CN202283936U - Midi-bus chassis - Google Patents
Midi-bus chassis Download PDFInfo
- Publication number
- CN202283936U CN202283936U CN2011203618328U CN201120361832U CN202283936U CN 202283936 U CN202283936 U CN 202283936U CN 2011203618328 U CN2011203618328 U CN 2011203618328U CN 201120361832 U CN201120361832 U CN 201120361832U CN 202283936 U CN202283936 U CN 202283936U
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- vehicle frame
- frame
- chassis
- midi
- longeron
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Abstract
The utility model belongs to the technical field of electromobiles and relates to an electric midi-bus chassis, which comprises a frame and a driving device, wherein the driving device comprises a driving motor, a motor controller, a transmission, a half shaft and a driving front axle, and the frame comprises a front frame, a middle frame and a rear frame. A driving system assembly protruding out of the whole midi-bus body is installed on the upper portion of the front frame, a power battery installation position is arranged on the middle frame, and a space for installing a rear axle assembly and providing subsequent modification is arranged on the rear frame. The midi-bus chassis performs an innovative structural design on a chassis crossbeam, makes the best of characteristics of a triangle, and adopts a large amount of high-strength manganese steel for welding, thereby providing good toughness. The midi-bus chassis is formed by welding two longitudinal beams and five cross beams with different specifications in assembling mode, crossbeam strength is ensured and a power battery box body is provided, and the whole system is led to be integrated. In addition, gravity can be evenly distributed in a midi-bus heavy load state, so that the midi-bus chassis can well bear cross lateral stress generated by a midi-bus.
Description
Technical field
The utility model belongs to the electric vehicle engineering field, relates to a kind of multifunctional automobile chassis, applies to electronic minibus chassis 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; The all unconfined overcrowding interests maximization of making that is in operation of the commerial vehicle of China; And distortion has in various degree all appearred in existing body-chassis frame construction and chassis continuous running under this kind overload state after several years; Cause chassis ridgepole distortion or crooked, lopsidedness or middle phenomenon of revealing all the details appear in vehicle under the fully laden.
It is that longeron and the riveted joint of a plurality of crossbeam form that existing non-bearing formula vehicle chassis all adopts the channel-section steel form; 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, this point is bearing the multiple downforce how much, makes chassis ridgepole produce fatigue deformation in the course of time.And 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.
Summary of the invention
The purpose of the utility model is in order to have overcome above-mentioned technical disadvantages, and a kind of improved multi-functional minibus chassis that proposes.
The utility model has carried out the structure design of innovation on chassis ridgepole, made full use of leg-of-mutton characteristic, and adopts the welding of high strength manganese steel in a large number; Toughness preferably is provided; Finally the crossbeam assembling by two longerons and five different sizes is welded, and has not only guaranteed big beam strength but also the electrokinetic cell casing is provided, and makes 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.
The utility model has been innovated structure design, and outside satisfying self-demand, maximization improves bearing capacity and the precipitate various stress of strain.
The utility model main technical schemes is: a kind of minibus chassis, mainly comprise vehicle frame and actuating device, and said actuating device comprises drive motor, electric machine controller, change-speed box, semiaxis, drive front axle; Said vehicle frame comprises front vehicle frame, middle vehicle frame, back vehicle frame; Wherein front vehicle frame top is equipped with and is protruded in vehicle body single-piece drive system assembly; The middle dynamic battery of vehicle frame installation site; Back vehicle frame is useful on the space of back axle assembly being installed and later conversion being provided.
Said vehicle frame is that the bearing-type vehicle frame is welded through the different size rectangular 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.
Compared with prior art, the utility model advantage:
1. adopt above-mentioned chassis bearing capacity strong and curb mass is lighter.
2. adopt above-mentioned chassis cross side stress little, use the chassis indeformable for a long time.
3. adopt above-mentioned chassis utilization scope extensively can apply to multiple special vehicle repacking.
4. adopt above-mentioned chassis electrokinetic cell to put rationally, satisfy the demand of battery-driven car.
5. adopt above-mentioned chassis frame stressed evenly, driving stability is applicable to hot-short.
6. adopt above-mentioned chassis travelling comfort better, and be 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 utility model embodiment whole structure scheme drawing; Fig. 2 is the utility model embodiment minibus chassis structure scheme drawing.
In the accompanying drawing, 1-1,1-2-longeron; 2-1-right monolithic longeron; 2-2-left monolithic longeron; 3-1-link beam; 4-1,4-2-back cross member of frame; 4-4,4-3-middle cross member of frame; 4-5-front vehicle frame crossbeam; 5-1,5-2,5-3-reinforced rib; 6-1-car load electrokinetic cell base plate; 7-1,7-2-front vehicle frame; 8-1,8-2-back axle.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
Embodiment:The whole chassis structure of the utility model embodiment minibus mainly comprises vehicle frame and actuating device shown in accompanying drawing 2, said actuating device comprises drive motor, electric machine controller, change-speed box, semiaxis, four parts of drive front axle; Said vehicle frame comprises front vehicle frame, middle vehicle frame, three parts of back vehicle frame; Wherein front vehicle frame top is equipped with and is protruded in vehicle body single-piece drive system assembly; The middle dynamic battery of vehicle frame installation site; Back vehicle frame is useful on the space of back axle assembly being installed and later conversion being provided.
The utility model embodiment whole structure scheme drawing is as shown in Figure 1; Motor, change-speed box are fixed on the front vehicle frame; Driving front-wheel through semiaxis goes; Motor upper space fixed electrical machinery controller makes system's when operation electromagnetic interference to external world significantly reduce, and guarantees the working stability of other system.
The structure on present embodiment minibus chassis; Shown in accompanying drawing 2; Described vehicle frame is a complete loading carriage; Be welded to form by right monolithic longeron 2-1, left monolithic longeron 2-2 and through front vehicle frame crossbeam 4-5, middle cross member of frame 4-4,4-3 and back cross member of frame 4-2,4-1, be welded with the link beam 3-1 of triangular structure up and down between longeron, the lower and upper cross-member, made full use of leg-of-mutton characteristic; Make the utility model chassis can carry precipitate gravity and cross side is gone all out, guaranteed service life.All crossbeam height are consistent, and the front vehicle frame that adopts special material to make is convenient to the layout of drive system and the reasonableness of car load layout.
Drive motor front end employing elastic shock attenuation element in the said actuating device is fixed on front vehicle frame 7-1,7-2 is last, guarantees the stability and the reliability of motor output torque.The drive motor rear end links to each other with change-speed box and passes through flexible fastening above front vehicle frame 7-1, the 7-2 and on the collision prevention girders below the bonnet; Propons in the actuating device is a drive axle, links to each other with change-speed box through semiaxis, is used to drive car load and goes, and adopts preposition forerunner's pattern, is convenient to the integral layout of vehicle, has increased the repacking space of car load.Front suspension is the Mai Fuxun stand alone type, and rear suspension is independent towed, makes that the car load damping performance is superior, and travelling comfort is better.
Shown in accompanying drawing 2, middle vehicle frame is mainly used in the installation site that power battery pack is provided, and wherein 6-1 is a car load electrokinetic cell base plate; Adopt 1.00mm iron plate flanging to form, intensity improves greatly behind the flanging, is used to carry power battery pack; Be integrated with front vehicle frame crossbeam 4-5 and middle cross member of frame 4-3, longeron 1-1 and 1-2, form the electrokinetic cell casing, practiced thrift material; Also alleviated the chassis quality; Wherein for can guarantee that the power battery box body can bear the dynamic load impact from electrokinetic cell, to prevent the reveal all the details generation of phenomenon of battery box bottom, reinforced rib 5-1,5-2, the 5-3 as power battery box in the middle vehicle frame is connected left and right monolithic longeron 2-2,2-1 is last; And, guaranteed the heat-dissipating space of electrokinetic cell with being separated out corresponding gap between electrokinetic cell.In vehicle frame be mainly used in before and after vehicle frame and the power battery pack installing space is provided, make electrokinetic cell stealthy inner, not only safety but also meet vehicle design and require and aesthetic standard on the chassis.The power battery pack putting position has guaranteed the center-of-gravity position of car load and has guaranteed that the axle load ratio is 55:45; Reached the design objective of existing fuel combustion vehicle; This is existing chassis refit standard that electronic vehicle is beyond one's reach, and has met each item index of batch manufacturing.
Shown in accompanying drawing 2, back vehicle frame is made up of back axle 8-1,8-2 and back cross member of frame 4-1,4-2, and back axle is fixed on left and right monolithic longeron 2-2 through dragging arm, 2-1 is last; Back axle is driven bridge, unites use through damping spring and damping damper, supports various downforce.Said back vehicle frame has bigger space to give follow-up repacking operation.
Claims (5)
1. a minibus chassis mainly comprises vehicle frame and actuating device, and said actuating device comprises drive motor, electric machine controller, change-speed box, and semiaxis, drive front axle is characterized in that said vehicle frame comprises front vehicle frame, middle vehicle frame, back vehicle frame; Wherein front vehicle frame top is equipped with and is protruded in vehicle body single-piece drive system assembly; The middle dynamic battery of vehicle frame installation site; Back vehicle frame is useful on the space of back axle assembly being installed and later conversion being provided.
2. minibus as claimed in claim 1 chassis; It is characterized in that said vehicle frame is complete loading carriage; Be welded to form through front vehicle frame crossbeam, middle cross member of frame and back cross member of frame by right monolithic longeron, left monolithic longeron, be welded with the link beam of triangular structure up and down between longeron, the lower and upper cross-member.
3. according to claim 1 or claim 2 minibus chassis, it is characterized in that said in vehicle frame electrokinetic cell installation site adopt the iron plate flanging, be integrated with front vehicle frame crossbeam and middle cross member of frame, longeron, form the electrokinetic cell casing, be provided with reinforced rib between the longeron.
4. according to claim 1 or claim 2 minibus chassis is characterized in that said back vehicle frame is made up of back axle and back cross member of frame, and back axle is fixed on the longeron through dragging arm.
5. according to claim 1 or claim 2 minibus chassis; It is characterized in that the drive motor front end in the said actuating device adopts the elastic shock attenuation element to be fixed on the front vehicle frame, the drive motor rear end links to each other with change-speed box and passes through flexible fastening above the front vehicle frame and on the collision prevention girders below the bonnet; Propons in the actuating device is a drive axle, links to each other with change-speed box through semiaxis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203618328U CN202283936U (en) | 2011-09-26 | 2011-09-26 | Midi-bus chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203618328U CN202283936U (en) | 2011-09-26 | 2011-09-26 | Midi-bus chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283936U true CN202283936U (en) | 2012-06-27 |
Family
ID=46295465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203618328U Expired - Lifetime CN202283936U (en) | 2011-09-26 | 2011-09-26 | Midi-bus chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202283936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358347A (en) * | 2011-09-26 | 2012-02-22 | 李辉 | Chassis of minibus |
| CN105196851A (en) * | 2015-08-10 | 2015-12-30 | 河北中能格瑞电动汽车有限公司 | Chassis for medium-sized pure electric bus |
-
2011
- 2011-09-26 CN CN2011203618328U patent/CN202283936U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358347A (en) * | 2011-09-26 | 2012-02-22 | 李辉 | Chassis of minibus |
| CN102358347B (en) * | 2011-09-26 | 2013-08-28 | 李辉 | Chassis of minibus |
| CN105196851A (en) * | 2015-08-10 | 2015-12-30 | 河北中能格瑞电动汽车有限公司 | Chassis for medium-sized pure electric bus |
| CN105196851B (en) * | 2015-08-10 | 2018-04-27 | 河北中能格瑞电动汽车有限公司 | A kind of chassis of medium-sized pure electric coach |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |
|
| CX01 | Expiry of patent term |