CN103507628B - A kind of wheel hub drive and comprise the vehicle of this wheel hub drive - Google Patents
A kind of wheel hub drive and comprise the vehicle of this wheel hub drive Download PDFInfo
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- CN103507628B CN103507628B CN201210210075.3A CN201210210075A CN103507628B CN 103507628 B CN103507628 B CN 103507628B CN 201210210075 A CN201210210075 A CN 201210210075A CN 103507628 B CN103507628 B CN 103507628B
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- wheel hub
- oil
- hub drive
- gear
- oil leab
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Abstract
A kind of wheel hub drive, comprise gear case body (1), electric motor end cap (2), motor shaft (3), planet circular system and lubricating system, wherein said planet circular system comprises: sun wheel shaft (4), pinion carrier (6) and internally toothed annulus (7), described sun wheel shaft (4) one end is connected with motor shaft (3), internally toothed annulus (7) is fixed on gear case body (1), and pinion carrier (6) connects wheel of vehicle semiaxis; Oil leab (10), oil pump (11), the motor shaft oil leab (12) be arranged in described motor shaft (3), be arranged on the sun wheel shaft oil leab (13) in described sun wheel shaft (4) and be arranged on planet circular system oil leab in described planet circular system and form the lubricating system be communicated with.The invention provides a kind of wheel hub drive, compact overall structure, enhance the effect of device lubrication simultaneously.
Description
Technical field
The present invention relates to a kind of actuating device, particularly a kind of wheel hub drive and comprise the vehicle of this actuating device.
Background technology
Actuating device carrys out transmitted power by transfer gear train, can play acceleration-deceleration, changes transmission direction, change rotating torque etc.Prior art has and in actuating device, to arrange planet circular system realize it and slow down and increase torsion effect, but its design takes up room large, and lubricant effect is poor; And wheel hub drive of the prior art is directly installed on hub support, integral structure layout space is large, and this structure is not only unfavorable for heat radiation and also brings inconvenience to dismounting, and channel for oiling design is single in addition, and lubricant effect is poor.
Summary of the invention
For solving the problem that in prior art, wheel hub drive lubricant effect is poor, the invention provides a kind of actuating device, compact overall structure, enhancing the effect of lubrication simultaneously.
Technical scheme of the present invention is:
A kind of wheel hub drive comprises gear case body, electric motor end cap, motor shaft, planet circular system and lubricating system, wherein, described planet circular system comprises: sun wheel shaft, pinion carrier and internally toothed annulus, described sun wheel shaft one end is connected with motor shaft, internally toothed annulus is fixed on gear case body, pinion carrier is connected with wheel of vehicle semiaxis, described lubricating system comprises: oil leab, oil pump, be arranged on the motor shaft oil leab in described motor shaft, the planet circular system oil leab being arranged on the sun wheel shaft oil leab in described sun wheel shaft and being arranged in described planet circular system, described oil leab one end is connected with described motor shaft oil leab by described oil pump, the other end is connected with described planet circular system oil leab, described sun wheel shaft oil leab one end is connected with described motor shaft oil leab, the other end is connected with described planet circular system oil leab.
Described planet circular system is arranged in the lubrication cavity that described gear case body and described electric motor end cap formed, as preferred structure, wheel hub drive also comprises gear oil cap, and described sun wheel shaft is passed described gear oil cap and formed with described gear oil cap and described pinion carrier and keeps off oily cavity.
As further preferred structure, described sun wheel shaft oil leab has and gets rid of oil hole, described in get rid of oil hole and be connected with the oily cavity of described gear.
As further preferred structure, described planet circular system also comprises satellite gear, described satellite gear is rotated around planet axis and is connected with described pinion carrier by described planet axis, and described planet circular system oil leab comprises: described in get rid of oil hole, described gear oil cavity communicates with the oily cavity of described gear and is arranged on the pinion carrier gap that the planet axis oil leab in described planet axis, the satellite gear gap between described planet axis and described satellite gear and described satellite gear and described pinion carrier formed.
As preferred structure, between described oil leab and described planet circular system oil leab, be provided with lubricating oil filter.
As preferred structure, this wheel hub drive also comprises motor side backup bearing, sun wheel planet carrier backup bearing and pinion carrier backup bearing, described sun wheel shaft is supported on electric motor end cap by described motor side backup bearing, described sun wheel shaft is also supported in described pinion carrier by described sun wheel planet carrier backup bearing, and described pinion carrier is supported on described gear case body by pinion carrier backup bearing.
As preferred structure, this wheel hub drive also comprises external toothing, and described external toothing is meshed with described internally toothed annulus and is fixed on described gear case body.
As further preferred structure, annular recessed teeth groove is provided with in described internally toothed annulus, a step is formed between the recessed teeth groove of described annular and described internally toothed annulus, described external toothing is meshed with the recessed teeth groove of described annular, annular groove is provided with in the recessed teeth groove of described annular, assemble a packing ring in described annular groove, described external toothing is pressed on step by described packing ring.
As further preferred structure, described internally toothed annulus is fixed on described gear case body by gear ring bolt of rear end plate by described external toothing.
A kind of vehicle, described vehicle comprises above-mentioned wheel hub drive.
The present invention has the following advantages: the power that motor shaft exports slows down through planet circular system, increase the loss that moment of torsion reduces power transmission, the integral layout compact conformation of actuating device, save space, be convenient to dismounting, and the high lubricating effect of the lubricating system of device, circulating oil path can also take away the heat that the described motor shaft of part, described sun wheel shaft and planet circular system produce in rotation process.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the wheel hub drive of one embodiment of the present invention.
Fig. 2 is the structural representation of the sun wheel shaft in the wheel hub drive of one embodiment of the present invention.
Detailed description of the invention
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with accompanying drawing, further detailed description is done to the present invention:
As shown in Figure 1, a kind of wheel hub drive, comprise gear case body 1, electric motor end cap 2, motor shaft 3, planet circular system and lubricating system, wherein said planet circular system comprises: sun wheel shaft 4, pinion carrier 6 and internally toothed annulus 7, described sun wheel shaft 4 one end is connected with motor shaft 3, internally toothed annulus 7 is fixed on gear case body 1, pinion carrier 6 is connected with wheel of vehicle semiaxis, described lubricating system comprises: oil leab 10, oil pump 11, be arranged on the motor shaft oil leab 12 in described motor shaft 3, the planet circular system oil leab being arranged on the sun wheel shaft oil leab 13 in described sun wheel shaft 4 and being arranged in described planet circular system, described oil leab 10 one end is connected with described motor shaft oil leab 12 by described oil pump 11, the other end is connected with described planet circular system oil leab, described sun wheel shaft oil leab 13 one end is connected with described motor shaft oil leab 12, the other end is connected with described planet circular system oil leab.
Described planet circular system is arranged in the lubrication cavity 16 that described gear case body 1 and described electric motor end cap 2 formed, it should be noted that at this, wheel hub drive also comprises gear oil cap 23, and described sun wheel shaft 4 is passed described gear oil cap 23 and formed with described gear oil cap 23 and described pinion carrier 6 and keeps off oily cavity 9.Described gear oil cap 23 can be middle part and is arranged in described pinion carrier 6 by welding, bolt etc. to the protruding and periphery of described electric motor end cap 2 end.
In concrete enforcement, described sun wheel shaft oil leab 13 has and gets rid of oil hole 18, described in get rid of oil hole 18 and be connected with the oily cavity 9 of described gear.Be filled with lubricating oil in described lubricating system, get rid of oil hole 18 described in when described sun wheel shaft 4 is rotated and the lubricating oil in described sun wheel shaft oil leab 13 is got rid of into the oily cavity 9 of described gear.
As shown in Figure 1, it should be noted that at this, described planet circular system also comprises satellite gear 5, described satellite gear 5 is rotated around planet axis 14 and is connected with described pinion carrier 6 by described planet axis 14, as preferred structure, described planet circular system oil leab comprises: described in get rid of oil hole 18, the oily cavity of described gear 9 and communicate with the oily cavity of described gear 9 and be arranged on the pinion carrier gap 26 that the planet axis oil leab 15 in described planet axis 14, the satellite gear gap 25 between described planet axis 14 and described satellite gear 5 and described satellite gear 5 formed with described pinion carrier 6.Lubricating oil gets rid of into the oily cavity 9 of described gear from the described oil hole 18 that gets rid of, enter described lubrication cavity 16 from the oily cavity of described gear 9 through described planet axis oil leab 15, described satellite gear gap 25 and described pinion carrier gap 26, and gather in the lower end of described lubrication cavity 16.
In concrete enforcement, between described oil leab 10 and described planet circular system oil leab, be provided with lubricating oil filter 20.In lubricating system, add the service life that described lubricating oil filter 20 can improve whole wheel hub drive, improve the transmission power of actuating device, produce high lubricating effect.
It should be noted that at this, as shown in Figure 1, described oil pump 11 be arranged in lubricating system with motor joint, the described oil leab 10 be connected with described oil pump 11 is the independent pipeline outside motor housing casing, run with oil pump 11 shown in driven by motor, improve the horsepower input of shown oil pump 11, it should be noted that at this: lubricating oil forms circulating oil path in described lubricating system, described oil pump 11 under the drive of motor by the lubricating oil sucking-off in described lubrication cavity 16, through described oil leab 10 to described motor shaft oil leab 12 fuel feeding, lubricating oil to be taken out oil leab 13 through described motor shaft oil leab 12 and is thrown in the planet circular system of described lubrication cavity 16 by getting rid of oilhole 18 described in described sun wheel shaft 3 to described sun wheel, good lubricating effect is played to whole wheel hub drive, there is good lubricant effect.
Lubricating oil can also take away the heat of described motor shaft 3 and described sun wheel shaft 4 generation in the process of above-mentioned greasing cycle oil circulation.
As shown in Figure 1, in concrete enforcement, this wheel hub drive also comprises motor side backup bearing 8, sun wheel planet carrier backup bearing 17 and pinion carrier backup bearing 19, described sun wheel shaft 4 is supported on electric motor end cap 2 by described motor side backup bearing 8, described sun wheel shaft 4 is also supported in described pinion carrier 6 by described sun wheel planet carrier backup bearing 17, described pinion carrier 6 is supported on described gear case body 1 by pinion carrier backup bearing 19, ensure the smooth operation of motor, this structure makes wheel hub drive rational and compact, saves space.
In concrete enforcement, this wheel hub drive also comprises external toothing 27, and described external toothing 27 is meshed with described internally toothed annulus 7 and is fixed on described gear case body 1 by described internally toothed annulus 7.
As shown in Figure 1, in concrete enforcement, described gear case body 1 is provided with breather stem vent plug, when described lubrication cavity 16 temperature rises, when gases are heated, they expand discharges from described breather stem vent plug.
In concrete enforcement, annular recessed teeth groove 21 is provided with in described internally toothed annulus 7, the concave surface of the recessed teeth groove of described annular 21 is on the gear of described internally toothed annulus 7, and form a step between the recessed teeth groove of described annular 21 and described internally toothed annulus 7, described step is formed on the gear of described internally toothed annulus 7.Described external toothing 27 is meshed with the recessed teeth groove 21 of described annular.
As shown in Figure 1, it should be noted that at this, be provided with annular groove 28 in the recessed teeth groove 21 of described annular, assemble a packing ring 22 matched with described annular groove 28 in described annular groove 28, described external toothing 27 is pressed on step by described packing ring 22.Described packing ring 22 can prevent described internally toothed annulus 7 from described external toothing 27, axial relative displacement occurring.
It should be noted that at this, described internally toothed annulus 7 is fixed on described gear case body 1 by gear ring bolt of rear end plate 24 by described external toothing 27.
In concrete enforcement, described motor shaft 3 and described sun wheel shaft 4 spline joint, described planet output shelf 6 is connected with described wheel Formation of Axle Shaft Spline.
Present invention also offers a kind of vehicle, described vehicle comprises wheel hub drive, and described wheel hub drive is above-mentioned wheel hub drive.
Wheel hub drive of the present invention, by the high rotating speed of motor side being dropped to the vehicle wheel rotational speed that vehicle travels, and increase moment of torsion while deceleration, make vehicle obtain larger turning effort, driving efficiency is high, and decreases the loss of energy; Use greasing cycle oil circuit can substantially increase the lubricant effect of device; Each mechanism part compact assembling structure of this actuating device, is convenient to dismounting, saves space.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a wheel hub drive, comprise gear case body (1), electric motor end cap (2), motor shaft (3), planet circular system and lubricating system, it is characterized in that, described planet circular system comprises: sun wheel shaft (4), pinion carrier (6) and internally toothed annulus (7), described sun wheel shaft (4) one end is connected with motor shaft (3), internally toothed annulus (7) is fixed on gear case body (1), pinion carrier (6) is connected with wheel of vehicle semiaxis, described lubricating system comprises: oil leab (10), oil pump (11), be arranged on the motor shaft oil leab (12) in described motor shaft (3), the planet circular system oil leab being arranged on the sun wheel shaft oil leab (13) in described sun wheel shaft (4) and being arranged in described planet circular system, described oil leab (10) one end is connected with described motor shaft oil leab (12) by described oil pump (11), the other end is connected with described planet circular system oil leab, described sun wheel shaft oil leab (13) one end is connected with described motor shaft oil leab (12), the other end is connected with described planet circular system oil leab,
Wheel hub drive also comprises gear oil cap (23), and described sun wheel shaft (4) is formed through described gear oil cap (23) and with described gear oil cap (23) and described pinion carrier (6) and keeps off oily cavity (9).
2. wheel hub drive as claimed in claim 1, is characterized in that, described planet circular system is arranged in the lubrication cavity (16) that described gear case body (1) and described electric motor end cap (2) formed.
3. wheel hub drive as claimed in claim 2, it is characterized in that, described sun wheel shaft oil leab (13) has and gets rid of oil hole (18), described in get rid of oil hole (18) and be connected with the oily cavity of described gear (9).
4. wheel hub drive as claimed in claim 3, it is characterized in that, described planet circular system also comprises satellite gear (5), described satellite gear (5) is rotated around planet axis (14) and is connected with described pinion carrier (6) by described planet axis (14), described planet circular system oil leab comprises: described in get rid of oil hole (18), the oily cavity of described gear (9), communicate with the oily cavity of described gear (9) and be arranged on the planet axis oil leab (15) in described planet axis (14), the pinion carrier gap (26) that satellite gear gap (25) between described planet axis (14) and described satellite gear (5) and described satellite gear (5) are formed with described pinion carrier (6).
5. wheel hub drive as claimed in claim 1, is characterized in that, be provided with lubricating oil filter (20) between described oil leab (10) and described planet circular system oil leab.
6. wheel hub drive as claimed in claim 1, it is characterized in that, this wheel hub drive also comprises motor side backup bearing (8), sun wheel planet carrier backup bearing (17) and pinion carrier backup bearing (19), described sun wheel shaft (4) is supported on electric motor end cap (2) by described motor side backup bearing (8), described sun wheel shaft (4) is also supported in described pinion carrier (6) by described sun wheel planet carrier backup bearing (17), described pinion carrier (6) is supported on described gear case body (1) by pinion carrier backup bearing (19).
7. wheel hub drive as claimed in claim 1, it is characterized in that, this wheel hub drive also comprises external toothing (27), and described external toothing (27) is meshed with described internally toothed annulus (7) and is fixed on described gear case body (1).
8. wheel hub drive as claimed in claim 7, it is characterized in that, annular recessed teeth groove (21) is provided with in described internally toothed annulus (7), a step is formed between the recessed teeth groove of described annular (21) and described internally toothed annulus (7), described external toothing (27) is meshed with the recessed teeth groove of described annular (21), annular groove (28) is provided with in the recessed teeth groove of described annular (21), assembling one packing ring (22) in described annular groove (28), described external toothing (27) is pressed on step by described packing ring (22).
9. wheel hub drive as claimed in claim 8, it is characterized in that, described internally toothed annulus (7) is fixed on described gear case body (1) by gear ring bolt of rear end plate (24) by described external toothing (27).
10. a vehicle, described vehicle comprises wheel hub drive, it is characterized in that, described wheel hub drive is the wheel hub drive in claim 1-9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210075.3A CN103507628B (en) | 2012-06-25 | 2012-06-25 | A kind of wheel hub drive and comprise the vehicle of this wheel hub drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210075.3A CN103507628B (en) | 2012-06-25 | 2012-06-25 | A kind of wheel hub drive and comprise the vehicle of this wheel hub drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103507628A CN103507628A (en) | 2014-01-15 |
| CN103507628B true CN103507628B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210210075.3A Active CN103507628B (en) | 2012-06-25 | 2012-06-25 | A kind of wheel hub drive and comprise the vehicle of this wheel hub drive |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912671A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gearbox bearing lubrication device |
| CN105480083A (en) * | 2014-09-17 | 2016-04-13 | 湖南南车时代电动汽车股份有限公司 | Vehicle driving system |
| CN104696445B (en) * | 2015-03-19 | 2017-05-03 | 黄玲艳 | Wheel reduction gear |
| CN109667919A (en) * | 2017-10-17 | 2019-04-23 | 郑州宇通客车股份有限公司 | The dynamical system and its lubricating system of vehicle |
| CN109538745A (en) * | 2018-12-26 | 2019-03-29 | 南京越博动力系统股份有限公司 | The connection spline lubricating structure of electric commercial vehicle motor and gearbox |
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| CN101274592A (en) * | 2007-03-29 | 2008-10-01 | 阿文美驰技术有限责任公司 | Electric power driving system with planetary drive |
| CN201428794Y (en) * | 2009-05-27 | 2010-03-24 | 比亚迪股份有限公司 | Lubricating system of planetary gear train speed reducing mechanism |
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| CN202703262U (en) * | 2012-06-25 | 2013-01-30 | 比亚迪股份有限公司 | Wheel driving device and vehicle including the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008174021A (en) * | 2007-01-16 | 2008-07-31 | Ntn Corp | In-wheel motor drive device |
| JP5374312B2 (en) * | 2009-10-09 | 2013-12-25 | Ｎｔｎ株式会社 | In-wheel motor drive device |
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- 2012-06-25 CN CN201210210075.3A patent/CN103507628B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274592A (en) * | 2007-03-29 | 2008-10-01 | 阿文美驰技术有限责任公司 | Electric power driving system with planetary drive |
| CN201428794Y (en) * | 2009-05-27 | 2010-03-24 | 比亚迪股份有限公司 | Lubricating system of planetary gear train speed reducing mechanism |
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| CN202703262U (en) * | 2012-06-25 | 2013-01-30 | 比亚迪股份有限公司 | Wheel driving device and vehicle including the same |
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| Publication number | Publication date |
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| CN103507628A (en) | 2014-01-15 |
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