CN103692856A - Axle for all-electric passenger vehicles - Google Patents
Axle for all-electric passenger vehicles Download PDFInfo
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- CN103692856A CN103692856A CN201310742197.1A CN201310742197A CN103692856A CN 103692856 A CN103692856 A CN 103692856A CN 201310742197 A CN201310742197 A CN 201310742197A CN 103692856 A CN103692856 A CN 103692856A
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- wheel
- housing
- axle
- reductor
- sun wheel
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Abstract
The invention relates to an axle for all-electric passenger vehicles. The axle comprises a left axle housing, a left half axle, a motor, a reducer, a differential, a right half axle, and a right axle housing, wherein the parts are coaxial. The right side of the left axle housing is connected with the left side of a housing of the motor. The right side of the housing of the motor is connected with the left side of a housing of the reducer. The reducer and the differential share a housing. The right side of the housing of the reducer is connected with the left side of the right axle housing. The left half axle penetrates the left axle housing, and the right half axle penetrates the right axle housing. A spindle of the motor is a hollow shaft. The left half axle penetrates the spindle of the motor. The left end of the left half axle is connected with a left wheel. The right end of the right half axle is connected with a right wheel. The drive motor, the reducer and the differential in the all-electric passenger vehicle are integrated inside the axle housing and coaxially designed, so that load on the axle of the all-electric passenger vehicle distributes evenly, the weight of the axle is lighter, transmission efficiency is higher, and the service lives of the axle housing and gears in the all-electric passenger vehicle are effectively guaranteed.
Description
technical field:
The present invention relates to the parts technical field of pure electric coach, be specifically related to a kind of pure electric coach vehicle bridge.
background technology:
As shown in Figure 1, existing most of pure electric coach adopts electric-machine directly-driven mode, removes the fuel engines of fuel oil passenger vehicle, drive motor 101 is installed on to the position of the driving engine of fuel oil passenger vehicle, by traditional drive path, realizes the driving to vehicle.That is, drive motor 101 passes to change speed gear box 102, transmission shaft 103, vehicle bridge main gear reducer 104, diff 105, semiaxis 106 successively by power, and last transmission of power is to wheel 107, thereby realizes Vehicle Driving Cycle.
As shown in Figure 2 and Figure 3, along with the development of pure electric coach electric drive technology, pure electric coach progressively adopts electric axle drive form, has cancelled change speed gear box and the transmission shaft of fuel oil passenger vehicle, drive motor 201 is installed in vehicle bridge, by the drive path of simplifying, realizes the driving to vehicle.; drive motor 201 passes to vehicle bridge main gear reducer 202, diff 203, semiaxis 204 and wheel 205 successively by power; wheel drives pure electric coach to travel; this form has been simplified driver for vehicle structure, improved drive system efficiency, but there are the following problems: motor hangs long; because of motor quality large; cause the serious unbalance loading of vehicle bridge, under live load operating mode, have a strong impact on axle shell and gear life, do not meet vehicle designing requirement.
summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of pure electric coach vehicle bridge, it is that the drive motor of pure electric coach, reductor and diff are integrated in axle housing, and drive motor reductor and diff and axle housing coaxial design, thus pure electric coach axle weight is evenly distributed, and weight is lighter, driving efficiency is higher, thereby actv. guarantees the service life of electrobus axle shell and gear.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of pure electric coach vehicle bridge, wherein: the left axle housing that comprises coaxial setting, left half axle, motor, reductor, diff, right axle shaft and right axle housing, left axle housing right side is connected with the housing left side of motor, the housing right side of motor is connected with the housing of reductor left side, reductor and diff common housing, the housing right side of reductor is connected with right axle housing left side, left half axle is installed in left axle housing, right axle shaft is installed in right axle housing, the main shaft of described motor is hollow shaft, left half axle passes in the main shaft of motor, left half axle left end is connected with left wheel, right axle shaft right-hand member is connected with right wheel.
Technical scheme of the present invention can also be achieved in that described reductor comprises the reductor sun wheel in the housing that is arranged on reductor, major planets wheel, tooth bar, planetary wheel carrier and asteroid wheel, reductor sun wheel is arranged on the main shaft of motor, reductor sun wheel and major planets wheel are intermeshing, major planets wheel is arranged on planetary wheel carrier, planetary wheel carrier left side is connected by bearing with the housing of motor, planetary wheel carrier right side is connected by bearing with right axle housing, on planetary wheel carrier, be provided with asteroid wheel, minor planet wheel and rack is intermeshing, tooth bar is fixed in the inner walls of reductor.
Technical scheme of the present invention can also be achieved in that described diff is commutating tooth diff, comprise the large commutating tooth sun wheel in the housing that is arranged on reductor, little commutating tooth sun wheel, the first row star-wheel and the second satellite gear, large commutating tooth sun wheel is connected by bearing with left half axle, little commutating tooth sun wheel is connected by bearing with right axle shaft, large commutating tooth sun wheel and the first row star-wheel are intermeshing, little commutating tooth sun wheel and the second satellite gear are intermeshing, the first row star-wheel and the second satellite gear are intermeshing, the first row star-wheel and the second satellite gear are connected by bearing with planetary wheel carrier respectively, large commutating tooth sun wheel, little commutating tooth sun wheel, the first row star-wheel and the second satellite gear are spur-gear wheel.
Technical scheme of the present invention can also be achieved in that the housing of described motor is connected by flange respectively with the housing of left axle housing, motor and the housing of reductor.
Technical scheme of the present invention can also be achieved in that the housing of described reductor is connected by flange with right axle housing.
Technical scheme of the present invention can also be achieved in that described diff is helical teeth diff, comprise the large helical teeth sun wheel in the housing that is arranged on reductor, little helical teeth sun wheel and the third line star-wheel, large helical teeth sun wheel is connected by bearing with left half axle, little helical teeth sun wheel is connected by bearing with right axle shaft, the third line star-wheel and large helical teeth sun wheel and the engagement of little helical teeth sun wheel, the third line star-wheel is connected by bearing with planetary wheel carrier, and large helical teeth sun wheel, little helical teeth sun wheel and the third line star-wheel are angular gear.
Beneficial effect of the present invention is:
1, the present invention is integrated into the drive motor of pure electric coach, reductor and diff in axle housing, and drive motor, reductor and diff and axle housing coaxial design, thereby pure electric coach axle weight is evenly distributed, weight is lighter, driving efficiency is higher, thereby actv. guarantees the service life of electrobus axle shell and gear.
2, the present invention is simple and compact for structure, easy to use, cost is low, can actv. solve the load skewness of existing pure electric coach vehicle bridge, and the problems such as vehicle bridge unbalance loading can actv. guarantee service life and the bus driving safety of passenger vehicle vehicle bridge.
accompanying drawing explanation:
Fig. 1 is a kind of structural representation of existing pure electric coach vehicle bridge;
Fig. 2 is another structural representation of existing pure electric coach vehicle bridge;
Fig. 3 is the another kind of structural representation of existing pure electric coach vehicle bridge;
Fig. 4 is a kind of structural representation of the present invention;
Fig. 5 is another structural representation of the present invention.
the specific embodiment:
Below in conjunction with drawings and Examples, the present invention is described in further detail.
embodiment mono-:
As shown in Figure 4, a kind of pure electric coach vehicle bridge, the left axle housing 1 that comprises coaxial setting, left half axle 2, motor 3, reductor 4, diff 5, right axle shaft 6 and right axle housing 7, left axle housing 1 right side passes on left flange with the housing 16 of motor 3 and is connected, housing 16 right sides of motor 3 pass on left flange with the housing 17 of reductor 4 and are connected, reductor 4 and diff 5 common housings, housing 17 right sides of reductor 4 pass on left flange with right axle housing 7 and are connected, left half axle 2 is installed in left axle housing 1, right axle shaft 6 is installed in right axle housing 7, described motor 3 main shafts 10 are hollow shaft, left half axle 2 passes in motor 3 main shafts 10, left half axle 2 left ends are connected with left wheel 8, right axle shaft 6 right-hand members are connected with right wheel 9.Described reductor 4 comprises the reductor sun wheel 11 in the housing 17 that is arranged on reductor 4, major planets wheel 12, tooth bar 13, planetary wheel carrier 14 and asteroid wheel 15, reductor sun wheel 11 is arranged on motor 3 main shafts 10, it is 12 intermeshing that reductor sun wheel 11 and major planets are taken turns, major planets wheel 12 is arranged on planetary wheel carrier 14, planetary wheel carrier 14 left sides are connected by bearing with the housing 16 of motor 3, planetary wheel carrier 14 right sides are connected by bearing with right axle housing 7, on planetary wheel carrier 14, be provided with asteroid wheel 15, asteroid wheel 15 is intermeshing with tooth bar 13, tooth bar 13 is fixed on housing 17 inwalls of reductor 4.Described diff 5 is commutating tooth diff 5, comprise the large commutating tooth sun wheel 18 in the housing 17 that is arranged on reductor 4, little commutating tooth sun wheel 19, the first row star-wheel 20 and the second satellite gear 21, large commutating tooth sun wheel 18 is connected by bearing with left half axle 2, little commutating tooth sun wheel 19 is connected by bearing with right axle shaft 6, large commutating tooth sun wheel 18 is intermeshing with the first row star-wheel 20, little commutating tooth sun wheel 19 and the second satellite gear 21 are intermeshing, the first row star-wheel 20 and the second satellite gear 21 are intermeshing, the first row star-wheel 20 and the second satellite gear 21 are connected by bearing with planetary wheel carrier 14 respectively, large commutating tooth sun wheel 18, little commutating tooth sun wheel 19, the first row star-wheel 20 and the second satellite gear 21 are spur-gear wheel.
embodiment bis-:
As shown in Figure 5, repeat embodiment mono-, there is following difference, described diff 5 is helical teeth diff 5, comprise the large helical teeth sun wheel 22 in the housing 17 that is arranged on reductor 4, little helical teeth sun wheel 23 and the third line star-wheel 24, large helical teeth sun wheel 22 is connected by bearing with left half axle 2, little helical teeth sun wheel 23 is connected by bearing with right axle shaft 6, the third line star-wheel 24 and large helical teeth sun wheel 22 and 23 engagements of little helical teeth sun wheel, the third line star-wheel 24 is connected by bearing with planetary wheel carrier 14, large helical teeth sun wheel 22, little helical teeth sun wheel 23 and the third line star-wheel 24 are angular gear.
Be noted that, above-described embodiment is to the explanation of technical solution of the present invention and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solution of the present invention, within all should being included in interest field of the presently claimed invention.
Claims (6)
1. a pure electric coach vehicle bridge, it is characterized in that: the left axle housing (1) that comprises coaxial setting, left half axle (2), motor (3), reductor (4), diff (5), right axle shaft (6) and right axle housing (7), left axle housing (1) right side is connected with housing (16) left side of motor (3), housing (16) right side of motor (3) is connected with the housing (17) of reductor (4) left side, reductor (4) and diff (5) common housing, housing (17) right side of reductor (4) is connected with right axle housing (7) left side, left half axle (2) is installed in left axle housing (1), right axle shaft (6) is installed in right axle housing (7), the main shaft (10) of described motor (3) is hollow shaft, left half axle (2) passes in the main shaft (10) of motor (3), left half axle (2) left end is connected with left wheel (8), right axle shaft (6) right-hand member is connected with right wheel (9).
2. pure electric coach vehicle bridge according to claim 1, it is characterized in that: described reductor (4) comprises the reductor sun wheel (11) in the housing (17) that is arranged on reductor (4), major planets wheel (12), tooth bar (13), planetary wheel carrier (14) and asteroid wheel (15), reductor sun wheel (11) is arranged on the main shaft (10) of motor (3), reductor sun wheel (11) is intermeshing with major planets wheel (12), major planets wheel (12) is arranged on planetary wheel carrier (14), planetary wheel carrier (14) left side is connected by bearing with motor (3) housing, planetary wheel carrier (14) right side is connected by bearing with right axle housing (7), on planetary wheel carrier (14), be provided with asteroid wheel (15), asteroid wheel (15) is intermeshing with tooth bar (13), tooth bar (13) is fixed on housing (17) inwall of reductor (4).
3. pure electric coach vehicle bridge according to claim 1, it is characterized in that: described diff (5) is commutating tooth diff, comprise the large commutating tooth sun wheel (18) in the housing (17) that is arranged on reductor (4), little commutating tooth sun wheel (19), the first row star-wheel (20) and the second satellite gear (21), large commutating tooth sun wheel (18) is connected by bearing with left half axle (2), little commutating tooth sun wheel (19) is connected by bearing with right axle shaft (6), large commutating tooth sun wheel (18) is intermeshing with the first row star-wheel (20), little commutating tooth sun wheel (19) is intermeshing with the second satellite gear (21), the first row star-wheel (20) is intermeshing with the second satellite gear (21), the first row star-wheel (20) and the second satellite gear (21) are connected by bearing with planetary wheel carrier (14) respectively, large commutating tooth sun wheel (18), little commutating tooth sun wheel (19), the first row star-wheel (20) and the second satellite gear (21) are spur-gear wheel.
4. pure electric coach vehicle bridge according to claim 1, is characterized in that: the housing (16) of described motor (3) is connected by flange respectively with the housing (16) of left axle housing (1), motor (3) and the housing (17) of reductor (4).
5. pure electric coach vehicle bridge according to claim 1, is characterized in that: the housing (17) of described reductor (4) is connected by flange with right axle housing (7).
6. pure electric coach vehicle bridge according to claim 1, it is characterized in that: described diff (5) is helical teeth diff, comprise the large helical teeth sun wheel (22) in the housing (17) that is arranged on reductor (4), little helical teeth sun wheel (23) and the third line star-wheel (24), large helical teeth sun wheel (22) is connected by bearing with left half axle (2), little helical teeth sun wheel (23) is connected by bearing with right axle shaft (6), the third line star-wheel (24) and large helical teeth sun wheel (22) and little helical teeth sun wheel (23) engagement, the third line star-wheel (24) is connected by bearing with planetary wheel carrier (14), large helical teeth sun wheel (22), little helical teeth sun wheel (23) and the third line star-wheel (24) are angular gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742197.1A CN103692856A (en) | 2013-12-30 | 2013-12-30 | Axle for all-electric passenger vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742197.1A CN103692856A (en) | 2013-12-30 | 2013-12-30 | Axle for all-electric passenger vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103692856A true CN103692856A (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310742197.1A Pending CN103692856A (en) | 2013-12-30 | 2013-12-30 | Axle for all-electric passenger vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103692856A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853771A (en) * | 2016-12-27 | 2017-06-16 | 苏州大方特种车股份有限公司 | Electric drive vehicle bridge and framework transport vehicle |
| CN107264253A (en) * | 2016-04-08 | 2017-10-20 | 比亚迪股份有限公司 | Electronic dregs transportation motor vehicle drive system and electronic dregs transportation car |
| CN108351010A (en) * | 2015-11-24 | 2018-07-31 | 舍弗勒技术股份两合公司 | driving device for motor vehicle |
| CN108569137A (en) * | 2017-03-10 | 2018-09-25 | 阿文美驰技术有限责任公司 | Vehicle bridge component and assemble method with driving pinion spring bearing |
| CN108621771A (en) * | 2017-03-17 | 2018-10-09 | 东风德纳车桥有限公司 | A kind of Truck Electric axle assembly |
| WO2019172402A1 (en) * | 2018-03-09 | 2019-09-12 | トヨタ自動車株式会社 | Axle structure |
| CN112937273A (en) * | 2019-12-10 | 2021-06-11 | 中车时代电动汽车股份有限公司 | Electrically driven axle assembly device |
| WO2023159917A1 (en) * | 2022-02-23 | 2023-08-31 | 浙江吉利控股集团有限公司 | Planetary-gear-set-type transmission and vehicle |
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| US20030177859A1 (en) * | 2002-03-20 | 2003-09-25 | Spicer Technology, Inc. | Rigid drive axle assembly for motor vehicles |
| CN200995607Y (en) * | 2007-01-22 | 2007-12-26 | 张培法 | Electric-car bridge integrated with motor gearbox |
| CN201833862U (en) * | 2010-04-28 | 2011-05-18 | 江苏宗申三轮摩托车制造有限公司 | Connection structure between motor and rear driving axle of electric motor car |
| WO2012123175A1 (en) * | 2011-03-16 | 2012-09-20 | Zf Friedrichshafen Ag | Drive device for driving a wheel for an electrically powered vehicle |
| CN103029577A (en) * | 2012-12-28 | 2013-04-10 | 辽宁曙光汽车集团股份有限公司 | Coaxial direct-connection type drive axle assembly of electric automobile |
| CN203237019U (en) * | 2013-04-16 | 2013-10-16 | 江苏奥新新能源汽车有限公司 | Axle for electric vehicle |
| CN203666270U (en) * | 2013-12-30 | 2014-06-25 | 郑州精益达汽车零部件有限公司 | Axle for pure electric bus |
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2013
- 2013-12-30 CN CN201310742197.1A patent/CN103692856A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030177859A1 (en) * | 2002-03-20 | 2003-09-25 | Spicer Technology, Inc. | Rigid drive axle assembly for motor vehicles |
| CN200995607Y (en) * | 2007-01-22 | 2007-12-26 | 张培法 | Electric-car bridge integrated with motor gearbox |
| CN201833862U (en) * | 2010-04-28 | 2011-05-18 | 江苏宗申三轮摩托车制造有限公司 | Connection structure between motor and rear driving axle of electric motor car |
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| CN203666270U (en) * | 2013-12-30 | 2014-06-25 | 郑州精益达汽车零部件有限公司 | Axle for pure electric bus |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351010A (en) * | 2015-11-24 | 2018-07-31 | 舍弗勒技术股份两合公司 | driving device for motor vehicle |
| CN107264253A (en) * | 2016-04-08 | 2017-10-20 | 比亚迪股份有限公司 | Electronic dregs transportation motor vehicle drive system and electronic dregs transportation car |
| CN106853771A (en) * | 2016-12-27 | 2017-06-16 | 苏州大方特种车股份有限公司 | Electric drive vehicle bridge and framework transport vehicle |
| CN108569137A (en) * | 2017-03-10 | 2018-09-25 | 阿文美驰技术有限责任公司 | Vehicle bridge component and assemble method with driving pinion spring bearing |
| CN108621771A (en) * | 2017-03-17 | 2018-10-09 | 东风德纳车桥有限公司 | A kind of Truck Electric axle assembly |
| WO2019172402A1 (en) * | 2018-03-09 | 2019-09-12 | トヨタ自動車株式会社 | Axle structure |
| JPWO2019172402A1 (en) * | 2018-03-09 | 2020-12-10 | トヨタ自動車株式会社 | Axle structure |
| JP7006768B2 (en) | 2018-03-09 | 2022-01-24 | トヨタ自動車株式会社 | Axle structure |
| US11840115B2 (en) | 2018-03-09 | 2023-12-12 | Toyota Jidosha Kabushiki Kaisha | Axle structure |
| CN112937273A (en) * | 2019-12-10 | 2021-06-11 | 中车时代电动汽车股份有限公司 | Electrically driven axle assembly device |
| CN112937273B (en) * | 2019-12-10 | 2023-01-20 | 中车时代电动汽车股份有限公司 | Electric drive axle assembly device |
| WO2023159917A1 (en) * | 2022-02-23 | 2023-08-31 | 浙江吉利控股集团有限公司 | Planetary-gear-set-type transmission and vehicle |
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Application publication date: 20140402 |