CN104149611B - A kind of electric bus of four bridge list tire carryings - Google Patents
A kind of electric bus of four bridge list tire carryings Download PDFInfo
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- CN104149611B CN104149611B CN201410388484.1A CN201410388484A CN104149611B CN 104149611 B CN104149611 B CN 104149611B CN 201410388484 A CN201410388484 A CN 201410388484A CN 104149611 B CN104149611 B CN 104149611B
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- steeraxle
- drive axle
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Abstract
The invention discloses the electric bus of a kind of four bridge list tire carryings, the steering mechanism including chassis and being fixed on chassis and drive mechanism, steering mechanism includes the first steeraxle and the second steeraxle, first steeraxle and the equal horizontally set of the second steeraxle and parallel to each other, the first steeraxle and the second steeraxle both sides are provided with steered wheel.Drive mechanism includes drive axle, power drive system and drives wheel, drive axle includes the first drive axle and the second drive axle, 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 and drive wheel and make the power drive system of driving vehicle wheel rotation.Steered wheel, driving wheel and power drive system that volume is little can be used when the present invention applies, steered wheel, driving wheel and the power drive system installation site protruding difference in height with load carrying floor of corresponding carriage bottom plate can be reduced, after projection arranges seat, also allow for occupant and take a seat and stand up.
Description
Technical field
The present invention relates to bus, the electric bus of a kind of four bridge list tire carryings.
Background technology
In recent years, energy-conserving and environment-protective are increasingly subject to people's attention, and the electronic class new forms of energy bus such as pure cell electric bus, hybrid-power bus, extended-range bus, double source trackless electric bus, trackless electric bus quickly grows because having the advantage of energy-saving and emission-reduction.The mode of the existing electronic class commonly used doube bridge of new forms of energy bus, propons is as steeraxle, back axle is as drive axle, and single bridge load is big, in order to meet bearing requirements, bigger tire need to be used, and driving system structure is limited when being used centralized driving mode by existing electronic class new forms of energy bus back axle, when railway carriage inner bottom plating uses low-floor, the railway carriage inner bottom plating position corresponding to drive axle and tire is higher, the seat position being arranged on these positions is higher, is not easy to occupant and stands up and take a seat.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, provide the electric bus of a kind of four bridge carryings, it can reduce the difference in height of railway carriage inner bottom plating boss and the load carrying floor caused because of drive axle and tire, when seat is installed at railway carriage internal projection position, also allow for occupant and take a seat and stand up.
The present invention solves the problems referred to above and is achieved through the following technical solutions: the electric bus of a kind of four bridge list tire carryings, the steering mechanism including chassis and being fixed on chassis and drive mechanism, described steering mechanism is positioned on front side of drive mechanism；Described steering mechanism includes the first steeraxle and the second steeraxle, described first steeraxle and the equal horizontally set of the second steeraxle and parallel to each other, and the first steeraxle and the second steeraxle both sides are provided with steered wheel；Described drive mechanism includes drive axle, power drive system and drives wheel, described drive axle includes the first drive axle and the second drive axle, described first drive axle and the equal horizontally set of the second drive axle and parallel to each other, first drive axle and the second drive axle left and right sides are provided with and drive wheel and make the power drive system of driving vehicle wheel rotation, and described power drive system is fixed on drive axle.The bus of the present invention can be the electronic class new forms of energy buses such as pure cell 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 correspondence respectively drives a driving wheel, power drive system is coordinated by controller in the course of the work, it is ensured that the differential requirement when rotating speed of each driving wheel is identical and turns to, thus realizes the mode that doube bridge dispersion drives.
Further, described steering mechanism also includes longitudinal tie, steering booster and intermediate draw bar, it is respectively connected with pitman arm on described first steeraxle and the second steeraxle, described longitudinal tie and intermediate draw bar are the most longitudinally disposed and be coaxially disposed, described longitudinal tie two ends connect the pitman arm on steering booster and the first steeraxle respectively, and intermediate draw bar two ends connect the pitman arm on the first steeraxle and the pitman arm on the second steeraxle respectively.So, when the present invention applies, power is reached the pitman arm connected on the first steeraxle by steering booster by vertical position bar, and under the drive of intermediate draw bar, reach the pitman arm of the second steeraxle, under the induced effect of pitman arm, first steeraxle and the second steeraxle are rotated by respective ackerman angle, it is achieved doube bridge turns to.
Further, described pitman arm includes the cross connecting plate of horizontally set and longitudinally disposed longitudinally connected plate, described longitudinally connected front edge of board is connected with cross connecting plate, described pitman arm is by being arranged on the first steeraxle or the second steeraxle through the spacer pin of cross connecting plate Yu longitudinally connected plate connecting portion, pitman arm is flexibly connected with the first steeraxle or the second steeraxle by its longitudinally connected plate rear end, and described longitudinal tie and intermediate draw bar are all connected with pitman arm by being connected to the relative other end connecting longitudinally connected plate end of cross connecting plate.During the pitman arm activity of the present invention, it can rotate around spacer pin.
In order to ensure the structural strength of pitman arm, further, cross connecting plate and the longitudinally connected plate of described pitman arm becomes one.
Further, described power drive system includes motor, wheel carrier, top link and lower swing arm, described motor is fixed on wheel carrier, described power drive system makes driving 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, rotated by power wheel when the present invention applies, and top link and lower swing arm when the present invention vibrates for power drive system is guided.
Further, described power drive system also includes the air bag being arranged on top link.So, the top link of the present invention can act on air bag when swinging, and air bag stretches and can reach the purpose that the present invention carries out vibration damping.
Further, described power drive system also includes the vibroshock that two ends are connected respectively with lower swing arm and drive axle.Present invention vibroshock when lower swing arm swings stretches, and can promote the effectiveness in vibration suppression of the present invention under the telescopic action of vibroshock further.
Further, described top link and lower swing arm all include the flexible connecting strip that two one end are connected with wheel carrier, flexible connecting strip connects relative to the other end of fifth wheel frame end bulb, and described top link and lower swing arm are all fixed on drive axle by bulb and are connected with drive axle.All by two-point locating when the top link of the present invention and lower swing arm are connected on drive axle, the amplitude of fluctuation of power drive system when the present invention applies can be reduced；The power drive system of the present invention can carry out small size horizontal hunting under the effect of bulb, is avoided that the problem that rigid connection exists structural failure.
In sum, the method have the advantages that the steering mechanism of (1) present invention includes the first steeraxle and the second steeraxle, the present invention uses the mode that doube bridge turns to, and the load that each steered wheel is born reduces, and then can reduce the volume of steered wheel；Present invention additionally comprises the first drive axle and the second drive axle, use the mode of four bridge carryings, can reduce the load of every bridge, so, less tire just can bear required load, driving wheel and the volume of steered wheel can be reduced, so, tire correspondence position railway carriage inner bottom plating height can be reduced when the present invention applies, and then the height of seat of tire correspondence position can be reduced, be easy to occupant take a seat and stand up, the most always, the upper and lower seat of personage weak, sick, residual more convenient.
(2) present invention uses two bridges as drive axle, and two bridges are as steeraxle, it is ensured that in the case of enough power output is optimal with carriage performance, it is achieved that the minimumization requirement of cost.
(3) present invention uses doube bridge to disperse electrically driven (operated) mode when applying, the power requirement of power drive system can be reduced and moment of torsion that power drive system is born, and then the volume and weight of power drive system can be reduced, so, when the present invention applies, the height of drive axle position railway carriage inner bottom plating can reduce, and then can reduce the impact on railway carriage inner bottom plating height when making the present invention apply, it is simple to seat arrangements in car.
(4) present invention uses doube bridge to turn to, doube bridge drives and the mode of four bridges carrying, the volume of steered wheel, driving wheel and power drive system all can reduce, so, the present invention is when railway carriage inner bottom plating uses low-floor, boss is the least with load carrying floor difference in height, after boss installs seat, occupant take a seat stand up convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation that in one specific embodiment of the present invention, steering mechanism and drive mechanism are connected on chassis；
Fig. 2 is the structural representation of Tu1Zhong steering mechanism；
Fig. 3 is the structural representation of drive mechanism in Fig. 1；
Fig. 4 is the structural representation of power drive system in Fig. 3.
Entitled corresponding to reference in accompanying drawing: 1, chassis, 2, steering mechanism, the 201, first steeraxle, the 202, second steeraxle, 203, longitudinal tie, 204, pitman arm, 205, steering booster, 206, intermediate draw bar, 207, steered wheel, 3, drive mechanism, 301, the first drive axle, the 302, second drive axle, 303, wheel, 304, top link, 305, vibroshock, 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 detailed description further, but embodiments of the present invention are not limited to this.
Embodiment 1:
As it is shown in figure 1, the electric bus of a kind of four bridge list tire carryings, including chassis 1, steering mechanism 2 and drive mechanism 3, wherein, steering mechanism 2 and drive mechanism 3 are each attached on chassis 1, and steering mechanism 2 is positioned on front side of drive mechanism 3.The steering mechanism 2 of the present embodiment includes the first steeraxle 201 and the second steeraxle 202, first steeraxle 201 and the second equal horizontally set of steeraxle 202 and parallel to each other, first steeraxle 201 is identical with the second steeraxle 202 level height and there is a determining deviation in the vertical, and the first steeraxle 201 and the second steeraxle 202 both sides are provided with steered wheel 207.The drive mechanism 3 of the present embodiment includes drive axle, power drive system and driving wheel 303, wherein, drive axle includes the first drive axle 301 and the second drive axle 302, first drive axle 301 and the second equal horizontally set of drive axle 302 and parallel to each other, first drive axle 301 is identical with the second drive axle 302 level height and there is a determining deviation in the vertical, both first drive axle 301 and the second drive axle 302 left and right sides is provided with the power drive system driving wheel 303 and making driving wheel 303 rotate, the first drive axle 301 both sides are driven to drive the power drive system of wheel 303 to be connected on the first drive axle 301, the second drive axle 302 both sides are driven to drive the power drive system of wheel 303 to be connected on the second drive axle 302.
Using doube bridge to turn to the mode driven with doube bridge dispersion during the present embodiment application, each driving wheel 303 is all to a power drive system should be had to be driven it.
Embodiment 2:
As shown in Figure 2, the present embodiment is made that on the basis of embodiment 1 and limits further below: the steering mechanism 2 of the present embodiment also includes longitudinal tie 203, steering booster 205 and intermediate draw bar 206, wherein, it is respectively connected with pitman arm 204 on first steeraxle 201 and the second steeraxle 202, longitudinal tie 203 and intermediate draw bar 206 are the most longitudinally disposed and be coaxially disposed, longitudinal tie 203 two ends connect the pitman arm 204 on steering booster 205 and the first steeraxle 201 respectively, intermediate draw bar 206 two ends connect the pitman arm 204 on the first steeraxle 201 and the pitman arm 204 on the second steeraxle 202 respectively.
During the present embodiment application, longitudinal tie 203 is driven to move by steering booster 205, power is reached the pitman arm 204 on the first steeraxle 201 by longitudinal tie 203, pitman arm 204 on first steeraxle 201 drives intermediate draw bar 206 to move, the pitman arm 204 on the second steeraxle 202 is driven to move by intermediate draw bar 206, under the induced effect of pitman arm 204, it is achieved the doube bridge of the first steeraxle 201 and the second steeraxle 202 turns to.
Embodiment 3:
The present embodiment is made that on the basis of embodiment 2 and limits further below: the pitman arm 204 of the present embodiment includes the cross connecting plate of horizontally set and longitudinally disposed longitudinally connected plate, wherein, longitudinally connected front edge of board is connected with cross connecting plate, and longitudinally connected plate is monolithically fabricated " L " shape with cross connecting plate after being connected.In order to provide the structural strength of pitman arm 204, in the present embodiment, cross connecting plate and the longitudinally connected plate of pitman arm 204 become one.In the present embodiment, the pitman arm 204 on the first steeraxle 201 is by being arranged on the first steeraxle 201 through the spacer pin of cross connecting plate Yu longitudinally connected plate connecting portion, and the pitman arm 204 on the second steeraxle 202 is by being arranged on the second steeraxle 202 through the spacer pin of cross connecting plate Yu longitudinally connected plate connecting portion.On first steeraxle 201, pitman arm 204 is flexibly connected with the first steeraxle 201 by its longitudinally connected plate rear end, and on the second steeraxle 202, pitman arm 204 is flexibly connected with the second steeraxle 202 by its longitudinally connected plate rear end.Longitudinal tie 203 rear end of the present embodiment relatively connects the other end of longitudinally connected plate end and is connected with pitman arm 204 by being connected to cross connecting plate, and intermediate draw bar 206 rear and front end is respectively positioned on the relative other end connecting longitudinally connected plate end of cross connecting plate with the connecting portion of two pitman arms 204.
Embodiment 4:
As shown in Figures 3 and 4, the present embodiment is made that on the basis of any one embodiment in embodiment 1～embodiment 3 and limits further below: the power drive system of the present embodiment includes 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 driving wheel 303 rotate by motor 307.The top link 304 of the present embodiment and lower swing arm 306 are connected to wheel carrier about 308 two ends, and power drive system is connected on drive axle by top link 304 and lower swing arm 306.
During the present embodiment application, single driving wheel 303 is driven by each motor 307, the moment of torsion that it bears reduces, the power requirement of motor 307 also reduces, so, the power of motor 307 can be reduced and reduce the volume of motor 307, saving the cost of motor 307, and can reach to reduce the purpose of power drive system volume.The motor 307 of the present embodiment four power drive systems in the specific implementation is coordinated by electric machine controller in motor process, the deceleration demand ensureing that the rotating speed of each driving wheel 303 is identical and turn to, it is easy to during the present embodiment application use electric machine controller to be controlled, automatically controlled low cost.
Embodiment 5:
The present embodiment is made that on the basis of embodiment 4 and limits further below: the power drive system of the present embodiment also includes air bag 309, and wherein, air bag 309 is arranged on top link 304.During the present embodiment vibration, air bag 309 stretches, and then can reach the purpose of vibration damping.
Embodiment 6:
The present embodiment is made that on the basis of embodiment 4 or embodiment 5 and limits further below: the power drive system of the present embodiment also includes vibroshock 305, vibroshock 305 one end is connected on lower swing arm 306, its other end is connected on drive axle, and the drive axle that the drive axle power drive system affiliated with it that each vibroshock 305 connects is connected is same drive axle.During the present embodiment application, if there is vibration, vibroshock 305 can stretch, and then reaches the purpose of vibration damping.
Embodiment 7:
The present embodiment is made that on the basis of any one embodiment in embodiment 4～embodiment 6 and limits further below: top link 304 and the lower swing arm 306 of the present embodiment all include the flexible connecting strip that two one end are connected with wheel carrier 308, wherein, flexibly connect strip adoption plastics to make, flexible connecting strip is relatively connected the other end of wheel carrier 308 end and connects and have bulb, top link 304 and lower swing arm 306 to be all fixed on drive axle by bulb to be connected with drive axle.The present embodiment is when power drive system carries out horizontal hunting, and under the effect of bulb, power drive system is hardly damaged with the attachment structure of drive axle.
As it has been described above, the present invention can preferably be realized.
Claims (7)
1. the electric bus of a bridge list tire carrying, it is characterised in that include chassis (1) and the steering mechanism (2) being fixed on chassis (1) and drive mechanism (3), described steering mechanism (2) is positioned at drive mechanism (3) front side；Described steering mechanism (2) includes the first steeraxle (201) and the second steeraxle (202), described first steeraxle (201) and the second steeraxle (202) all horizontally sets and parallel to each other, the first steeraxle (201) and the second steeraxle (202) both sides are provided with steered wheel (207)；Described drive mechanism (3) includes drive axle, power drive system and drives wheel (303), described drive axle includes the first drive axle (301) and the second drive axle (302), described first drive axle (301) and the second drive axle (302) all horizontally sets and parallel to each other, first drive axle (301) and both left and right sides of the second drive axle (302) are provided with the power drive system driving wheel (303) and making driving wheel (303) rotate, and described power drive system is fixed on drive axle；
Described steering mechanism (2) also includes longitudinal tie (203), steering booster (205) and intermediate draw bar (206), it is respectively connected with pitman arm (204) on described first steeraxle (201) and the second steeraxle (202), described longitudinal tie (203) and intermediate draw bar (206) are the most longitudinally disposed and be coaxially disposed, described longitudinal tie (203) two ends connect the pitman arm (204) on steering booster (205) and the first steeraxle (201) respectively, intermediate draw bar (206) two ends connect the pitman arm (204) on the first steeraxle (201) and the pitman arm (204) on the second steeraxle (202) respectively.
The electric bus of a kind of four bridge list tire carryings the most according to claim 1, it is characterized in that, described pitman arm (204) includes the cross connecting plate of horizontally set and longitudinally disposed longitudinally connected plate, described longitudinally connected front edge of board is connected with cross connecting plate, described pitman arm (204) is by being arranged on the first steeraxle (201) or the second steeraxle (202) through the spacer pin of cross connecting plate Yu longitudinally connected plate connecting portion, pitman arm (204) is flexibly connected with the first steeraxle (201) or the second steeraxle (202) by its longitudinally connected plate rear end, described longitudinal tie (203) and intermediate draw bar (206) are all connected with pitman arm (204) by being connected to the relative other end connecting longitudinally connected plate end of cross connecting plate.
The electric bus of a kind of four bridge list tire carryings the most according to claim 2, it is characterised in that cross connecting plate and the longitudinally connected plate of described pitman arm (204) become one.
4. according to the electric bus of a kind of four bridge list tire carryings described in any one in claims 1 to 3, it is characterized in that, described power drive system includes 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 driving wheel (303) rotate by motor (307), described top link (304) and lower swing arm (306) are connected to wheel carrier (308) two ends up and down, power drive system is connected on drive axle by top link (304) and lower swing arm (306).
The electric bus of a kind of four bridge list tire carryings the most according to claim 4, it is characterised in that described power drive system also includes the air bag (309) being arranged on top link (304).
The electric bus of a kind of four bridge list tire carryings the most according to claim 4, it is characterised in that described power drive system also includes the vibroshock (305) that two ends are connected respectively with lower swing arm (306) and drive axle.
The electric bus of a kind of four bridge list tire carryings the most according to claim 4, it is characterized in that, described top link (304) and lower swing arm (306) all include the flexible connecting strip that two one end are connected with wheel carrier (308), flexible connecting strip is relatively connected the other end that wheel carrier (308) holds and connects and have bulb, described top link (304) and lower swing arm (306) to be all fixed on drive axle by bulb to be connected with drive axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388484.1A CN104149611B (en) | 2014-08-08 | 2014-08-08 | A kind of electric bus of four bridge list tire carryings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388484.1A CN104149611B (en) | 2014-08-08 | 2014-08-08 | A kind of electric bus of four bridge list tire carryings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149611A CN104149611A (en) | 2014-11-19 |
| CN104149611B true CN104149611B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410388484.1A Active CN104149611B (en) | 2014-08-08 | 2014-08-08 | A kind of electric bus of four bridge list tire carryings |
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| CN (1) | CN104149611B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818672A (en) * | 2016-04-15 | 2016-08-03 | 王秀红 | Front wheel transmission systems of farmland pesticide spraying car |
| CN107791928A (en) * | 2017-11-22 | 2018-03-13 | 中国第汽车股份有限公司 | A kind of automatic guiding vehicle of container chassis |
| CN114056088B (en) * | 2021-08-05 | 2024-04-02 | 山东奥尼司特机械有限公司 | Chassis assembly with independent steering and independent driving functions |
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|---|---|---|---|---|
| CN2747129Y (en) * | 2004-12-18 | 2005-12-21 | 曹文艳 | Large coach having two group of front steering bridges |
| CN101370680A (en) * | 2006-01-23 | 2009-02-18 | 株式会社普利司通 | In-wheel motor system |
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| CN202080131U (en) * | 2011-06-02 | 2011-12-21 | 黄贤荣 | Full-time eight-wheeled driving vehicle differential transmission system |
| WO2013078819A1 (en) * | 2011-11-28 | 2013-06-06 | 湖南三一智能控制设备有限公司 | Engineering truck and driving system thereof |
| CN204055364U (en) * | 2014-08-08 | 2014-12-31 | 成都旭腾蓝驱科技有限公司 | A kind of electric bus of four bridge list tire carryings |
-
2014
- 2014-08-08 CN CN201410388484.1A patent/CN104149611B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747129Y (en) * | 2004-12-18 | 2005-12-21 | 曹文艳 | Large coach having two group of front steering bridges |
| CN101370680A (en) * | 2006-01-23 | 2009-02-18 | 株式会社普利司通 | In-wheel motor system |
| CN201198325Y (en) * | 2007-12-21 | 2009-02-25 | 一汽解放青岛汽车厂 | Double front axle automobile steering system |
| CN202080131U (en) * | 2011-06-02 | 2011-12-21 | 黄贤荣 | Full-time eight-wheeled driving vehicle differential transmission system |
| WO2013078819A1 (en) * | 2011-11-28 | 2013-06-06 | 湖南三一智能控制设备有限公司 | Engineering truck and driving system thereof |
| CN204055364U (en) * | 2014-08-08 | 2014-12-31 | 成都旭腾蓝驱科技有限公司 | A kind of electric bus of four bridge list tire carryings |
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| CN104149611A (en) | 2014-11-19 |
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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: 20150109 |
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Effective date of registration: 20170509 Address after: 610000 No. 111 Motor City Road, Chengdu economic and Technological Development Zone (Longquanyi District, Sichuan) Patentee after: Zhongzhi Yike Chengdu Automobile Co., Ltd. Address before: 610000, Sichuan, Chengdu economic and Technological Development Zone (Longquanyi District) car No. five, 137 East Road Patentee before: ZHONGZHI NEW ENERGY AUTOMOBILE CO., LTD. |
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