CN106183678A - Drive system after electric commercial vehicle - Google Patents

Drive system after electric commercial vehicle Download PDF

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Publication number
CN106183678A
CN106183678A CN201610593811.6A CN201610593811A CN106183678A CN 106183678 A CN106183678 A CN 106183678A CN 201610593811 A CN201610593811 A CN 201610593811A CN 106183678 A CN106183678 A CN 106183678A
Authority
CN
China
Prior art keywords
assembly
plate
location
vehicle
transmission
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
Application number
CN201610593811.6A
Other languages
Chinese (zh)
Inventor
彭自力
李军
何海春
墙懿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Sokon Industry Group Stock Co Ltd
Original Assignee
Chongqing Sokon Industry Group Stock Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Sokon Industry Group Stock Co Ltd filed Critical Chongqing Sokon Industry Group Stock Co Ltd
Priority to CN201610593811.6A priority Critical patent/CN106183678A/en
Publication of CN106183678A publication Critical patent/CN106183678A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/04Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially parallel to the longitudinal axis of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/10Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001Arrangements for attachment of dampers
    • B60G13/003Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing

Abstract

The invention discloses drive system after a kind of electric commercial vehicle, lower section in the middle part of the right and left leaf spring arranges location-plate, 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, in the back upper place of back axle transverse tube, motor assembly and transmission assembly are set, left mounting assembly is installed at the top of motor assembly left end, right mounting assembly is installed at the top of transmission assembly right-hand member, front-suspension assembly is installed at the top of transmission assembly front end, front-suspension assembly, right mounting assembly and left mounting assembly are all connected with vehicle body.Axle load distributed uniform of the present invention, transmission efficiency is high, it is possible to form smooth underbody portion, beneficially monoblock battery arrangement and the lifting of comfortableness, and trailing wheel, as driving wheel, is conducive to promoting the grade climbing performance of the relatively large electric motor car of kerb weight;Meanwhile, it is effectively reduced unsprung mass, substantially increases car load comfortableness.

Description

Drive system after electric commercial vehicle
Technical field
The invention belongs to electric vehicle engineering field, specifically, particularly to drive system after a kind of electric commercial vehicle.
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, the technical problem to be solved is to provide a kind of electric commercial vehicle Rear drive system.
Technical solution of the present invention is as follows: drive system after a kind of electric commercial vehicle, including motor assembly, transmission assembly, drives Dynamic semiaxis, rear brake assembly, leaf spring, pressing plate assembly, rear shock absorber assembly and vehicle body, before and after leaf spring, two ends lead to Cross spring hanger to be connected with vehicle body, it is characterised in that: the lower section in the middle part of leaf spring described in the right and left arranges location Plate, the location-plate of the right and left is symmetrical, and the middle part of leaf spring is fixed with corresponding location-plate by pressing plate assembly, in location Being connected rear shock absorber assembly between plate with vehicle body, the rear shock absorber assembly of the right and left is symmetrical, the phase of the right and left location-plate Opposite end the most upwards 90 ° of bendings, form starting stave, and the starting stave of the right and left connects by back axle transverse tube is fixing, left and right two The most upwards 90 ° of bendings of the phase backside of limit location-plate, form the second riser, and this second riser is positioned at outside respective side leaf spring Side, and the outside installation rear brake assembly of the second riser;
The back upper place of bridge transverse tube arranges motor assembly and transmission assembly in the rear, and described motor assembly is positioned at variator The left side of assembly, the housing of motor assembly is fixed together with the housing of transmission assembly, at described motor assembly left end Top the first bearing is installed, the first bracket fixed by this first bearing, the first bracket installed left mounting assembly, described change The second bearing is installed at the top of speed device assembly right-hand member, and the second bracket fixed by this second bearing, installs the right side outstanding on the second bracket Putting assembly, the top of described transmission assembly front end is installed three abutments, this three abutments is fixed the 3rd bracket, in the 3rd torr Installing front-suspension assembly on frame, described front-suspension assembly, right mounting assembly and left mounting assembly are all connected with vehicle body, described motor The output shaft of assembly stretches in transmission assembly, and is connected with the input of transmission assembly, at the end of transmission assembly front end Portion arranges two outfans in left and right, and the outfan of transmission assembly is connected with the inner of jack shaft, and jack shaft is less than described Motor assembly, the outer end of described jack shaft 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 back 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 Above, 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 After front height, low dip is arranged, and this rear shock absorber assembly is near the pressing plate assembly of homonymy, the lower end of rear shock absorber assembly and location-plate Middle part hinged, 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.
For the ease of batch production, reducing production cost, the bearing and bracket for installing mounting assembly is steel punching Casting die.
Beneficial effect: the present invention is reasonable in design, implements easily, easy to assembly, axle load distributed uniform, and transmission efficiency is high, energy Enough underbody portions smoothed that formed, beneficially monoblock battery arrangement and the lifting of comfortableness, trailing wheel, as driving wheel, is conducive to promoting The grade climbing performance of the electric motor car that kerb weight is relatively large, is particularly well-suited to commercial car.Meanwhile, it is effectively reduced unsprung mass, greatly Improve greatly back axle bearing capacity, and back axle and electrical machmary maintenance 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.Before rear shock absorber assembly 7, after height, low dip is arranged, and the angle of inclination of rear shock absorber assembly 7 is the most true Fixed, and rear shock absorber assembly 7 is near the pressing plate assembly 6 of homonymy.The lower end of rear shock absorber assembly 7 is hinged with the middle part of location-plate 8, The upper end of rear shock absorber 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 rear ramp 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 back upper place of back axle transverse tube 10 In the left 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 bearing is installed at the top becoming 1 left end, and the first bracket fixed by this first bearing, installs left mounting assembly on the first bracket 11.At the top of transmission assembly 2 right-hand member, the second bearing is installed, the second bracket is fixed by this second bearing, on the second bracket Right mounting assembly 12 is installed.At the top of transmission assembly 2 front end, three abutments is installed, this three abutments fixes the 3rd torr Frame, installs front-suspension assembly 13 on the 3rd bracket.Front-suspension assembly 13, right mounting assembly 12 and left mounting assembly 11 are all and car Body connects.Bearing and bracket for installing mounting assembly is the moulding of steel stamping parts, bearing and bracket can be according to reality Needing to adjust, 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, the outer end of jack shaft 3 Sequentially pass through the second riser 8b and the base plate of rear brake assembly 4, be connected with rear-wheel hub (being not drawn in figure).
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 (5)

1. a drive system after electric commercial vehicle, including motor assembly (1), transmission assembly (2), jack shaft (3), brakes afterwards Device assembly (4), leaf spring (5), pressing plate assembly (6), rear shock absorber assembly (7) and vehicle body, two ends before and after leaf spring (5) It is connected with vehicle body by spring hanger (9), it is characterised in that: in the lower section at leaf spring described in the right and left (5) middle part Arranging location-plate (8), the location-plate (8) of the right and left is symmetrical, and pressing plate assembly (6) is passed through with right in the middle part of leaf spring (5) The location-plate (8) answered is fixed, and is connected rear shock absorber assembly (7), the rear shock absorber of the right and left between location-plate (8) and vehicle body Assembly (7) is symmetrical, the most upwards 90 ° of bendings of the opposite end of the right and left location-plate (8), forms starting stave (8a), left and right two The starting stave (8a) on limit connects by back axle transverse tube (10) is fixing, the phase backside of the right and left location-plate (8) the most upwards 90 ° curved Folding, forms the second riser (8b), and this second riser (8b) is positioned at the outside of respective side leaf spring (5), and the second riser (8b) Outside install rear brake assembly (4);
The back 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 left 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) left end, the first bearing is installed, the first bracket is fixed by this first bearing, on the first bracket Installing left mounting assembly (11), the second bearing is installed at the top of described transmission assembly (2) right-hand member, and this second bearing is fixed Two brackets, install right mounting assembly (12) on the second bracket, and the top of described transmission assembly (2) front end installs the 3rd Seat, this three abutments fixes the 3rd bracket, installs front-suspension assembly (13), described front-suspension assembly on the 3rd bracket (13), right mounting assembly (12) and left 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) front end Two outfans, the outfan of transmission assembly (2) is connected with the inner of jack shaft (3), and jack shaft (3) is less than described electricity Machine assembly (1), 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 electric commercial vehicle as claimed in claim 1, it is characterised in that: the front height of described rear shock absorber assembly (7) Rear low dip is arranged, and this rear shock absorber assembly (7) is near the pressing plate assembly (6) of homonymy, and the lower end of rear shock absorber assembly (7) is with fixed The middle part of position plate (8) is hinged, and the upper end of rear shock absorber assembly (7) is hinged with vehicle body.
3. drive system after electric commercial vehicle as claimed in claim 1 or 2, it is characterised in that: described location-plate (8) is by casting Molding, is provided with reinforcing plate (8c) between the plate part and starting stave (8a) of location-plate (8), and this reinforcing plate (8c) is right angle Triangle.
4. drive system after electric commercial vehicle as claimed in claim 3, it is characterised in that: described back axle transverse tube (10) is steel circle Pipe, is welded with first ring flange (14) of casting at the two ends of back axle transverse tube (10), and this first ring flange (14) is by circle The bolt being uniformly arranged on week is connected with the second ring flange being correspondingly arranged on starting stave (8a).
5. drive system after electric commercial vehicle as claimed in claim 1, it is characterised in that: for install mounting assembly bearing and Bracket is steel stamping parts.
CN201610593811.6A 2016-07-26 2016-07-26 Drive system after electric commercial vehicle Pending CN106183678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610593811.6A CN106183678A (en) 2016-07-26 2016-07-26 Drive system after electric commercial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610593811.6A CN106183678A (en) 2016-07-26 2016-07-26 Drive system after electric commercial vehicle

Publications (1)

Publication Number Publication Date
CN106183678A true CN106183678A (en) 2016-12-07

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Family Applications (1)

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106494171A (en) * 2016-12-09 2017-03-15 北京汽车研究总院有限公司 A kind of automobile chassis and automobile
WO2019044262A1 (en) * 2017-08-31 2019-03-07 ダイムラー・アクチェンゲゼルシャフト Vehicular drive unit
CN112124059A (en) * 2019-06-25 2020-12-25 比亚迪股份有限公司 Electric vehicle

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CN202271797U (en) * 2011-09-08 2012-06-13 浙江达世元电动科技有限公司 Electric vehicle drive system
CN203780291U (en) * 2014-02-10 2014-08-20 北京汽车新能源汽车有限公司 Rear-mounted driving system for electric vehicle
CN204845499U (en) * 2015-10-16 2015-12-09 众泰新能源汽车有限公司 Electric automobile drive ystem installation structure
CN105270090A (en) * 2015-11-03 2016-01-27 北汽银翔汽车有限公司 Integral rear-axle device of rear-wheel-driven electric vehicle
CN205112967U (en) * 2015-10-30 2016-03-30 东风汽车公司 Pure electric vehicles electric drive assembly
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202271797U (en) * 2011-09-08 2012-06-13 浙江达世元电动科技有限公司 Electric vehicle drive system
CN203780291U (en) * 2014-02-10 2014-08-20 北京汽车新能源汽车有限公司 Rear-mounted driving system for electric vehicle
CN204845499U (en) * 2015-10-16 2015-12-09 众泰新能源汽车有限公司 Electric automobile drive ystem installation structure
CN205112967U (en) * 2015-10-30 2016-03-30 东风汽车公司 Pure electric vehicles electric drive assembly
CN105270090A (en) * 2015-11-03 2016-01-27 北汽银翔汽车有限公司 Integral rear-axle device of rear-wheel-driven electric vehicle
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106494171A (en) * 2016-12-09 2017-03-15 北京汽车研究总院有限公司 A kind of automobile chassis and automobile
CN106494171B (en) * 2016-12-09 2019-01-25 北京汽车研究总院有限公司 A kind of automobile chassis and automobile
WO2019044262A1 (en) * 2017-08-31 2019-03-07 ダイムラー・アクチェンゲゼルシャフト Vehicular drive unit
EP3650256A4 (en) * 2017-08-31 2021-04-07 Daimler AG Vehicular drive unit
US11007857B2 (en) 2017-08-31 2021-05-18 Daimler Ag Vehicle driving apparatus
CN112124059A (en) * 2019-06-25 2020-12-25 比亚迪股份有限公司 Electric vehicle

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Application publication date: 20161207

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