CN104129263A - Three-axle single-tire loaded electric bus - Google Patents
Three-axle single-tire loaded electric bus Download PDFInfo
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- CN104129263A CN104129263A CN201410388383.4A CN201410388383A CN104129263A CN 104129263 A CN104129263 A CN 104129263A CN 201410388383 A CN201410388383 A CN 201410388383A CN 104129263 A CN104129263 A CN 104129263A
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Abstract
The invention discloses a three-axle single-tire loaded electric bus. The bus comprises a chassis, a steering mechanism and a driving mechanism, wherein the steering mechanism and the driving mechanism are fixed on the chassis, the steering mechanism is positioned on the front side of the driving mechanism, and the steering mechanism comprises a steering axle and two steering wheels respectively arranged on both sides of the steering axle; the driving mechanism comprises driving axles, electric drive systems and driving wheels, the driving axles comprise a first driving axle and a second driving axle which are both horizontally arranged and in parallel each other, the driving wheels and the electric drive systems enabling the driving wheels to rotate are respectively arranged on the left sides and the right sides of the first driving axle and the second driving axle, and the electric drive systems are fixed on the driving axles. When the bus disclosed by the invention is applied, the steering wheels, the driving wheels and the electric drive systems, of which the volumes are small, can be adopted, so that altitude differences between bosses, corresponding to the mounting positions of the steering wheels, the driving wheels and the electric drive systems, on a bottom plate of a carriage, and the floor of the carriage can be reduced. After seats are arranged on the bosses, crews can take seats and stand up conveniently.
Description
Technical field
The present invention relates to bus, specifically a kind of electric bus of three bridge list tire carryings.
Background technology
In recent years, energy-conserving and environment-protective are more and more subject to people's attention, and the electronic class new forms of energy buses such as pure battery electric bus, hybrid-power bus, extended-range bus, double source trackless electric bus, trackless electric bus develop rapidly because of the advantage with energy-saving and emission-reduction.Existing electronic class new forms of energy bus generally adopts the mode of doube bridge, propons is as steeraxle, back axle is as drive axle, and single bridge load is large, in order to meet load bearing requirements, need to use larger tire, and the restriction of driving system structure while being subject to existing electronic class new forms of energy bus back axle to adopt centralized driving mode, in the time that railway carriage tank top plate adopts low floor, the corresponding railway carriage tank top plate of drive axle and tire position is higher, the seat position that is arranged on these positions is higher, is not easy to occupant and stands up and take a seat.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of electric bus of four bridge carryings is provided, it can reduce the railway carriage tank top plate boss that causes because of drive axle and tire and the diff-H of load carrying floor, in the time that seat is installed at railway carriage internal projection position, be also convenient to occupant and take a seat and stand up.
The present invention addresses the above problem and is achieved through the following technical solutions: a kind of electric bus of three bridge list tire carryings, comprise chassis and be fixed on steering hardware and the driver train on chassis, described steering hardware is positioned at driver train front side, and steering hardware comprises that steeraxle and two are separately positioned on the steered wheel of steeraxle both sides; Described driver train comprises drive axle, power drive system and drives wheel, described drive axle comprises the first drive axle and the second drive axle, described the first drive axle and the equal horizontally set of the second drive axle and parallel to each other, the first drive axle and the second drive axle left and right sides are provided with the power drive system that drives wheel and make to drive vehicle wheel rotation, and described power drive system is fixed on drive axle.Bus of the present invention can be the electronic class new forms of energy buses such as pure battery electric bus, hybrid-power bus, extended-range bus, double source trackless electric bus, trackless electric bus.When the present invention applies, each power drive system is a driving wheel of corresponding driving respectively, drive system is coordinated by controller in motion process, and the differential requirement when ensureing that the rotating speed of each driving wheel is identical and turning to, disperses thereby realize doube bridge the mode driving.
Further, described steering hardware also comprises longitudinal tie and steering booster, on described steeraxle, is connected with pitman arm, and described longitudinal tie two ends connect respectively steering booster and pitman arm.So, when the present invention applies, steering booster reaches power by vertical position bar the pitman arm connecting on steeraxle, and under the induced effect of pitman arm, steered wheel is realized and being turned to.
Further, described pitman arm comprises the cross connecting plate of horizontally set and the longitudinal connecting panel longitudinally arranging, described longitudinal connecting panel front end is connected with cross connecting plate, described pitman arm is by being arranged on steeraxle through cross connecting plate and the locating dowel pin of longitudinal connecting panel connecting portion, pitman arm is flexibly connected with steeraxle by its longitudinal connecting panel rear end, and described longitudinal tie the connects longitudinal connecting panel end relatively other end by being connected to cross connecting plate is connected with pitman arm.When pitman arm of the present invention is movable, it can rotate around locating dowel pin.
In order to ensure the structural strength of pitman arm, further, the cross connecting plate of described pitman arm and longitudinally connecting panel become one.
Further, described power drive system comprises motor, wheel carrier, top link and lower swing arm, described motor is fixed on wheel carrier, described power drive system makes to drive vehicle wheel rotation by motor, described top link and lower swing arm are connected to the upper and lower two ends of wheel carrier, and power drive system is connected on drive axle by top link and lower swing arm.So, when the present invention applies, rotated by power wheel, and top link and lower swing arm in the time that the present invention vibrates for power drive system is led.
Further, described power drive system also comprises the air bag being arranged on top link.So, top link of the present invention can act on air bag while swing, and air bag is flexible can reach the object of the present invention being carried out to vibration damping.
Further, described power drive system also comprises the shock absorber that two ends are connected with lower swing arm and drive axle respectively.The present invention's shock absorber in the time that lower swing arm swings is flexible, under the telescopic action of shock absorber, can further promote effectiveness in vibration suppression of the present invention.
Further, described top link includes with lower swing arm the flexible connecting strip that two one end are connected with wheel carrier, the other end of the relative fifth wheel frame end of flexible connecting strip is connected with bulb, and described top link is all fixed on drive axle and is connected with drive axle by bulb with lower swing arm.When top link of the present invention and lower swing arm are connected on drive axle all by two point locations, the amplitude of fluctuation of power drive system can reduce the present invention and apply time; Power drive system of the present invention can carry out small size horizontal hunting under the effect of bulb, can avoid rigid connection to have the problem of structural failure.
In sum, the present invention has following beneficial effect: (1) steering hardware of the present invention comprises steeraxle, driver train comprises the first drive axle and the second drive axle, adopt the mode of three bridge carryings, can reduce the load of every root bridge, so, less tire just can bear required load, can reduce to drive the volume of wheel and steered wheel, so, when applying, the present invention can reduce tire correspondence position railway carriage tank top plate height, and then can reduce the height of seat of tire correspondence position, being convenient to occupant takes a seat and stands up, especially old, a little less than, sick, the upper and lower seat of residual personage is more convenient.
(2) the present invention adopts two root bridges as drive axle, and a root bridge as steeraxle, has ensured enough power output and taken advantage of in a situation of performance the best, having realized the minimumization requirement of cost.
(3) when the present invention applies, adopt doube bridge to disperse electrically operated mode, can reduce the power requirement of power drive system and the moment of torsion that power drive system bears, and then can reduce the volume and weight of power drive system, so, when the present invention applies, the height of drive axle position railway carriage tank top plate can reduce, and then can reduce the impact on railway carriage tank top plate height when the present invention is applied, is convenient to seat arrangements in car.
(4) the present invention adopts the mode that doube bridge drives and three bridges carry, the volume of steered wheel, driving wheel and power drive system all can reduce, so, the present invention is in the time that railway carriage tank top plate adopts low floor, boss and load carrying floor diff-H are also less, install after seat at boss, occupant take a seat stand up convenient.
Brief description of the drawings
Fig. 1 is that in specific embodiment of the present invention, steering hardware and driver train are connected to the structural representation on chassis;
Fig. 2 is the structural representation of steering hardware in Fig. 1;
Fig. 3 is the structural representation of driver train in Fig. 1;
Fig. 4 is the structural representation of power drive system in Fig. 3.
In accompanying drawing, the corresponding name of Reference numeral is called: 1, chassis, 2, steering hardware, 201, steeraxle, 202, steered wheel, 203, longitudinal tie, 204, pitman arm, 205, steering booster, 3, driver train, 301, the first drive axle, 302, the second drive axle, 303, wheel, 304, top link, 305, shock absorber, 306, lower swing arm, 307, motor, 308, wheel carrier, 309, air bag.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of electric bus of three bridge list tire carryings, comprise chassis 1, steering hardware 2 and driver train 3, wherein, steering hardware 2 and driver train 3 are all fixed on chassis 1, steering hardware 2 is positioned at driver train 3 front sides, and the steering hardware 2 of the present embodiment comprises that steeraxle 201 and two are separately positioned on the steered wheel 202 of steeraxle 201 both sides.The driver train 3 of the present embodiment comprises drive axle, power drive system and driving wheel 303, wherein, drive axle comprises the first drive axle 301 and the second drive axle 302, the first drive axle 301 and the equal horizontally set and parallel to each other of the second drive axle 302, the first drive axle 301 is identical with the second drive axle 302 level heights and have in the vertical a determining deviation, the first drive axle 301 and second drive axle 302 both left and right sides are provided with and drive wheel 303 and make the power drive system that drives wheel 303 to rotate, drive the power drive system of 301 liang of side drive wheels 303 of the first drive axle to be connected on the first drive axle 301, drive the power drive system of 302 liang of side drive wheels 303 of the second drive axle to be connected on the second drive axle 302.
When the present embodiment application, adopt doube bridge to turn to doube bridge and disperse the mode driving, each driving wheel 303 is all to there being a power drive system to drive it.
Embodiment 2:
As shown in Figure 2, the present embodiment has been made following further restriction on the basis of embodiment 1: the steering hardware 2 of the present embodiment also comprises longitudinal tie 203 and steering booster 205, wherein, on steeraxle 201, be connected with pitman arm 204, longitudinal tie 203 two ends connect respectively steering booster 205 and pitman arm 204.
When the present embodiment application, drive longitudinal tie 203 to move by steering booster 205, power is reached the pitman arm 204 on steeraxle 201 by longitudinal tie 203, under the induced effect of pitman arm 204, realizes turning to of steeraxle 201.
Embodiment 3:
The present embodiment has been made following further restriction on the basis of embodiment 2: the pitman arm 204 of the present embodiment comprises the cross connecting plate of horizontally set and the longitudinal connecting panel longitudinally arranging, wherein, longitudinally connecting panel front end is connected with cross connecting plate, and longitudinally connecting panel is connected rear entirety formation " L " shape with cross connecting plate.For the structural strength of pitman arm 204 is provided, in the present embodiment, the cross connecting plate of pitman arm 204 and longitudinal connecting panel become one.Pitman arm 204 in the present embodiment on steeraxle 201 is by being arranged on steeraxle 201 through cross connecting plate and the locating dowel pin of longitudinal connecting panel connecting portion, on steeraxle 201, pitman arm 204 is flexibly connected with steeraxle 201 by its longitudinal connecting panel rear end, and longitudinal tie 203 rear ends of the present embodiment the connect longitudinal connecting panel end relatively other end by being connected to cross connecting plate is connected with pitman arm 204.
Embodiment 4:
As shown in Figures 3 and 4, on the basis of the present embodiment any one embodiment in embodiment 1～embodiment 3, make following further restriction: the power drive system of the present embodiment comprises motor 307, wheel carrier 308, top link 304 and lower swing arm 306, wherein, motor 307 is fixed on wheel carrier 308, and power drive system makes to drive wheel 303 to rotate by motor 307.The top link 304 of the present embodiment and lower swing arm 306 are connected to wheel carrier Shang Xia 308 two ends, and power drive system is connected on drive axle by top link 304 and lower swing arm 306.
When the present embodiment application, each motor 307 drives single driving wheel 303, its moment of torsion bearing reduces, the power requirement of motor 307 also reduces, so, can reduce the power of motor 307 and dwindle the volume of motor 307, save the cost of motor 307, and can reach the object of dwindling power drive system volume.The present embodiment in the specific implementation motor 307 of four power drive systems is coordinated by electric machine controller in motion process, ensure the deceleration requirement that the rotating speed of each driving wheel 303 is identical and turn to, when the present embodiment application, be convenient to adopt electric machine controller to control, automatically controlled cost is low.
Embodiment 5:
The present embodiment has been made following further restriction on the basis of embodiment 4: the power drive system of the present embodiment also comprises air bag 309, and wherein, air bag 309 is arranged on top link 304.When the present embodiment vibration, air bag 309 is flexible, and then can reach the object of vibration damping.
Embodiment 6:
The present embodiment has been made following further restriction on the basis of embodiment 4 or embodiment 5: the power drive system of the present embodiment also comprises shock absorber 305, shock absorber 305 one end are connected on lower swing arm 306, its other end is connected on drive axle, and the drive axle that each shock absorber 305 connects is same drive axle with the drive axle that the power drive system under it is connected.When the present embodiment application, if there is vibration, shock absorber 305 can be flexible, and then reach the object of vibration damping.
Embodiment 7:
On the basis of the present embodiment any one embodiment in embodiment 4～embodiment 6, make following further restriction: the top link 304 of the present embodiment includes with lower swing arm 306 flexible connecting strip that two one end are connected with wheel carrier 308, wherein, flexibly connect strip adoption plastics, the other end that flexible connecting strip connects wheel carrier 308 ends is relatively connected with bulb, and top link 304 is all fixed on drive axle and is connected with drive axle by bulb with lower swing arm 306.The present embodiment is in the time that power drive system carries out horizontal hunting, and under the effect of bulb, the connection structure of power drive system and drive axle is not fragile.
As mentioned above, can realize preferably the present invention.
Claims (8)
1. the electric bus of a bridge list tire carrying, it is characterized in that, comprise chassis (1) and be fixed on steering hardware (2) and the driver train (3) on chassis (1), described steering hardware (2) is positioned at driver train (3) front side, and steering hardware (2) comprises that steeraxle (201) and two are separately positioned on the steered wheel (202) of steeraxle (201) both sides; Described driver train (3) comprises drive axle, power drive system and drives wheel (303), described drive axle comprises the first drive axle (301) and the second drive axle (302), described the first drive axle (301) and the second drive axle (302) be horizontally set and parallel to each other all, the first drive axle (301) and both left and right sides of the second drive axle (302) are provided with and drive wheel (303) and make the power drive system that drives wheel (303) to rotate, and described power drive system is fixed on drive axle.
2. the electric bus of a kind of three bridge list tire carryings according to claim 1, it is characterized in that, described steering hardware (2) also comprises longitudinal tie (203) and steering booster (205), on described steeraxle (201), be connected with pitman arm (204), described longitudinal tie (203) two ends connect respectively steering booster (205) and pitman arm (204).
3. the electric bus of a kind of three bridge list tire carryings according to claim 2, it is characterized in that, described pitman arm (204) comprises the cross connecting plate of horizontally set and the longitudinal connecting panel longitudinally arranging, described longitudinal connecting panel front end is connected with cross connecting plate, described pitman arm (204) is by being arranged on steeraxle (201) through cross connecting plate and the locating dowel pin of longitudinal connecting panel connecting portion, pitman arm (204) is flexibly connected with steeraxle (201) by its longitudinal connecting panel rear end, described longitudinal tie (203) the connects longitudinal connecting panel end relatively other end by being connected to cross connecting plate is connected with pitman arm (204).
4. the electric bus of a kind of three bridge list tire carryings according to claim 3, is characterized in that, the cross connecting plate of described pitman arm (204) and longitudinally connecting panel become one.
5. according to the electric bus of a kind of three bridge list tire carryings described in any one in claim 1～4, it is characterized in that, described power drive system comprises motor (307), wheel carrier (308), top link (304) and lower swing arm (306), described motor (307) is fixed on wheel carrier (308), described power drive system makes to drive wheel (303) to rotate by motor (307), described top link (304) and lower swing arm (306) are connected to the upper and lower two ends of wheel carrier (308), power drive system is connected on drive axle by top link (304) and lower swing arm (306).
6. the electric bus of a kind of three bridge list tire carryings according to claim 5, is characterized in that, described power drive system also comprises the air bag (309) being arranged on top link (304).
7. the electric bus of a kind of three bridge list tire carryings according to claim 5, is characterized in that, described power drive system also comprises the shock absorber (305) that two ends are connected with lower swing arm (306) and drive axle respectively.
8. the electric bus of a kind of three bridge list tire carryings according to claim 5, it is characterized in that, described top link (304) includes with lower swing arm (306) flexible connecting strip that two one end are connected with wheel carrier (308), the other end that flexible connecting strip connects wheel carrier (308) end is relatively connected with bulb, and described top link (304) is all fixed on drive axle and is connected with drive axle by bulb with lower swing arm (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388383.4A CN104129263A (en) | 2014-08-08 | 2014-08-08 | Three-axle single-tire loaded electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388383.4A CN104129263A (en) | 2014-08-08 | 2014-08-08 | Three-axle single-tire loaded electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104129263A true CN104129263A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410388383.4A Pending CN104129263A (en) | 2014-08-08 | 2014-08-08 | Three-axle single-tire loaded electric bus |
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| CN (1) | CN104129263A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786804A (en) * | 2015-04-30 | 2015-07-22 | 郑州宇通客车股份有限公司 | Vehicle and wheel edge drive system and wheel edge drive torque distributing method thereof |
| CN105799491A (en) * | 2014-12-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | New energy automobile double-motor drive axle |
| CN105799480A (en) * | 2014-12-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | Multi-axle distributed driving pure electric vehicle seriation platform |
| CN106976368A (en) * | 2017-05-15 | 2017-07-25 | 厦门金龙联合汽车工业有限公司 | A kind of achievable independent suspension frame unit for turning to driving function |
| CN112622604A (en) * | 2020-12-30 | 2021-04-09 | 徐工集团工程机械股份有限公司 | Device and method for improving steering performance of four-wheel independent drive wheel carrier adjustable vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799491A (en) * | 2014-12-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | New energy automobile double-motor drive axle |
| CN105799480A (en) * | 2014-12-31 | 2016-07-27 | 长春孔辉汽车科技股份有限公司 | Multi-axle distributed driving pure electric vehicle seriation platform |
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| CN106976368A (en) * | 2017-05-15 | 2017-07-25 | 厦门金龙联合汽车工业有限公司 | A kind of achievable independent suspension frame unit for turning to driving function |
| CN112622604A (en) * | 2020-12-30 | 2021-04-09 | 徐工集团工程机械股份有限公司 | Device and method for improving steering performance of four-wheel independent drive wheel carrier adjustable vehicle |
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Owner name: ZHONGZHI NEW ENERGY AUTOMOBILE CO., LTD. Free format text: FORMER OWNER: CHENGDU XUTENG LANQU TECHNOLOGY CO., LTD. Effective date: 20150105 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150105 Address after: 610000, Sichuan, Chengdu economic and Technological Development Zone (Longquanyi District) car No. five, 137 East Road Applicant after: ZHONGZHI NEW ENERGY AUTOMOBILE CO., LTD. Address before: 610000, Sichuan, Chengdu economic and Technological Development Zone (Longquanyi District) car No. five, 137 East Road Applicant before: CHENGDU XUTENG BLUEMOTION TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |
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| RJ01 | Rejection of invention patent application after publication |