CN103507628A - Wheel driving device and vehicle comprising wheel driving device - Google Patents
Wheel driving device and vehicle comprising wheel driving device Download PDFInfo
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- CN103507628A CN103507628A CN201210210075.3A CN201210210075A CN103507628A CN 103507628 A CN103507628 A CN 103507628A CN 201210210075 A CN201210210075 A CN 201210210075A CN 103507628 A CN103507628 A CN 103507628A
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- actuating device
- oil
- gear
- sun wheel
- oil leab
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Abstract
A wheel driving device comprises a gear case body (1), a motor end cap (2), a motor shaft (3), a planetary gear train and a lubricating system. The planetary gear train comprises a sun wheel shaft (4), a planetary carrier (6) and an inner gear ring (7), one end of the sun wheel shaft (4) is connected with the motor shaft (3), the inner gear ring (7) is fixed to the gear case body (1), and the planetary carrier (6) is connected with a wheel half shaft of the vehicle; a lubricating oil passage (10), an oil pump (11), a motor shaft lubricating oil passage (12) arranged in the motor shaft (3), a sun wheel shaft lubricating oil passage (13) arranged in the sun wheel shaft (4), and a planetary gear train lubricating oil passage arranged in the planetary gear train form the communicated lubricating system. The wheel driving device is compact in overall structure and capable of enhancing the lubricating effect.
Description
Technical field
The present invention relates to a kind of actuating device, particularly a kind of vehicle of taking turns limit actuating device and comprising 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 planet circular system is set in actuating device realizes it and slow down to increase torsion effect, but its design takes up room greatly, and lubricant effect is poor; And of the prior artly take turns limit actuating device to be directly installed on wheel hub strut member Shang， integral structure layout space large, this structure is not only unfavorable for heat radiation and dismounting also brought inconvenience, and channel for oiling design is single in addition, and lubricant effect is poor.
Summary of the invention
For solving the poor problem of prior art Zhong Lun limit actuating device lubricant effect, the invention provides a kind of actuating device, compact overall structure has strengthened lubricated effect simultaneously.
Technical scheme of the present invention is:
A kind of limit actuating device of taking turns 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, be arranged on the sun wheel shaft oil leab in described sun wheel shaft and be arranged on the planet circular system oil leab 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 lubricated cavity of described gear case body and the formation of described electric motor end cap, as preferred structure, wheel limit actuating device also comprises gear oil cap, and described sun wheel shaft forms the oily cavity of gear through described gear oil cap and with described gear oil cap and described pinion carrier.
As further preferred structure, on described sun wheel shaft oil leab, have and get rid of oil hole, described in get rid of oil hole and be connected with the oily cavity of described gear.
As preferred structure further, described planet circular system also comprises satellite gear, described satellite gear rotates and is connected with described pinion carrier by described planet axis around planet axis, and described planet circular system oil leab comprises: described in get rid of oil hole, described gear oil cavity, communicate with the oily cavity of described gear and be arranged on satellite gear gap between the planet axis oil leab in described planet axis, described planet axis and described satellite gear and the pinion carrier gap of described satellite gear and the formation of described pinion carrier.
As preferred structure, between described oil leab and described planet circular system oil leab, be provided with lubricating oil filter.
As preferred structure, Gai Lun limit actuating device 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 ，Gai Lun limit actuating device, also comprise external toothing, described external toothing is meshed with described internally toothed annulus and is fixed on described gear case body.
As further preferred structure, in described internally toothed annulus, be provided with annular recessed teeth groove, between the recessed teeth groove of described annular and described internally toothed annulus, form a step, described external toothing is meshed with the recessed teeth groove of described annular, in the recessed teeth groove of described annular, be provided with annular groove, in described annular groove, assemble a packing ring, described packing ring is pressed to described external toothing on step.
As preferred structure further, described external toothing is fixed on described internally toothed annulus on described gear case body by gear ring bolt of rear end plate.
, described vehicle comprises above-mentioned wheel limit actuating device.
The present invention has the following advantages: the power of motor shaft output 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 be taken 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 limit actuating device of one embodiment of the present invention.
Fig. 2 is the structural representation of the sun wheel shaft in the wheel limit actuating device of one embodiment of the present invention.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, 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, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the present invention is done to further detailed description:
As shown in Figure 1, a kind of limit actuating device of taking turns, 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 are 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, be arranged on the sun wheel shaft oil leab 13 in described sun wheel shaft 4 and be arranged on the planet circular system oil leab in described planet circular system, described oil leab 10 one end are 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 are 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 lubricated cavity 16 of described gear case body 1 and 2 formation of described electric motor end cap, at this, it should be noted that, wheel limit actuating device also comprises gear oil cap 23, and described sun wheel shaft 4 forms the oily cavity 9 of gear through described gear oil cap 23 and with described gear oil cap 23 and described pinion carrier 6.Described gear oil cap 23 can be middle part and can be arranged in described pinion carrier 6 by welding, bolt etc. to described electric motor end cap 2 end projections and periphery.
In concrete enforcement, on described sun wheel shaft oil leab 13, have and get rid of oil hole 18, described in get rid of oil hole 18 and be connected with the oily cavity 9 of described gear.In described lubricating system, be filled with lubricating oil, get rid of oil hole 18 described in when described sun wheel shaft 4 is rotated 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, at this, it should be noted that, described planet circular system also comprises satellite gear 5, described satellite gear 5 rotates and is connected with described pinion carrier 6 by described planet axis 14 around planet axis 14, as preferred structure, described planet circular system oil leab comprises: described in get rid of oil hole 18, the oily cavity 9 of described gear, communicate with the oily cavity 9 of described gear and be arranged on the pinion carrier gap 26 that the satellite gear gap 25 of 5 of planet axis oil leab 15 in described planet axis 14, described planet axis 14 and described satellite gears and described satellite gear 5 and described pinion carrier 6 form.Lubricating oil gets rid of into the oily cavity 9 of described gear from the described oil hole 18 that gets rid of, from the oily cavity 9 of described gear, through described planet axis oil leab 15, described satellite gear gap 25 and described pinion carrier gap 26, enter described lubricated cavity 16, and gather in described lubricated cavity 16 lower end.
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 described lubricating oil filter 20 can improve whole service life of taking turns limit actuating device, improve the transmission power of actuating device, produce high lubricating effect.
At this, it should be noted that, as shown in Figure 1, described oil pump 11 is arranged in lubricating system and motor joint, the described oil leab 10 being connected with described oil pump 11 is the independent pipeline outside motor housing casing, with 11 operations of oil pump shown in driven by motor, the horsepower input of oil pump 11 shown in having improved
At this, it should be noted that: 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 lubricated cavity 16, through described oil leab 10 to described motor shaft oil leab 12 fuel feeding, lubricating oil is taken out oil leab 13 by the planet circular system that gets rid of oilhole 18 described in described sun wheel shaft 3 and be thrown to described lubricated cavity 16 to described sun wheel through described motor shaft oil leab 12, the whole limit actuating device of taking turns is played to good lubricating effect, have good lubricant effect.
Lubricating oil can also be taken away the heat of described motor shaft 3 and 4 generations of described sun wheel shaft in the process of above-mentioned lubricated circulating oil path circulation.
As shown in Figure 1, in concrete enforcement, Gai Lun limit actuating device 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, guarantee the smooth operation of motor, this structure Shi Lun limit actuating device rational and compact, saves space.
The concrete Zhong，Gai Lun limit actuating device of implementing also comprises external toothing 27, and described external toothing 27 is meshed with described internally toothed annulus 7 and described internally toothed annulus 7 is fixed on described gear case body 1.
As shown in Figure 1, in concrete enforcement, on described gear case body 1, be provided with breather stem vent plug, when described lubricated cavity 16 temperature rise, when gases are heated, they expand discharges from described breather stem vent plug.
In concrete enforcement, in described internally toothed annulus 7, be provided with annular recessed teeth groove 21, the concave surface of the recessed teeth groove 21 of described annular, on the gear of described internally toothed annulus 7, forms a step between the recessed teeth groove 21 of described annular and described internally toothed annulus 7, and 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, at this, it should be noted that, in the recessed teeth groove 21 of described annular, be provided with annular groove 28, assemble a packing ring 22 matching with described annular groove 28 in described annular groove 28, described packing ring 22 is pressed to described external toothing 27 on step.Described packing ring 22 can prevent that described internally toothed annulus 7 and described external toothing 27 from axial relative displacement occurring.
At this, it should be noted that, described external toothing 27 is fixed on described internally toothed annulus 7 on described gear case body 1 by gear ring bolt of rear end plate 24.
In concrete enforcement, described motor shaft 3 and described sun wheel shaft 4 spline joints, described planet output frame 6 and described wheel semiaxis 8 spline joints.
The present invention also provides a kind of vehicle, and described vehicle comprises wheel limit actuating device, and the described limit actuating device of taking turns is above-mentioned wheel limit actuating device.
The limit actuating device of taking turns of the present invention by the high rotating speed of motor side being dropped to the vehicle wheel rotational speed of Vehicle Driving Cycle, and increases moment of torsion when slowing down, and makes vehicle obtain larger turning effort, and driving efficiency is high, and has reduced the loss of energy; Use lubricated circulating oil path can greatly improve 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 modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1.Yi Zhonglun limit actuating device, 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), be arranged on the sun wheel shaft oil leab (13) in described sun wheel shaft (4) and be arranged on the planet circular system oil leab 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.
2. the limit actuating device of taking turns as claimed in claim 1, it is characterized in that, described planet circular system is arranged in the lubricated cavity (16) of described gear case body (1) and described electric motor end cap (2) formation, wheel limit actuating device also comprises gear oil cap (23), and described sun wheel shaft (4) forms gear oily cavity (9) through described gear oil cap (23) and with described gear oil cap (23) and described pinion carrier (6).
3. the limit actuating device of taking turns as claimed in claim 2, is characterized in that, on described sun wheel shaft oil leab (13), have and get 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. the limit actuating device of taking turns as claimed in claim 3, it is characterized in that, described planet circular system also comprises satellite gear (5), described satellite gear (5) rotates and is connected with described pinion carrier (6) by described planet axis (14) around 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) and described pinion carrier (6) form.
5. the limit actuating device of taking turns as claimed in claim 1, is characterized in that, between described oil leab (10) and described planet circular system oil leab, is provided with lubricating oil filter (20).
6. the limit actuating device of taking turns as claimed in claim 1, it is characterized in that, Gai Lun limit actuating device 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. the limit actuating device of taking turns as claimed in claim 1, is characterized in that ，Gai Lun limit actuating device 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. the limit actuating device of taking turns as claimed in claim 7, it is characterized in that, in described internally toothed annulus (7), be provided with annular recessed teeth groove (21), between the recessed teeth groove of described annular (21) and described internally toothed annulus (7), form a step, described external toothing (27) is meshed with the recessed teeth groove of described annular (21), in the recessed teeth groove of described annular (21), be provided with annular groove (28), assembling one packing ring (22) in described annular groove (28), described packing ring (22) is pressed to described external toothing (27) on step.
9. the limit actuating device of taking turns as claimed in claim 8, is characterized in that, described external toothing (27) is fixed on described internally toothed annulus (7) on described gear case body (1) by gear ring bolt of rear end plate (24).
10. a vehicle, described vehicle comprises wheel limit actuating device, it is characterized in that, the described limit actuating device of taking turns is the wheel limit actuating device described in any one in claim 1-9.
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 true CN103507628A (en) | 2014-01-15 |
| CN103507628B CN103507628B (en) | 2016-04-27 |
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Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN103507628B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104696445A (en) * | 2015-03-19 | 2015-06-10 | 黄玲艳 | Wheel reduction gear |
| 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 |
| 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 |
| 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 |
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| 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 | 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 |
| CN104696445A (en) * | 2015-03-19 | 2015-06-10 | 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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| Publication number | Publication date |
|---|---|
| CN103507628B (en) | 2016-04-27 |
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