CN102826003B - Wheel inner driving device - Google Patents
Wheel inner driving device Download PDFInfo
- Publication number
- CN102826003B CN102826003B CN201210188757.9A CN201210188757A CN102826003B CN 102826003 B CN102826003 B CN 102826003B CN 201210188757 A CN201210188757 A CN 201210188757A CN 102826003 B CN102826003 B CN 102826003B
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- CN
- China
- Prior art keywords
- wheel
- gear
- reduction part
- carrier
- planetary gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- 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
- B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
-
- 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
- B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/326—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising a carrier with linear guiding means guiding at least one orbital gear
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of wheel inner driving device. The disclosed inner driving device of taking turns is characterised in that and comprises: motor part, produces power; The first reduction part, is connected with the driving shaft of motor part, realizes and slowing down; The second reduction part, comprises central gear, planetary gear and carrier, and wherein, described central gear is connected in the first reduction part and is rotated, and described planetary gear is rotated along the circumference of central gear, and described carrier and planetary gear together rotate; Wheel hub foreign steamer, installs with the shape of surrounding the second reduction part outside, possesses the gear ring engaging with planetary gear in inner side; And wheel member, with described carrier one rotation, install for wheel tyre bead outer circumference.
Description
Technical field
The present invention relates to a kind of wheel inner driving device, relate in particular to the installation sky that can reduce deceleratorBetween, make to realize the minimized inner driving device of taking turns with the interference of miscellaneous part.
Background technology
Along with fossil fuel is day by day exhausted, developing the electric energy of storing in battery motor is being carried outThe electric automobile driving, substitutes the vehicle using such as the fossil fuel of gasoline, diesel oil etc.
Electric automobile is divided into: the pure electricity that only utilizes the electric energy of storing in rechargeable battery to drive motorMotor vehicle, the solar cell vehicle that utilizes photocell to drive motor, utilizes and uses hydrogen raw materialFuel cell fuel-cell vehicle that motor is driven, utilize fossil fuel to drive engineMove, utilize electric motor to be driven, thereby use the motor vehicle driven by mixed power of engine and motor simultaneouslyDeng.
Generally speaking, wheel inner driving device as such as electric automobile taking the electric vapour as power sourceThe technology using in car, is different from gasoline or diesel car by means of by engine and speed changer and driveThe power transmission of moving axis and drive the mode of rotation of wheel, but by being disposed at left and right sidesing driving wheel or a left sideThe motor of four the driving wheel inside in the right side and front and back, to the technology of the direct transferring power of wheel.
Above-mentioned technology forms as being used for helping to understand background technology of the present invention, is not meant to beThe conventional art that the technical field of the invention is widely known by the people.
Summary of the invention
(technical problem that will solve)
Wheel inner driving device has in the past strengthened motor radius, has just realized driving moment without deceleratorIncrease, but because so, exist wheel diameters to become large problem. Therefore, need to carry out thisImprove.
The present invention researches and develops for improving as above problem, and its object is to provide in a kind of wheel and drives dressPut, the space realization that decelerator is installed is minimized, reduce wheel diameters, increase driving moment.
(means of dealing with problems)
The inner driving device of taking turns of the present invention comprises: motor part, produces power; The first reduction part, with horseThe driving shaft that reaches portion connects, and realizes and slowing down; The second reduction part, comprise central gear, planetary gear andCarrier, wherein, described central gear is connected in the first reduction part and is rotated, described planetary gearCircumference along central gear is rotated, and described carrier and planetary gear together rotate; Wheel hub foreign steamer,Install with the shape of surrounding the second reduction part outside, possess the gear ring engaging with planetary gear in inner side;And wheel member, with described carrier one rotation, install for wheel tyre bead outer circumference.
In addition, preferably the first reduction part comprises: driven wheel, is connected with driving shaft; And slow down evenMeet portion, possess and be engaged in the driven gear that driven wheel rotates, connect with axle and described central gearConnect.
In addition, the connecting portion that preferably slows down comprises: connecting axle member, is connected in central gear; And inBetween gear part, be connected in connecting axle member, form along outside for described driven gear.
In addition, preferably wheel hub foreign steamer is fixed on motor part.
In addition, preferably the present invention also comprises: lubricated with stream, form performance along described the second reduction partThe oily movable passageway of lubrication; Cooling with stream, form and send out along the motor case of described motor partWave the oily movable passageway of cooling effect; And oil pump, to described lubricated by stream and described cooling useStream supply oil.
In addition, preferably the present invention also comprises hub bearing, is installed on planetary both sides, reduces wheelThe friction occurring between hub foreign steamer and carrier.
(effect of invention)
The inner driving device of taking turns of the present invention is to realize and slowing down in the first reduction part being connected with motor partAfter, realize and slowing down by means of the second reduction part, so, can increase driving moment, raising motorDriving force.
In addition, the present invention is based on the oil circulation of oil pump, realize coolingly and lubricated, thereby can improve productThe durability of product.
Brief description of the drawings
Fig. 1 is the profile that briefly shows the wheel inner driving device of one embodiment of the invention.
Fig. 2 amplifies to show the first reduction part of one embodiment of the invention and the section of the second reduction partFigure.
(label declaration)
1: wheel inner driving device
10: motor part 12: motor case
13: protrude member 14: protective cover member
16: stator 18: rotor
19: 20: the first reduction part of driving shaft
22: driven wheel 24: deceleration connecting portion
26: idler gear portion 28: driven gear
29: 30: the second reduction part of connecting axle member
32: central gear 34: planetary gear
36: gear ring 38: carrier
40: wheel hub foreign steamer 50: bearing portion
51: hub bearing 52: brake disc
54: caliper 60: tire
62: fixed component 65: wheel member
67: wheel rim 69: madial wall
70: oil pump 72: fuel tank
74: lubricated with stream 76: the cooling stream of using
Detailed description of the invention
With reference to the accompanying drawings, an embodiment who takes turns inner driving device of the present invention is described. For what illustrateFacility is that example describes for the wheel inner driving device of electric automobile. In this process, accompanying drawingThe thickness of the lines of middle demonstration or the size of structural element etc., for the definition on illustrating and convenient andMay show turgidly. In addition, term described later is determined as considering function in the present inventionJustice term, may because of user, operator's intention or convention different. Therefore, for this artThe definition of language should the content based on this specification be determined.
Fig. 1 is the profile that briefly shows the wheel inner driving device of one embodiment of the invention, and Fig. 2 isAmplify and show the first reduction part of one embodiment of the invention and the profile of the second reduction part.
As depicted in figs. 1 and 2, the wheel inner driving device 1 of one embodiment of the invention possesses: motorPortion 10, generation power; The first reduction part 20, is connected with the driving shaft 19 of motor part 10, realNow slow down.
Be connected in the first reduction part 20 and realize second reduction part 30 of slowing down and comprise: central gear 32,Being connected in the first reduction part 20 is rotated; Planetary gear 34, carries out along the surrounding of central gear 32Rotation; Carrier 38, together rotates with described planetary gear 34.
Wheel hub foreign steamer 40 with surround described the second reduction part 30 outside shape install, outside wheel hubThe inner side of wheel 40, possesses the gear ring 36 engaging with planetary gear 34.
Along the outside of the wheel member 65 of the carrier 38 one rotations that possess with the second reduction part 30Circumference, is provided with tire 60.
Motor part 10 produces and makes to take turns the power that member 65 rotates, and it comprises: motor case 12,Surround stator 16 and rotor 18, and be fixed on vehicle body; And protective cover member 14, be incorporated into motorShell 12.
One side (below taking Fig. 1 as benchmark, the being left side) opening of motor case 12, with cylindric formation,In a side of this motor case 12, be combined with protective cover member 14.
In the inner side of motor case 12, stator 16 is installed, leave and be provided with this stator 16Rotor 18.
Because rotor 18 is connected with driving shaft 19, so, along with the rotation of rotor 18, driving shaft19 are also rotated.
The technological thought of the first reduction part 20 being connected with driving shaft 19 is, makes motor part 10After power is realized and being slowed down for the first time, to the second reduction part 30 transferring power, at this technological thoughtIn scope, can use the deceleration device of multiple kind.
The first reduction part 20 of an embodiment comprises: driven wheel 22, is connected with driving shaft 19;And deceleration connecting portion 24, possess and be engaged in the driven gear 28 that driven wheel 22 rotates.
Driven wheel 22 forms with helical shape, protrudes the outside that is arranged at motor case 12.
Because being engaged in the driven gear 28 that deceleration connecting portion 24 possesses, this driven wheel 22 carries outRotation, thereby the connecting portion 24 that makes to slow down rotates.
Deceleration connecting portion 24 comprises: idler gear portion 26, one side openings, with cylindric formation; WithAnd connecting axle member 29, extend from the pivot of idler gear portion 26, be connected in second with axle and subtractThe central gear 32 of speed portion 30.
The technological thought of idler gear portion 26 is to be connected in connecting axle member 29, for driven gear 28Form along outside, in the scope of this technological thought, form with various shape.
Protrude member 13 protruding to the opposite side (below taking Fig. 1 as benchmark, being right side) of motor case 12Go out, in the outside of this protrusion member 13, be provided with idler gear portion 26, thereby to protrude memberCentered by 13, realize the rotation of idler gear portion 26.
Between this protrusion member 13 and idler gear portion 26, be provided with bearing portion 50, thereby energyEnough reduce the friction occurring when idler gear portion 26 rotates.
The technological thought of the second reduction part 30 is, with the deceleration connecting portion 24 that forms the first reduction part 20Connect, realize and slowing down, in the scope of this technological thought, can use multiple speed change gear.
The second reduction part 30 of an embodiment comprises: central gear 32, and with connecting axle member 29Connect; Gear ring 36, in the form of a ring, is fixed on the inner side of wheel hub foreign steamer 40, is formed with the gear teeth in inner side;Planetary gear 34, between central gear 32 and gear ring 36; And carrier 38, support rowStar gear 34, is fixed on wheel member 65.
On the central gear 32 being rotated at the connecting axle member 29 that is connected in deceleration connecting portion 24,Be engaged with multiple planetary gears 34, gear ring 36 surrounds the outside of this planetary gear 34 and installs.
Because planetary gear 34 engages with central gear 32 and gear ring 36, so, along with sun toothThe rotation of wheel 32, planetary gear 34, in rotation, rotates around central gear 32.
Planetary gear 34 is engaged in central gear 32, revolves round the sun, thereby realize in rotationSlow down, by supporting revolvably the carrier 38 of this planetary gear 34, outputting rotary power.
The carrier 38 of one embodiment of the present of invention is positioned at the inner side of wheel hub foreign steamer 40, also holds simultaneouslyThe function of wheel in the wheel hub that row and wheel member 65 together rotate.
Carrier 38 utilizes the link of fixed component 62, is fixed on the madial wall 69 of wheel member 65,Because the rotation of carrier 38 realizes the rotation of taking turns member 65.
Install in the outside that wheel hub foreign steamer 40 cylindraceous surrounds the second reduction part 30, this wheel hubForeign steamer 40 is directly fixed on vehicle body, or is fixed on motor part 10.
For reducing the friction occurring when driving shaft 19 rotates with deceleration connecting portion 24 and carrier 38 etc.And bearing portion 50 is installed.
The bearing portion 50 of an embodiment comprises and being installed between carrier 38 and wheel hub foreign steamer 40Hub bearing 51.
The technological thought of hub bearing 51 is to be installed on the both sides of planetary gear 34, outside reduction wheel hubThe friction occurring between wheel 40 and carrier 38, in the scope of this technological thought, can be usedThe bearing of multiple kind.
The hub bearing 51 of an embodiment uses angular contact ball bearing (AngularContactBallBearing)。
Hub bearing 51 is in the time of vehicle traction, and the loading of transmitting to wheel member 65 from road surface is supported in performanceHub bearing effect, meanwhile, aim at carrier 38 and the wheel hub foreign steamer 40 that possesses gear ring 36Central shaft, makes gear can successfully engage rotation.
The foreign steamer of hub bearing 51 and interior wheel can be by the wheel hub foreign steamer 40 and the performance wheels that possess gear ring 36In hub, the carrier 38 of wheel effect is held a concurrent post.
Hub bearing 51 is placed in planetary gear 34 therebetween and is spaced from each other, hub bearing 51Ball interval forms widelyr, and therefore, the loading that puts on hub bearing 51 is dispersed, hub spindleHolding life-span of 51 increases.
In addition, in assembling planetary gear 34, realize the assembling of hub bearing 51, therefore,Flow chart reduces, owing to only carrying out the packaging operation of hub bearing 51, so can omit planetThe packaging operation of gear 34.
In addition, it is little that the planetary gear 34 between hub bearing 51 is subject to the impact of external force, so,The engagement of gear is accurate, has improved the operating reliability of equipment.
In the inner side of wheel member 65, be fixed with the brake disc 52 that bending forms, this brake disc 52End contact caliper 54, rotation suffers restraints.
Caliper 54 possesses the pad with brake pedal interlock, and this pad contact brake disc 52, producesRaw friction, thereby the rotation of constraint wheel member 65.
The technological thought of wheel member 65 is, with carrier 38 one rotations, to supply tire 60 along outsideCircumference is installed, and in the scope of this technological thought, can carry out various deformation enforcement.
Wheel member 65 comprises: wheel rim 67, in the form of a ring, supports tire 60; And madial wall69, the part of wheel rim 67 central openings is sealed.
On the other hand, in the inner side of connecting axle member 29 and central gear 32, possess and have the lubricated stream of usingRoad 74, forms along the second reduction part 30 the oily movable passageway of bringing into play lubrication.
In addition, possess the cooling stream 76 of using, form performance along the motor case 12 of motor part 10 coolingThe oily movable passageway of effect, prevents the overheated of motor part 10.
Coolingly be radial installation along motor case 12 with stream 76, can realize at short notice horseReach the cooling of portion 10.
To this lubricated with stream 74 and coolingly supply oily oil pump 70 with stream 76 and contact motor part10 install, and in being engaged in driven gear 28 and being rotated, produce pressure differential.
Supply lower end, outside that oily fuel tank 72 is installed on motor case 12 (below to scheme to oil pump 701 is benchmark), to the oil of circulation wheel inner driving device 1 can be collected by means of gravity.
With reference to the accompanying drawings, describe the work of the wheel inner driving device 1 of one embodiment of the invention in detailState.
As depicted in figs. 1 and 2, if the driving shaft 1 of motor part 10 rotates, so, be connected inThe driven wheel 22 of the first reduction part 20 of driving shaft 19 is rotated.
If driven wheel 22 rotates, so, the driven gear 28 that is engaged in driven wheel 22 existsWhen rotation, realize for the first time and slowing down, idler gear portion 26 together rotates with driven gear 28.
If rotate with the connecting axle member 29 of idler gear portion 26 one rotations, so, be connected inThe central gear 32 of the second reduction part 30 of connecting axle member 29 is rotated.
Due to the rotation of central gear 32, planetary gear 34 is in rotation, along central gear 32Circumference revolve round the sun, the carrier 38 of support planetary gears 34 rotation in, realize secondInferior deceleration.
Because the wheel member 65 that is connected in carrier 38 rotates, so, be installed in wheel member 65The tire 60 in outside also rotates, and realizes travelling of vehicle.
According to formation as above, the wheel inner driving device 1 of an embodiment with motor part 10In the first reduction part 20 connecting, realize after deceleration, realize and slowing down by means of the second reduction part 30, instituteWith, can increase driving moment, improve the driving force of motor.
In addition, by the oil circulation by oil pump 70, realize coolingly and lubricated, can improve productDurability.
The present invention is illustrated with reference to embodiment shown in the drawings, and still, this is example,Person of an ordinary skill in the technical field is to be understood that: can realize thus various deformation and impartial itsHe is embodiment.
In addition, although be to be that example is illustrated for the wheel inner driving device of electric automobile, thisJust example, the inner driving device of taking turns of the present invention can be for being not other fortune of electric automobile yetConveying device or passenger traffic device.
Claims (2)
1. a wheel inner driving device, is characterized in that comprising:
Motor part, produces power;
The first reduction part, is connected with the driving shaft of described motor part, realizes and slowing down;
The second reduction part, comprises central gear, planetary gear and carrier, wherein, and described sun toothWheel is connected in described the first reduction part and is rotated, and described planetary gear along described central gear aroundBe rotated, described carrier and described planetary gear together rotate;
Wheel hub foreign steamer, to surround the shape setting in described the second reduction part outside, possesses in inner side and instituteState the gear ring of planetary gear engagement;
Wheel member, with described carrier one rotation, installs for wheel tyre bead periphery; And
Hub bearing, is installed on described planetary both sides, reduce described wheel hub foreign steamer with described in holdThe friction occurring between carrier; Wherein
Described the first reduction part comprises: driven wheel, is connected with described driving shaft; And the connection of slowing downPortion, possesses and is engaged in the driven gear that described driven wheel rotates, with axle and described central gearConnect;
Described deceleration connecting portion comprises: connecting axle member and idler gear portion; Wherein, described connecting axleMember extends and is connected in described central gear from the pivot of described idler gear portion; Described centreGear part, forms along outside for described driven gear;
Lubricated with stream, form along described the second reduction part the oily movable passageway of bringing into play lubrication;
Cooling with stream, be radial formation performance cooling effect along the motor case of described motor partThe movable passageway of oil; And
Oil pump, to described lubricated with stream and described cooling with stream supply oil.
2. the inner driving device of taking turns according to claim 1, is characterized in that:
Described wheel hub foreign steamer is fixed on described motor part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0057936 | 2011-06-15 | ||
| KR1020110057936A KR20120138455A (en) | 2011-06-15 | 2011-06-15 | In-wheel working device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102826003A CN102826003A (en) | 2012-12-19 |
| CN102826003B true CN102826003B (en) | 2016-05-25 |
Family
ID=47329392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210188757.9A Active CN102826003B (en) | 2011-06-15 | 2012-06-08 | Wheel inner driving device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20120138455A (en) |
| CN (1) | CN102826003B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101489078B1 (en) * | 2013-07-12 | 2015-02-02 | 현대다이모스(주) | In-wheel driving apparatus for electric vehicle |
| JP6826378B2 (en) * | 2016-06-01 | 2021-02-03 | Ntn株式会社 | In-wheel motor drive |
| ITUA20164391A1 (en) * | 2016-06-15 | 2017-12-15 | Bonfiglioli Riduttori Spa | MOTOR |
| CN106402292A (en) * | 2016-08-21 | 2017-02-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Wheel driving integrated device for vehicle |
| CN110154735A (en) * | 2018-05-15 | 2019-08-23 | 北京理工大学 | A kind of Electric Motor Wheel and vehicle |
| CN110654225A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Wheel driving system and vehicle |
| CN110654224B (en) * | 2018-06-29 | 2022-03-18 | 比亚迪股份有限公司 | Wheel driving system and vehicle |
| KR102626712B1 (en) * | 2018-12-27 | 2024-01-17 | 현대트랜시스 주식회사 | In-wheel motor powertrain |
| JP7172823B2 (en) * | 2019-04-16 | 2022-11-16 | 株式会社デンソー | rotary actuator |
| CN110939691A (en) * | 2020-02-24 | 2020-03-31 | 盛瑞传动股份有限公司 | Compound planetary transmission device |
| CN114483905A (en) * | 2022-02-21 | 2022-05-13 | 浙江万向精工有限公司 | Novel wheel edge integrated system |
| CN115215264A (en) * | 2022-06-07 | 2022-10-21 | 采埃孚合力传动技术(合肥)有限公司 | Electric fork-lift double-drive system |
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| US20060225930A1 (en) * | 2005-04-07 | 2006-10-12 | Schulte Juergen J | Dual axle electric motor drive and method of use |
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2011
- 2011-06-15 KR KR1020110057936A patent/KR20120138455A/en not_active Application Discontinuation
-
2012
- 2012-06-08 CN CN201210188757.9A patent/CN102826003B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1110790A1 (en) * | 1999-12-13 | 2001-06-27 | Sampingranaggi S.r.l. | A reduction gear unit with built-in brake for industrial vehicles |
| JP2004168211A (en) * | 2002-11-21 | 2004-06-17 | Toyota Industries Corp | Electric wheel driving device |
| CN101427045A (en) * | 2006-03-24 | 2009-05-06 | 小松优特力株式会社 | Battery forklift drive unit |
| EP2210757A1 (en) * | 2009-01-23 | 2010-07-28 | Greengt SA | Vehicle and drive unit with electric motors. |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120138455A (en) | 2012-12-26 |
| CN102826003A (en) | 2012-12-19 |
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