CN207466352U - A kind of electric vehicle and its Direct wheel drives mechanism - Google Patents
A kind of electric vehicle and its Direct wheel drives mechanism Download PDFInfo
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- CN207466352U CN207466352U CN201721061257.3U CN201721061257U CN207466352U CN 207466352 U CN207466352 U CN 207466352U CN 201721061257 U CN201721061257 U CN 201721061257U CN 207466352 U CN207466352 U CN 207466352U
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Abstract
The utility model is related to take turns side transmission system field, more particularly to electric vehicle and its Direct wheel drives mechanism.Direct wheel drives mechanism includes motor and axle housing, motor is connected with hub reduction gear, further include the semiaxis being sequentially connected with hub reduction gear, semiaxis is connected with to be arranged on planetary system speed reducer structure on the inside of wheel hub, one end of semiaxis is the wheel hub fixing end for being fixedly connected with wheel hub, the planetary system fixing end that the other end is connect with planetary system deceleration mechanism, the output shaft of the hub reduction gear are connect with planetary system deceleration mechanism, and semiaxis is sequentially connected by planetary gear speed reducing mechanism and wheel hem retarding mechanism.The planetary system deceleration mechanism of the Direct wheel drives mechanism of the utility model is in the same side of wheel hub with motor and hub reduction gear, it is compact-sized, planetary system deceleration mechanism can use same set of lubricating oil system with hub reduction gear, solve the problems, such as that the seal structure complex of current Direct wheel drives mechanism, double reduction gear are difficult to share lubricating oil system.
Description
Technical field
The utility model is related to take turns side transmission system field, more particularly to electric vehicle and its Direct wheel drives mechanism.
Background technology
With drastically riseing for car ownership, automobile bring the earth energy shortage and atmosphere polluting problem it is increasingly tight
Weight, new-energy automobile especially pure electric automobile become the direction that major producer actively researches and develops, Direct wheel drives dynamical system indifference
Fast device, small, light-weight, efficient, integrated level is high, NVH performances are good, Direct wheel drives dynamical system is arranged in wheel end, vehicle
It can realize fat pipe, full low-floor has wide prospect in public transport BUS fields.
Driven motor vehicle is driven using motor, main reducing gear centralization or using motor, retarder or speed change
Device, the driving of main reducing gear centralization, main reducing gear working efficiency is low, and noise is big, and volume is big, quality weight.Although transmission biasing bridge
It can realize low-floor, fat pipe, however, there remains main reducing gears to change torque direction of transfer, main reducing gear working efficiency
Low, noise is big, and vehicle comfort is poor.
The Chinese patent that application publication number is CN102555773A, data of publication of application is 2012.07.11 discloses a kind of electricity
Motor-car low-floor gate-type wheel-side motor rear axle, including axle housing, motor, first stage decelerator, two stage reducer and retarder
Housing forward end be connected with axle housing, motor stator is fixed in first stage decelerator housing forward end, rotor and motor shaft output shaft phase
Even, motor output shaft rotation is driven, motor output shaft is axially parallel with wheel hub, and two stage reducer is driven using planetary system, braking
Device is installed in outside the housing of first stage decelerator, for brake hub, motor, first stage decelerator, two stage reducer, brake and wheel
Hub is arranged symmetrically at left and right sides of axle housing, and this electric vehicle side drive axle motor is integrated in axle housing, power direction of transfer
It is parallel with the axial direction of wheel hub, wheel is driven using double reduction gear, main reducing gear is eliminated, improves transmission efficiency, simultaneously
Vehicle comfort type is also improved, but the planetary system deceleration mechanism of this wheel is arranged on the outside of wheel hub, planetary system speed reducer
Structure is separately positioned on the both sides of wheel hub with motor, and the seal structure complex of whole system, double reduction gear is caused to be difficult to share profit
The problem of oil system.
Utility model content
The purpose of this utility model is to provide a kind of Direct wheel drives mechanism, to solve the planet of current Direct wheel drives mechanism
Seal structure complex, double reduction gear are difficult to share lubricating oil system caused by be deceleration mechanism be arranged on the both sides of wheel hub with motor
The problem of system.In addition, the purpose of this utility model, which also resides in, provides a kind of electric vehicle using above-mentioned Direct wheel drives mechanism.
To achieve the above object, the first technical solution of the Direct wheel drives mechanism of the utility model is：Including motor and
For being arranged on the axle housing on the inside of wheel hub, motor is connected with hub reduction gear, further includes half to be sequentially connected with hub reduction gear
Axis, it is characterised in that：The semiaxis is connected with for being arranged on planetary system speed reducer structure on the inside of wheel hub, and one end of the semiaxis is
For the wheel hub fixing end being fixedly connected with wheel hub, planetary system fixing end that the other end is connect with planetary system deceleration mechanism is described
The output shaft of hub reduction gear is connect with planetary system deceleration mechanism, and semiaxis is driven by planetary gear speed reducing mechanism and wheel hem retarding mechanism
Connection.
Second of technical solution of the Direct wheel drives mechanism of the utility model be：In the Direct wheel drives mechanism of the utility model
The first technical solution on the basis of, the planetary system deceleration mechanism is in axle housing, save space, Direct wheel drives mechanism cloth
Office is compact.
The third technical solution of the Direct wheel drives mechanism of the utility model is：In the Direct wheel drives mechanism of the utility model
Second of technical solution on the basis of, hub reduction gear includes hub reduction gear housing and being arranged in hub reducer casing body
Retarder main body, described axle housing one end is used for and the central siphon in wheel hub is removable is fixedly connected, the other end and hub reduction
Device housing is removable to be fixedly connected, and facilitates the replacement of planetary system deceleration mechanism.
4th kind of technical solution of the Direct wheel drives mechanism of the utility model be：In the Direct wheel drives mechanism of the utility model
The third technical solution on the basis of, the hub reduction gear is separately set with motor, electric machine casing and hub reducer casing
Body is removable to be fixedly connected, and facilitates the replacement of motor and hub reduction gear.
5th kind of technical solution of the Direct wheel drives mechanism of the utility model be：In the Direct wheel drives mechanism of the utility model
The first on the basis of any one of the 4th kind technical solution, on hub reduction gear with the input shaft and row of motor axis connection
The output shaft of galaxy deceleration mechanism connection is in side of the hub reduction gear towards wheel hub, reduces the occupancy of Direct wheel drives mechanism
Space, layout are more flexible.
6th kind of technical solution of the Direct wheel drives mechanism of the utility model be：In the Direct wheel drives mechanism of the utility model
The first on the basis of any one of the 4th kind technical solution, the motor is arranged on the radial side of axle housing, improves system
Compactness can increase Bus inner layout space.
7th kind of technical solution of the Direct wheel drives mechanism of the utility model be：In the Direct wheel drives mechanism of the utility model
The 6th kind of technical solution on the basis of, the motor is arranged on front side or the rear side of axle housing.
To achieve the above object, the first technical solution of the electric vehicle of the utility model is：Including vehicle body and setting
Direct wheel drives mechanism on vehicle body, vehicle body include wheel hub and the central siphon being installed in wheel hub, and Direct wheel drives mechanism includes motor
With the axle housing being arranged on the inside of wheel hub, motor is connected with hub reduction gear, further includes the semiaxis being sequentially connected with hub reduction gear,
The semiaxis, which is connected with, is arranged on planetary system speed reducer structure on the inside of wheel hub, and one end of the semiaxis is the wheel being fixedly connected with wheel hub
Hub fixing end, the planetary system fixing end that the other end is connect with planetary system deceleration mechanism, the output shaft and row of the hub reduction gear
Galaxy deceleration mechanism connects, and semiaxis is sequentially connected by planetary gear speed reducing mechanism and wheel hem retarding mechanism.
Second of technical solution of the electric vehicle of the utility model be：In the first of the electric vehicle of the utility model
On the basis of technical solution, the planetary system deceleration mechanism is in axle housing.
The third technical solution of the electric vehicle of the utility model is：At second of the electric vehicle of the utility model
On the basis of technical solution, hub reduction gear includes hub reduction gear housing and the retarder being arranged in hub reducer casing body
Main body, for being fixedly connected with the central siphon in wheel hub, the housing of the other end and hub reduction gear is fixed for described axle housing one end
Connection.
4th kind of technical solution of the electric vehicle of the utility model be：In the third of the electric vehicle of the utility model
On the basis of technical solution, the hub reduction gear is separately set with motor, and electric machine casing is removable solid with hub reduction gear housing
Fixed connection.
5th kind of technical solution of the electric vehicle of the utility model be：In the first of the electric vehicle of the utility model
To any one of the 4th kind technical solution, slow down on hub reduction gear with the input shaft of motor axis connection and planetary system
The output shaft of mechanism connection is in side of the hub reduction gear towards wheel hub.
6th kind of technical solution of the electric vehicle of the utility model be：The of the Direct wheel drives mechanism of the utility model
On the basis of one kind to any one of the 4th kind technical solution, the motor is arranged on the radial side of axle housing, improves system compact
Degree, can increase Bus inner layout space.
7th kind of technical solution of the electric vehicle of the utility model be：The of the Direct wheel drives mechanism of the utility model
On the basis of six kinds of technical solutions, the motor is arranged on front side or the rear side of axle housing.
The beneficial effects of the utility model are：The planetary system deceleration mechanism of the Direct wheel drives mechanism of the utility model is in wheel
The inside of hub sets planetary system deceleration mechanism and the Direct wheel drives mechanism phase of hub reduction gear on wheel hub both sides respectively with current
Than planetary system deceleration mechanism and the motor and hub reduction gear of the Direct wheel drives mechanism of the utility model are in the same of wheel hub
Side, compact-sized, planetary system deceleration mechanism can use same set of lubricating oil system with hub reduction gear, solve current wheel
Seal structure complex, double reduction gear caused by the planetary system deceleration mechanism of side driving mechanism is arranged on the both sides of wheel hub with motor
The problem of being difficult to share lubricating oil system.
Description of the drawings
Fig. 1 is the structure diagram of the Direct wheel drives mechanism of the specific embodiment 1 of the electric vehicle of the utility model；
Fig. 2 is the structure diagram of the Direct wheel drives mechanism of the specific embodiment 2 of the electric vehicle of the utility model；
Fig. 3 is the structure diagram of the Direct wheel drives mechanism of the specific embodiment 3 of the electric vehicle of the utility model；
Fig. 4 is the structure diagram of the Direct wheel drives mechanism of the specific embodiment 4 of the electric vehicle of the utility model；
Fig. 5 is the structure diagram of the Direct wheel drives mechanism of the specific embodiment 5 of the electric vehicle of the utility model.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the electric vehicle of the utility model, electric vehicle include vehicle body and the wheel side being arranged on vehicle body
Driving mechanism, as shown in Figure 1, vehicle body includes wheel, wheel includes tire 1, wheel rim 2, wheel hub 3 and is rotatably assorted with wheel hub 3
Central siphon 4 is equipped with rolling bearing 5, brake 6 and brake disc 7 is additionally provided on wheel between wheel hub 3 and central siphon 4.Direct wheel drives mechanism
Axle housing 9 including motor 8 and for being arranged on the inside of wheel hub 3, motor 8 are connected with hub reduction gear 10, in the present embodiment, take turns side
Retarder 10 uses two-stage parallel axis retarder.Be equipped in axle housing 9 semiaxis 11 that is sequentially connected with hub reduction gear 10 and
The planetary system deceleration mechanism 12 being connect with hub reduction gear 10, semiaxis 11 pass through planetary system deceleration mechanism 12 and hub reduction gear 10
It is sequentially connected.
One end of semiaxis 11 is the wheel hub fixing end for being fixedly connected with wheel hub 3, the other end and planetary system deceleration mechanism
The planetary system fixing end of 12 connections.The output shaft of hub reduction gear 10 is connect with planetary system deceleration mechanism 12.Specifically, planetary system
Deceleration mechanism 12 includes sun gear 121 and planetary gear 122, and the output shaft of planetary system deceleration mechanism 12 is fixed with planetary gear 122 to be connected
It connects, the planetary system fixing end of semiaxis 11 is fixedly connected with the output shaft of planetary system deceleration mechanism 12, the output of hub reduction gear 10
Axis is fixedly connected with the input shaft of planetary system deceleration mechanism 12, and the input shaft of planetary system deceleration mechanism is fixed with sun gear 121 to be connected
It connects.
Hub reduction gear 10 includes housing of wheel reduction gear and the reduction body being arranged in hub reduction gear, and motor 8 wraps
Include motor housing and the movement being arranged in motor housing, motor housing with the shell of hub reduction gear is removable is fixedly connected, side
Just motor and hub reduction gear are replaced as needed.In the present embodiment, motor 8 is arranged on the front side of axle housing 9.
Planetary system deceleration mechanism 12 is fixed in axle housing 9, and one end and the central siphon 4 of axle housing 9 are fixed, the other end and hub reduction
The removable fixation of device shell, facilitates the dismounting of axle housing 9, can realize the replacement to 12 model of planetary system deceleration mechanism as needed.
In the present embodiment the output shaft of planetary system deceleration mechanism 12 extend on axle housing 9 with 4 fixed one end of central siphon.
Releasable connection between hub reduction gear 10, motor 8, axle housing 9 in the present embodiment so that Direct wheel drives mechanism can
Realize modularization, when the planetary system deceleration mechanism 12 in hub reduction gear 10, motor 8, axle housing 9 is needed replacing or is repaired,
It can quickly realize replacement.10 speed ratio of hub reduction gear or planetary system deceleration mechanism can be changed according to Car design use demand
12 speed compares to change output torque, large speed ratio Large-torsion transmisson easy to implement.
Planetary system deceleration mechanism 12 in the present embodiment is arranged in axle housing 9, and planetary system deceleration mechanism 12 and wheel side
Retarder 10 is adjacently positioned so that the more compact structure of the Direct wheel drives mechanism of the utility model easily seals, hub reduction gear
10th, motor 8, planetary system deceleration mechanism 12 can use same set of lubricating oil system, simplify the arrangement of lubricating oil system.
In the present embodiment, the input shaft of hub reduction gear 10 is fixedly connected with motor shaft, the output shaft of hub reduction gear 10
It is fixedly connected with the input shaft of planetary system deceleration mechanism 12, wherein the input shaft of hub reduction gear 10 and output shaft are in wheel side
Retarder 10 is towards the side of wheel hub 3.Hub reduction gear 10 is with motor 8, axle housing 9 in triangle disposition arrangement, compact-sized, motor
The inside of 8 arrangement wheel hubs 3, angle can arbitrarily arrange that system integral arrangement is flexible with 10 mounting inclination angle degree of hub reduction gear
It is changeable.8 retarder location flexible arrangement of motor, is conducive to arrangement.
The Direct wheel drives mechanism axle device without differential of the utility model electric vehicle, small, light-weight, efficient, integrated level
Height, NVH performances are good.Electric vehicle in the present embodiment drives bridge for independent suspension electricity, and intermediate axle shell corresponds to independent suspension electricity and drives bridge
Bridge tube.In other embodiment, electric vehicle can also drive bridge using rigid electric, and axle housing corresponds to the branch that rigid electric drives bridge at this time
Brace.
The specific embodiment 2 of the electric vehicle of the utility model, electric vehicle and above-mentioned specific implementation in the present embodiment
Example 1 differs only in：As shown in Fig. 2, motor 8 is arranged on the rear side of axle housing 9 in the present embodiment.
The specific embodiment 3 of the electric vehicle of the utility model, electric vehicle and above-mentioned specific implementation in the present embodiment
Example 2 differs only in：As shown in figure 3, in the present embodiment, planetary system deceleration mechanism 12 is positioned close to wheel hub 3 and sets.
The specific embodiment 4 of the electric vehicle of the utility model, electric vehicle and above-mentioned specific implementation in the present embodiment
Example 2 differs only in：As shown in figure 4, in the present embodiment, planetary system deceleration mechanism 12 includes sun gear 4121, planetary gear
4122 and gear ring, the output shaft of planetary system deceleration mechanism 12 be fixedly connected with gear ring, the planetary system fixing end and planet of semiaxis 11
It is that the output shaft of deceleration mechanism 12 is fixedly connected.
The specific embodiment 5 of the electric vehicle of the utility model, electric vehicle and above-mentioned specific implementation in the present embodiment
Example 4 differs only in：As shown in figure 5, motor 8 is arranged on the front side of axle housing 9 in the present embodiment.
The specific embodiment of the Direct wheel drives mechanism of the utility model, the structure of the Direct wheel drives mechanism in the present embodiment with
The structure of Direct wheel drives mechanism in the specific embodiment 1-5 of above-mentioned electric vehicle described in any one embodiment is identical, no
It repeats again.
In the electric vehicle of the utility model and its other embodiment of Direct wheel drives mechanism, hub reduction gear can be single
Grade parallel axle speed reducing machine structure etc.；It can be by transmitting axis connection between planetary system deceleration mechanism and hub reduction gear, planetary system subtracts
Fast mechanism can set planetary system deceleration mechanism shell, one end of axle housing with planetary system deceleration mechanism shell is removable is fixedly connected,
Planetary system deceleration mechanism shell with hub reduction gear housing is removable is fixedly connected；Above-mentioned motor can be one with hub reduction gear
Setting；Motor can be arranged with hub reduction gear along the axial direction of wheel hub；Motor can be arranged on the radial side of axle housing, according to
It needs, motor can be arranged on any positions such as axle housing lower section or obliquely downward, oblique upper.
Claims (14)
1. Direct wheel drives mechanism, including motor and for being arranged on the axle housing on the inside of wheel hub, motor is connected with hub reduction gear, also
Including the semiaxis being sequentially connected with hub reduction gear, it is characterised in that：The semiaxis is connected with to be arranged on wheel hub inner row
Galaxy deceleration mechanism, one end of the semiaxis are the wheel hub fixing end for being fixedly connected with wheel hub, and the other end subtracts with planetary system
The planetary system fixing end of fast mechanism connection, the output shaft of the hub reduction gear are connect with planetary system deceleration mechanism, and semiaxis passes through
Planetary gear speed reducing mechanism is sequentially connected with wheel hem retarding mechanism.
2. Direct wheel drives mechanism according to claim 1, it is characterised in that：The planetary system deceleration mechanism is in axle housing
It is interior.
3. Direct wheel drives mechanism according to claim 2, it is characterised in that：Hub reduction gear includes hub reduction gear housing
With the retarder main body being arranged in hub reducer casing body, described axle housing one end is used for removable solid with the central siphon in wheel hub
Fixed connection, the other end with hub reduction gear housing is removable is fixedly connected.
4. Direct wheel drives mechanism according to claim 3, it is characterised in that：The hub reduction gear is set with motor split
Put, electric machine casing with hub reduction gear housing is removable is fixedly connected.
5. according to claim 1-4 any one of them Direct wheel drives mechanism, it is characterised in that：On hub reduction gear with motor shaft
The input shaft of connection is in side of the hub reduction gear towards wheel hub with the output shaft that planetary system deceleration mechanism is connect.
6. according to claim 1-4 any one of them Direct wheel drives mechanism, it is characterised in that：The motor is arranged on axle housing
Radial side.
7. Direct wheel drives mechanism according to claim 6, it is characterised in that：The motor be arranged on axle housing front side or
Rear side.
8. electric vehicle, including vehicle body and the Direct wheel drives mechanism being arranged on vehicle body, vehicle body includes wheel hub and is installed on wheel hub
Interior central siphon, Direct wheel drives mechanism include motor and the axle housing being arranged on the inside of wheel hub, and motor is connected with hub reduction gear, also wraps
Include the semiaxis being sequentially connected with hub reduction gear, it is characterised in that：The semiaxis, which is connected with, to be arranged on planetary system on the inside of wheel hub and subtracts
Fast mechanism, one end of the semiaxis are the wheel hub fixing end being fixedly connected with wheel hub, and the other end is connect with planetary system deceleration mechanism
Planetary system fixing end, the output shaft of the hub reduction gear connect with planetary system deceleration mechanism, and semiaxis passes through planetary reducer
Structure is sequentially connected with wheel hem retarding mechanism.
9. electric vehicle according to claim 8, it is characterised in that：The planetary system deceleration mechanism is in axle housing.
10. electric vehicle according to claim 9, it is characterised in that：Hub reduction gear include hub reduction gear housing and
The retarder main body being arranged in hub reducer casing body, described axle housing one end, which is used to fix with the central siphon in wheel hub, to be connected
It connects, the other end is fixedly connected with the housing of hub reduction gear.
11. electric vehicle according to claim 10, it is characterised in that：The hub reduction gear is separately set with motor,
Electric machine casing with hub reduction gear housing is removable is fixedly connected.
12. according to claim 8-11 any one of them electric vehicles, it is characterised in that：Connect on hub reduction gear with motor shaft
The input shaft connect is in side of the hub reduction gear towards wheel hub with the output shaft that planetary system deceleration mechanism is connect.
13. according to claim 8-11 any one of them electric vehicles, it is characterised in that：The motor is arranged on the diameter of axle housing
To side.
14. electric vehicle according to claim 13, it is characterised in that：The motor be arranged on axle housing front side or after
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061257.3U CN207466352U (en) | 2017-08-23 | 2017-08-23 | A kind of electric vehicle and its Direct wheel drives mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061257.3U CN207466352U (en) | 2017-08-23 | 2017-08-23 | A kind of electric vehicle and its Direct wheel drives mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN207466352U true CN207466352U (en) | 2018-06-08 |
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ID=62268314
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721061257.3U Active CN207466352U (en) | 2017-08-23 | 2017-08-23 | A kind of electric vehicle and its Direct wheel drives mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN207466352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037744A1 (en) * | 2017-08-23 | 2019-02-28 | 郑州宇通客车股份有限公司 | Electric vehicle and hub drive mechanism thereof |
| CN112440641A (en) * | 2019-08-30 | 2021-03-05 | 郑州宇通客车股份有限公司 | Liftable axle type suspension driving system assembly and multi-axle electric vehicle |
-
2017
- 2017-08-23 CN CN201721061257.3U patent/CN207466352U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037744A1 (en) * | 2017-08-23 | 2019-02-28 | 郑州宇通客车股份有限公司 | Electric vehicle and hub drive mechanism thereof |
| CN109421512A (en) * | 2017-08-23 | 2019-03-05 | 郑州宇通客车股份有限公司 | Electric vehicle and its Direct wheel drives mechanism |
| CN112440641A (en) * | 2019-08-30 | 2021-03-05 | 郑州宇通客车股份有限公司 | Liftable axle type suspension driving system assembly and multi-axle electric vehicle |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |