CN102303644A - Heavy-load electric vehicle chassis - Google Patents
Heavy-load electric vehicle chassis Download PDFInfo
- Publication number
- CN102303644A CN102303644A CN201110172416A CN201110172416A CN102303644A CN 102303644 A CN102303644 A CN 102303644A CN 201110172416 A CN201110172416 A CN 201110172416A CN 201110172416 A CN201110172416 A CN 201110172416A CN 102303644 A CN102303644 A CN 102303644A
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- CN
- China
- Prior art keywords
- longeron
- monolithic
- longitudinal beam
- front cross
- center member
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/07—Understructures, i.e. chassis frame on which a vehicle body may be mounted wide-hipped frame type, i.e. a wide box-shaped mid portion with narrower sections extending from said mid portion in both fore and aft directions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a heavy-load electric vehicle chassis, which comprises a frame, wherein the frame consists of a left single longitudinal beam, a right single longitudinal beam and a cross beam, wherein the left single longitudinal beam and the right single longitudinal beam are connected through the cross beam; the left single longitudinal beam comprises an upper left longitudinal beam and a lower left longitudinal beam, the upper left longitudinal beam and the lower left longitudinal beam are connected through a left vertical beam and a left oblique beam, and the partial left vertical beam and the left oblique beam form a triangle with the upper left longitudinal beam or the lower left longitudinal beam; the right single longitudinal beam comprises an upper right longitudinal beam and a lower right longitudinal beam, the upper right longitudinal beam and the lower right longitudinal beam are connected through a right vertical beam and a right oblique beam, and the partial right vertical beam and the right oblique beam form a triangle with the upper right longitudinal beam or the lower right longitudinal beam; the cross beam comprises a front cross beam, a middle cross beam and a rear cross beam; and spring plates are arranged below the left single longitudinal beam and the right single longitudinal beam, and tyres are arranged outside the left single longitudinal beam and the right single longitudinal beam. The chassis has the advantages of simple structure, uniform stress of the frame, strong bearing capacity of the frame and long service life, can ensure that the vehicle runs stably, and can greatly improve the safety of the vehicle.
Description
Technical field
The invention belongs to the Vehicle Engineering technical field, particularly a kind of heavy lift electric automobile chassis.
Background technology
Along with the progress of expanding economy with science and technology, market improves constantly the requirement of automotive performance, and is seriously polluted to atmosphere of the automobile of power with the combustion engine; And receive the restriction of resource; Can't continue existing each item requirement, will face the trend that is eliminated, the substitute is elec. vehicle.Traditional internal-combustion engine vehicle is only by maximum load capacity design chassis; And elec. vehicle must increase the electrokinetic cell pool-size for improving continual mileage, has also increased the own wt of vehicle chassis simultaneously; Cause its maximum load capacity to reduce far away, limited the operating efficiency of vehicle.
As everyone knows; The commerial vehicle of China is in operation and all takes the way of unrestricted overload to satisfy various benefits; And distortion in various degree can appear in existing body-chassis frame construction and chassis continuous running under this kind overload state; Cause chassis ridgepole distortion or crooked, lopsidedness or middle phenomenon of revealing all the details appear in vehicle under the fully laden, have great potential safety hazard.
In addition; Existing non-bearing formula vehicle chassis all adopts the channel-section steel form, i.e. longeron and a plurality of crossbeam riveted joint forms, the chassis under fully laden according to the main load-bearing in weight position on corresponding chassis points; And can not be distributed to uniformly on each aspect on chassis; Under the road that jolts, supporting point is bearing the pressure of how much multiples, makes chassis ridgepole produce fatigue deformation in the course of time; Simultaneously, the channel beam structure design on chassis can not vehicle turn or about the cross side stress that produces when jolting, cause channel beam to produce torsional deflection, vehicle chassis is short service life, load-carrying capacity is poor.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, stressed evenly, strong, the driving stability of load-carrying capacity, safe and reliable heavy lift electric automobile chassis.
For realizing above-mentioned purpose, technical scheme of the present invention is: a kind of heavy lift electric automobile chassis, comprise vehicle frame, and said vehicle frame is made up of left monolithic longeron, right monolithic longitudinal and cross beam, and left monolithic longeron links to each other through crossbeam with right monolithic longeron; Left side monolithic longeron comprises upper left longeron and left longeron down, and upper left longeron links to each other with left cant beam through left vertical beam with left longeron down, part left vertical beam and left cant beam and upper left longeron or the left formation of longeron down triangle; Right monolithic longeron comprises upper right longeron and bottom right longeron, and upper right longeron links to each other with right cant beam through right vertical beam with the bottom right longeron, and part right vertical beam and right cant beam and upper right longeron or bottom right longeron constitute triangle; Crossbeam comprises front cross rail, center member and after cross member; Left side monolithic longeron and right monolithic longeron below are provided with spring plate, and the left monolithic longeron and the right monolithic longeron outside are provided with tire.
Said front cross rail comprises first front cross rail and second front cross rail that is provided with at interval, and first front cross rail is lower than second front cross rail; Center member comprises first center member and second center member that is provided with at interval, and first center member is higher than second front cross rail; After cross member comprises first after cross member and second after cross member that is provided with at interval, first center member, second center member, first after cross member and height such as second after cross member grade.
The outer middle side part of said left monolithic longeron and right monolithic longeron is respectively equipped with left subframe and right subframe, and left subframe and left monolithic longeron constitute quadra, and right subframe and right monolithic longeron constitute quadra.
The driving assembly is housed on the said vehicle frame; It comprises motor, electric machine controller, change-speed box, transmission shaft, driving rear axle and six component parts of electrokinetic cell; Motor is installed in left monolithic longeron and right monolithic longeron interior front; Motor top connects electric machine controller, motor rear portion be in transmission connection successively change-speed box, transmission shaft and driving rear axle, driving rear axle across with the vehicle frame postmedian.
Said electrokinetic cell is arranged between first front cross rail and second front cross rail respectively, between first center member and second center member, in the quadra that constitutes of left subframe and left monolithic longeron and in the quadra of right subframe and right monolithic longeron formation.
Compared with prior art, beneficial effect of the present invention is:
1, the present invention includes vehicle frame and driving assembly, said vehicle frame is made up of left monolithic longeron, right monolithic longitudinal and cross beam, and left monolithic longeron links to each other through crossbeam with right monolithic longeron; Left side monolithic longeron comprises upper left longeron and left longeron down, and upper left longeron links to each other with left cant beam through left vertical beam with left longeron down, part left vertical beam and left cant beam and upper left longeron or the left formation of longeron down triangle; Right monolithic longeron comprises upper right longeron and bottom right longeron, and upper right longeron links to each other with right cant beam through right vertical beam with the bottom right longeron, and part right vertical beam and right cant beam and upper right longeron or bottom right longeron constitute triangle; Crossbeam comprises front cross rail, center member and after cross member; The present invention is simple in structure, and own wt is light, has not only guaranteed big beam strength but also the electrokinetic cell casing is provided; Under the vehicle fully laden, can better weight distribution each to vehicle frame be put, guarantee that vehicle frame is stressed evenly; Vehicle frame load-carrying capacity and service life have been improved; Simultaneously, left vertical beam and left cant beam and upper left longeron or a left side longeron down constitute triangle, part right vertical beam and right cant beam and upper right longeron or bottom right longeron formation triangle, make full use of leg-of-mutton characteristic and absorb the various stress that produce under the specific condition rapidly; Resist the cross side stress that vehicle goes and produces under turning and abominable road; Prevent the vehicle frame torsional deflection, guarantee that vehicle stabilization goes, can improve vehicle safety greatly.
2, front cross rail comprises first front cross rail and second front cross rail that is provided with at interval, and first front cross rail is lower than second front cross rail; Center member comprises first center member and second center member that is provided with at interval, and first center member is higher than second front cross rail; Adopt the drop propons to be convenient to arrange operator's compartment, can improve the rationally distributed property of car load.
3, electrokinetic cell be arranged between first front cross rail and second front cross rail respectively, between first center member and second center member, in the quadra that constitutes of left subframe and left monolithic longeron and in the quadra of right subframe and right monolithic longeron formation; The weight proportion of bridge before and after can guaranteeing; Battery pack between first center member and second center member adopts mounting means setting between wheelbase; And comprised most of electrokinetic cell; Make vehicle's center of gravity be arranged in the car load below, can guarantee the axle load proportioning of vehicle, be convenient to the layout of vehicle body and the maintenance and the replacing of battery.
4, the present invention is applied widely, can apply to the repacking of multiple special vehicle and different vehicle.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Heavy lift electric automobile chassis as shown in Figure 1; It comprises vehicle frame and drives assembly; Vehicle frame is made up of left monolithic longeron, right monolithic longitudinal and cross beam; Left side monolithic longeron comprises a upper left longeron 61 and left side longeron 131 down, and upper left longeron 61 links to each other with left cant beam 24 through left vertical beam 22 with left longeron 131 down, part left vertical beam 22 and left cant beam 24 and upper left longeron 61 or left longeron down 131 formation triangles; Right monolithic longeron comprises upper right longeron 6 and bottom right longeron 13, and upper right longeron 6 links to each other with right cant beam 25 through right vertical beam 23 with bottom right longeron 13, and part right vertical beam 23 constitutes triangle with right cant beam 25 and upper right longeron 6 or bottom right longeron 13.Crossbeam comprises front cross rail, center member and after cross member, and front cross rail comprises that first front cross rail 7 and second front cross rail, 8, the first front cross rails 7 that are provided with at interval are lower than second front cross rail 8; Center member comprises that first center member 9 and second center member, 10, the first center members 9 that are provided with at interval are higher than second front cross rail 8; After cross member comprises first after cross member 11 that is provided with at interval and second after cross member, 12, the first center members 9, second center member 10, first after cross member 11 and second after cross member, 12 height such as grade; Adopt the drop propons to be convenient to arrange operator's compartment, can improve the rationally distributed property of car load.Left side monolithic longeron and right monolithic longeron link to each other with second after cross member 12 through first front cross rail 7, second front cross rail 8, first center member 9, second center member 10, first after cross member 11.Middle side part is respectively equipped with left subframe 15 and right subframe 14 outside left monolithic longeron and right monolithic longeron, and left subframe 15 constitutes quadra with left monolithic longeron, and right subframe 14 constitutes quadra with right monolithic longeron.
Below left monolithic longeron and right monolithic longeron, be provided with front spring plate 19 and rear spring plate 20, the left monolithic longeron and the right monolithic longeron outside are provided with tire 21.
Drive assembly and comprise motor 1, electric machine controller 2, change-speed box 3, transmission shaft 4, driving rear axle 5 and six component parts of electrokinetic cell; Motor 1 adopts the elastic shock attenuation original paper to be fixedly mounted on left monolithic longeron and right monolithic longeron interior front; I.e. second front cross rail, 8 back lower places can guarantee the stability and the reliability of motor 1 output torque.Motor 1 top connects electric machine controller 2, motor 1 rear portion be in transmission connection successively change-speed box 3, transmission shaft 4 and driving rear axle 5, driving rear axle 5 across with the vehicle frame postmedian.Electrokinetic cell comprises battery pack 16, battery pack 17 and battery pack 18, and battery pack 16 is fixedly installed between first front cross rail 7 and second front cross rail 8, the weight proportion of bridge before and after can guaranteeing; Mounting means is arranged between first center member 9 and second center member 10 between battery pack 17 employing wheelbases; Battery pack 17 has comprised most of electrokinetic cell; Make vehicle's center of gravity be arranged in the car load below, can guarantee the axle load proportioning of vehicle, be convenient to the layout of vehicle body and the maintenance and the replacing of battery; Battery pack 18 is arranged in the quadra that constitutes with right subframe 14 and right monolithic longeron in the quadra that left subframe 15 and left monolithic longeron constitute.
Among the present invention, left monolithic longeron, right monolithic longitudinal and cross beam are formed truss structure by high quality square tube or pipe.
The present invention is under the vehicle fully laden; Can better weight distribution each to vehicle frame be put, guarantee that vehicle frame is stressed evenly, improve vehicle frame load-carrying capacity and service life; Simultaneously; Left vertical beam 22 and left cant beam 24 and upper left longeron 61 or left longeron down 131 formation triangles, part right vertical beam 23 and right cant beam 25 and upper right longeron 6 or bottom right longeron 13 formation triangles make full use of leg-of-mutton characteristic and absorb the various stress that produce under the specific condition rapidly, resist the cross side stress that vehicle goes and produces under turning and abominable road; Prevent the vehicle frame torsional deflection, guarantee that vehicle stabilization goes.
Vehicle frame front upper of the present invention can be installed the operator's compartment assembly, the vehicle frame rear portion is mainly used in and back axle assembly is installed and the repacking space is provided.
Claims (5)
1. a heavy lift electric automobile chassis comprises vehicle frame, it is characterized in that: said vehicle frame is made up of left monolithic longeron, right monolithic longitudinal and cross beam, and left monolithic longeron links to each other through crossbeam with right monolithic longeron; Left side monolithic longeron comprises upper left longeron and left longeron down, and upper left longeron links to each other with left cant beam through left vertical beam with left longeron down, part left vertical beam and left cant beam and upper left longeron or the left formation of longeron down triangle; Right monolithic longeron comprises upper right longeron and bottom right longeron, and upper right longeron links to each other with right cant beam through right vertical beam with the bottom right longeron, and part right vertical beam and right cant beam and upper right longeron or bottom right longeron constitute triangle; Crossbeam comprises front cross rail, center member and after cross member; Left side monolithic longeron and right monolithic longeron below are provided with spring plate, and the left monolithic longeron and the right monolithic longeron outside are provided with tire.
2. heavy lift electric automobile chassis as claimed in claim 1 is characterized in that: said front cross rail comprises first front cross rail and second front cross rail that is provided with at interval, and first front cross rail is lower than second front cross rail; Center member comprises first center member and second center member that is provided with at interval, and first center member is higher than second front cross rail; After cross member comprises first after cross member and second after cross member that is provided with at interval, first center member, second center member, first after cross member and height such as second after cross member grade.
3. according to claim 1 or claim 2 heavy lift electric automobile chassis; It is characterized in that: the outer middle side part of said left monolithic longeron and right monolithic longeron is respectively equipped with left subframe and right subframe; Left side subframe and left monolithic longeron constitute quadra, and right subframe and right monolithic longeron constitute quadra.
4. heavy lift electric automobile chassis as claimed in claim 1; It is characterized in that: the driving assembly is housed on the said vehicle frame; It comprises motor, electric machine controller, change-speed box, transmission shaft, driving rear axle and six component parts of electrokinetic cell, and motor is installed in left monolithic longeron and right monolithic longeron interior front, and the motor top connects electric machine controller; Motor rear portion be in transmission connection successively change-speed box, transmission shaft and driving rear axle, driving rear axle across with the vehicle frame postmedian.
5. heavy lift electric automobile chassis as claimed in claim 4 is characterized in that: said electrokinetic cell is arranged between first front cross rail and second front cross rail respectively, between first center member and second center member, in the quadra that constitutes of left subframe and left monolithic longeron and in the quadra of right subframe and right monolithic longeron formation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110172416A CN102303644A (en) | 2011-06-24 | 2011-06-24 | Heavy-load electric vehicle chassis |
| PCT/CN2012/076819 WO2012174992A1 (en) | 2011-06-24 | 2012-06-13 | Chassis for heavy-load electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110172416A CN102303644A (en) | 2011-06-24 | 2011-06-24 | Heavy-load electric vehicle chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102303644A true CN102303644A (en) | 2012-01-04 |
Family
ID=45377596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110172416A Pending CN102303644A (en) | 2011-06-24 | 2011-06-24 | Heavy-load electric vehicle chassis |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102303644A (en) |
| WO (1) | WO2012174992A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012174992A1 (en) * | 2011-06-24 | 2012-12-27 | Li Hui | Chassis for heavy-load electric vehicle |
| CN103587581A (en) * | 2013-11-29 | 2014-02-19 | 东莞中山大学研究院 | Double-layer chassis frame structure of light-weight middle-sized bus |
| CN105128938A (en) * | 2015-09-08 | 2015-12-09 | 上海瑞华(集团)有限公司 | Chassis system device of pure electric bus |
| CN106183798A (en) * | 2016-08-23 | 2016-12-07 | 合肥工业大学 | A kind of plate spring suspension brackets chassis pure electric power drive system framework |
| CN106553513A (en) * | 2015-09-29 | 2017-04-05 | 比亚迪股份有限公司 | Sweeping machine |
| CN107719093A (en) * | 2017-10-09 | 2018-02-23 | 北京华田汽车科技有限公司 | More bag battery system chassis arrangements are put in one kind |
| CN108238107A (en) * | 2018-02-14 | 2018-07-03 | 常州科研试制中心有限公司 | Mining electric vehicle |
| CN111183088A (en) * | 2018-12-05 | 2020-05-19 | 翼科株式会社 | Chassis for electric automobile and electric automobile |
| US11453442B2 (en) * | 2019-12-13 | 2022-09-27 | Hyundai Motor Company | Truck chassis frame |
| CN115571222A (en) * | 2022-09-30 | 2023-01-06 | 东风商用车有限公司 | Electric truck's chassis and electric truck |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112776920B (en) * | 2021-03-16 | 2022-03-11 | 奇瑞汽车股份有限公司 | Platform architecture for a motor vehicle |
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| GB2322604A (en) * | 1997-01-17 | 1998-09-02 | Robert Wright & Son Coachworks | Low floor bus chassis |
| US5921615A (en) * | 1997-08-29 | 1999-07-13 | National R.V., Inc. | Durable, open, and accessible recreational vehicle subfloor construction |
| CN1310110A (en) * | 2000-11-03 | 2001-08-29 | 深圳明华环保汽车有限公司 | Composite electric enviromental protection automobile |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012174992A1 (en) * | 2011-06-24 | 2012-12-27 | Li Hui | Chassis for heavy-load electric vehicle |
| CN103587581A (en) * | 2013-11-29 | 2014-02-19 | 东莞中山大学研究院 | Double-layer chassis frame structure of light-weight middle-sized bus |
| CN103587581B (en) * | 2013-11-29 | 2016-03-30 | 东莞中山大学研究院 | A kind of double-layered base plate shelf structure of lightweight minibus |
| CN105128938A (en) * | 2015-09-08 | 2015-12-09 | 上海瑞华(集团)有限公司 | Chassis system device of pure electric bus |
| CN106553513A (en) * | 2015-09-29 | 2017-04-05 | 比亚迪股份有限公司 | Sweeping machine |
| CN106183798A (en) * | 2016-08-23 | 2016-12-07 | 合肥工业大学 | A kind of plate spring suspension brackets chassis pure electric power drive system framework |
| CN107719093A (en) * | 2017-10-09 | 2018-02-23 | 北京华田汽车科技有限公司 | More bag battery system chassis arrangements are put in one kind |
| CN108238107A (en) * | 2018-02-14 | 2018-07-03 | 常州科研试制中心有限公司 | Mining electric vehicle |
| CN111183088A (en) * | 2018-12-05 | 2020-05-19 | 翼科株式会社 | Chassis for electric automobile and electric automobile |
| CN111183088B (en) * | 2018-12-05 | 2021-01-12 | 翼科株式会社 | Chassis for electric automobile and electric automobile |
| US11453442B2 (en) * | 2019-12-13 | 2022-09-27 | Hyundai Motor Company | Truck chassis frame |
| CN115571222A (en) * | 2022-09-30 | 2023-01-06 | 东风商用车有限公司 | Electric truck's chassis and electric truck |
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| Publication number | Publication date |
|---|---|
| WO2012174992A1 (en) | 2012-12-27 |
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Application publication date: 20120104 |