CN101492006A - Whole electric motor car driving bridge - Google Patents
Whole electric motor car driving bridge Download PDFInfo
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- CN101492006A CN101492006A CNA2009100196637A CN200910019663A CN101492006A CN 101492006 A CN101492006 A CN 101492006A CN A2009100196637 A CNA2009100196637 A CN A2009100196637A CN 200910019663 A CN200910019663 A CN 200910019663A CN 101492006 A CN101492006 A CN 101492006A
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Abstract
The invention discloses an integral electric vehicle driving axle, which comprises a driving box, and two semi axle devices arranged on two sides of the driving box respectively, wherein the driving box comprises a box body, a reduction gear which is arranged in the box body and is a mechanical reduction gear for parallel transmission of power, and a differential mechanism arranged in the box body and connected with the mechanical reduction gear and the semi axle devices respectively; and each semi axle device comprises a semi axle body and a semi axle sleeve which is sleeved outside the semi axle body, and one end of the semi axle sleeve is fixedly connected with the box body. The integral electric vehicle driving axle has a compact structure and smooth driving, and can effectively prevent an electric vehicle from side turning over when the electric vehicle makes a turn.
Description
Technical field
The present invention relates to the vehicle technology field, relate in particular to a kind of whole electric motor car driving bridge.
Background technology
At present, battery-driven car is as a kind of environmental protection transport facility that does not have discharging, pollution-free, low energy consumption, got people and liked widely and use.The type of drive of the battery-driven car that uses mostly is the mode that adopts back-wheel drive now, and driving device adopts chain gear mostly, be of the cooperation of the driving box of electrical motor, by the semiaxis in the drive axle power passed to two trailing wheels then, drive battery-driven car and travel by chain and sprocket wheel.But this chain-driving mode converter speed ratio is less, moves not steadily, can not well adapt to the high-speed operation of electrical motor, breaks down than being easier to.
In addition, adopt such motor drive axle, when battery-driven car when the bend in it rotating speed of foreign steamer keep identical speed, can not change with the variation of battery-driven car turn radius, than being easier to occur rollover, cause traffic accident, cause the loss of personal injury and property.
Summary of the invention
Technical matters to be solved by this invention provides a kind of whole electric motor car driving bridge, this electric motor car driving bridge compact conformation, and stable drive can effectively prevent the rollover phenomenon when battery-driven car is turned.
For solving the problems of the technologies described above, technical scheme of the present invention is: whole electric motor car driving bridge, comprise driving box, and described driving box comprises casing and is arranged on the interior speed reduction gearing of described casing; Two semi-shaft equipments, described two semi-shaft equipments are installed on the both sides of described driving box respectively; Described speed reduction gearing is the reduction gear apparatus that is used for parallel transferring power; Described driving box also comprises diff, and described diff is arranged in the described casing and is connected with semi-shaft equipment with described reduction gear apparatus respectively; Described each semi-shaft equipment comprises a semiaxis body; An axle tube, described axle tube are sheathed on described semiaxis body exterior, and an end of described axle tube is fixedly connected on the described casing.
As a kind of improvement, described reduction gear apparatus comprises input shaft, and an end of described input shaft stretches out described casing; Be arranged on the driving gear on the described input shaft; Tween drive shaft; Be installed on first intermediate gear and second intermediate gear on the described tween drive shaft, described first intermediate gear and the engagement of described driving gear; Ring gear, described ring gear and the engagement of second intermediate gear; Described diff comprises differential casing, and described differential casing is captiveed joint with described ring gear; Planetary gear device, described planetary gear device are installed on the described differential casing; Two axle side gears, described axle side gear and planetary gear device engagement, described axle side gear is connected with semiaxis body key.
As a kind of improvement, an end of described axle tube is captiveed joint with described casing is detachable.
As a kind of improvement, described casing is provided with and is used for and electrical motor bonded assembly mounting flange, and described input shaft stretches out described casing from mounting flange.
As a kind of improvement, the sidewall of described axle tube is provided with secondary connecting panel, and the end of described axle tube is provided with main connecting panel.
After having adopted technique scheme, the beneficial effect that the present invention obtains is: by speed reduction gearing is set on semi-shaft equipment, speed reduction gearing is set to the gear transmission mode of parallel transferring power, not only make the compact conformation of whole drive axle, and can make stable drive in this way, can be good at adapting to the high-speed operation of electrical motor; The mode that drive axle adopts gear reduction to cooperate with diff, simple in structure, compact, and the cooperatively interacting of wheel speed inside and outside it can realize that by diff battery-driven car is turned the time, thereby prevent the rollover phenomenon when battery-driven car is turned, avoided the generation of traffic accident, stable drive is reliable, and actv. has ensured personal safety.
In addition, by axle tube being sheathed on the outside of described semiaxis body, one end of axle tube is fixedly connected on the described casing, can makes the drive axle compact conformation in this way, and anufacturability is good, cost is low, reliable operation, maintenance adjustment are easy.
Description of drawings
Accompanying drawing is the structural representation of the embodiment of the invention;
Among the figure: 1. semiaxis body; 2. axle tube; 3. casing; 4. driving gear; 5. first intermediate gear; 6. second intermediate gear; 7. ring gear; 8. differential casing; 9. planetary gear device; 10. mounting flange; 11. left half axle gear; 12. right axle shaft gear; 13. secondary connecting panel; 14. main connecting panel; 21. input shaft; 22. tween drive shaft.
The specific embodiment
As shown in drawings, whole electric motor car driving bridge, it comprises driving box and two semi-shaft equipments.Described driving box comprises casing 3 and the speed reduction gearing and the diff that are arranged in the described casing 3, and wherein, described speed reduction gearing is the reduction gear apparatus that is used for parallel transferring power.Described diff is connected with semi-shaft equipment with described reduction gear apparatus respectively, can be with transmission of power to semi-shaft equipment by diff.
Described two semi-shaft equipments are installed on the both sides of described driving box respectively, each semi-shaft equipment comprises that a semiaxis body 1 and one are sheathed on described semiaxis body 1 exterior axle tube 2, one end of axle tube 2 is fixedly connected on the described casing 3 by detouchable connection modes such as bolts, this drive axle simple in structure, anufacturability good, cost is low, reliable operation, maintenance adjustment are easy.
Above-mentioned reduction gear apparatus comprises input shaft 21, and an end of input shaft 21 stretches out described casing 3 and is connected with the output shaft of electrical motor; Described input shaft 21 is provided with driving gear 4, and driving gear 4 adopts helical wheel, can make stable drive by this structure, reduces noise; First intermediate gear 5 is meshed with described driving gear 4 and is installed on the tween drive shaft 22, second intermediate gear 6 also is installed on tween drive shaft 22, the power of electrical motor drives driving gear 4 by input shaft 21 and rotates, then by being delivered on the tween drive shaft 22 with driving gear 4 ingears first intermediate gear 5, drive second intermediate gear 6 by tween drive shaft 22 again and rotate, be convenient to adjust and change revolution ratio by the mode of this multistage transmission; In addition, by second intermediate gear 6 can absorption portion the strength of bump, thereby alleviate the impact of the more weak input gear axle of intensity, improve whole impact resistance; Ring gear 7 is meshed with described second intermediate gear 6, can drive ring gear 7 by second intermediate gear 6 like this and rotate.Above-mentioned reduction gear apparatus compact conformation, and can be good at adapting to the high-speed operation of electrical motor, make stable drive reliable.
Above-mentioned diff comprises differential casing 8, two axle side gears and planetary gear devices 9; Wherein, differential casing 8 is fixedly mounted on the ring gear 7 by detouchable connection modes such as bolts, can drive differential casings 8 by ring gear 7 like this and rotate.
Described two axle side gears comprise left half axle gear 11 and right axle shaft gear 12, and an end of left half axle gear 11 and right axle shaft gear 12 links together by spline with semiaxis body 1 respectively, can certainly adopt other connection mode.
Planetary gear device 9 is installed on the described differential casing 8, by differential casing 8 planetary gear device 9 is rotated.Because left half axle gear 11 and right axle shaft gear 12 mesh with planetary gear device 9 respectively, planetary gear device 9 can drive 1 rotation of two semiaxis bodies by the power that left half axle gear 11 and right axle shaft gear 12 pass over speed reduction gearing like this, rotate thereby drive electric bicycle drive wheel, realize travelling of battery-driven car.The cooperatively interacting of wheel speed inside and outside it in the time of can realizing that by diff battery-driven car is turned, thus rollover phenomenon when battery-driven car is turned prevented, avoided the generation of traffic accident, stable drive is reliable, and actv. has ensured personal safety.Certainly, diff also can adopt other known structure.
Described casing 3 is provided with and is used for and electrical motor bonded assembly mounting flange 10, and input shaft 21 stretches out described casing 3 from mounting flange 10, and electrical motor can be directly installed on the driving box, compact conformation, thus reduced other attaching parts.
On the sidewall of described two axle tubes 2, be respectively equipped with secondary connecting panel 13, the end of described axle tube 2 is respectively equipped with main connecting panel 14, secondary connecting panel 13 is captiveed joint with vehicle body with main connecting panel 14, thereby it is firm that drive axle is installed, and guarantees that stable drive is reliable.
The present invention is not limited to the above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned enlightenment, expect other the replacement structure all within protection scope of the present invention.
Claims (5)
1. whole electric motor car driving bridge comprises
Driving box, described driving box comprise casing and are arranged on the interior speed reduction gearing of described casing;
Two semi-shaft equipments, described two semi-shaft equipments are installed on the both sides of described driving box respectively; It is characterized in that:
Described speed reduction gearing is the reduction gear apparatus that is used for parallel transferring power;
Described driving box also comprises diff, and described diff is arranged in the described casing and is connected with semi-shaft equipment with described reduction gear apparatus respectively;
Described each semi-shaft equipment comprises a semiaxis body; An axle tube, described axle tube are sheathed on described semiaxis body exterior, and an end of described axle tube is fixedly connected on the described casing.
2. whole electric motor car driving bridge as claimed in claim 1 is characterized in that:
Described reduction gear apparatus comprises
Input shaft, an end of described input shaft stretches out described casing; Be arranged on the driving gear on the described input shaft; Tween drive shaft; Be installed on first intermediate gear and second intermediate gear on the described tween drive shaft, described first intermediate gear and the engagement of described driving gear; Ring gear, described ring gear and the engagement of second intermediate gear;
Described diff comprises
Differential casing, described differential casing is captiveed joint with described ring gear;
Planetary gear device, described planetary gear device are installed on the described differential casing;
Two axle side gears, described axle side gear and planetary gear device engagement, described axle side gear is connected with semiaxis body key.
3. electric motor car driving bridge as claimed in claim 2 is characterized in that: an end of described axle tube is captiveed joint with described casing is detachable.
4. whole electric motor car driving bridge as claimed in claim 3 is characterized in that: described casing is provided with and is used for and electrical motor bonded assembly mounting flange, and described input shaft stretches out described casing from mounting flange.
5. whole electric motor car driving bridge as claimed in claim 4 is characterized in that: the sidewall of described axle tube is provided with secondary connecting panel, and the end of described axle tube is provided with main connecting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100196637A CN101492006A (en) | 2009-03-05 | 2009-03-05 | Whole electric motor car driving bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100196637A CN101492006A (en) | 2009-03-05 | 2009-03-05 | Whole electric motor car driving bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101492006A true CN101492006A (en) | 2009-07-29 |
Family
ID=40922862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100196637A Pending CN101492006A (en) | 2009-03-05 | 2009-03-05 | Whole electric motor car driving bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101492006A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760499A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Electric bicycle drive axle |
| CN106515404A (en) * | 2016-12-27 | 2017-03-22 | 重庆博迪威电动汽车有限责任公司 | Electrombile power transmission integrated system |
| CN108189665A (en) * | 2018-02-11 | 2018-06-22 | 浙江华亦海汽车电子科技有限公司 | A kind of drive system of electric automobile configuration |
| CN108473038A (en) * | 2015-12-17 | 2018-08-31 | 艾科泰国际知识产权控股有限公司 | Vehicle shaft assembly |
-
2009
- 2009-03-05 CN CNA2009100196637A patent/CN101492006A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760499A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Electric bicycle drive axle |
| CN108473038A (en) * | 2015-12-17 | 2018-08-31 | 艾科泰国际知识产权控股有限公司 | Vehicle shaft assembly |
| US11951828B2 (en) | 2015-12-17 | 2024-04-09 | Allison Transmission, Inc. | Axle assembly for a vehicle |
| CN106515404A (en) * | 2016-12-27 | 2017-03-22 | 重庆博迪威电动汽车有限责任公司 | Electrombile power transmission integrated system |
| CN106515404B (en) * | 2016-12-27 | 2019-03-15 | 重庆博迪威电动汽车有限责任公司 | The transmission integrated system of electrical vehicular power |
| CN108189665A (en) * | 2018-02-11 | 2018-06-22 | 浙江华亦海汽车电子科技有限公司 | A kind of drive system of electric automobile configuration |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090729 |