CN106080156A - Drive system after the rear-mounted electric commercial vehicle of back axle - Google Patents
Drive system after the rear-mounted electric commercial vehicle of back axle Download PDFInfo
- Publication number
- CN106080156A CN106080156A CN201610594655.5A CN201610594655A CN106080156A CN 106080156 A CN106080156 A CN 106080156A CN 201610594655 A CN201610594655 A CN 201610594655A CN 106080156 A CN106080156 A CN 106080156A
- Authority
- CN
- China
- Prior art keywords
- assembly
- plate
- back axle
- location
- shock absorber
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/422—Driving wheels or live axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/112—Leaf spring longitudinally arranged
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses drive system after a kind of rear-mounted electric commercial vehicle of back axle, the most upwards 90 ° of bendings of the opposite end of the right and left location-plate, form starting stave, the starting stave of the right and left connects by back axle transverse tube is fixing, the most upwards 90 ° of bendings of the phase backside of the right and left location-plate, forming the second riser, rear brake assembly is installed in the outside of the second riser；Arranging motor assembly and transmission assembly in the front upper place of back axle transverse tube, the output shaft of motor assembly stretches in transmission assembly, and is connected with the input of transmission assembly, and the outfan of transmission assembly is connected with the inner of jack shaft.Present configuration is simple, easy to assembly, axle load distributed uniform, transmission efficiency is high, it is possible to form smooth underbody portion, beneficially monoblock battery arrangement and the lifting of comfortableness, trailing wheel, as driving wheel, is conducive to promoting the grade climbing performance of the relatively large electric motor car of kerb weight, is particularly well-suited to commercial car.
Description
Technical field
The invention belongs to electric vehicle engineering field, specifically, particularly to a kind of rear-mounted electric commercial vehicle of back axle
Rear drive system.
Background technology
At present, the arrangement of the pure electric vehicle in industry postpone in having drive, preposition forerunner, front-engine rear-drive, in put forerunner,
Rearmounted rear-guard, motor and the back axle that motor and back axle are overall is the types such as overall preposition forerunner, and the deficiencies in the prior art exist
In:
1, postpone in drive, in put forerunner and front-engine rear-drive: axle load distributed uniform, but drive path is long, transmission efficiency is low, no
But underbody portion is unfavorable for that monoblock battery arrangement, the space in car load compartment also diminish, and is unfavorable for the lifting of comfortableness.
2, preposition forerunner: axle load distributed uniform, transmission efficiency is high, and smooth underbody portion is conducive to monoblock battery arrangement and relaxes
The lifting of adaptive, car load handling is good, and a lot of parts can share with fuel vehicle, but electric motor car kerb weight is big, climbs
Adhesion property during slope is poor, is not suitable with the bigger commercial car of kerb weight.
3, the rearmounted rear-guard that motor is overall with back axle, preposition forerunner: axle load distributed uniform, the car that transmission efficiency is high, smooth
Bottom is conducive to monoblock battery arrangement and the lifting of comfortableness, but back axle and motor are integrated, and make unsprung mass lay particular stress on, and back axle holds
Loading capability is low, and back axle and electrical machmary maintenance difficulty, the road clearance is little.
Summary of the invention
Because the drawbacks described above of prior art, it is rear-mounted that the technical problem to be solved is to provide a kind of back axle
Drive system after electric commercial vehicle.
Technical solution of the present invention is as follows: drive system after a kind of rear-mounted electric commercial vehicle of back axle, including motor assembly, speed change
Device assembly, jack shaft, rear brake assembly, leaf spring, pressing plate assembly, rear shock absorber assembly and vehicle body, leaf spring
Rear and front end is connected with vehicle body by spring hanger, it is characterised in that: under in the middle part of leaf spring described in the right and left
Side arranges location-plate, and the location-plate of the right and left is symmetrical, and pressing plate assembly and corresponding location-plate are passed through in the middle part of leaf spring
Fixing, between location-plate with vehicle body, it is connected rear shock absorber assembly, the rear shock absorber assembly of the right and left is symmetrical, the right and left
The most upwards 90 ° of bendings of the opposite end of location-plate, form starting stave, and the starting stave of the right and left is fixing even by back axle transverse tube
Connecing, the most upwards 90 ° of bendings of the phase backside of the right and left location-plate, form the second riser, this second riser is positioned at respective side steel plate
The outside of spring, and the outside installation rear brake assembly of the second riser；
The front upper place of bridge transverse tube arranges motor assembly and transmission assembly in the rear, and described motor assembly is positioned at variator
The right side of assembly, the housing of motor assembly is fixed together with the housing of transmission assembly, at described motor assembly right-hand member
Top the first support is installed, the first support is installed right mounting assembly, the top of described transmission assembly left end installs the
Two supports, install left mounting assembly on the secondary support bracket, and the 3rd support is installed at the top of described transmission assembly rear end, the 3rd
Installing rear-suspending assembly on support, described rear-suspending assembly, left mounting assembly and right mounting assembly are all connected with vehicle body, described electricity
The output shaft of machine assembly stretches in transmission assembly, and is connected with the input of transmission assembly, in transmission assembly rear end
Bottom arranges two outfans in left and right, and the outfan of transmission assembly is connected with the inner of jack shaft, the driving of the right and left
Semiaxis is symmetrical, and jack shaft is less than described motor assembly, and jack shaft is positioned at the front of rear shock absorber assembly, described driving
The outer end of semiaxis sequentially passes through the base plate of the second riser and rear brake assembly.
Use above technical scheme, back axle transverse tube, location-plate, rear shock absorber assembly, leaf spring, rear brake assembly etc.
The composition big assembly of rear suspension, is not only simple in structure, easy to assembly, and can form smooth underbody portion, beneficially monoblock electricity
Pond is arranged and the lifting of comfortableness.Meanwhile, can reserve in the front upper place of back axle transverse tube enough space arrange motor assembly and
Transmission assembly, makes motor assembly and transmission assembly be above the center of leaf spring, being so on the one hand effectively reduced spring
Lower quality, substantially increases back axle bearing capacity, and back axle and electrical machmary maintenance is conveniently, and the road clearance is big, the property passed through of car load
Good；On the other hand, axle load distributed uniform, transmission efficiency is high, and motor assembly provides power to make trailing wheel as driving wheel, is conducive to carrying
Rise the grade climbing performance of the relatively large electric motor car of kerb weight, be particularly well-suited to commercial car.Motor assembly and transmission assembly pass through
Below, left end and right-hand member totally three mounting assemblies be connected with vehicle body, the space of junction is big, is beneficial for disassembly and assembly operation, and surely
Qualitative good.
Install for the ease of rear shock absorber assembly, improve damping performance and comfortableness, described rear shock absorber assembly further
Being obliquely installed, this rear shock absorber assembly is near the middle part of the pressing plate assembly of homonymy, the lower end of rear shock absorber assembly and location-plate hinge
Connecing, the upper end of rear shock absorber assembly is hinged with vehicle body.
Processing and fabricating for convenience, reduces cost, and guarantees structural strength, prevents deformation or damages, described location
Plate passes through casting, is provided with reinforcing plate between the plate part and starting stave of location-plate, and this reinforcing plate is right angle trigonometry
Shape.
For the ease of quick assembling, it is ensured that the fastness of connection and reliability, described back axle transverse tube is steel pipe, rear
The two ends of bridge transverse tube are welded with the first ring flange of casting, this first ring flange by the bolt that is uniformly arranged on circumference with
The second ring flange being correspondingly arranged on starting stave connects.
Beneficial effect: present configuration is simple, easy to assembly, axle load distributed uniform, transmission efficiency is high, it is possible to formed smooth
Underbody portion, beneficially monoblock battery arrangement and the lifting of comfortableness, trailing wheel as driving wheel, be conducive to promote kerb weight phase
Grade climbing performance to big electric motor car, is particularly well-suited to commercial car.Meanwhile, it is effectively reduced unsprung mass, after substantially increasing
Bridge bearing capacity, and back axle and electrical machmary maintenance are convenient, the road clearance is big, car load good by property.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, leaf spring 5 is symmetrical set, before and after this leaf spring 5, two ends are mounted on leaf spring
Hanger 9, spring hanger 9 is connected with vehicle body (being not drawn in figure).Lower section in the middle part of the right and left leaf spring 5 is all provided with
Putting location-plate 8, location-plate 8 is by casting, and the location-plate 8 of the right and left is symmetrical, and pressing plate is passed through at the middle part of leaf spring 5
Assembly 6 is fixed with corresponding location-plate 8.
As it is shown in figure 1, arrange rear shock absorber assembly 7 between location-plate 8 and vehicle body, the rear shock absorber assembly of the right and left
7 is symmetrical.Rear shock absorber assembly 7 is obliquely installed, and the angle of inclination of rear shock absorber assembly 7 determines according to actual needs, and after subtract
Shake the device assembly 7 pressing plate assembly 6 near homonymy.The lower end of rear shock absorber assembly 7 is hinged with the middle part of location-plate 8, rear shock absorber
The upper end of assembly 7 is hinged with vehicle body.
As it is shown in figure 1, the most upwards 90 ° of bendings of the opposite end of the right and left location-plate 8, form starting stave 8a, left and right two
The starting stave 8a on limit is symmetrical.It is provided with reinforcing plate 8c, this reinforcing plate between the plate part and starting stave 8a of location-plate 8
8c is right angled triangle.The starting stave 8a of the right and left connects by back axle transverse tube 10 is fixing, and back axle transverse tube 10 is steel circle
Pipe, is welded with the first ring flange 14 of casting at the two ends of back axle transverse tube 10, and this first ring flange 14 is by equal on circumference
The bolt of even setting is connected with the second ring flange being correspondingly arranged on starting stave 8a.The phase backside of the right and left location-plate 8 is equal
Upwards 90 ° of bendings, form the second riser 8b, and the second riser 8b of the right and left is symmetrical, and this second riser 8b is positioned at respective side
The outside of leaf spring 5, and the second riser 8b is in the diagonally forward of homonymy starting stave 8a, after the outside of the second riser 8b is installed
Brake assembly 4, the rear brake assembly 4 of the right and left is symmetrical.
As it is shown in figure 1, arrange motor assembly 1 and transmission assembly 2, motor assembly 1 in the front upper place of back axle transverse tube 10
In the right side of transmission assembly 2, the housing of motor assembly 1 is fixed together with the housing of transmission assembly 2.Total at motor
The first support is installed at the top becoming 1 right-hand member, installs right mounting assembly 11 on the first support.Top at transmission assembly 2 left end
The second support is installed in portion, installs left mounting assembly 12 on the secondary support bracket.The 3rd is installed at the top of transmission assembly 2 rear end
Frame, installs rear-suspending assembly 13 on the 3rd support.Rear-suspending assembly 13, left mounting assembly 12 and right mounting assembly 11 are all and car
Body connects.Can adjust according to actual needs for installing the moulding of the support of mounting assembly, therefore not to repeat here.
As it is shown in figure 1, the output shaft of motor assembly 1 stretches in transmission assembly 2, and with the input of transmission assembly 2
Connect, two outfans in left and right, the outfan of transmission assembly 2 and jack shaft 3 are set in the bottom of transmission assembly 2 front end
Inner connection, the jack shaft 3 of the right and left is symmetrical, and jack shaft 3 is less than motor assembly 1, after jack shaft 3 is positioned at
The front side of vibration damper complement 7, the outer end of jack shaft 3 sequentially passes through the second riser 8b and the base plate of rear brake assembly 4, with rear
Wheel wheel hub connects.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (4)
1. a drive system after the rear-mounted electric commercial vehicle of back axle, including motor assembly (1), transmission assembly (2), jack shaft
(3), rear brake assembly (4), leaf spring (5), pressing plate assembly (6), rear shock absorber assembly (7) and vehicle body, leaf spring (5)
Before and after two ends be connected with vehicle body by spring hanger (9), it is characterised in that: in leaf spring described in the right and left (5)
The lower section at middle part arranges location-plate (8), and the location-plate (8) of the right and left is symmetrical, and the middle part of leaf spring (5) is total by pressing plate
Become (6) to fix with corresponding location-plate (8), between location-plate (8) and vehicle body, be connected rear shock absorber assembly (7), the right and left
Rear shock absorber assembly (7) symmetrical, the most upwards 90 ° of bendings of the opposite end of the right and left location-plate (8), formed starting stave
(8a), the starting stave (8a) of the right and left connects by back axle transverse tube (10) is fixing, the phase backside of the right and left location-plate (8)
The most upwards 90 ° of bendings, form the second riser (8b), and this second riser (8b) is positioned at the outside of respective side leaf spring (5), and
Rear brake assembly (4) is installed in the outside of two risers (8b)；
The front upper place of bridge transverse tube (10) arranges motor assembly (1) and transmission assembly (2), described motor assembly (1) in the rear
Being positioned at the right side of transmission assembly (2), the housing of motor assembly (1) is fixed together with the housing of transmission assembly (2),
At the top of described motor assembly (1) right-hand member, the first support is installed, the first support is installed right mounting assembly (11), described change
The second support is installed at the top of speed device assembly (2) left end, installs left mounting assembly (12) on the secondary support bracket, and described variator is total
The 3rd support is installed at the top becoming (2) rear end, installs rear-suspending assembly (13), described rear-suspending assembly on the 3rd support
(13), left mounting assembly (12) and right mounting assembly (11) be all connected with vehicle body, the output shaft of described motor assembly (1) stretches into change
In speed device assembly (2), and it is connected with the input of transmission assembly (2), left and right is set in the bottom of transmission assembly (2) rear end
Two outfans, the outfan of transmission assembly (2) is connected with the inner of jack shaft (3), the jack shaft (3) of the right and left
Symmetrical, jack shaft (3) is less than described motor assembly (1), and jack shaft (3) is positioned at the front of rear shock absorber assembly (7),
The outer end of described jack shaft (3) sequentially passes through the second riser (8b) and the base plate of rear brake assembly (4).
2. drive system after the rear-mounted electric commercial vehicle of back axle as claimed in claim 1, it is characterised in that: described rear shock absorber is total
Become (7) to be obliquely installed, this rear shock absorber assembly (7) near the pressing plate assembly (6) of homonymy, the lower end of rear shock absorber assembly (7) with
The middle part of location-plate (8) is hinged, and the upper end of rear shock absorber assembly (7) is hinged with vehicle body.
3. drive system after the rear-mounted electric commercial vehicle of back axle as claimed in claim 1 or 2, it is characterised in that: described location-plate
(8) by casting, between the plate part and starting stave (8a) of location-plate (8), it is provided with reinforcing plate (8c), this reinforcement
Plate (8c) is right angled triangle.
4. drive system after the rear-mounted electric commercial vehicle of back axle as claimed in claim 3, it is characterised in that: described back axle transverse tube
(10) it is steel pipe, is welded with first ring flange (14) of casting, this first flange at the two ends of back axle transverse tube (10)
Dish (14) is connected with the second ring flange being correspondingly arranged on starting stave (8a) by the bolt being uniformly arranged on circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594655.5A CN106080156A (en) | 2016-07-26 | 2016-07-26 | Drive system after the rear-mounted electric commercial vehicle of back axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594655.5A CN106080156A (en) | 2016-07-26 | 2016-07-26 | Drive system after the rear-mounted electric commercial vehicle of back axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080156A true CN106080156A (en) | 2016-11-09 |
Family
ID=57450312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594655.5A Pending CN106080156A (en) | 2016-07-26 | 2016-07-26 | Drive system after the rear-mounted electric commercial vehicle of back axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080156A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849589A (en) * | 2019-03-01 | 2019-06-07 | 南京林业大学 | A kind of electric car rear wheel drive structure with integral drive rear axle |
| WO2019207985A1 (en) * | 2018-04-27 | 2019-10-31 | ダイムラー・アクチェンゲゼルシャフト | Drive unit support device |
| CN111923727A (en) * | 2020-08-25 | 2020-11-13 | 上海伊控动力***有限公司 | Two-gear electric drive axle arrangement structure for commercial vehicle |
| CN112124059A (en) * | 2019-06-25 | 2020-12-25 | 比亚迪股份有限公司 | Electric vehicle |
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| CN202294131U (en) * | 2011-11-11 | 2012-07-04 | 东风汽车股份有限公司 | Leaf spring suspension device |
| CN202641293U (en) * | 2012-05-18 | 2013-01-02 | 金龙联合汽车工业（苏州）有限公司 | Automotive suspension |
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| CN205220322U (en) * | 2015-11-27 | 2016-05-11 | 重庆小康工业集团股份有限公司 | 4 mounting structures of electric motor car power assembly |
| CN205818905U (en) * | 2016-07-26 | 2016-12-21 | 重庆小康工业集团股份有限公司 | Drive system after a kind of rear-mounted electric commercial vehicle of back axle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280039Y (en) * | 2008-09-17 | 2009-07-29 | 江苏宗申三轮摩托车制造有限公司 | Rear suspension of electric tricycle underpan |
| CN201304853Y (en) * | 2008-11-17 | 2009-09-09 | 中国三江航天工业集团公司特种车辆技术中心 | Non-driving bearing axle device for trailer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019207985A1 (en) * | 2018-04-27 | 2019-10-31 | ダイムラー・アクチェンゲゼルシャフト | Drive unit support device |
| CN109849589A (en) * | 2019-03-01 | 2019-06-07 | 南京林业大学 | A kind of electric car rear wheel drive structure with integral drive rear axle |
| CN109849589B (en) * | 2019-03-01 | 2024-01-26 | 南京林业大学 | Electric automobile rear drive structure with integral drive rear axle |
| CN112124059A (en) * | 2019-06-25 | 2020-12-25 | 比亚迪股份有限公司 | Electric vehicle |
| CN112124059B (en) * | 2019-06-25 | 2022-03-18 | 比亚迪股份有限公司 | Electric vehicle |
| CN111923727A (en) * | 2020-08-25 | 2020-11-13 | 上海伊控动力***有限公司 | Two-gear electric drive axle arrangement structure for commercial vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |