CN208439006U - Wheel hub drive and vehicle - Google Patents

Wheel hub drive and vehicle Download PDF

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Publication number
CN208439006U
CN208439006U CN201821031527.0U CN201821031527U CN208439006U CN 208439006 U CN208439006 U CN 208439006U CN 201821031527 U CN201821031527 U CN 201821031527U CN 208439006 U CN208439006 U CN 208439006U
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China
Prior art keywords
wheel hub
wheel
level
arm
down mechanism
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CN201821031527.0U
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Chinese (zh)
Inventor
杨浩
吴星
吴超
梁卫刚
史玉红
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Zhejiang PanGood Power Technology Co Ltd
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Core Drive Technology (jinhua) Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86Optimisation of rolling resistance, e.g. weight reduction 

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  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The utility model discloses a kind of wheel hub drive and vehicles, wheel hub drive includes: independent suspension, is located at the wheel hub and driving part of independent suspension two sides, primary speed-down mechanism, two reduction gear connects the semiaxis of primary speed-down mechanism and two reduction gear;Wherein, driving part passes through primary speed-down mechanism, semiaxis and the rotation of two reduction gear drive hub;Independent suspension includes: upper arm, and lower arm connects the intermediate supports arm of upper and lower arms, the outer end cap being fixedly connected with intermediate supports arm;Driving part is set on outer end cap, and primary speed-down mechanism is arranged between support arm and outer end cap, and two reduction gear is located at side of the wheel hub far from intermediate supports arm;Primary speed-down mechanism and two reduction gear are planetary gear mechanism.Above-mentioned wheel hub drive can reduce complete vehicle weight, increase the course continuation mileage of vehicle;The entire occupied space of deceleration mechanism is also reduced, the width of vehicle central gangway is increased.

Description

Wheel hub drive and vehicle
Technical field
The utility model relates to Direct wheel drives technical fields, more specifically to a kind of wheel hub drive and vehicle.
Background technique
Direct wheel drives bridge has many advantages, such as that transmission efficiency is higher, energy utilization rate is higher, applies in new energy vehicle It is more and more.
Direct wheel drives mostly use greatly the drive axle structure with C-type beam, and this structural span is larger, whole cumbersome, in Between passageway it is relatively narrow, energy density is lower, can not play the advantage of new energy well.And use the drive of double cross arm independent suspension Dynamic bridge, two sides wheel can move alone and be independent of each other;Nonspring carried mass is reduced, the ride comfort of vehicle is conducive to;Using disconnected Open type vehicle bridge can reduce engine location, reduce vehicle center of gravity;Wheel movement space is larger, can reduce suspension rate, change Kind ride comfort.
For the wheel hub drive using double cross arm independent suspension, motor is slowed down by reduction gearbox and motor passes through Reduction gearbox drives vehicle wheel rotation.Since reduction gearbox volume is larger, weight is larger, then causes complete vehicle weight larger, the continuation of the journey of vehicle Mileage is smaller.
In conclusion how to design wheel hub drive, to reduce complete vehicle weight, increases the course continuation mileage of vehicle, be mesh Preceding those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, to reduce complete vehicle weight, increasing vehicle the purpose of the utility model is to provide a kind of wheel hub drive Course continuation mileage.The another object of the utility model is to provide a kind of vehicle with above-mentioned wheel hub drive.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of wheel hub drive, comprising:
Independent suspension, is located at the wheel hub and driving part of the independent suspension two sides, primary speed-down mechanism, and second level subtracts Fast mechanism connects the semiaxis of the primary speed-down mechanism and the two reduction gear;
Wherein, the driving part is driven by the primary speed-down mechanism, the semiaxis and the two reduction gear The hub rotation;
The independent suspension includes: upper arm, and lower arm connects the intermediate supports arm of the upper arm and the lower arm, and described The outer end cap that intermediate supports arm is fixedly connected;The driving part is set on the outer end cap, and the primary speed-down mechanism is set It sets between the support arm and the outer end cap, the two reduction gear is located at the wheel hub far from the intermediate supports arm Side;
The primary speed-down mechanism and the two reduction gear are planetary gear mechanism.
Preferably, the primary speed-down mechanism includes: sun wheel shaft, the level-one sun being set in the sun wheel shaft Wheel, the primary planet wheel engaged with the level-one sun gear, the level-one outer gear ring engaged with the primary planet wheel;
Wherein, the primary planet wheel is set to the outer end cap, and the level-one outer gear ring and the semiaxis are sequentially connected, The drive shaft of the driving part and the sun wheel shaft are sequentially connected.
Preferably, the sun wheel shaft and the level-one sun gear are an integral structure.
Preferably, the two reduction gear includes: planet carrier, the secondary planet wheel being fixed on the planet carrier, with The second level outer gear ring of the secondary planet wheel engagement, the secondary solar gear engaged with the secondary planet wheel;
Wherein, the secondary solar gear is set to the semiaxis, and the second level outer gear ring is fixed with the intermediate supports arm It is connected, the planet carrier is fixedly linked with the wheel hub.
Preferably, the secondary solar gear is an integral structure with the semiaxis.
Preferably, the second level outer gear ring is fixedly linked by axle tube and the intermediate supports arm;
The axle tube is coated at the semiaxis, and one end and the independent suspension of the axle tube are fixedly linked, described The other end of axle tube is fixedly linked with the second level outer gear ring;
The second level outer gear ring is coated at the axle tube, and the axle tube and the second level outer gear ring are and institute State hub rotation cooperation.
Preferably, the two reduction gear further includes deceleration shell, and the planet carrier passes through the deceleration shell and institute Wheel hub is stated to be fixedly linked.
Preferably, the independent suspension further include: the damper and air bag being fixed on the intermediate supports arm, for connecting Pick up the bracket of frame and the damper, and the mounting plate for connecting the vehicle frame and the air bag.
Based on the wheel hub drive of above-mentioned offer, the utility model additionally provides a kind of vehicle, which includes wheel side Driving device, the wheel hub drive are wheel hub drive described in any of the above embodiments.
Wheel hub drive provided by the utility model, by the way that driving part and wheel hub are separately positioned on independent suspension Two sides, and primary speed-down mechanism is arranged between the intermediate supports arm of independent suspension and outer end cap, two reduction gear is located at wheel Side of the hub far from intermediate supports arm is utilized solely in this way, primary speed-down mechanism takes full advantage of the self structure of independent suspension Vertical suspension plays the role of the shell of primary speed-down mechanism, the shell that primary speed-down mechanism is separately provided is no longer needed to, to subtract Small weight, then can reduce complete vehicle weight, increase the course continuation mileage of vehicle.
Meanwhile in wheel hub drive provided by the utility model, primary speed-down mechanism takes full advantage of independent suspension Self structure effectively reduces the entire occupied space of deceleration mechanism, to reduce without individually occupying additional space The volume of entire deceleration mechanism;In the vehicle width direction, wheel hub drive the space occupied is effectively reduced, to increase The width of vehicle central gangway.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of wheel hub drive provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of two reduction gear in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, wheel hub drive provided by the embodiment of the utility model includes: independent suspension, respectively position Wheel hub 1 and driving part 13 in independent suspension two sides, primary speed-down mechanism, two reduction gear connect primary speed-down mechanism With the semiaxis 10 of two reduction gear.
Above-mentioned driving part 13 is rotated by primary speed-down mechanism, semiaxis 10 and two reduction gear drive hub 1.It can be with Understanding, primary speed-down mechanism and two reduction gear are separately positioned on the both ends of semiaxis 10, and primary speed-down mechanism passes through half Axis 10 and two reduction gear are sequentially connected.
Above-mentioned independent suspension includes: upper arm 16, and lower arm 17 connects the intermediate supports arm 15 of upper arm 16 and lower arm 17, in Between the outer end cap 24 that is fixedly connected of support arm 15;Driving part 13 is set on outer end cap 24, and the setting of primary speed-down mechanism is being propped up Between brace and outer end cap 24, two reduction gear is located at side of the wheel hub 1 far from support arm.
Above-mentioned driving part 13 is motor, can be other rotary driving parts, such as rotary cylinder etc..Above-mentioned independent suspension For double cross arm independent suspension.Certainly, above-mentioned independent suspension can also be selected as needed for other types, it is not limited to this.
Wheel hub drive provided by the embodiment of the utility model, by the way that driving part 13 and wheel hub 1 to be separately positioned on The two sides of independent suspension, and primary speed-down mechanism is arranged between the intermediate supports arm 15 of independent suspension and outer end cap 24, second level Deceleration mechanism is located at side of the wheel hub 1 far from intermediate supports arm 15, in this way, primary speed-down mechanism takes full advantage of independent suspension The shell that independent suspension plays the role of primary speed-down mechanism is utilized in self structure, no longer needs to that primary speed-down is separately provided The shell of mechanism can then reduce complete vehicle weight to reduce weight, increase the course continuation mileage of vehicle.
Meanwhile in wheel hub drive provided by the embodiment of the utility model, primary speed-down mechanism takes full advantage of independence The self structure of suspension effectively reduces the entire occupied space of deceleration mechanism without individually occupancy additional space, thus Reduce the volume of entire deceleration mechanism;Correspondingly, in the vehicle width direction, effectively reducing the sky of wheel hub drive occupancy Between, to increase the width of vehicle central gangway.
Into one, primary speed-down mechanism and two reduction gear are planetary gear mechanism, further reduce wheel side and drive Dynamic device the space occupied in the vehicle width direction, increases the width of vehicle central gangway;Simultaneously, it can be achieved that compared with large transmission ratio Deceleration transmission and compact-sized high-power transmission.
It for the concrete type and structure of planetary gear mechanism, is designed according to actual needs, the utility model is implemented Example does not limit this.
Preferably, above-mentioned primary speed-down mechanism includes: sun wheel shaft 20, the level-one sun being set in sun wheel shaft 20 Wheel, the primary planet wheel 12 engaged with level-one sun gear, the level-one outer gear ring 11 engaged with primary planet wheel 12;Wherein, level-one Planetary gear 12 is set to outer end cap 24, and level-one outer gear ring 11 and semiaxis 10 are sequentially connected, the drive shaft 14 of driving part 13 with too Positive wheel shaft 20 is sequentially connected.
For the ease of installation, the drive shaft 14 of above-mentioned driving part 13 is connected with input shaft 12 by spline drived.Certainly, Also other modes may be selected and realize transmission connection, it is not limited to this.
In order to simplify structure and installation, above-mentioned sun wheel shaft 20 and level-one sun gear are an integral structure.Certainly, also optional Selecting above-mentioned integral structure is split type structure, it is not limited to this.
Preferably, above-mentioned two reduction gear includes: planet carrier 5, the secondary planet wheel 6 being fixed on planet carrier 5, with two The second level outer gear ring 9 that grade planetary gear 6 engages, the secondary solar gear 19 engaged with secondary planet wheel 6;Wherein, secondary solar gear 19 It is set to semiaxis 10, second level outer gear ring 9 is fixedly linked with intermediate supports arm 15, and planet carrier 5 is fixedly linked with wheel hub 1.
As shown in Fig. 2, secondary planet wheel 6 is mounted on planet wheel spindle 7, when two reduction gear further includes deceleration shell 4 When, planet wheel spindle 7 and deceleration shell 4 are relatively fixed.
In order to simplify structure and installation, above-mentioned secondary solar gear 19 is preferentially selected to be an integral structure with semiaxis 10.Certainly, Also it is two individual components that secondary solar gear 19, which may be selected, with semiaxis 10, it is not limited to this.
Second level outer gear ring 9 and intermediate supports arm 15 are fixedly linked, and there are a variety of connection structures.It is above-mentioned for the ease of assembly Second level outer gear ring 9 is fixedly linked by axle tube 8 with intermediate supports arm 15.The axle tube 8 is coated at semiaxis 10, half-axile sleeve One end of pipe 8 is fixedly linked with independent suspension, and the other end and the second level outer gear ring 9 of axle tube 8 are fixedly linked;Second level outer gear ring 9 are coated at axle tube 8, and axle tube 8 and second level outer gear ring 9 are rotatably assorted with wheel hub 1.
Specifically, axle tube 8 is rotatably assorted with wheel hub 1 by first bearing 2, and second level outer gear ring 9 passes through second bearing 3 It is rotatably assorted with wheel hub 1.
It is understood that semiaxis 10 can rotate in axle tube 8.
Above-mentioned planet carrier 5 is fixedly linked with wheel hub 1, and there are various structures.For the ease of installation, above-mentioned two reduction gear It further include deceleration shell 4, planet carrier 5 is fixedly linked by deceleration shell 4 with wheel hub 1.
Specifically, deceleration shell 4 is coated at planet carrier 5, and planet carrier 5 is fixedly connected with deceleration shell 4, deceleration shell 4 with Wheel hub 1 is fixedly connected.
In above structure, by the way that deceleration shell 4 is arranged, the protection to two reduction gear is also achieved, use is extended Service life.
In order to improve damping effect, above-mentioned independent suspension further include: 23 He of damper being fixed on intermediate supports arm 15 Air bag 18, for the bracket 22 of connecting vehicle frame and damper 23, and for the mounting plate 21 of connecting vehicle frame and air bag 18.
Specifically, one end of bracket 22 is fixedly connected with damper 23, and the other end of bracket 22 is used for and the fixed company of vehicle frame It connects;One end of mounting plate 21 is fixedly connected with air bag 18, and the other end of mounting plate 21 with vehicle frame for being fixedly connected.
In above-mentioned independent suspension, upper arm 16 and lower arm 17 are fixedly connected with vehicle frame, for the ease of connecting and improving support Performance, above-mentioned upper arm 16 and lower arm 17 are in A font.Certainly, above-mentioned upper arm 16 also may be selected and lower arm 17 is other shapes, and It is not limited to this.
Wheel hub drive provided by the embodiment of the utility model has the advantage that
Wheel movement space is larger, can reduce suspension rate, improves ride comfort;
Nonspring carried mass is reduced, the ride comfort of automobile is conducive to;
Two sides wheel can move alone and be independent of each other;
Realize the deceleration transmission of large transmission ratio;
Realize compact-sized high-power transmission;
Help to mitigate gross combination weight, increases vehicle central gangway width, increase the course continuation mileage of vehicle.
The wheel hub drive provided based on the above embodiment, the utility model embodiment additionally provide a kind of vehicle, should Vehicle includes wheel hub drive, which is wheel hub drive described in above-described embodiment.
Since above-mentioned wheel hub drive has above-mentioned technique effect, above-mentioned vehicle includes above-mentioned wheel hub drive, then Above-mentioned vehicle also has corresponding technical effect, and repeats no more herein.
Preferably, above-mentioned vehicle is new energy vehicle.Certainly, it is other types that above-mentioned vehicle, which also may be selected, is not limited to In this.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model. Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase Consistent widest scope.

Claims (9)

1. a kind of wheel hub drive characterized by comprising
Independent suspension, is located at the wheel hub (1) and driving part (13) of the independent suspension two sides, primary speed-down mechanism, and two Grade deceleration mechanism, connects the semiaxis (10) of the primary speed-down mechanism and the two reduction gear;
Wherein, the driving part (13) passes through the primary speed-down mechanism, the semiaxis (10) and the two reduction gear The wheel hub (1) is driven to rotate;
The independent suspension includes: upper arm (16), and lower arm (17) connects the intermediate branch of the upper arm (16) and the lower arm (17) Brace (15), the outer end cap (24) being fixedly connected with the intermediate supports arm (15);The driving part (13) is set to described On outer end cap (24), the primary speed-down mechanism is arranged between the support arm and the outer end cap (24), and the second level subtracts Fast mechanism is located at side of the wheel hub (1) far from the intermediate supports arm (15);
The primary speed-down mechanism and the two reduction gear are planetary gear mechanism.
2. wheel hub drive according to claim 1, which is characterized in that
The primary speed-down mechanism includes: sun wheel shaft (20), the level-one sun gear being set on the sun wheel shaft (20), with The primary planet wheel (12) of the level-one sun gear engagement, the level-one outer gear ring (11) engaged with the primary planet wheel (12);
Wherein, the primary planet wheel (12) is set to the outer end cap (24), the level-one outer gear ring (11) and the semiaxis (10) it is sequentially connected, the drive shaft (14) of the driving part (13) and the sun wheel shaft (20) are sequentially connected.
3. wheel hub drive according to claim 2, which is characterized in that the sun wheel shaft (20) and the level-one are too Sun wheel is an integral structure.
4. wheel hub drive according to claim 1, which is characterized in that
The two reduction gear includes: planet carrier (5), the secondary planet wheel (6) being fixed on the planet carrier (5), with institute State the second level outer gear ring (9) of secondary planet wheel (6) engagement, the secondary solar gear (19) engaged with the secondary planet wheel (6);
Wherein, the secondary solar gear (19) is set to the semiaxis (10), the second level outer gear ring (9) and the intermediate supports Arm (15) is fixedly linked, and the planet carrier (5) is fixedly linked with the wheel hub (1).
5. wheel hub drive according to claim 4, which is characterized in that the secondary solar gear (19) and the semiaxis (10) it is an integral structure.
6. wheel hub drive according to claim 4, which is characterized in that
The second level outer gear ring (9) is fixedly linked by axle tube (8) with the intermediate supports arm (15);
The axle tube (8) is coated at the semiaxis (10), one end of the axle tube (8) and independent suspension stationary phase Even, the other end of the axle tube (8) is fixedly linked with the second level outer gear ring (9);
The second level outer gear ring (9) is coated at the axle tube (8), and the axle tube (8) and the second level outer gear ring (9) it is rotatably assorted with the wheel hub (1).
7. wheel hub drive according to claim 4, which is characterized in that the two reduction gear further includes outside slowing down Shell (4), the planet carrier (5) are fixedly linked by the deceleration shell (4) with the wheel hub (1).
8. wheel hub drive described in any one of -7 according to claim 1, which is characterized in that the independent suspension also wraps Include: the damper (23) and air bag (18) being fixed on the intermediate supports arm (15) are used for connecting vehicle frame and the damper (23) bracket (22), and the mounting plate (21) for connecting the vehicle frame and the air bag (18).
9. a kind of vehicle, including wheel hub drive, which is characterized in that the wheel hub drive is as in claim 1-8 Described in any item wheel hub drives.
CN201821031527.0U 2018-07-02 2018-07-02 Wheel hub drive and vehicle Active CN208439006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821031527.0U CN208439006U (en) 2018-07-02 2018-07-02 Wheel hub drive and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821031527.0U CN208439006U (en) 2018-07-02 2018-07-02 Wheel hub drive and vehicle

Publications (1)

Publication Number Publication Date
CN208439006U true CN208439006U (en) 2019-01-29

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CN201821031527.0U Active CN208439006U (en) 2018-07-02 2018-07-02 Wheel hub drive and vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021072518A1 (en) * 2019-10-16 2021-04-22 CNH Industrial Brasil Ltda. Wheel hub for mounting a wheel on an axle of a work vehicle
CN113459746A (en) * 2021-07-13 2021-10-01 上海崟冠智能科技有限公司 Vehicle longitudinal swing arm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021072518A1 (en) * 2019-10-16 2021-04-22 CNH Industrial Brasil Ltda. Wheel hub for mounting a wheel on an axle of a work vehicle
CN113459746A (en) * 2021-07-13 2021-10-01 上海崟冠智能科技有限公司 Vehicle longitudinal swing arm

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GR01 Patent grant
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CP01 Change in the name or title of a patent holder

Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang

Patentee after: Zhejiang Panhu Power Technology Co., Ltd.

Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang

Patentee before: Core drive technology (Jinhua) Co., Ltd.

CP01 Change in the name or title of a patent holder