CN109109649A - Reinforce the wheel rim drive device and automobile of braking ability - Google Patents
Reinforce the wheel rim drive device and automobile of braking ability Download PDFInfo
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- CN109109649A CN109109649A CN201811146003.0A CN201811146003A CN109109649A CN 109109649 A CN109109649 A CN 109109649A CN 201811146003 A CN201811146003 A CN 201811146003A CN 109109649 A CN109109649 A CN 109109649A
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000009467 reduction Effects 0.000 claims description 5
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
本发明提供一种加强制动性能的轮辋驱动装置及汽车，所述加强制动性能的轮辋驱动装置包括电机、轮毂、制动机构和传动机构。所述电机具有用以安装于车身的机壳、以及沿横向延伸设置的动力输出轴。所述轮毂用以固定于轮辋，所述轮毂朝横向设置的一端端面凹设形成有容纳腔，所述机壳朝所述轮毂设置的一端伸入所述容纳腔设置，所述轮毂的外侧面凸设有沿所述轮毂的周向呈环形设置的刹车盘，所述刹车盘位于所述轮毂朝所述电机设置的一端端部。所述制动机构安装于所述机壳外，与所述刹车盘制动配合。所述传动机构设于所述容纳腔内，且连接于所述动力输出轴和所述容纳腔的底壁之间。本发明能避免制动机构发生松动，并提高制动的反应速度。
The invention provides a wheel rim driving device and an automobile with enhanced braking performance. The wheel rim driving device with enhanced braking performance includes a motor, a wheel hub, a braking mechanism and a transmission mechanism. The motor has a casing to be mounted on the vehicle body, and a power output shaft extending laterally. The wheel hub is used to be fixed to the rim, the end face of the wheel hub facing laterally is concavely formed with a accommodating cavity, the end of the casing facing the wheel hub is protruding into the accommodating cavity, and the outer side surface of the wheel hub is arranged in the accommodating cavity. A brake disc arranged annularly along the circumferential direction of the wheel hub is protruded, and the brake disc is located at one end of the wheel hub that is arranged toward the motor. The braking mechanism is installed outside the casing and is in braking cooperation with the brake disc. The transmission mechanism is arranged in the accommodating cavity and connected between the power output shaft and the bottom wall of the accommodating cavity. The invention can avoid loosening of the braking mechanism and improve the reaction speed of braking.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of wheel rim drive device and automobile for reinforcing braking ability.
Background technique
The wheel rim drive device of automobile generally includes motor, is connected between motor and wheel rim transmission mechanism is fixed on
The brake disc of wheel rim and the arrestment mechanism (such as: caliper) that braking cooperation is carried out with brake disc.The arrestment mechanism is usual
By applying frictional force to brake disc, the braking to wheel rim is realized.Arrestment mechanism is usually mounted to the vehicle body of automobile, the braking
Disk is generally proximal to wheel rim setting, and farther out with the vehicle body of automobile distance, so that arrestment mechanism usually requires to stretch from the vehicle body of automobile
Longer a distance out could carry out braking cooperation with brake disc.Need the connecting portion of arrestment mechanism and vehicle body
Biggish torque is born, arrestment mechanism is be easy to cause to loosen, and brings security risk.Also, arrestment mechanism is from automobile
Vehicle body stretch out longer a distance and carry out braking cooperation with brake disc, also will affect the reaction speed of arrestment mechanism, lead
Cause automobile that cannot in case of emergency realize braking fast enough.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main object of the present invention is to propose a kind of wheel rim drive device and automobile for reinforcing braking ability, it is intended to avoid making
Motivation structure loosens, and improves the reaction speed of braking.
In order to realize that the above technical purpose, the present invention propose a kind of wheel rim drive device for reinforcing braking ability, comprising:
Motor, the motor have to be installed on the casing of vehicle body and extend transversely the power output shaft of setting；
Wheel hub, to be fixed on wheel rim, the wheel hub is formed with accommodating chamber towards one end end face being laterally arranged is recessed, described
Casing protrudes into the accommodating chamber setting towards one end that the wheel hub is arranged, and the lateral surface of the wheel hub is convexly equipped with along the wheel hub
The circumferential brake disc being arranged in a ring, the brake disc are located at one end end that the wheel hub is arranged towards the motor；
Arrestment mechanism is installed on the outside of the casing, brakes and cooperates with the brake disc；
Transmission mechanism is set in the accommodating chamber, and be connected to the power output shaft and the accommodating chamber bottom wall it
Between.
Preferably, the brake disc including the first disk body and the second disk body that are transversely set in distance and fixed
The connection ring being connected between first disk body and second disk body, first disk body and second disk body are in ring
Shape setting, first disk body, second disk body and the connection ring are surrounded on the periphery of the casing；
The lateral surface of the connection ring body is convexly equipped with multiple friction protrusions, and the multiple friction protrusion is along the connection ring body
Radial direction in being intervally arranged, each friction protrusion is in elongated setting, each friction protrusion along the radial direction of the connection ring body
The two sides correspondence being transversely arranged is fixedly connected on first disk body and the second disk body.
Preferably, the wheel hub includes the exntension tubs for extending transversely setting, and the exntension tubs are surrounded on outside the casing
It encloses, and the exntension tubs are radially set in distance with the casing；
The brake disc is convexly equipped in the lateral surface of the exntension tubs, and the brake disc is located at the exntension tubs towards the motor
One end end of setting.
Preferably, the transmission mechanism includes:
Train support is installed on the side outside the casing where the power output shaft, and the train support is transversely
Installation cavity is provided；
Secondary planetary gear retarder is installed in the installation cavity, and the second level performance gear reduction unit is connected to institute
It states between power output shaft and the wheel hub.
Preferably, be connected between the inner sidewall of the wheel hub and the lateral wall of the train support the first connection bearing and
Second connection bearing, the first connection bearing and the second connection bearing are transversely in be intervally arranged.
Preferably, the wheel hub further include:
Connecting cylinder extends transversely setting, and to be fixed on wheel rim, the medial surface of the connecting cylinder is in step-like setting,
To be formed with the second annular step surface being arranged back to the motor；
End cap is covered on the one end of the connecting cylinder far from the motor and is detachably secured to the connecting cylinder, institute
It states the second gear frame and is fixed on the side side that the end cap is arranged towards the motor, the second connection bearing is installed on described
The medial surface of connecting cylinder and be located at one end end face that the second annular step surface and the end cap are arranged towards the motor it
Between；
Cylinder is connected, extends transversely setting, the connecting cylinder, which is removably secured, is connected to the connecting cylinder towards the electricity
One end of machine setting, the inner sidewall for connecting cylinder are in step-like setting, to be formed with back in the first of motor setting
Annular step surface, the first connection bearing are installed on the medial surface for connecting cylinder and are located at the first annular step surface
Between one end end face for being arranged towards the motor of the connecting cylinder, the accommodating chamber is by the end cap, the connecting cylinder and institute
It states and connects cylinder and enclose and set to be formed；And
The exntension tubs, which are removably secured, is connected to one end that the connecting cylinder is arranged towards the motor, the accommodating chamber
It is enclosed to set and be formed by the end cap, the connecting cylinder, the connecting cylinder and the exntension tubs.
Preferably, the lateral surface of one end that the connecting cylinder is arranged towards the motor is in step-like setting, to be formed with face
The outer ring step surface being arranged towards the motor；
The exntension tubs are socketed on outside one end end that the connecting cylinder is arranged towards the motor, and the exntension tubs are far from institute
One end end face for stating casing setting is connected to the outer ring step surface.
Preferably, the secondary planetary gear retarder includes:
First planetary gear set part, the first planetary gear set part include the first sun gear, the first ring gear and more
A first planetary gear, wherein first sun gear is connected to the power output shaft, and first ring gear is installed on
The inner sidewall of the installation cavity, and be surrounded on the periphery of first sun gear, first ring gear along described first too
The radial direction of positive gear is set in distance with first sun gear, and each first planetary gear is set to first ring gear and institute
State between the first sun gear and be engaged in first ring gear and first sun gear, the multiple first planet tooth
Wheel is in be intervally arranged along the circumferential direction of first sun gear；
First gear frame, each first planetary gear are rotationally connected with first gear frame；
Second planetary gear set, second planetary gear set include secondary sun wheel, the second ring gear and more
A second planetary gear, wherein the secondary sun wheel is fixedly connected on first gear frame and is arranged far from the motor
Side, second ring gear is installed on the inner sidewall of second installation cavity, and is surrounded on the secondary sun wheel
Periphery, second ring gear are set in distance along the radial direction of the secondary sun wheel with the secondary sun wheel, and each
Two planetary gears are set between second ring gear and the secondary sun wheel and are engaged in second ring gear and institute
Secondary sun wheel is stated, the multiple second planetary gear is in be intervally arranged along the circumferential direction of the secondary sun wheel；
Second gear frame, each second planetary gear rotation are connected to second gear frame, the second driving cog wheel carrier
It is fixedly connected on wheel rim.
Preferably, the second planetary gear number is greater than the number of the first planetary gear.
The present invention also proposes that a kind of automobile, the automobile include the wheel rim drive device for reinforcing braking ability, the reinforcement
The wheel rim drive device of braking ability includes:
Motor, the motor have to be installed on the casing of vehicle body and extend transversely the power output shaft of setting；
Wheel hub, to be fixed on wheel rim, the wheel hub is formed with accommodating chamber towards one end end face being laterally arranged is recessed, described
Casing protrudes into the accommodating chamber setting towards one end that the wheel hub is arranged, and the lateral surface of the wheel hub is convexly equipped with along the wheel hub
The circumferential brake disc being arranged in a ring, the brake disc are located at one end end that the wheel hub is arranged towards the motor；
Arrestment mechanism is installed on the outside of the casing, brakes and cooperates with the brake disc；
Transmission mechanism is set in the accommodating chamber, and be connected to the power output shaft and the accommodating chamber bottom wall it
Between.
In technical solution of the present invention, the wheel hub is formed with accommodating chamber towards one end end face being laterally arranged is recessed, described
Casing protrudes into the accommodating chamber setting towards one end that the wheel hub is arranged, and the lateral surface of the wheel hub is convexly equipped with along the wheel hub
The circumferential brake disc being arranged in a ring, the brake disc are located at one end end that the wheel hub is arranged towards the motor, make in this way
The periphery that brake disc is surrounded on casing is obtained, and arrestment mechanism is installed on outside the casing, so that during brake, brake
The torque that structure needs to bear is smaller, and is less likely to occur to loosen.Also, since brake disc can be arranged close to arrestment mechanism, make
It obtains arrestment mechanism not needing to stretch out longer distance from motor, is conducive to improve the reaction speed of automobile brake in this way.In addition, brake
Disk farther out, can also facilitate and brake disc is dismounted and replaced apart from wheel rim.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the overall structure figure of an embodiment of the wheel rim drive device provided by the invention for reinforcing braking ability；
Fig. 2 is the partial structure sectional view of an embodiment of the wheel rim drive device shown in FIG. 1 for reinforcing braking ability；
Fig. 3 is the enlarged drawing of part A in the wheel rim drive device shown in Fig. 2 for reinforcing braking ability；
Fig. 4 is the part-structure of the wheel rim drive device shown in Fig. 2 for reinforcing braking ability and the decomposition knot of region of interest
Structure schematic diagram；
Fig. 5 is the decomposition texture schematic diagram at first planetary gear set part shown in Fig. 2 position；
Fig. 6 is the decomposition texture schematic diagram at the second planetary gear set shown in Fig. 2 position；
Fig. 7 is another decomposition texture schematic diagram at the second planetary gear set shown in Fig. 2 position；
Fig. 8 is the transmission principle figure of the wheel rim drive device shown in FIG. 1 for reinforcing braking ability.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention provides a kind of automobile, and the automobile includes the wheel rim drive device for reinforcing braking ability, and Fig. 1 to Fig. 8 is
One embodiment of the wheel rim drive device proposed by the present invention for reinforcing braking ability.The wheel rim for reinforcing braking ability drives dress
It sets including motor 1, wheel hub 4, arrestment mechanism 6 and transmission mechanism.The motor 1 have to be installed on vehicle body casing 11, with
And extend transversely the power output shaft 12 of setting.The wheel hub 4 is being fixed on wheel rim 7, and the wheel hub 4 is towards being laterally arranged
One end end face is recessed to be formed with accommodating chamber 41, and the casing 11 protrudes into the accommodating chamber 41 towards one end that the wheel hub 4 is arranged and sets
It sets, the lateral surface of the wheel hub 4 is convexly equipped with the brake disc 451 being arranged in a ring along the circumferential direction of the wheel hub 4, the brake disc
451 are located at one end end that the wheel hub 4 is arranged towards the motor 1.The arrestment mechanism 6 is installed on outside the casing 11, with
The braking of brake disc 451 cooperation, specifically, the arrestment mechanism 6 can be installed on outside casing 11 by hinge.The transmission
Mechanism is set in the accommodating chamber 41, and is connected between the power output shaft 12 and the bottom wall of the accommodating chamber 41.
In the present embodiment, the wheel hub 4 is formed with accommodating chamber 41, the casing 11 towards one end end face being laterally arranged is recessed
The one end being arranged towards the wheel hub 4 is protruded into the accommodating chamber 41 and is arranged, and the lateral surface of the wheel hub 4 is convexly equipped with along the wheel hub 4
The brake disc 451 that is arranged in a ring of circumferential direction, the brake disc 451 is located at one end end that the wheel hub 4 is arranged towards the motor 1
Portion, so that brake disc 451 is surrounded on the periphery of casing 11, and arrestment mechanism 6 is installed on outside the casing 11, so that stopping
During vehicle, the torque that arrestment mechanism 6 needs to bear is smaller, and is less likely to occur to loosen.Also, due to 451 energy of brake disc
It is enough to be arranged close to arrestment mechanism 6, so that arrestment mechanism 6 does not need to stretch out longer distance from motor 1, it is conducive to improve automobile in this way
The reaction speed of braking.In addition, brake disc 451 apart from wheel rim 7 farther out, can also facilitate and brake disc 451 is dismounted and replaced.
It should be noted that " fixation " in the present invention refers to the wheel rim drive device for reinforcing braking ability normal
When operation, the positional relationship between component being fixed to each other is relatively fixed, and cannot be relatively movable, " fixation " in the present invention
It is understood not to non-dismountable, with no restriction to fixed concrete mode, in the present embodiment, wheel hub 4 can pass through the present invention
The mode of interference fit is fixed on wheel rim 7, and the modes such as can also be bolted realize fixation, and " fixation " in the present invention can
Think and be directly connected to each other and fix, or is fixed by other components and realize and be fixed to each other.The present invention is for described
The wheel rim drive device for reinforcing braking ability is installed on the concrete mode on automobile with no restriction, specifically, in the present embodiment, institute
It states casing 11 and the vehicle body of automobile is connected to by transfer 8, specifically, as depicted in figs. 1 and 2, the transfer 8 can be with
Including knuckle arm 81 and swing arm 82 is turned to, one end of the knuckle arm 81 is connected to the casing 11 of motor 1, the knuckle
The other end of arm 81 is connected to described one end for turning to swing arm 82, and the other end for turning to swing arm 82 is connected to the vehicle of automobile
Body.The present invention is installed on the specific connection type of casing 11 with no restriction to train support 2, specifically, as shown in Fig. 2, train
Support 2 is installed on casing 11 by bolt.As shown in Figure 1, in the present embodiment, the periphery of wheel rim 7 is equipped with tire 9, wheel rim 7 with
Tire 9 collectively constitutes wheel.
The present invention for the brake disc 451 specific structure with no restriction, for the structural strength for ensuring brake disc 451,
And the braking quality of brake disc 451 is improved, as shown in figure 3, the brake disc 451 includes between being transversely in the present embodiment
Every the first disk body 4511 of setting and the second disk body 4512 and it is fixedly connected on first disk body 4511 and second disk
Connection ring 4513 between body 4512, first disk body 4511 and second disk body 4512 are arranged in a ring, and described
One disk body 4511, second disk body 4512 and the connection ring 4513 are surrounded on the periphery of the casing 11.The company
The lateral surface for connecing 4513 body of ring is convexly equipped with multiple friction protrusions 4514, and the multiple friction protrusion 4514 is along the connection ring 4513
For the radial direction of body in being intervally arranged, each friction protrusion 4514 is in elongated setting, each institute along the radial direction of 4513 body of connection ring
It states the two sides correspondence that friction protrusion 4514 is transversely arranged and is fixedly connected on first disk body 4511 and the second disk body 4512.This
In embodiment, due to connection ring 4513 and multiple friction protrusions 4514 be all connected to the first disk body 4511 and the second disk body 4512 it
Between, conducive to brake disc 451 is improved to the ability to bear of external force transversely, specifically, when arrestment mechanism 6 is caliper, make
Dynamic pincers can be clamped in the both ends that brake disc is transversely arranged by biggish clamping force.The setting of friction protrusion 4514 is conducive to mention
Coefficient of friction between high arrestment mechanism 6 and brake disc 451, to be conducive to improve braking ability.Also, due to each friction
Protrusion 4514 is in elongated setting along the radial direction of the connection ring 4513, so that the out-of-flatness of the side of brake disc 451, it is not easy to because
The silt that is met in vehicle travel process and filled and led up, the coefficient of friction between arrestment mechanism 6 and brake disc 451 can be made in this way
Always higher.
To have avoided muddy water from entering motor 1, perhaps secondary planetary gear retarder 3 leads to that stuck or failure has occurred,
As shown in Fig. 2, the wheel hub 4 includes the exntension tubs 45 for extending transversely setting in the present embodiment, the exntension tubs 45 are surrounded on
11 periphery of casing, and the exntension tubs 45 are radially set in distance with the casing 11.451 projection of brake disc
In the lateral surface of the exntension tubs 45, the brake disc 451 is located at one end end that the exntension tubs 45 are arranged towards the motor 1
Portion.Since exntension tubs 45 are surrounded on 11 periphery of casing, accommodated so that muddy water needs first to enter between casing 11 and wheel hub 4
In chamber 41, then through the entrance installation cavity 21 of accommodating chamber 41, the operation of secondary planetary gear retarder 3 and motor 1 can be caused
It influences, can be avoided muddy water in this way and enter in secondary planetary gear retarder 3 and secondary planetary gear retarder 3 is caused to block
Dead or damage, in this way but also muddy water is not easily accessed in motor 1.Also, brake disc 451 is set to exntension tubs 45, is made
Obtaining easily can be dismounted and be replaced to brake disc 451 by dismounting exntension tubs 45.
The present invention for the transmission mechanism specific structure with no restriction, for save wheel rim 7 at installation space, and
Under the premise of not increasing 1 volume of motor, make the output torque and power density of the wheel rim drive device for reinforcing braking ability
It is improved, as shown in Fig. 2, the transmission mechanism includes train support 2 and secondary planetary gear retarder 3 in the present embodiment.
The train support 2 is installed on the side outside the casing 11 where the power output shaft 12, and the train support 2 is transversely
Installation cavity 21 is provided.The secondary planetary gear retarder 3 is installed in the installation cavity 21, and the second level performance gear subtracts
Fast device is connected between the power output shaft 12 and the wheel hub 4.
The present invention for the secondary planetary gear retarder 3 specific structure with no restriction.
Specifically, as shown in Figure 2 and Figure 4, in the present embodiment, the secondary planetary gear retarder 3 includes the first planet
Gear assembly 31, the first gear frame 32, the second planetary gear set 33 and the second gear frame 34.The first planetary gear set part
31 include the first sun gear 311, the first ring gear 312 and multiple first planetary gears 313, wherein first sun tooth
Wheel 311 is connected to the power output shaft 12, and specifically, first sun gear 311 can be connected to described by spline
Power output shaft 12.First ring gear 312 is installed on the inner sidewall of the installation cavity 21, and is surrounded on first sun
The periphery of gear 311, specifically, first ring gear 312 can be installed on first peace by way of interference fit
Behave affectedly 211 inner sidewall.Radial direction and first sun tooth of first ring gear 312 along first sun gear 311
Wheel 311 is set in distance, each first planetary gear 313 be set to first ring gear 312 and first sun gear 311 it
Between and be engaged in first ring gear 312 and first sun gear 311, the multiple first planetary gear 313 is along institute
The circumferential direction for stating the first sun gear 311 is in be intervally arranged.Each first planetary gear 313 is rotationally connected with first gear frame
32.Setting makes to be transferred to the torque of transmission shaft 321 by the output shaft of motor 1 in this way and output power density obtains larger amplitude and mentions
It is high.Second planetary gear set 33 includes secondary sun wheel 331, the second ring gear 332 and multiple second planetary gears
333, wherein the secondary sun wheel 331 is fixedly connected on one that first gear frame 32 is arranged far from the motor 1
Side, second ring gear 332 are installed on the inner sidewall of second installation cavity 212, and are surrounded on the secondary sun wheel
331 periphery, specifically, second ring gear 332 can be installed on second installation cavity by way of interference fit
212 inner sidewall.Radial direction and the secondary sun wheel 331 of second ring gear 332 along the secondary sun wheel 331
Be set in distance, each second planetary gear 333 be set between second ring gear 332 and the secondary sun wheel 331 and
It is engaged in second ring gear 332 and the secondary sun wheel 331, the multiple second planetary gear 333 is along described
The circumferential direction of two sun gears 331 is in be intervally arranged.Each second planetary gear 333 is rotationally connected with second gear frame 34, institute
It states the second driving cog wheel carrier and is fixedly connected on wheel rim 7.In this way setting make to be transferred to by the first gear frame 32 wheel rim 7 torque and
Output power density obtains larger amplitude raising, so that improving has the torque exported at wheel rim 7 and power density.
The present invention is fixedly connected on first gear frame 32 far from the motor 1 for the secondary sun wheel 331
The specific structure of the side of setting is with no restriction.Specifically, as shown in Fig. 2, in the present embodiment, the installation cavity 21 includes along cross
To the first installation cavity 211 and the second installation cavity 212 that are set in distance and it is connected to first installation cavity 211 and described
Connection cavity 213 between second installation cavity 212, first installation cavity 211 run through the train support 2 towards the motor 1
One end end face is set, and second installation cavity 212 runs through one end end face that the train support 2 is arranged far from the motor 1.Institute
It states first planetary gear set part 31 and first gear frame 32 and is set to first installation cavity 211, the second planet tooth
Wheel assembly 33 and second gear frame 34 are set to second installation cavity 212.First gear frame 32 is far from the electricity
The side that machine 1 is arranged is convexly equipped with transmission shaft 321, and the transmission shaft 321 is arranged across the connection cavity 213, and described second too
Positive gear 331 is fixedly connected on the transmission shaft 321, to be connected with first gear frame 32.Specifically, described second too
Positive gear 331 can be connected by key with the transmission shaft 321.
In this way by the way that the first installation cavity 211 and the second installation cavity 212 are set in distance, and by first planetary gear set part
31 and second the correspondence of planetary gear set 33 be installed in the first installation cavity 211 and the second installation cavity 212, and by the first gear frame
32 are connected to the bottom wall of first installation cavity 211, not only make structure more compact, but also allow to pointedly only tear open
First planetary gear set part 31 or the second planetary gear set 33 are filled, it can be to avoid in disassembly secondary planetary gear retarder 3
When, the part of secondary planetary gear retarder 3 is scattered out in large quantities, and 4 position of wheel hub is dismounted and examined so as to convenient
It repairs.
The present invention is rotationally connected with first for the specific structure of the first gear frame 32 and by first planetary gear 313
First planetary gear 313 with no restriction, for example can be fixed on its shaft, and described first by the concrete mode of gear frame 32
The shaft of first planetary gear 313 is inserted in described by gear frame 32 towards recessed first connecting hole in the side that the motor 1 is arranged
In first connecting hole, so that first planetary gear 313 is rotationally connected with the first gear frame 32.And in the present embodiment, such as Fig. 4 institute
Show, it is in 323 He of the first support plate being intervally arranged that first gear frame 32, which includes successively along the direction far from the casing 11,
Second support plate 324, the first connector being fixedly connected between first support plate 323 and second support plate 324
325 and multiple first gear axis 322 for being connected between first support plate 323 and second support plate 324, institute
It states the first support plate 323 to be arranged in a ring around the power output shaft 12, the transmission shaft 321 is convexly equipped in second support
Side side of the plate 324 far from the motor 1, the multiple first planetary gear 313 are corresponded and are rotationally socketed on
Outside the multiple first gear axis 322, so that each first planetary gear 313 is rotationally connected with first gear frame
32, it, in this way can be with since each first gear axis 322 is connected between first support plate 323 and second support plate 324
Improve the stability that first planetary gear 313 rotates.Specifically, first gear axis 322 and corresponding first planetary gear 313 it
Between can also transversely be set in distance two needle bearings 10, to reduce the friction being subject to when first planetary gear 313 rotates
Power.
Similarly, the present invention is rotationally connected with second for the structure of the second gear frame 34 and by the second planetary gear 333
With no restriction, as shown in fig. 6, in the present embodiment, second gear frame 34 includes successively along remote to the concrete mode of gear frame 34
Direction from the casing 11 is in the third support plate 343 being intervally arranged and the 4th support plate 344, is fixedly connected on the third
The second connector 345 between support plate 343 and the 4th support plate 344 and it is connected to 343 and of third support plate
Multiple second gear axis 341 between 4th support plate 344, the third support plate 343 are in around the transmission shaft 321
Annular setting, the 4th support plate 344 are fixedly connected on the bottom wall of the accommodating chamber 41, the multiple second planetary gear
333 correspond and are rotationally socketed on outside the multiple second gear axis 341, so that each second planetary gear
333 are rotationally connected with second gear frame 34, since each second gear axis 341 is connected to third support plate 343 and the 4th
Between fagging 344.The stability of the second planetary gear 333 rotation can be improved in this way.Specifically, in 341 He of second gear axis
Can also transversely be set in distance two needle bearings 10 between corresponding second planetary gear 333, to reduce the second planet
The frictional force that gear 333 is subject to when rotating.
Further, as shown in figure 5, in the present embodiment, first connector 325 be provided with it is multiple, the multiple
A connection piece 325 along first support plate 323 circumferential direction in being intervally arranged, the multiple first connector 325 and described more
A first gear axis 322 is arranged alternately along the circumferential direction of first support plate 323.The multiple first connector 325 is along described
The circumferential direction of first support plate 323 is conducive on the one hand the first gear frame 32 can be made to be more uniformly stressed in this way in being intervally arranged, thus
The load ability of the first gear frame 32 is improved, the connection of the first gear frame 32 and first planetary gear set part 31 on the other hand can be made
Structure is more compact, so that the first gear frame 32 of reduction and first planetary gear set part 31 need the space occupied.
Similarly, as shown in fig. 6, in the present embodiment, second connector 345 is provided with multiple, the multiple second company
Fitting 345 along the third support plate 343 circumferential direction in being intervally arranged, the multiple second connector 345 and the multiple the
Two gear shafts 341 are arranged alternately along the circumferential direction of the third support plate 343.In this way be conducive on the one hand can make the second gear frame 34 by
Power is more uniform, to improve the load ability of the second gear frame 34, on the other hand can make the second gear frame 34 and the second planet
The connection structure of gear assembly 33 is more compact, so that the second gear frame 34 of reduction and the second planetary gear set 33 need to occupy
Space.
When to braking automobile, to realize the deceleration of automobile and static by the friction between tire 9 and ground, at this
During a, first planetary gear set part 31 usually requires to bear bigger torque than the second planetary gear set 33.To improve
The bearing capacity of torque when second 33 pairs of planetary gear set brakes, as shown in Figure 5 and Figure 6, in the present embodiment, second row
The number of star gear 333 is greater than the number of the first planetary gear 313.Specifically, in the present embodiment, the second planet tooth
Wheel 333 is uniformly distributed along the circumferential direction of the secondary sun wheel 331, and the number of second planetary gear 333 is 6, and described first
Planetary gear 313 is uniformly distributed along the circumferential direction of first sun gear 311, and the number of the first planetary gear 313 is 4.
The relative position being limited between ratch hub 4 and train support 2, so that it is guaranteed that opposite between wheel hub 4 and train support 2
The stability of rotation, as shown in Figure 2 and Figure 8, in the present embodiment, the outside of the inner sidewall of the wheel hub 4 and the train support 2
The first connection bearing 51 and the second connection bearing 52, the first connection bearing 51 and second connecting shaft are connected between wall
Holding 52 is transversely in be intervally arranged.Also, by the first connection bearing 51 and the second connection bearing 52, wheel hub 4 and train support 2
Between be able to carry out the transmitting of power, can reduce the radial force inside secondary planetary gear retarder 3, to prevent second level row
Star gear reduction unit 3 is damaged.
Further, can be had to make the radial force of first planetary gear set part 31 and the second planetary gear set 33
Pointedly reduce, as shown in Figure 2 and Figure 8, in the present embodiment, it is described first connection bearing 51 radially with the first row
The setting of 31 face of star gear assembly, the second connection bearing 52 are arranged along it with 33 face of the second planetary gear set.
It is dismounted for convenience of to the first connection bearing 51 and the second connection bearing 52, and prevents 51 He of the first connection bearing
Second connection bearing 52 along wheel hub 4 axial activity, as shown in Fig. 2, in the present embodiment, the wheel hub 4 further include connecting cylinder 42,
End cap 43 and connecting cylinder 44.The connecting cylinder 42 extends transversely setting, to be fixed on wheel rim 7, the connecting cylinder 42 it is interior
Side is in step-like setting, to be formed with the second annular step surface 421 being arranged back to the motor 1.The end cap 43 covers
One end together in the connecting cylinder 42 far from the motor 1 and it is detachably secured to the connecting cylinder 42, second transmission
Frame 34 is fixed on the side side that the end cap 43 is arranged towards the motor 1, and the second connection bearing 52 is installed on the company
The medial surface of connect cylinder 42 and it is located at one end for being arranged towards the motor 1 of the second annular step surface 421 and the end cap 43
Between end face.The connecting cylinder 44 extends transversely setting, and the connecting cylinder 44, which is removably secured, is connected to the connecting cylinder
42 one end being arranged towards the motor 1, the inner sidewall for connecting cylinder 44 is in step-like setting, to be formed with back to the motor
First annular step surface 441 of 1 setting, the first connection bearing 51 are installed on the medial surface for connecting cylinder 44 and are located at
Between one end end face that the first annular step surface 441 and the connecting cylinder 42 are arranged towards the motor 1, the accommodating chamber
41 are enclosed to set and be formed by the end cap 43, the connecting cylinder 42 and the connecting cylinder 44.45 company of being removably secured of exntension tubs
Be connected to described one end for being arranged towards the motor 1 of connecting cylinder 44, the accommodating chamber 41 by the end cap 43, the connecting cylinder 42,
The connecting cylinder 44 and the exntension tubs 45 enclose and set to be formed.It should be noted that due to the first annular step surface 441 and
Two annular step surfaces 421 are correspondingly arranged at the medial surface for connecting cylinder 44 and connecting cylinder 42, therefore are known as annular platform in the present invention
Terrace.
In brake, the brake force that brake disc 451 is subjected to needs to be transferred to connecting cylinder 44 by exntension tubs 45.To make to prolong
It stretches cylinder 45 and the connecting combination of cylinder 44 is even closer, and to ensure exntension tubs 45 and connecting receiving energy of the connecting portion to power of cylinder 44
Power, as shown in Fig. 2, the lateral surface of the connecting cylinder 44 towards one end that the motor 1 is arranged is set in step-like in the present embodiment
It sets, to be formed with the outer ring step surface 442 for facing the motor 1 and being arranged.The exntension tubs 45 are socketed on the connecting cylinder 44
Outside one end end being arranged towards the motor 1, the exntension tubs 45 are connected to institute far from one end end face that the casing 11 is arranged
State outer ring step surface 442.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of wheel rim drive device for reinforcing braking ability characterized by comprising
Motor, the motor have to be installed on the casing of vehicle body and extend transversely the power output shaft of setting；
Wheel hub, to be fixed on wheel rim, the wheel hub is formed with accommodating chamber, the casing towards one end end face being laterally arranged is recessed
The accommodating chamber setting is protruded into the one end being arranged towards the wheel hub, and the lateral surface of the wheel hub is convexly equipped with the circumferential direction along the wheel hub
The brake disc being arranged in a ring, the brake disc are located at one end end that the wheel hub is arranged towards the motor；
Arrestment mechanism is installed on the outside of the casing, brakes and cooperates with the brake disc；
Transmission mechanism is set in the accommodating chamber, and is connected between the power output shaft and the bottom wall of the accommodating chamber.
2. reinforcing the wheel rim drive device of braking ability as described in claim 1, which is characterized in that the brake disc includes
The first disk body and the second disk body that are transversely set in distance and it is fixedly connected on first disk body and second disk body
Between connection ring, first disk body and second disk body be arranged in a ring, first disk body, second disk body
And the connection ring is surrounded on the periphery of the casing；
The lateral surface of the connection ring body is convexly equipped with multiple friction protrusions, diameter of the multiple friction protrusion along the connection ring body
To in being intervally arranged, each friction protrusion is in elongated setting along the radial direction of the connection ring body, and each friction protrusion is along horizontal
First disk body and the second disk body are fixedly connected on to the two sides of setting correspondence.
3. reinforcing the wheel rim drive device of braking ability as described in claim 1, which is characterized in that the wheel hub includes along cross
To extended exntension tubs, the exntension tubs are surrounded on casing periphery, and the exntension tubs radially with the machine
Shell is set in distance；
The brake disc is convexly equipped in the lateral surface of the exntension tubs, and the brake disc is located at the exntension tubs and is arranged towards the motor
One end end.
4. reinforcing the wheel rim drive device of braking ability as described in claim 1, which is characterized in that the transmission mechanism packet
It includes:
Train support, is installed on the side outside the casing where the power output shaft, and the train support transversely provides
There is installation cavity；
Secondary planetary gear retarder is installed in the installation cavity, and the second level performance gear reduction unit is connected to described dynamic
Between power output shaft and the wheel hub.
5. reinforcing the wheel rim drive device of braking ability as claimed in claim 4, which is characterized in that the inner sidewall of the wheel hub
Be connected between the lateral wall of the train support the first connection bearing and second connection bearing, it is described first connection bearing and
The second connection bearing is transversely in be intervally arranged.
6. reinforcing the wheel rim drive device of braking ability as claimed in claim 5, which is characterized in that the wheel hub further include:
Connecting cylinder extends transversely setting, and to be fixed on wheel rim, the medial surface of the connecting cylinder is in step-like setting, with shape
At the second annular step surface having back to motor setting；
End cap is covered on the one end of the connecting cylinder far from the motor and is detachably secured to the connecting cylinder, and described
Two gear frames are fixed on the side side that the end cap is arranged towards the motor, and the second connection bearing is installed on the connection
The medial surface of cylinder and it is located between one end end face for being arranged towards the motor of the second annular step surface and the end cap；
Cylinder is connected, extends transversely setting, the connecting cylinder, which is removably secured, to be connected to the connecting cylinder and set towards the motor
The one end set, the inner sidewall for connecting cylinder are in step-like setting, to be formed with the first annular being arranged back to the motor
Step surface, the first connection bearing are installed on the medial surface for connecting cylinder and are located at the first annular step surface and institute
It states between one end end face that connecting cylinder is arranged towards the motor, the accommodating chamber is by the end cap, the connecting cylinder and described connects
Continuous cylinder, which encloses, to be set to be formed；And
The exntension tubs, which are removably secured, is connected to one end that the connecting cylinder is arranged towards the motor, and the accommodating chamber is by institute
End cap, the connecting cylinder, the connecting cylinder and the exntension tubs are stated to enclose and set to be formed.
7. reinforcing the wheel rim drive device of braking ability as claimed in claim 6, which is characterized in that the connecting cylinder is towards described
The lateral surface of one end of motor setting is in step-like setting, to be formed with the outer ring step surface for facing the motor setting；
The exntension tubs are socketed on outside one end end that the connecting cylinder is arranged towards the motor, and the exntension tubs are far from the machine
One end end face of shell setting is connected to the outer ring step surface.
8. reinforcing the wheel rim drive device of braking ability as claimed in claim 4, which is characterized in that the secondary planetary gear
Retarder includes:
First planetary gear set part, the first planetary gear set part include the first sun gear, the first ring gear and multiple the
One planetary gear, wherein first sun gear is connected to the power output shaft, and first ring gear is installed on described
The inner sidewall of installation cavity, and it is surrounded on the periphery of first sun gear, first ring gear is along first sun tooth
The radial direction of wheel is set in distance with first sun gear, and each first planetary gear is set to first ring gear and described the
Between one sun gear and it is engaged in first ring gear and first sun gear, the multiple first planetary gear edge
The circumferential direction of first sun gear is in be intervally arranged；
First gear frame, each first planetary gear are rotationally connected with first gear frame；
Second planetary gear set, second planetary gear set include secondary sun wheel, the second ring gear and multiple
Two planetary gears, wherein the secondary sun wheel is fixedly connected on one that first gear frame is arranged far from the motor
Side, second ring gear are installed on the inner sidewall of second installation cavity, and are surrounded on the periphery of the secondary sun wheel,
Second ring gear is set in distance along the radial direction of the secondary sun wheel with the secondary sun wheel, each second planet
Gear is set between second ring gear and the secondary sun wheel and is engaged in second ring gear and described second
Sun gear, the multiple second planetary gear are in be intervally arranged along the circumferential direction of the secondary sun wheel；
Second gear frame, each second planetary gear rotation are connected to second gear frame, and the second driving cog wheel carrier is fixed
It is connected to wheel rim.
9. reinforcing the wheel rim drive device of braking ability as claimed in claim 8, which is characterized in that second planetary gear
Number be greater than the first planetary gear number.
10. a kind of automobile, which is characterized in that including wheel rim drive device, the wheel rim drive device is claim 1~9 times
Wheel rim drive device described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146003.0A CN109109649A (en) | 2018-09-28 | 2018-09-28 | Reinforce the wheel rim drive device and automobile of braking ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146003.0A CN109109649A (en) | 2018-09-28 | 2018-09-28 | Reinforce the wheel rim drive device and automobile of braking ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109109649A true CN109109649A (en) | 2019-01-01 |
Family
ID=64857327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146003.0A Withdrawn CN109109649A (en) | 2018-09-28 | 2018-09-28 | Reinforce the wheel rim drive device and automobile of braking ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109109649A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356943A (en) * | 1999-07-13 | 2002-07-03 | 腓特烈斯港齿轮工厂股份公司 | Axle having bridge arranged underneath wheel axle |
| US7350605B2 (en) * | 2003-09-04 | 2008-04-01 | Toyota Jidosha Kabushiki Kaisha | In-wheel motor capable of efficiently cooling electric motor and reduction gear |
| CN202507916U (en) * | 2012-01-18 | 2012-10-31 | 华南理工大学 | Built-in suspended integrated type hub motor driving electrical wheel |
| CN107933300A (en) * | 2017-11-16 | 2018-04-20 | 武汉理工大学 | A kind of electric automobile coaxial-type In-wheel motor driving system synthesis |
-
2018
- 2018-09-28 CN CN201811146003.0A patent/CN109109649A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356943A (en) * | 1999-07-13 | 2002-07-03 | 腓特烈斯港齿轮工厂股份公司 | Axle having bridge arranged underneath wheel axle |
| US7350605B2 (en) * | 2003-09-04 | 2008-04-01 | Toyota Jidosha Kabushiki Kaisha | In-wheel motor capable of efficiently cooling electric motor and reduction gear |
| CN202507916U (en) * | 2012-01-18 | 2012-10-31 | 华南理工大学 | Built-in suspended integrated type hub motor driving electrical wheel |
| CN107933300A (en) * | 2017-11-16 | 2018-04-20 | 武汉理工大学 | A kind of electric automobile coaxial-type In-wheel motor driving system synthesis |
Non-Patent Citations (1)
| Title |
|---|
| 李程成: "新型车用轮毂电机传动系统的设计与研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
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Application publication date: 20190101 |