CN103192702A - Integrated drive power assembly and drive axle assembly for electric vehicles - Google Patents
Integrated drive power assembly and drive axle assembly for electric vehicles Download PDFInfo
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- CN103192702A CN103192702A CN2013101447234A CN201310144723A CN103192702A CN 103192702 A CN103192702 A CN 103192702A CN 2013101447234 A CN2013101447234 A CN 2013101447234A CN 201310144723 A CN201310144723 A CN 201310144723A CN 103192702 A CN103192702 A CN 103192702A
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Abstract
The invention provides an integrated drive power assembly and a drive axle assembly for electric vehicles. The integrated drive power assembly for electric vehicles is technically characterized in that a motor and a differential are coaxial, the motor, the differential and a drive system are integrated creatively, a motor output shaft directly transmits power to the differential and finally to wheels through the drive system and gears, and a vehicle is driven to run. The drive axle assembly is formed by connecting hub assemblies to two ends of the integrated drive power assembly for electric vehicles. The drive means lowers energy consumption, decreases resonance and increases safety. The motor, the drive system and the differential are integrated, so that the size is reduced and the noise is also reduced. The integrated drive power assembly for electric vehicles is further characterized in that an auxiliary support for the drive structure from the motor to the differential is provided, so that the drive system can operate stably.
Description
Technical field
The present invention relates to a kind of battery-driven car core power drive system, relate to the integrated driving dynamic assembly of electric vehicle and drive axle assembly, belong to the drive system technical field of electric car special use.
Background technology
At present, the drive system of existing battery-driven car is electrical motor to be connected on the transmission shaft be connected on the drive axle by drop-gear box again, is easy to generate like this that noise is big, efficient is low, and resonance is arranged, shortcoming such as capacity usage ratio is low.
Summary of the invention
The present invention proposes the integrated driving dynamic assembly of electric vehicle and drive axle assembly, has that volume is little, noise is little, efficient is high, resonance is little, moment of torsion is big, starting soon, more energy-conservation characteristics, it is big to have solved in the existing drive system of electric motor vehicle noise, efficient is low, resonance, the weakness that structure is huge.
For this reason, the present invention is achieved through the following technical solutions.
Technical scheme one:
The integrated driving dynamic assembly of electric vehicle comprises diff, casing, motor, it is characterized in that:
Be provided with differential casing backup bearing chamber in the casing, diff is supported on the differential casing backup bearing chamber by the diff backup bearing; Motor is fixedly connected on the inner of casing, and the output shaft of motor is hollow shaft, and butt flange is connected the outer end of motor; The casing protecting cover is connected the outer end of casing, passes through casing protecting cover bearings between the endoporus of differential casing and casing protecting cover; Semi-minor axis passes the endoporus of casing protecting cover, and semi-minor axis is inner to be connected with diff, and major semiaxis passes the endoporus of butt flange, the output shaft of motor, and major semiaxis is inner to be connected with diff;
Between casing and motor, be provided with fixed support, be uniformly distributed along the circumference on the fixed support and be provided with a plurality of pivot shafts, be connected with stepped gear on the pivot shaft, the cylindrical of motor tooth cover by bearings in support bracket fastened endoporus, the endoporus of motor tooth cover is by spline pair and motor output shaft engagement, and the external gear of motor tooth cover and the bull wheel of stepped gear mesh; An internally toothed annulus is fixedly connected on the housing of diff, the steamboat of stepped gear and internally toothed annulus engagement;
Motor is given diff transmission of power by motor tooth cover, stepped gear, internally toothed annulus successively.
Technical scheme two:
The drive axle assembly, it is characterized in that: connect Hub assembly at the integrated driving dynamic assembly of technical scheme one described electric vehicle two ends and constitute, be specially: the casing protecting cover of the integrated driving dynamic assembly of electric vehicle and the outside of butt flange are connected with Hub assembly respectively.
Further restriction to the drive axle assembly: casing protecting cover and second butt flange are provided with the steel spring carriage.
Beneficial effect: the coaxial motor that arranges of the integrated driving dynamic assembly of electric vehicle of the present invention, diff, innovation the drive mechanism integral structure between motor, diff, motor and the diff is arranged, have that noise is little, efficient is high, resonance is little, moment of torsion is big, starting soon, more energy-conservation characteristics.Motor-car of the present invention is with the trinity formula structure that integrated driving dynamic assembly adopts, and also is convenient to safeguard (when more gear changing or diff, only need motor and casing are split, replacing gets final product then).Adopt the drive axle assembly of the integrated driving dynamic assembly of electric vehicle, also have above advantage.
The present invention is of many uses in the field of battery-driven car, and big or small battery-driven car model all can be general, can arbitrarily be retrofitted on the battery-driven car of various models.
Description of drawings
Fig. 1 is the structural representation of the integrated driving dynamic assembly of electric vehicle among the present invention.
Fig. 2 is the structural representation of drive axle assembly among the present invention.
Shown in the figure: 1; the casing protecting cover, 2; casing, 3; differential casing backup bearing chamber; 4; nylon spacer, 5 connect support, 6; bolster; 7; the bull wheel of stepped gear, 8; the steamboat of stepped gear, 9; the red copper pad; 10; cone pulley protection connecting panel, 11; internally toothed annulus, 12; the bearing chamber protecting cover; 13; the diff backup bearing, 14; differential casing, 15; diff; 16; casing protecting cover bearing, 17; bearing, 18; motor tooth cover; 19; motor output shaft; 20; the bearing chamber fixed orifice, 21; major semiaxis, 22; semi-minor axis; 23; motor; 24; butt flange, 25; Hub assembly, 26; compressed air brake cylinder.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, it is as follows to further describe the present invention.
The integrated driving dynamic assembly of electric vehicle as shown in Figure 1 comprises diff, casing 2, motor 24;
Be provided with differential casing backup bearing chamber 3 in the casing, the side of differential casing backup bearing chamber 3 is provided with bearing chamber protecting cover 12, is provided with bearing chamber fixed orifice 20 in the casing, and diff is supported on the differential casing backup bearing chamber 3 by diff backup bearing 13; Motor 23 is fixedly connected on the inner of casing 2, and the output shaft 19 of motor is hollow shaft, and butt flange 24 is connected the outer end of motor 23; Casing protecting cover 1 is connected the outer end of casing 2, supports by casing protecting cover bearing 16 between the endoporus of differential casing and casing protecting cover; Semi-minor axis 22 passes the endoporus of casing protecting cover, and semi-minor axis 22 the inners are connected with diff, and major semiaxis 21 passes endoporus, the motor output shaft of butt flange, and major semiaxis is inner to be connected with diff;
Between casing and motor, be provided with fixed support 5, be uniformly distributed along the circumference on the fixed support 5 and be provided with a plurality of pivot shafts 6, be connected with stepped gear on the pivot shaft 6, the cylindrical of motor tooth cover 18 by bearings in support bracket fastened 5 endoporus, the endoporus of motor tooth cover 18 is by spline pair and motor output shaft 19 engagements, and the external gear of motor tooth cover 18 and the bull wheel of stepped gear 7 mesh; An internally toothed annulus 11 is fixedly connected on the housing 14 of diff, the steamboat 8 of stepped gear and internally toothed annulus 11 engagements;
Motor 24 is given diff 15 transmission of power by motor tooth cover 18, stepped gear, internally toothed annulus 11 successively.
As shown in Figure 1, stepped gear is provided with nylon spacer 4 and is connected with being connected between the support.
As shown in Figure 1, stepped gear protection connecting panel 10 is through on the cone pulley pivot shaft 6, and stepped gear protection connecting panel 10 separates by red copper pad 9 with the steamboat 9 of stepped gear, and stepped gear protection connecting panel 10 endoporus are supported on the differential casing 14 by bearing 17.Such structure can provide supplemental support for the pivot shaft of stepped gear, makes not yielding, the distortion, loosening of pivot shaft, makes work more steady, improves the life-span, further reduces noise.
The principle of work of the integrated driving dynamic assembly of electric vehicle: when 18 motions of driven by motor motor tooth cover, drive bull wheel 7, the steamboat 8 of cone pulley and the rotation of internally toothed annulus 11 of cone pulley, power is passed to diff, semi-minor axis and 23 major semiaxis 21 are rotated, drive wheel then, finally drive travelling of car.
Drive axle assembly as shown in Figure 2, be to connect Hub assembly to constitute at the integrated driving dynamic assembly of electric vehicle shown in Figure 1 two ends, be specially: the casing protecting cover 1 of the integrated driving dynamic assembly of electric vehicle and the outside of butt flange 24 are connected with Hub assembly 25 respectively.
Shown in Fig. 2, label 26 is compressed air brake cylinders, and it is the parts of drg in the Hub assembly.
Claims (3)
1. the integrated driving dynamic assembly of electric vehicle comprises diff, casing, motor, it is characterized in that:
Be provided with differential casing backup bearing chamber in the casing, diff is supported on the differential casing backup bearing chamber by the diff backup bearing; Motor is fixedly connected on the inner of casing, and the output shaft of motor is hollow shaft, and butt flange is connected the outer end of motor; The casing protecting cover is connected the outer end of casing, passes through casing protecting cover bearings between the endoporus of differential casing and casing protecting cover; Semi-minor axis passes the endoporus of casing protecting cover, and semi-minor axis is inner to be connected with diff, and major semiaxis passes the endoporus of butt flange, the output shaft of motor, and major semiaxis is inner to be connected with diff;
Between casing and motor, be provided with fixed support, be uniformly distributed along the circumference on the fixed support and be provided with a plurality of pivot shafts, be connected with stepped gear on the pivot shaft, the cylindrical of motor tooth cover by bearings in support bracket fastened endoporus, the endoporus of motor tooth cover is by spline pair and motor output shaft engagement, and the external gear of motor tooth cover and the bull wheel of stepped gear mesh; An internally toothed annulus is fixedly connected on the housing of diff, the steamboat of stepped gear and internally toothed annulus engagement;
Motor is given diff transmission of power by motor tooth cover, stepped gear, internally toothed annulus successively.
2. the integrated driving dynamic assembly of electric vehicle according to claim 1; it is characterized in that: stepped gear protection connecting panel (10) is through on the cone pulley pivot shaft (6); stepped gear protection connecting panel (10) separates by red copper pad (9) with the steamboat (9) of stepped gear, and stepped gear protection connecting panel (10) endoporus is supported on the differential casing (14) by bearing (17).
3. drive axle assembly, it is characterized in that: connect the Hub assembly formation in claim 1 or the integrated driving dynamic assembly of 2 described electric vehicles two ends, be specially: the casing protecting cover of the integrated driving dynamic assembly of electric vehicle and the outside of butt flange are connected with Hub assembly respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101447234A CN103192702A (en) | 2013-04-24 | 2013-04-24 | Integrated drive power assembly and drive axle assembly for electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101447234A CN103192702A (en) | 2013-04-24 | 2013-04-24 | Integrated drive power assembly and drive axle assembly for electric vehicles |
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| Publication Number | Publication Date |
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| CN103192702A true CN103192702A (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101447234A Pending CN103192702A (en) | 2013-04-24 | 2013-04-24 | Integrated drive power assembly and drive axle assembly for electric vehicles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274459A (en) * | 2016-08-31 | 2017-01-04 | 成都雅骏新能源汽车科技股份有限公司 | A kind of integrated electric drive axle |
| CN106985614A (en) * | 2017-04-18 | 2017-07-28 | 广州市新域动力技术有限公司 | The pure electric drive axle of the coaxial integrated double speed of dry pan formula |
| CN108217539A (en) * | 2018-01-30 | 2018-06-29 | 杨章明 | A kind of fork truck power bridge |
| CN112722544A (en) * | 2020-12-25 | 2021-04-30 | 中车永济电机有限公司 | A conveyer for joining in marriage locomotive traction motor of dress gear box |
Citations (5)
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|---|---|---|---|---|
| CN2276904Y (en) * | 1996-07-08 | 1998-03-25 | 机械工业部桂林电器科学研究所 | Decelerating driving gear of electric booster vehicle |
| WO2002072376A1 (en) * | 2001-03-14 | 2002-09-19 | New Venture Gear, Inc. | Drive axle for hybrid vehicle |
| CN201769684U (en) * | 2010-08-06 | 2011-03-23 | 杜文达 | Brushless motor driving axle |
| CN102328585A (en) * | 2011-10-25 | 2012-01-25 | 烟台舒驰客车有限责任公司 | Power machine assembly used for electric vehicle |
| CN203237038U (en) * | 2013-04-24 | 2013-10-16 | 十堰鸿孝电动车桥有限公司 | Integrated drive power assembly and drive bridge assembly for electric car |
-
2013
- 2013-04-24 CN CN2013101447234A patent/CN103192702A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276904Y (en) * | 1996-07-08 | 1998-03-25 | 机械工业部桂林电器科学研究所 | Decelerating driving gear of electric booster vehicle |
| WO2002072376A1 (en) * | 2001-03-14 | 2002-09-19 | New Venture Gear, Inc. | Drive axle for hybrid vehicle |
| CN201769684U (en) * | 2010-08-06 | 2011-03-23 | 杜文达 | Brushless motor driving axle |
| CN102328585A (en) * | 2011-10-25 | 2012-01-25 | 烟台舒驰客车有限责任公司 | Power machine assembly used for electric vehicle |
| CN203237038U (en) * | 2013-04-24 | 2013-10-16 | 十堰鸿孝电动车桥有限公司 | Integrated drive power assembly and drive bridge assembly for electric car |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274459A (en) * | 2016-08-31 | 2017-01-04 | 成都雅骏新能源汽车科技股份有限公司 | A kind of integrated electric drive axle |
| CN106985614A (en) * | 2017-04-18 | 2017-07-28 | 广州市新域动力技术有限公司 | The pure electric drive axle of the coaxial integrated double speed of dry pan formula |
| CN106985614B (en) * | 2017-04-18 | 2018-03-13 | 广州市新域动力技术有限公司 | The pure electric drive axle of the coaxial integrated double speed of dry pan formula |
| CN108217539A (en) * | 2018-01-30 | 2018-06-29 | 杨章明 | A kind of fork truck power bridge |
| CN112722544A (en) * | 2020-12-25 | 2021-04-30 | 中车永济电机有限公司 | A conveyer for joining in marriage locomotive traction motor of dress gear box |
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Application publication date: 20130710 |
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| RJ01 | Rejection of invention patent application after publication |