CN202703262U - Wheel driving device and vehicle including the same - Google Patents

Wheel driving device and vehicle including the same Download PDF

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Publication number
CN202703262U
CN202703262U CN 201220298635 CN201220298635U CN202703262U CN 202703262 U CN202703262 U CN 202703262U CN 201220298635 CN201220298635 CN 201220298635 CN 201220298635 U CN201220298635 U CN 201220298635U CN 202703262 U CN202703262 U CN 202703262U
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CN
China
Prior art keywords
actuating device
gear
oil
sun wheel
oil leab
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220298635
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Chinese (zh)
Inventor
魏晶
文鑫
景双红
陈大启
陈广全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
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BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN 201220298635 priority Critical patent/CN202703262U/en
Application granted granted Critical
Publication of CN202703262U publication Critical patent/CN202703262U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

A wheel driving device comprises a gear box body (1), a motor end cover (2), a motor shaft (3), a planetary gear train and a lubricating system, wherein the planetary gear train comprises a sun wheel shaft (4), a planetary frame (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 on the gear box body (1), and the planetary frame (6) is connected with a vehicle wheel half shaft. A lubricating oil duct (10), an oil pump (11), a motor shaft lubricating oil duct (12) arranged in the motor shaft (3), a sun wheel shaft lubricating oil duct (13) arranged in the sun wheel shaft (4), and a planetary gear train lubricating oil duct arranged in the planetary gear train form a communicated lubricating system. The wheel driving device is compact in overall structure, and meanwhile increases device lubricating effects. The utility model further provides a vehicle including the wheel driving device.

Description

A kind ofly take turns the limit actuating device and comprise that this takes turns the vehicle of limit actuating device
Technical field
The utility model relates to a kind of actuating device, particularly a kind ofly takes turns the limit actuating device and comprises that this takes turns the vehicle of limit actuating device.
Background technology
Actuating device comes 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 that its deceleration increases torsion effect, but its design takes up room greatly, and lubricant effect is poor; And the limit actuating device of taking turns of the prior art is directly installed on the wheel hub strut member, and the integral structure layout space is large, and this structure not only is unfavorable for heat radiation and dismounting is also brought inconvenience, and the channel for oiling design is single in addition, and lubricant effect is relatively poor.
The utility model content
For solving the relatively poor problem of wheel limit actuating device lubricant effect in the prior art, the utility model provides a kind of actuating device, and compact overall structure has strengthened lubricated effect simultaneously.
The technical solution of the utility model 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 the gear case body, pinion carrier is connected with the wheel of vehicle semiaxis, described lubricating system comprises: oil leab, oil pump, be arranged on the motor shaft oil leab in the described motor shaft, be arranged on the sun wheel shaft oil leab in the described sun wheel shaft and be arranged on planet circular system oil leab in the 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, and 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 the gear oil cap, and described sun wheel shaft is passed described gear oil cap and formed the oily cavity of gear with described gear oil cap and described pinion carrier.
As further preferred structure, have on the described sun wheel shaft oil leab and get rid of oil hole, the described oil hole that gets rid of is 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: describedly get rid of oil hole, the oily cavity of described gear, communicate with the oily cavity of described gear and be arranged on satellite gear gap between the planet axis oil leab in the 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, be provided with lubricating oil filter between described oil leab and the described planet circular system oil leab.
As preferred structure, this is taken turns the limit actuating device and also comprises motor side backup bearing, sun wheel planet carrier backup bearing and pinion carrier backup bearing, described sun wheel shaft is supported on the electric motor end cap by described motor side backup bearing, described sun wheel shaft also is supported on the described pinion carrier by described sun wheel planet carrier backup bearing, and described pinion carrier is supported on the described gear case body by the pinion carrier backup bearing.
As preferred structure, this is taken turns the limit actuating device and also comprises external toothing, and described external toothing is meshed with described internally toothed annulus and is fixed on the described gear case body.
As further preferred structure, be provided with annular recessed teeth groove in the described internally toothed annulus, form a step between the recessed teeth groove of described annular and the described internally toothed annulus, described external toothing is meshed with the recessed teeth groove of described annular, be provided with annular groove in the recessed teeth groove of described annular, assembling one packing ring in the described annular groove, described packing ring is pressed to described external toothing on the step.
As preferred structure further, described external toothing is fixed on described internally toothed annulus on the described gear case body by the gear ring bolt of rear end plate.
A kind of vehicle, described vehicle comprise above-mentioned wheel limit actuating device.
The utlity model has following advantage: 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 the 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.
Description of drawings
Fig. 1 is the cross-sectional schematic of the wheel limit actuating device of a kind of embodiment of the utility model.
Fig. 2 is the structural representation of the sun wheel shaft in the wheel limit actuating device of a kind of embodiment of the utility model.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Below in conjunction with accompanying drawing the utility model is done 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 ends are connected with motor shaft 3, internally toothed annulus 7 is fixed on the gear case body 1, pinion carrier 6 is connected with the wheel of vehicle semiaxis, described lubricating system comprises: oil leab 10, oil pump 11, be arranged on the motor shaft oil leab 12 in the described motor shaft 3, be arranged on the sun wheel shaft oil leab 13 in the described sun wheel shaft 4 and be arranged on planet circular system oil leab in the described planet circular system, described oil leab 10 1 ends 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 1 ends are connected with described motor shaft oil leab 12, and 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, need to prove at this, wheel limit actuating device also comprises gear oil cap 23, and described sun wheel shaft 4 is passed described gear oil cap 23 and formed the oily cavity 9 of gear with described gear oil cap 23 and described pinion carrier 6.Described gear oil cap 23 can be the middle part and can it be installed on the described pinion carrier 6 by welding, bolt etc. to described electric motor end cap 2 end projections and periphery.
In the implementation, have on the described sun wheel shaft oil leab 13 and get rid of oil hole 18, the described oil hole 18 that gets rid of is connected with the oily cavity 9 of described gear.Be filled with lubricating oil in the described lubricating system, the described oil hole 18 that gets rid of gets rid of the lubricating oil in the described sun wheel shaft oil leab 13 into the oily cavity 9 of described gear when described sun wheel shaft 4 is rotated.
As shown in Figure 1, need to prove at this, described planet circular system also comprises satellite gear 5, described satellite gear 5 is connected with described pinion carrier 6 around planet axis 14 rotations and by described planet axis 14, as preferred structure, described planet circular system oil leab comprises: the pinion carrier gap 26 that the described satellite gear gap 25 of getting 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 5 of planet axis oil leab 15 in the 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, enter described lubricated cavity 16 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, and gather in the lower end of described lubricated cavity 16.
In the implementation, be provided with lubricating oil filter 20 between described oil leab 10 and the described planet circular system oil leab.In lubricating system, add described lubricating oil filter 20 and can improve whole service life of taking turns the limit actuating device, improve the transmission power of actuating device, produce high lubricating effect.
Need to prove at this, as shown in Figure 1, described oil pump 11 is installed in the lubricating system and the motor joint, the described oil leab 10 that is connected with described oil pump 11 is the outer independent pipeline of motor housing casing, with 11 operations of oil pump shown in the driven by motor, the horsepower input of oil pump 11 shown in having improved
Need to prove at this: lubricating oil forms circulating oil path in described lubricating system, described oil pump 11 under the drive of motor with the lubricating oil sucking-off in the 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 through described motor shaft oil leab 12 and is got rid of by described on the described sun wheel shaft 3 in the planet circular system that oilhole 18 is thrown to described lubricated cavity 16 to described sun wheel, the whole limit actuating device of taking turns is played good lubricating effect, preferably lubricant effect is arranged.
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 the implementation, this is taken turns the limit actuating device and 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 the electric motor end cap 2 by described motor side backup bearing 8, described sun wheel shaft 4 also is supported on the described pinion carrier 6 by described sun wheel planet carrier backup bearing 17, described pinion carrier 6 is supported on the described gear case body 1 by pinion carrier backup bearing 19, guarantee the smooth operation of motor, this structure makes wheel limit actuating device rational and compact, saves the space.
In the implementation, this is taken turns the limit actuating device and 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 the described gear case body 1.
As shown in Figure 1, in the implementation, be provided with breather stem vent plug at described gear case body 1, when described lubricated cavity 16 temperature rose, when gases are heated, they expand discharged from described breather stem vent plug.
In the implementation, be provided with annular recessed teeth groove 21 in the described internally toothed annulus 7, the concave surface of the recessed teeth groove 21 of described annular forms a step between the recessed teeth groove 21 of described annular and the described internally toothed annulus 7 on the gear of 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, need to prove at this, be provided with annular groove 28 in the recessed teeth groove 21 of described annular, assembling one packing ring 22 that matches with described annular groove 28 in the described annular groove 28, described packing ring 22 is pressed to described external toothing 27 on the step.Described packing ring 22 can prevent that described internally toothed annulus 7 and described external toothing 27 from axial relative displacement occuring.
Need to prove at this, described external toothing 27 is fixed on described internally toothed annulus 7 on the described gear case body 1 by gear ring bolt of rear end plate 24.
In the implementation, 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 utility model 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 utility model 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, make 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 components compact assembling structure of this actuating device is convenient to dismounting, saves the space.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. take turns the limit actuating device for one kind, 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 ends are connected with motor shaft (3), internally toothed annulus (7) is fixed on the gear case body (1), pinion carrier (6) is connected with the wheel of vehicle semiaxis, described lubricating system comprises: oil leab (10), oil pump (11), be arranged on the motor shaft oil leab (12) in the described motor shaft (3), be arranged on the sun wheel shaft oil leab (13) in the described sun wheel shaft (4) and be arranged on planet circular system oil leab in the described planet circular system, described oil leab (10) one ends 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 ends are connected with described motor shaft oil leab (12), and 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) is passed described gear oil cap (23) and formed gear oily cavity (9) 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, has on the described sun wheel shaft oil leab (13) to get rid of oil hole (18), and the described oil hole (18) that gets rid of is 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) is connected with described pinion carrier (6) around planet axis (14) rotation and by described planet axis (14), and described planet circular system oil leab comprises: the described oil hole (18) that gets rid of, the oily cavity of described gear (9), communicate with the oily cavity of described gear (9) and be arranged on planet axis oil leab (15) in the 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, is provided with lubricating oil filter (20) between described oil leab (10) and the described planet circular system oil leab.
6. the limit actuating device of taking turns as claimed in claim 1, it is characterized in that, this is taken turns the limit actuating device and 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 the electric motor end cap (2) by described motor side backup bearing (8), described sun wheel shaft (4) also is supported on the described pinion carrier (6) by described sun wheel planet carrier backup bearing (17), and described pinion carrier (6) is supported on the 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, this is taken turns the limit actuating device and also comprises external toothing (27), and described external toothing (27) is meshed with described internally toothed annulus (7) and is fixed on the described gear case body (1).
8. the limit actuating device of taking turns as claimed in claim 7, it is characterized in that, be provided with annular recessed teeth groove (21) in the described internally toothed annulus (7), form a step between the recessed teeth groove of described annular (21) and the described internally toothed annulus (7), described external toothing (27) is meshed with the recessed teeth groove of described annular (21), be provided with annular groove (28) in the recessed teeth groove of described annular (21), assembling one packing ring (22) in the described annular groove (28), described packing ring (22) is pressed to described external toothing (27) on the 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 the described gear case body (1) by gear ring bolt of rear end plate (24).
10. vehicle, described vehicle comprise wheel limit actuating device, it is characterized in that, the described limit actuating device of taking turns is the described limit actuating device of taking turns of any one among the claim 1-9.
CN 201220298635 2012-06-25 2012-06-25 Wheel driving device and vehicle including the same Expired - Lifetime CN202703262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220298635 CN202703262U (en) 2012-06-25 2012-06-25 Wheel driving device and vehicle including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220298635 CN202703262U (en) 2012-06-25 2012-06-25 Wheel driving device and vehicle including the same

Publications (1)

Publication Number Publication Date
CN202703262U true CN202703262U (en) 2013-01-30

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CN 201220298635 Expired - Lifetime CN202703262U (en) 2012-06-25 2012-06-25 Wheel driving device and vehicle including the same

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507628A (en) * 2012-06-25 2014-01-15 比亚迪股份有限公司 Wheel driving device and vehicle comprising wheel driving device
CN104482189A (en) * 2014-11-24 2015-04-01 武汉东方枫火通用技术有限公司 Lubricating type gearbox with main box and secondary box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507628A (en) * 2012-06-25 2014-01-15 比亚迪股份有限公司 Wheel driving device and vehicle comprising wheel driving device
CN103507628B (en) * 2012-06-25 2016-04-27 比亚迪股份有限公司 A kind of wheel hub drive and comprise the vehicle of this wheel hub drive
CN104482189A (en) * 2014-11-24 2015-04-01 武汉东方枫火通用技术有限公司 Lubricating type gearbox with main box and secondary box
CN104482189B (en) * 2014-11-24 2017-02-01 武汉东方枫火通用技术有限公司 Lubricating type gearbox with main box and secondary box

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130130

Effective date of abandoning: 20160427

AV01 Patent right actively abandoned

Granted publication date: 20130130

Effective date of abandoning: 20160427

C25 Abandonment of patent right or utility model to avoid double patenting