CN202413928U - Electric passenger-car chassis - Google Patents
Electric passenger-car chassis Download PDFInfo
- Publication number
- CN202413928U CN202413928U CN2011205310218U CN201120531021U CN202413928U CN 202413928 U CN202413928 U CN 202413928U CN 2011205310218 U CN2011205310218 U CN 2011205310218U CN 201120531021 U CN201120531021 U CN 201120531021U CN 202413928 U CN202413928 U CN 202413928U
- Authority
- CN
- China
- Prior art keywords
- frame
- vehicle frame
- welded
- chassis
- vehicle
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to an electric passenger-car chassis belonging to the technical field of electric vehicles and being especially applied to a high-strength chassis of the electric vehicle. The electric passenger-car chassis comprises a frame and a drive device, wherein the drive device comprises a drive motor, a motor controller, a transmission, a half shaft and a drive front axle. The electric passenger-car chassis is characterized in that the frame is formed by welding seamless circular pipes with different specifications, a left and a right single-tube longitudinal beams and a middle support beam are welded into a bearing integral circular tube frame through a front frame absorbing anti-collision beam, a front baffle plate, a middle frame cross beam and a rear frame cross beam; and the frame comprises a front frame, a middle frame and a rear frame, a support energy absorbing beam is welded on the front frame, an absorbing release beam is welded on the middle frame, and a reinforcing rib is welded on the rear frame. According to the utility model, gravity can be well distributed to each point of the frame under the full load condition of the vehicle, thus the uniform stress of the frame is ensured; and meanwhile, various of stresses generated under special conditions can be rapidly absorbed, and the service life of the frame is prolonged.
Description
Technical field
The utility model belongs to the electric vehicle engineering field, relates to a kind of multifunctional automobile chassis, applies to the high strength chassis of electrocar especially.
Background technology
Along with the progress of expanding economy with science and technology, the recoverable amount of automobile increases year by year, and the performance requriements of automobile is improved constantly, and is that the locomotive of power is serious day by day to the pollution of atmosphere with the combustion engine, and receives the restriction of resource, can't continue existing each item requirement.Original diesel locomotive is only by the maximum Quality Design chassis of carrying; Elec. vehicle is for can improve continual mileage; Increase the electrokinetic cell pool-size and promptly increase the own wt of vehicle chassis,, under the situation of carrying identical number, will increase the vehicle chassis load as still using existing vehicle chassis; Cause safety performance to reduce greatly, shortened the vehicle operation life-span.
As everyone knows, it is also very little to develop the depot of electrocar chassis special at present.Oversize vehicles such as the First Auto Group of China, Second Automobile Works's east wind enterprise also only just simply gets involved the developmental work of electronic chassis of the minitype automobile at the beginning of 2011, and receives the constraint of engineering factor, and very long following period of time has also been failed than quantum jump.
Existing car all adopts the monocoque skin construction design; Because chassis and vehicle body form an integral body; Make bulk strength increase, so chassis and vehicle body almost all adopt the iron sheet floating screed to form, base plate also just carries out simple laterally reinforcement; If only this is far from being enough as the needed chassis of pure electric vehicle intensity, caused the development difficulty of the battery-driven car chassis special of same level vehicle.
Summary of the invention
The purpose of the utility model is that the position overcomes above-mentioned technical disadvantages, and a kind of innovation structure design-calculated electrocar chassis that proposes.
The utility model mainly is the structure design that on the electrocar chassis ridgepole, has carried out innovation; Made full use of the characteristic of pipe, and adopted seamless pipe welding in a large number, axial force and shearing force preferably are provided; Finally the crossbeam assembling by 2 longerons, 1 support beam and 6 different sizes is welded; Not only guaranteed big beam strength but also the electrokinetic cell casing is provided, made total system be integrated, distributed weight uniformly under the vehicle heavy condition; And can be good at bearing the cross side stress that vehicle produces, absorb front, side and 45 degree impacts.Outside satisfying self-demand, maximization improves bearing capacity and the precipitate various stress of strain.
The main technical schemes of the utility model: a kind of electrocar chassis; Comprise vehicle frame and actuating device; Said actuating device comprises drive motor, electric machine controller, change-speed box; Semiaxis, drive front axle is characterized in that said vehicle frame is welded through the seamless round tube of different size, absorb collision prevention girders, front apron and middle cross member of frame through front vehicle frame and the back cross member of frame is welded into the whole tubular frame of bearing-type by left and right single tube longeron and midship mounting beam; Vehicle frame comprises front vehicle frame, middle vehicle frame and back vehicle frame, is welded with on the front vehicle frame and supports the energy-absorbing beam, is welded with on the middle vehicle frame to absorb to discharge beam, is welded with reinforced rib on the back vehicle frame.
Usually, the utility model front vehicle frame is equipped with the drive system assembly that integral body protrudes in vehicle body; Middle vehicle frame is provided with the installation site of electrokinetic cell; Back vehicle frame is provided with and is used to that back axle assembly is installed and back seat is provided and the space of boot.
The utility model vehicle frame is the bearing-type unitized frame, is welded through the different size round tube.Can better weight distribution each to vehicle frame put under the vehicle fully laden; Guarantee that vehicle frame is stressed evenly; The while in life-span of having improved vehicle frame has guaranteed the cross side stress that vehicle goes and produces, to the injury of whole vehicle frame generation because template supports in the connection of each point under turning and abominable road; Make vehicle frame be difficult for torsional deflection, increase the service life.The various stress that said vehicle frame can absorb under the specific condition rapidly to be produced.
Front vehicle frame is equipped with the drive system assembly, and integral body protrudes in vehicle body integral body, when making positive bump certain cushion space is arranged, and has guaranteed passenger personnel's safety, makes that the car load design is more reasonable.Middle vehicle frame provides the installation site of electrokinetic cell, has guaranteed the axle load proportioning and the center-of-gravity position of vehicle.Back vehicle frame is mainly used in to be installed back axle assembly and back seat is provided and the boot space.
Compared with prior art, the utility model advantage:
1. chassis axle can be dealt with the road conditions of urban congestion apart from weak point.
2. cross side stress in chassis is little, uses the chassis indeformable for a long time.
3. the chassis bearing capacity is strong and curb mass is lighter.
4. the chassis electrokinetic cell is put rationally, satisfies the space requirement of battery-driven car.
5. chassis frame is stressed evenly, and driving stability is applicable to hot-short.
6. the chassis travelling comfort is better, and is suitable for various road conditions.
7. adopt four-wheel disc brake system, braking is sensitive, and safety performance is superior.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment chassis frame; Fig. 2 is the utility model embodiment whole structure scheme drawing.
Among the figure, 1-1-left and right single tube longeron; 2-midship mounting beam; 3-1-absorption collision prevention girders; 4-front apron; 4-1,4-2-middle cross member of frame; 5-1,5-2,5-3-back cross member of frame; 6-1,6-2,6-3-support energy-absorbing beam; 7-1-energy-absorbing discharges beam; 8-1-reinforced rib.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Embodiment: the present embodiment structure is like accompanying drawing 1, shown in 2; Mainly comprise vehicle frame and actuating device; Said actuating device comprises drive motor, electric machine controller, change-speed box, and semiaxis, drive front axle, its principal feature are that said vehicle frame is welded through the seamless round tube of different size; Vehicle frame is the bearing-type unitized frame, and the front and back axle load is than being 55:45; Vehicle frame comprises front vehicle frame, middle vehicle frame and back vehicle frame; Front vehicle frame is equipped with the drive system assembly that integral body protrudes in vehicle body; Middle vehicle frame is provided with the installation site of electrokinetic cell; Back vehicle frame is provided with and is used to that back axle assembly is installed and back seat is provided and the space of boot.
Body frame structure for automotive is shown in accompanying drawing 1; Be welded into a complete tubular frame by left and right single tube longeron 1-1 and midship mounting beam 2 through front vehicle frame absorption collision prevention girders 3-1, front apron 4 and middle cross member of frame 4-1,4-2 and back cross member of frame 5-1,5-2,5-3, vehicle frame is made up of front vehicle frame, middle vehicle frame and back vehicle frame.
Be welded with on the front vehicle frame and support energy-absorbing beam 6-1,6-2,6-3.Absorption collision prevention girders 3-1 in the front vehicle frame vehicle receive front or side when clashing into strongly can with power through support energy-absorbing beam 6-1,6-2,6-3 be discharged on each support beam of vehicle frame, guaranteed that the chassis whole structure is indeformable on largely.
Be welded with on the middle vehicle frame to absorb and discharge beam 7-1.Middle vehicle frame is mainly used in installation site and top major-minor that power battery box is provided and drives seat position, is car load center-point and power battery box center-point, guarantees that car load front and back axle load is than being 55:45.In the energy-absorbing of frame pedal base plate position discharge beam 7-1 and can receive when clashing at vehicle, power is absorbed be distributed on each longeron and the crossbeam uniformly, reduced the injury of impulsive force to a point or mechanism.Middle cross member of frame 4-1,4-2 form an integral body with power battery box and left and right single tube longeron 1-1, have not only solved the difficult problem of battery of electric vehicle, and driving space and seat fulcrum also well are provided.The midship mounting beam 2 of middle vehicle frame not only plays eliminates the phenomenon of revealing all the details in the middle of the heavy duty of chassis; And be embedded in battery box inside; Mode and battery gap through punching form a ventilation road junction; Can give battery pack heating or cooling according to the variation of temperature conditions, guarantee the working stability of battery, prolong vehicle continual mileage and cell integrated life-span.
Be welded with reinforced rib 8-1 on the back vehicle frame.Back vehicle frame is made up of beam rear axle, back cross member of frame 5-1,5-2,5-3 and reinforced rib 8-1.Said beam rear axle is fixed on the left and right single tube longeron 1-1 through Panhard rod and bumper, coil spring; Unite use through damping spring and damping damper; Support various downforce; Make present embodiment can carry precipitate gravity and cross side is gone all out, guaranteed service life.
The present embodiment whole structure is as shown in Figure 2, and front vehicle frame is convenient to the layout and the linear reference of car load of drive system.Motor, change-speed box are fixed on the front vehicle frame, drive front-wheel through semiaxis and go motor upper space fixed electrical machinery controller; Make the system high pressure connecting line shorten; To external world electromagnetic interference significantly reduces during operation, and safety improves greatly, guarantees the working stability of other system.The motor front end adopts MacPherson strut to be fixed on the front vehicle frame; It supports and adopts the seamless pipe of different size to be welded, and than orthodox car suspension support strength bigger raising is arranged, and the propons strong point not only is provided; Even and when guaranteeing to receive side and 45 degree bumps; Still can guarantee car load and suspension location non-migration, left and right sides suspension supports the forward engine room space is provided, and is convenient to the entire arrangement of drive system.Motor rear end links to each other with change-speed box and passes through flexible fastening on the collision prevention girders of front vehicle frame.Said propons is a drive axle, links to each other with change-speed box through semiaxis, is used to drive car load and goes.
All pipe radians of present embodiment chassis all adopt clod wash to form according to the vehicle structure arrangement form, do not influence car load intensity.
Claims (4)
1. electrocar chassis; Comprise vehicle frame and actuating device; Said actuating device comprises drive motor, electric machine controller, change-speed box; Semiaxis, drive front axle is characterized in that said vehicle frame is welded through the seamless round tube of different size, absorb collision prevention girders, front apron and middle cross member of frame through front vehicle frame and the back cross member of frame is welded into the whole tubular frame of bearing-type by left and right single tube longeron and midship mounting beam; Vehicle frame comprises front vehicle frame, middle vehicle frame and back vehicle frame, is welded with on the front vehicle frame and supports the energy-absorbing beam, is welded with on the middle vehicle frame to absorb to discharge beam, is welded with reinforced rib on the back vehicle frame.
2. electrocar as claimed in claim 1 chassis is characterized in that front vehicle frame is equipped with the drive system assembly that integral body protrudes in vehicle body.
3. electrocar as claimed in claim 1 chassis, vehicle frame is provided with the installation site of electrokinetic cell in it is characterized in that.
4. electrocar as claimed in claim 1 chassis, vehicle frame is provided with and is used to that back axle assembly is installed and back seat is provided and the space of boot after it is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205310218U CN202413928U (en) | 2011-12-19 | 2011-12-19 | Electric passenger-car chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205310218U CN202413928U (en) | 2011-12-19 | 2011-12-19 | Electric passenger-car chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413928U true CN202413928U (en) | 2012-09-05 |
Family
ID=46738715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205310218U Expired - Lifetime CN202413928U (en) | 2011-12-19 | 2011-12-19 | Electric passenger-car chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202413928U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431594A (en) * | 2011-12-19 | 2012-05-02 | 李辉 | Electric car chassis |
| CN104369770A (en) * | 2013-08-17 | 2015-02-25 | 江苏卡威汽车工业集团有限公司 | Rear floor frame |
| CN109204567A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Electric car and its body structure |
| CN109204526A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN111660785A (en) * | 2019-03-06 | 2020-09-15 | 丰田自动车株式会社 | Power unit mounting structure |
-
2011
- 2011-12-19 CN CN2011205310218U patent/CN202413928U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431594A (en) * | 2011-12-19 | 2012-05-02 | 李辉 | Electric car chassis |
| CN104369770A (en) * | 2013-08-17 | 2015-02-25 | 江苏卡威汽车工业集团有限公司 | Rear floor frame |
| CN109204567A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Electric car and its body structure |
| CN109204526A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204526B (en) * | 2017-06-30 | 2021-02-23 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN111660785A (en) * | 2019-03-06 | 2020-09-15 | 丰田自动车株式会社 | Power unit mounting structure |
| CN111660785B (en) * | 2019-03-06 | 2023-04-18 | 丰田自动车株式会社 | Power unit mounting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358347B (en) | Chassis of minibus | |
| CN202294969U (en) | Electric truck chassis | |
| JP5657137B2 (en) | Underbody for electric vehicles | |
| CN202413928U (en) | Electric passenger-car chassis | |
| US20100006362A1 (en) | Vehicle Suspension Kinetic Energy Recovery System | |
| CN202130495U (en) | Heavy-load chassis of electric vehicle | |
| CN102431593A (en) | Electric vehicle chassis | |
| KR102382679B1 (en) | Integrated Flatform Chassis Where Battery, Motor and Frame are Integrated Into One | |
| CN102303644A (en) | Heavy-load electric vehicle chassis | |
| CN202320499U (en) | Chassis of middle bus | |
| CN206826383U (en) | A kind of pure electric automobile | |
| CN204749784U (en) | Suspension system behind vehicle air spring | |
| CN202413922U (en) | Electric car chassis | |
| CN106696669A (en) | Electric automobile power assembly suspension system | |
| CN202016512U (en) | Rear suspension device of cab | |
| CN201739407U (en) | Suspension system | |
| CN105196851A (en) | Chassis for medium-sized pure electric bus | |
| CN205097850U (en) | Bear preceding independent suspension structure of formula [electric] motor coach entirely | |
| CN102431594A (en) | Electric car chassis | |
| CN201371862Y (en) | Frame-type combined vehicle frame | |
| CN201729192U (en) | Novel car frame of passenger car | |
| CN201300918Y (en) | Trolley equipped with bracket and used for transferring semi-finished vehicles | |
| CN103481967B (en) | Three-wheel vehicle | |
| CN202283936U (en) | Midi-bus chassis | |
| CN208198032U (en) | Rear suspension for vehicle and the vehicle with it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210617 Address after: Room 106, building 7, Tongchi Industrial Park, No.8 Liufang Road, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee after: JIAYUAN NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 211500 no.266, Xiongzhou South Road, Longchi street, Liuhe Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Li Hui |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210804 Address after: Room 212-45, 2 / F, Beidou building, 6 Huida Road, high tech Development Zone, Nanjing, Jiangsu 210000 Patentee after: Nanjing yiqixing Information Technology Co.,Ltd. Address before: Room 106, building 7, Tongchi Industrial Park, No.8 Liufang Road, Jiangbei new district, Nanjing City, Jiangsu Province, 210000 Patentee before: JIAYUAN NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |