CN102826003A - Wheel drive unit - Google Patents

Wheel drive unit Download PDF

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Publication number
CN102826003A
CN102826003A CN2012101887579A CN201210188757A CN102826003A CN 102826003 A CN102826003 A CN 102826003A CN 2012101887579 A CN2012101887579 A CN 2012101887579A CN 201210188757 A CN201210188757 A CN 201210188757A CN 102826003 A CN102826003 A CN 102826003A
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CN
China
Prior art keywords
wheel
driving device
gear
carrier
sun 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.)
Granted
Application number
CN2012101887579A
Other languages
Chinese (zh)
Other versions
CN102826003B (en
Inventor
申景浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Mobis Co Ltd
Original Assignee
Hyundai Mobis Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyundai Mobis Co Ltd filed Critical Hyundai Mobis Co Ltd
Publication of CN102826003A publication Critical patent/CN102826003A/en
Application granted granted Critical
Publication of CN102826003B publication Critical patent/CN102826003B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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 invention relates to a wheel drive unit which is characterized by comprising a motor part to generate power; a first decelerating part connected with a drive shaft of the motor unit so as to achieve deceleration; a second decelerating part comprising a sun gear, a planetary gear and a carrier, wherein the sun gear is connected to the first decelerating part to rotate, the planetary gear rotates around the circumference of the sun gear, and the carrier rotates with the planetary gear; an outer contour of wheel hub mounted in such a shape that surrounds the outside of the second deceleration part and having a ring gear meshed with the planetary gear at the inner side thereof; and a wheel member rotating integrally with the carrier and used for installation of a tire along the outer circumference.

Description

The wheel inner driving device
Technical field
The present invention relates to a kind of inner driving device of taking turns, relate in particular to the installing space that can reduce retarder, make the minimized inner driving device of taking turns of interference realization with miscellaneous part.
Background technology
Along with fossil fuel is exhausted day by day, developing the electronlmobil that electric energy stored drives motor in the battery, substitute the vehicle that uses such as the fossil fuel of gasoline, diesel oil etc.
Electronlmobil is divided into: only utilize the pure electric vehicle that electric energy stored drives motor in the rechargeable battery; The solar cell vehicle that utilizes photoemissive element that motor is driven; The fuel-cell vehicle that utilization uses the fuel cell of hydrogen raw material that motor is driven; Utilize fossil fuel that engine is driven, utilizes and electric motor is driven, thereby use motor vehicle driven by mixed power of engine and motor etc. simultaneously.
Generally speaking; The wheel inner driving device is as being the technology of using in the automobile of propulsion source with electric such as electronlmobil; Be different from the mode of rotating by means of drive wheels in gasoline or the diesel car through the transmission of power of engine and change-speed box and axle drive shaft; But by be disposed at left and right sidesing driving wheel or about and before and after four drive wheel in-to-in motors, to the technology of the direct transferring power of wheel.
Above-mentioned technology constitutes as being used for help and understands background technology of the present invention, and does not mean that it is the technology in the past that technical field is widely known by the people under the present invention.
Summary of the invention
(technical matters that will solve)
Wheel inner driving device has in the past strengthened the motor radius, need not the increase that retarder has just been realized drive torque, but because so, exists wheel diameters to become big problem.Therefore, need improve this.
The present invention researches and develops for improving as above problem, and its purpose is to provide a kind of inner driving device of taking turns, and the space that retarder is installed realizes minimizing, and reduces wheel diameters, increases drive torque.
(means of dealing with problems)
The inner driving device of taking turns of the present invention comprises: motor part produces power; First reduction part is connected with the axle drive shaft of motor part, realizes slowing down; Second reduction part comprises sun gear, planetary wheel and carrier, and wherein, said sun gear is connected in first reduction part and is rotated, and said planetary wheel is rotated along the circumference of sun gear, and said carrier and planetary wheel together rotate; The wheel hub foreign steamer is installed with the shape of surrounding second reduction part outside, possesses and planetary wheel ingear gear ring in the inboard; And the wheel member, with said carrier one rotation, supply wheel tyre bead outer circumference to install.
In addition, preferred first reduction part comprises: driven wheel is connected with axle drive shaft; And the deceleration connecting portion, possess and be engaged in the driven gear that driven wheel rotates, be connected with said sun gear with axle.
In addition, the connecting portion that preferably slows down comprises: the adapter shaft member is connected in sun gear; And intermediate gear portion, be connected in the adapter shaft member, supply said driven gear to form along the outside.
In addition, preferred wheel hub foreign steamer is fixed in motor part.
In addition, preferred the present invention also comprises: the lubricated stream of using, and said second reduction part in edge forms the movable passageway of the oil of performance lubricating effect; Stream is used in cooling, forms the movable passageway of the oil of performance cooling effect along the motor case of said motor part; And oil pump, to said lubricated oily with the stream supply with stream and said cooling.
In addition, preferred the present invention also comprises hub bearing, is installed on planetary both sides, reduces the friction that takes place between wheel hub foreign steamer and the carrier.
(effect of invention)
Of the present invention take turns inner driving device be with motor part bonded assembly first reduction part in realize to slow down after, realize slowing down by means of second reduction part, so, can increase drive torque, improve the propulsive effort of motor.
In addition, the present invention is based on the circulation of the oil of oil pump, realize cooling and lubricated, thereby can improve durability of products.
Description of drawings
Fig. 1 is the section-drawing that briefly shows the wheel inner driving device of one embodiment of the invention.
Fig. 2 is the section-drawing of first reduction part and second reduction part of enlarged and displayed one embodiment of the invention.
(label declaration)
1: the wheel inner driving device
10: motor part 12: motor case
13: protrusion member 14: protective case member
16: stator 18: rotor
19: 20: the first reduction part of axle drive shaft
22: driven wheel 24: the deceleration connecting portion
26: intermediate gear portion 28: driven gear
29: 30: the second reduction part of adapter shaft member
32: sun gear 34: planetary wheel
36: gear ring 38: carrier
40: wheel hub foreign steamer 50: bearing portion
51: hub bearing 52: brake disc
54: brake clamp 60: tire
62: stationary member 65: the wheel member
67: wheel rim 69: madial wall
70: oil pump 72: fuel tank
74: lubricated with stream 76: stream is used in cooling
The specific embodiment
With reference to the accompanying drawings, an embodiment who takes turns inner driving device of the present invention is described.For the facility of explanation, be that example describes with the wheel inner driving device that is used for electronlmobil.In this process, the thickness of the lines that show in the accompanying drawing or the size of structural element etc. are for the definition on explaining may show with facility turgidly.In addition, after the term that defines as considering function in the present invention of the term stated, may be different because of user, operator's intention or convention.Therefore, should confirm based on this specification sheets content in full for the definition of this term.
Fig. 1 is the section-drawing that briefly shows the wheel inner driving device of one embodiment of the invention, and Fig. 2 is the section-drawing of first reduction part and second reduction part of enlarged and displayed one embodiment of the invention.
As depicted in figs. 1 and 2, the wheel inner driving device 1 of one embodiment of the invention possesses: motor part 10, generation power; First reduction part 20 is connected with the axle drive shaft 19 of motor part 10, realizes slowing down.
Be connected in first reduction part 20 and realize that second reduction part 30 of slowing down comprises: sun gear 32 is connected in first reduction part 20 and is rotated; Planetary wheel 34 is rotated around sun gear 32; Carrier 38 together rotates with said planetary wheel 34.
Wheel hub foreign steamer 40 is installed with the shape in the outside that surrounds said second reduction part 30, in the inboard of wheel hub foreign steamer 40, possesses and planetary wheel 34 ingear gear rings 36.
Outer circumference along the wheel member 65 of the carrier 38 one rotation that possesses with second reduction part 30 is equipped with tire 60.
Motor part 10 produces the power that wheel member 65 is rotated, and it comprises: motor case 12, surround stator 16 and rotor 18, and be fixed in vehicle body; And protective case member 14, be incorporated into motor case 12.
One side of motor case 12 (following is benchmark with Fig. 1, is the left side) opening, with cylindric formation, the side at this motor case 12 is combined with protective case member 14.
In the inboard of motor case 12, stator 16 is installed, with this stator 16 rotor 18 is installed with leaving.
Because rotor 18 is connected with axle drive shaft 19, so along with the rotation of rotor 18, axle drive shaft 19 also is rotated.
Be after the power that makes motor part 10 is realized slowing down for the first time,, in the scope of this technological thought, can use the speed reduction gearing of multiple kind with the technological thought of axle drive shaft 19 bonded assemblys first reduction part 20 to second reduction part, 30 transferring power.
First reduction part 20 of an embodiment comprises: driven wheel 22 is connected with axle drive 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, and protrusion is arranged at the outside of motor case 12.
Because this driven wheel 22 is engaged in the driven gear 28 that deceleration connecting portion 24 possesses and is rotated, thereby deceleration connecting portion 24 is rotated.
Deceleration connecting portion 24 comprises: intermediate gear portion 26, one side openings, with cylindric formation; And adapter shaft member 29, from the centre of gration prolongation of intermediate gear portion 26, be connected in the sun gear 32 of second reduction part 30 with axle.
The technological thought of intermediate gear portion 26 is, is connected in adapter shaft member 29, supplies driven gear 28 to form along the outside, in the scope of this technological thought, forms with multiple shape.
Protrusion member 13 in the outside of this protrusion member 13, is provided with intermediate gear portion 26 to the opposite side (following is benchmark with Fig. 1, is the right side) of motor case 12 protrusion, thereby is the center with protrusion member 13, realizes the rotation of intermediate gear portion 26.
Between this protrusion member 13 and intermediate gear portion 26, be provided with bearing portion 50, thereby can reduce the friction that takes place when intermediate gear portion 26 rotates.
The technological thought of second reduction part 30 is, is connected with the deceleration connecting portion 24 that constitutes first reduction part 20, realizes deceleration, in the scope of this technological thought, can use multiple transmission system.
Second reduction part 30 of an embodiment comprises: sun gear 32 is connected with adapter shaft member 29; Gear ring 36 in the form of a ring, is fixed in the inboard of wheel hub foreign steamer 40, is formed with the gear teeth in the inboard; Planetary wheel 34 is between sun gear 32 and gear ring 36; And carrier 38, support planetary gears 34 is fixed in wheel member 65.
On the sun gear 32 that the adapter shaft member 29 that is connected in deceleration connecting portion 24 is rotated, be engaged with a plurality of planetary wheels 34, install in the outside that gear ring 36 surrounds this planetary wheel 34.
Because planetary wheel 34 and sun gear 32 and gear ring 36 engagements are so along with the rotation of sun gear 32, planetary wheel 34 is in rotation, in sun gear 32 rotation on every side.
Planetary wheel 34 is engaged in sun gear 32, in rotation, revolves round the sun, thereby realizes slowing down, through the carrier 38 that supports this planetary wheel 34 revolvably, outputting rotary power.
The carrier 38 of one embodiment of the present of invention is positioned at the inboard of wheel hub foreign steamer 40, also carries out the function of wheel in the wheel hub that together rotates with wheel member 65 simultaneously.
Carrier 38 utilizes the binding of stationary member 62, is fixed in the madial wall 69 of wheel member 65, realizes taking turns the rotation of member 65 owing to the rotation of carrier 38.
Install in the outside that wheel hub foreign steamer 40 cylindraceous surrounds second reduction part 30, and this wheel hub foreign steamer 40 is directly fixed on vehicle body, or is fixed in motor part 10.
The friction that takes place during for rotations such as reduction axle drive shaft 19 and deceleration connecting portion 24 and carriers 38 is equipped with bearing portion 50.
The bearing portion 50 of an embodiment comprises the hub bearing 51 that is installed between carrier 38 and the wheel hub foreign steamer 40.
The technological thought of hub bearing 51 is, is installed on the both sides of planetary wheel 34, reduces the friction of generation between wheel hub foreign steamer 40 and the carrier 38, in the scope of this technological thought, can use the bearing of multiple kind.
The hub bearing 51 of an embodiment uses angular contact ball bearing (Angular Contact Ball Bearing).
Hub bearing 51 is when vehicular drive, and the hub bearing effect of the loading of transmitting to wheel member 65 from the road surface is supported in performance, simultaneously, aims at carrier 38 and the center shaft that possesses the wheel hub foreign steamer 40 of gear ring 36, makes gear can successfully mesh rotation.
The foreign steamer of hub bearing 51 and interior wheel can be held a concurrent post by the carrier 38 of wheel effect in wheel hub foreign steamer 40 that possesses gear ring 36 and the performance wheel hub.
Hub bearing 51 places planetary wheel 34 therebetween and is spaced from each other, the ball of hub bearing 51 form at interval broad, therefore, the loading that puts on hub bearing 51 is disperseed, life-span of hub bearing 51 increases.
In addition, in assembling planetary wheel 34, realize the assembling of hub bearing 51, therefore, flow chart reduces, owing to only carry out the packaging operation of hub bearing 51, so can omit the packaging operation of planetary wheel 34.
In addition, it is little that the planetary wheel 34 between hub bearing 51 receives the influence of external force, so gear meshing is accurate, improved the operating reliability of equipment.
In the inboard of wheel member 65, be fixed with the brake disc 52 that bending forms, the end contact brake clamp 54 of this brake disc 52, rotation suffers restraints.
Brake clamp 54 possesses the pad with the brake pedal interlock, and this pad contact brake disc 52 produces friction, thus the rotation of constraint wheel member 65.
The technological thought of wheel member 65 is that with the rotation of carrier 38 one, confession tire 60 is installed along outer circumference, in the scope of this technological thought, can carry out various deformation and implement.
Wheel member 65 comprises: wheel rim 67, in the form of a ring, support tire 60; And madial wall 69, the part of wheel rim 67 central openings is sealed.
On the other hand,, possess to have and lubricate, form the movable passageway of the oil of performance lubricating effects along second reduction part 30 with stream 74 in the inboard of adapter shaft member 29 and sun gear 32.
In addition, possess cooling, form the movable passageway of the oil of bringing into play cooling effects, prevent the overheated of motor part 10 along the motor case of motor part 10 12 with stream 76.
Cooling is radial installation with stream 76 along motor case 12, can realize the cooling of motor part 10 at short notice.
Lubricatedly install with the oil pump 70 contact motor part 10 of stream 76 supply oil to this, be engaged in when driven gear 28 is rotated the generation difference of pressure with stream 74 and cooling.
Fuel tank 72 to oil pump 70 supply oil is installed on the lower end, the outside (following is benchmark with Fig. 1) of motor case 12, so that the oil of circulation wheel inner driving device 1 can be compiled by means of gravity.
With reference to the accompanying drawings, specify the mode of operation of the wheel inner driving device 1 of one embodiment of the invention.
As depicted in figs. 1 and 2, if 1 rotation of the axle drive shaft of motor part 10, so, the driven wheel 22 that is connected in first reduction part 20 of axle drive shaft 19 is rotated.
If driven wheel 22 rotations, so, the driven gear 28 that is engaged in driven wheel 22 is realized slowing down for the first time in rotation, and intermediate gear portion 26 together rotates with driven gear 28.
If with 26 one rotary connecting shaft members, 29 rotations of intermediate gear portion, so, the sun gear 32 that is connected in second reduction part 30 of adapter shaft member 29 is rotated.
Because the rotation of sun gear 32, planetary wheel 34 be in rotation, revolve round the sun along the circumference of sun gear 32, the carrier 38 of support planetary gears 34 is realized slowing down for the second time in rotation.
Owing to be connected in wheel member 65 rotations of carrier 38, so the tire 60 that is installed in the outside of wheel member 65 also rotates, and realizes going of vehicle.
According to aforesaid formation, the wheel inner driving device 1 of an embodiment with motor part 10 bonded assemblys first reduction part 20 in realize to slow down after, realize slowing down by means of second reduction part 30, so, can increase drive torque, improve the propulsive effort of motor.
In addition,, realize cooling and lubricated, can improve durability of products by circulation of the oil through oil pump 70.
The present invention is illustrated with reference to embodiment shown in the drawings, and still, this is an example, and the those of ordinary skill of affiliated technical field is to be understood that: can realize various deformation and other impartial embodiment thus.
In addition, though be to be that example is illustrated with the wheel inner driving device that is used for electronlmobil, this is an example, and of the present invention to take turns that inner driving device also can be used to not be other conveying arrangements or the passenger traffic device of electronlmobil.

Claims (6)

1. take turns inner driving device for one kind, it is characterized in that comprising:
Motor part produces power;
First reduction part is connected with the axle drive shaft of said motor part, realizes slowing down;
Second reduction part; Comprise sun gear, planetary wheel and carrier, wherein, said sun gear is connected in said first reduction part and is rotated; Said planetary wheel is rotated around said sun gear, and said carrier and said planetary wheel together rotate;
The wheel hub foreign steamer to surround the shape setting in said second reduction part outside, possesses and said planetary wheel ingear gear ring in the inboard; And
The wheel member with said carrier one rotation, supplies wheel tyre bead periphery to install.
2. the inner driving device of taking turns according to claim 1 is characterized in that, said first reduction part comprises:
Driven wheel is connected with said axle drive shaft; And
The deceleration connecting portion possesses and is engaged in the driven gear that said driven wheel rotates, and is connected with said sun gear with axle.
3. the inner driving device of taking turns according to claim 2 is characterized in that, said deceleration connecting portion comprises:
The adapter shaft member is connected in said sun gear; And
Intermediate gear portion is connected in said adapter shaft member, supplies said driven gear to form along the outside.
4. the inner driving device of taking turns according to claim 1 is characterized in that:
Said wheel hub foreign steamer is fixed in said motor part.
5. the inner driving device of taking turns according to claim 1 is characterized in that also comprising:
The lubricated stream of using, said second reduction part in edge forms the movable passageway of the oil of performance lubricating effect;
Stream is used in cooling, forms the movable passageway of the oil of performance cooling effect along the motor case of said motor part; And
Oil pump is to said lubricated oily with the stream supply with stream and said cooling.
6. the inner driving device of taking turns according to claim 1 is characterized in that: also comprise hub bearing, be installed on said planetary both sides, reduce the friction that takes place between said wheel hub foreign steamer and the said carrier.
CN201210188757.9A 2011-06-15 2012-06-08 Wheel inner driving device Active CN102826003B (en)

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 true CN102826003A (en) 2012-12-19
CN102826003B CN102826003B (en) 2016-05-25

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JP2017214014A (en) * 2016-06-01 2017-12-07 Ntn株式会社 In-wheel motor drive device
CN109715988A (en) * 2016-06-15 2019-05-03 邦飞利减速器股份有限公司 Gear motor
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
CN110654224A (en) * 2018-06-29 2020-01-07 比亚迪股份有限公司 Wheel driving system and vehicle
CN110939691A (en) * 2020-02-24 2020-03-31 盛瑞传动股份有限公司 Compound planetary transmission device
CN111828553A (en) * 2019-04-16 2020-10-27 株式会社电装 Rotary actuator
CN114483905A (en) * 2022-02-21 2022-05-13 浙江万向精工有限公司 Novel wheel edge integrated system

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KR101489078B1 (en) * 2013-07-12 2015-02-02 현대다이모스(주) In-wheel driving apparatus for electric vehicle
KR102626712B1 (en) * 2018-12-27 2024-01-17 현대트랜시스 주식회사 In-wheel motor powertrain
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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