 20 in left and right are connected with the outer constant-velocity universal joint 17 in two of left and right respectively, two the outer constant-velocity universal joint assemblies 17 in left and right are connected with two of left and right wheel hub 19 respectively, two wheel hubs 19 in left and right are connected with two of left and right brake disc 15 respectively, two steering swivels 18 in left and right are connected by bearing 27 respectively with two of left and right wheel hub 19, on the steering swivel 18 of two of left and right, be connected with respectively two steering track rods 29 in left and right, two steering track rods 29 in left and right are connected with spindle arm 30, two of left and right brake caliper assembly 16 is separately fixed on the steering swivel 18 of two of left and right, one end of two lower cross arm assemblies 22 of two vibration damper assemblies 21 and left and right in left and right is connected with two of left and right steering swivel 18 respectively, the other end is connected with the vehicle frame of automobile.
Outside two of left and right, the outside of two interior constant-velocity universal joint assemblies 23 of constant-velocity universal joint 17 and left and right all is provided with protecting jacket 28.
Reducer shell left cap 25, reducer shell right cap 26 connect into an integral body by bolt, pin, have additional respectively the fixed orifice be connected with vehicle frame simultaneously.
DC machine 6 and reducer shell assembly (left cap 25, right cap 26) be connected, DC machine 6 is rotated, a shaft gear 8 by deceleration system, two reel gears 9, two shaft gears 10, deep bid tooth 11 rotates, and slowed down, because deep bid tooth 11 is connected with differential assembly 12 use bolts 31, then driving differential assembly 12 rotates, two semiaxis 24 of differential assembly 12 and driving system left and right are connected and rotate, two of left and right semiaxis 24 will rotate by two interior constant-velocity universal joint assemblies 23 and pass to 20 rotations of two of left and right adapter shaft, two of left and right adapter shaft 20 will rotate by the outer constant-velocity universal joint assembly 17 in two of left and right and pass to 19 rotations of two of left and right wheel hub, because two of left and right wheel hub 19 is connected with bolt with two of the left and right tire of two of left and right brake disc 15 and automobile, two of left and right wheel hub 19 rotates two of the left and right tyre rotation that drives two of left and right brake disc 15 and automobile, realize the walking function of vehicle.
Two steering swivels 18 in left and right are connected by bearing 27 with two of left and right wheel hub 19, realize relative motion between the two, when two of left and right wheel hub 19 rotates, two of left and right steering swivel 18 keeps relatively static, and the steering box of chaufeur steering wheel rotation driving automobile is while rotating, driving steering swivel system spindle arm 30 by ball pin swings, then driving two of left and right steering swivel 18 by two of the left and right steering track rod 29 be connected with spindle arm 30 swings, when two of left and right steering swivel 18 swings, can drive again two of left and right wheel hub 19 swings, thereby realize the handling maneuver of motor tire, two of left and right brake caliper assembly 16 is separately fixed on the steering swivel 18 of two of left and right, with 19 rotations of two of left and right wheel hub, realize relative static, when the present invention uses, brake pedal on automobile, to ride action by hydrostatic drive and pass to brake caliper assembly 16 cylinder actions, clamp two brake discs 15 in left and right, then make two tires of automobile stop operating, thereby complete the parking function of vehicle, one end of left and right two vibration damper assemblies 21 and left and right two lower cross arm assemblies 22 is connected with two of left and right steering swivel 18, and the other end is connected with the vehicle frame of automobile, thereby the shock-absorbing function of realizing vehicle reaches and the linkage function of vehicle frame.
Reducer shell left cap 25, reducer shell right cap 26 connect into an integral body by bolt, pin, have additional respectively the fixed orifice be connected with vehicle frame simultaneously, thereby realize the reliability that axle assembly is fixing.
Main reduction gear of the present invention speed is inner adopts 2 grades of accurate helical wheel speed changes usually, and the accuracy of gear can reach 6 grades, to the transmission noise control at 60～70Db.
Speed ratio of the present invention adopts seriation, from
1:3.5extremely
1:12.32between change, can be adjusted according to the moving velocity of user's car load.
Electric drive automobile bevel housing of the present invention adopts the aluminium alloy compression casting profiled member, and is divided into forward and backward two and combines with bolt and fix and get final product with pin, because the aluminum alloy reducer shell makes the bridge overall weight lighter.
Two of described left and right brake caliper assembly 16, two the outer constant-velocity universal joint assemblies 17 in left and right, two steering swivels 18 in left and right, two wheel hubs 19 in left and right, two adapter shafts 20 in left and right, two vibration damper assemblies 21 in left and right, two the lower cross arm assemblies 22 in left and right, two the interior constant-velocity universal joint assemblies 23 in left and right, two semiaxis 24 in left and right, the differential assembly of take is distinguished as boundary, be positioned at the parts in differential assembly left side, for " left part part ", as left brake caliper assembly 16, left inside constant-velocity universal joint assembly 23, left outside constant-velocity universal joint assembly 17 etc., otherwise, be positioned at the differential assembly right-hand side assembly, for " right members ", as right brake caliper assembly 16, right inside constant-velocity universal joint assembly 23, right outside constant-velocity universal joint 17 etc.
The parts such as brake caliper assembly 16 of the present invention, interior constant-velocity universal joint assembly 23, outer constant-velocity universal joint assembly 17, differential assembly 12 and vibration damper assembly 21, be the off-the-shelf of selling on market, no longer describes in detail here.
Claims (1)
1. an electronlmobil suspension type drives front and rear axle assembly, comprise and contain DC machine (6), the reducer shell assembly, one shaft gear (8), two reel gears (9), the deceleration system of two shaft gears (10) and deep bid tooth (11) and the driving system that contains two of left and right semiaxis and differential assembly (12), it is characterized in that also containing brake system, steering swivel system, shock mitigation system reaches and the vehicle frame connected system, also be provided with left and right two wheel hubs (19) in described driving system, left and right two outer constant-velocity universal joint assemblies (17), left and right two interior constant-velocity universal joint assemblies (23) and two adapter shafts in left and right (20), described brake system contains left and right two brake discs (15), left and right two brake caliper assemblys (16), described steering swivel system contains left and right two steering swivels (18), spindle arm (30), two steering track rods in left and right (29), described shock mitigation system contains left and right two vibration damper assemblies (21), two the lower cross arm assemblies in left and right (22), described and vehicle frame connected system contains reducer shell assembly, two vibration damper assemblies in left and right (21), two the lower cross arm assemblies in left and right (22), the left cap (25) of DC machine (6) and reducer shell assembly, right cap (26) is connected, deep bid tooth (11) is connected with differential assembly (12), differential assembly (12) is connected with two semiaxis in left and right (24) of driving system, two semiaxis in left and right (24) are connected with two the interior constant-velocity universal joint assemblies in left and right (23) respectively, two the interior constant-velocity universal joint assemblies in left and right (23) are connected with two adapter shafts in left and right (20) respectively, two adapter shafts in left and right (20) are connected with two the outer constant-velocity universal joint assemblies in left and right (17) respectively, two the outer constant-velocity universal joint assemblies in left and right (17) are connected with two wheel hubs in left and right (19) respectively, two wheel hubs in left and right (19) are connected with two brake discs in left and right (15) respectively, two steering swivels in left and right (18) are connected by bearing (27) respectively with two wheel hubs in left and right (19), on two steering swivels in left and right (18), be connected with respectively left and right two steering track rods (29), two steering track rods in left and right (29) are connected with spindle arm (30), two brake caliper assemblys in left and right (16) are separately fixed on two steering swivels in left and right (18), one end of left and right two vibration damper assemblies (21) and two the lower cross arm assemblies in left and right (22) is connected with two steering swivels in left and right (18) respectively, the other end is connected with the vehicle frame of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241719XA CN103273802A (en) | 2013-06-19 | 2013-06-19 | Suspension type driving front-and-rear axle assembly of electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241719XA CN103273802A (en) | 2013-06-19 | 2013-06-19 | Suspension type driving front-and-rear axle assembly of electric car |
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| CN103273802A true CN103273802A (en) | 2013-09-04 |
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| CN201310241719XA Pending CN103273802A (en) | 2013-06-19 | 2013-06-19 | Suspension type driving front-and-rear axle assembly of electric car |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640620A (en) * | 2013-11-27 | 2014-03-19 | 合肥海源机械有限公司 | Front steering system for tractor for airport |
| CN105564155A (en) * | 2016-01-27 | 2016-05-11 | 冯林 | Width-adjustable electric automobile chassis and automobile body installing method thereof |
| CN105599601A (en) * | 2016-01-27 | 2016-05-25 | 冯林 | Width-adjustable electric vehicle steering axle with three-gear speed-change vehicle wheels |
| CN105711336A (en) * | 2016-01-27 | 2016-06-29 | 冯林 | Electric car rear axle with infinitely variable-speed wheels and width adjusting function |
| CN107031363A (en) * | 2016-10-31 | 2017-08-11 | 浙江吉利控股集团有限公司 | A kind of breakaway-element electric drive axle and vehicle for vehicle |
| CN108407609A (en) * | 2018-05-14 | 2018-08-17 | 安徽安凯汽车股份有限公司 | A kind of independent suspension electric drive front steering axle |
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| CN102923236A (en) * | 2012-11-20 | 2013-02-13 | 王业慈 | Front suspension tilting mechanism for front two-wheeled vehicle |
| CN203331727U (en) * | 2013-06-19 | 2013-12-11 | 烟台嘉华车辆部件有限公司 | Suspension type drive front and back axle assembly for electric car |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2391206A (en) * | 2002-02-27 | 2004-02-04 | Suzuki Motor Co | Steering of small electric vehicle |
| CN2601868Y (en) * | 2003-02-19 | 2004-02-04 | 陈文全 | Four-wheel independent suspension chassis |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640620A (en) * | 2013-11-27 | 2014-03-19 | 合肥海源机械有限公司 | Front steering system for tractor for airport |
| CN105564155A (en) * | 2016-01-27 | 2016-05-11 | 冯林 | Width-adjustable electric automobile chassis and automobile body installing method thereof |
| CN105599601A (en) * | 2016-01-27 | 2016-05-25 | 冯林 | Width-adjustable electric vehicle steering axle with three-gear speed-change vehicle wheels |
| CN105711336A (en) * | 2016-01-27 | 2016-06-29 | 冯林 | Electric car rear axle with infinitely variable-speed wheels and width adjusting function |
| CN107031363A (en) * | 2016-10-31 | 2017-08-11 | 浙江吉利控股集团有限公司 | A kind of breakaway-element electric drive axle and vehicle for vehicle |
| CN108407609A (en) * | 2018-05-14 | 2018-08-17 | 安徽安凯汽车股份有限公司 | A kind of independent suspension electric drive front steering axle |
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Application publication date: 20130904 |