CN106246822A - Wheel motor drive device with planet speed change mechanism - Google Patents

Wheel motor drive device with planet speed change mechanism Download PDF

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Publication number
CN106246822A
CN106246822A CN201610842924.5A CN201610842924A CN106246822A CN 106246822 A CN106246822 A CN 106246822A CN 201610842924 A CN201610842924 A CN 201610842924A CN 106246822 A CN106246822 A CN 106246822A
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China
Prior art keywords
planet
gear
row
speed change
gearshift
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CN201610842924.5A
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Chinese (zh)
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CN106246822B (en
Inventor
盖江涛
周广明
张欣
马田
孙占春
马长军
刘树成
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China North Vehicle Research Institute
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China North Vehicle Research Institute
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Publication of CN106246822B publication Critical patent/CN106246822B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62Gearings having three or more central gears
    • F16H3/64Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/2002Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears

Abstract

The invention belongs to electromechanical combined drive technology field, particularly relate to the wheel motor drive device of a kind of band planet speed change mechanism.Compared with prior art, within driving motor, speed change retarding mechanism and arrestment mechanism are integrated in a wheel rim by the present invention, by the function of stepless speed regulation of motor, vehicle is made to possess good dynamic property;The present invention realizes the switching of low or first gear and top gear by electromagnetic clutch to the manipulation of sliding sleeve, decreases frictional dissipation, improves transmission efficiency;The structures such as the driving motor of the present invention, planet speed change mechanism and arrestment mechanism carry out integrated design, and on the one hand support member can share, and is reduced in size, and are on the other hand easy to integral demounting and maintenance.

Description

Wheel motor drive device with planet speed change mechanism
Technical field
The invention belongs to electromechanical combined drive technology field, the wheel hub motor being specifically related to a kind of band planet speed change mechanism drives Dynamic device.
Background technology
Under New military transform background, the army material thought of " lighter, more motor-driven, more flexible " has become main Stream.Reaction and dispose the faster Vehicle De L'Avant Blinde By Creussot of speed in fast reserve operations such as the urban operation of following ground force reply, peacekeepings Very important effect will be played in fighting with increasing low-intensity.Cross-country traveling ability is another of wheeled battlebus of new generation Key technical feature, along with the increase of universe mobility demand, the particularly operational need in plateau, mountain region, tableland, to wheeled The all-terrain demand of battlebus is greatly improved.Various novel running gears, the technological innovation of suspension system, substantially increase wheel Formula battlebus pass through performance.Wheel hub drives possesses clear superiority: 1, can to replace traditional power total for In-wheel motor driving system Become, simplify chassis structure, it is achieved the maximization of interior space, make car load flexible layout;2, wheel motor unsprung mass is less, flat Pliable maneuverability more preferably, but takies the internal space of part;3, driving-chain can be shortened, transmission efficiency is greatly improved, promote vehicle Fuel economy and dynamic property;4, real entirely driving, by the Based Intelligent Control to driving force in real time can be realized, it is possible to realize leading The functions such as gravitation control and stability control;5, possesses speed difference turning function, it is possible to coordinate realization with all-wheel control system more " double control surface " of advantage controls, it is achieved vehicle composite turning.In-wheel motor driving system is a new generation of China Vehicle De L'Avant Blinde By Creussot Provide high performance driven Design scheme a focus.
Either at civil area still in military domain, the most carry out the long period around In-wheel motor driving R&D work.The U.S. just have developed 6 × 6 electric vehicle test platforms, Sweden, Britain, Germany, South Africa, method as far back as 1986 State, Japan etc. have also successively carried out the research of hub drive system.China's In-wheel motor driving technical research starting is than abroad more relatively Evening, but my army notices the potential advantages of wheel hub motor very early, continuous several five-year plans all arrange special topic and gives emphasis and prop up Hold.Through early-stage Study, China's wheel hub (wheel limit) motor-drive technique has had been provided with certain Research foundation, but advanced with external Level is compared still certain gap, and technical scheme is one of them.In the confined space within wheel rim, integrated motor, speed change/ Reducing gear, brake, it is also desirable to consider heat radiation and lubrication, and the suspension between electric driving wheel with car body is connected, wheel Hub motor drive overall plan choose the follow-up implementation directly determining each subsystem component, also contribute to the property of system Energy, reliability and manufacturing cost.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is: how to provide the hub drive device of a kind of band planet speed-change, by driving The function of stepless speed regulation of galvanic electricity machine, through two grades of gears, makes vehicle possess good dynamic property.
(2) technical scheme
For solving above-mentioned technical problem, the present invention provides the wheel motor drive device of a kind of band planet speed change mechanism, its Including: drive motor 1, planet speed change mechanism 2, arrestment mechanism 3, jackshaft 28, bracing frame 29, wheel hub 30, wheel rim 33;
Described driving motor 1 includes stator 8 and rotor 9;
Described planet speed change mechanism 2 is for two grades of speed changes, and it includes gearshift 4, first planet row 5, the second planet row 6 7 are arranged with third planet;
Described arrestment mechanism 3 includes inner attrition piece 31, outside friction disc 32;
Described gearshift 4 include electromagnetic clutch 10, stick 11, first shift gears tooth set the 12, second gearshift tooth set 13, Sliding sleeve the 14, the 3rd gearshift tooth set 15;
Described first planet row 5 includes: the first sun gear 16, the first row carrier 17, first planet wheels the 18, first gear ring 19;
Described second planet row 6 includes: second sun gear the 20, second planet carrier the 21, second planetary gear set the 22, second gear ring 23;
Described third planet row 7 includes: the 3rd sun gear 24, the third line carrier 25, third planet wheels the 26, the 3rd gear ring 27;
The stator 9 of described driving motor 1 is fixing with electric machine casing to be connected, and is connected with the first gear ring 19 and bracing frame 29; Rotor 8 output speed is connected with jackshaft 28, and is connected with the 3rd sun gear 24 by jackshaft 28;
In described gearshift 4, described stick 11 one end is connected with electromagnetic clutch 10, the other end and sliding sleeve 14 phase Even;Described first gearshift tooth set 12 is connected with electric machine casing;Second gearshift tooth set 13 is connected with the second planet carrier 21;3rd gearshift Tooth set 15 is connected with the first sun gear 16;Sliding sleeve 14 overlaps the 13, the 3rd gearshift tooth with first gearshift tooth set the 12, second gearshift tooth respectively Overlap 15 selectivity engagements;
In described planet speed change mechanism 2, the first sun gear 16 is connected with the 3rd gearshift tooth set 15;The first row carrier 17 is simultaneously It is connected with the second gear ring 23 and the 3rd gear ring 27, and by being connected output to wheel rim 33 with wheel hub 30;First gear ring 17 with Electric machine casing and bracing frame 29 are connected;Described second sun gear 20 is connected with the third line carrier 25;Described 3rd sun gear 24 with Jackshaft 28 is connected;First planet wheels 18 engage with first sun gear the 16, first gear ring 19 respectively;Second planetary gear set 22 points Do not engage with second sun gear the 20, second gear ring 23;Third planet wheels 26 are nibbled with the 3rd sun gear the 24, the 3rd gear ring 27 respectively Close;
Inner attrition piece 31 in described arrestment mechanism 3 is connected with wheel hub 30 and wheel rim 33;Outside friction disc 32 and bracing frame 29 And electric machine casing is connected;
The sliding sleeve 14 of described gearshift 4 is controlled by electromagnetic clutch 10 by stick 11, is axially moveable, sliding sleeve 14 It is set to can be at two diverse locations:
Slide to the right, sliding sleeve 14 internal tooth and the second gearshift tooth set 13 connection, external tooth and the 3rd gearshift tooth set 15 connection;
Slide to the left, sliding sleeve 14 internal tooth and the second gearshift tooth set 13 connection, external tooth and the first gearshift tooth set 12 connection;
The transmission principle of this device is: the driving lever 11 of electromagnetic clutch 10 is handled sliding sleeve 14 and moved axially, when described sliding sleeve 14 slide to the right, and when being connected with the second gearshift tooth set 13 and the 3rd gearshift tooth set 15, planet speed change mechanism 2 is in one grade simultaneously, Realize vehicle low gear to travel;When described sliding sleeve 14 slides to the left, simultaneously with the first gearshift tooth set 12 and the second gearshift tooth set During 13 connection so that the second planet carrier 21 being attached thereto is connected with electric machine casing, the second gearshift tooth set 13 is braked, and planet becomes Speed mechanism 2 is in two grades, it is achieved vehicle high-speed gear travels;
Described driving motor 1, planet speed change mechanism 2, arrestment mechanism 3 are coaxially arranged.
Wherein, described driving motor 1 provides driving force, drives vehicle wheel rotation;
Described arrestment mechanism 3 provides brake force, brakes wheel rim 33.
Wherein, described first planet row 5 be interior external toothing double star row, and double star therein is arranged and each included: sun gear, One gear ring, a planet carrier and several planetary gears, sun gear, gear ring and planet carrier have a common fixing rotary shaft; Unlike common planetary row, in pairs, every pair of planetary gear forms one to several planetary gears of interior external toothing double star row Planetary gear set, the quantity of planetary gear set is at least three;Wherein, planetary gear paired in each planetary gear set engages each other, with Time one planetary gear engage with sun gear, another planetary gear engages with gear ring, and all planetary gears are supported on being fixed on planet On planetary gear axle on frame;When planet row operates, empty set planetary gear on planet carrier is around planet gear shaft rotation Revolve round the sun around sun gear together also as planet carrier simultaneously.
Wherein, described second planet row 6 and third planet row 7 be common planetary row, each include a sun gear, one Individual gear ring, a planet carrier and several planetary gears;Sun gear, gear ring and planet carrier have a common fixing rotary shaft, OK Star-wheel is bearing on the planetary gear axle being fixed on planet carrier, and sun gear external toothing, simultaneously with gear ring internal messing;Work as planet row During operating, empty set planetary gear on planet carrier while planet gear shaft rotation also as planet carrier together around sun gear Revolution;
Wherein, described arrestment mechanism 3 is dry type side friction brake, no-clutch;
Wherein, in work process, under a certain gear, motor 1 is driven to be in motoring condition, through planet speed change mechanism 2 Impart power to wheel rim 25, drive vehicle wheel rotation.
Wherein, described first planet wheels 18 are double-planet wheels.
(3) beneficial effect
Compared with prior art, the present invention provides the hub drive device of a kind of band planet speed-change, by driving motor Function of stepless speed regulation, through two grades of gears, make vehicle possess good dynamic property.The present invention uses electromagnetic clutch to grasp Vertical sliding sleeve slides axially, and makes sliding sleeve be in two different positions, corresponding one grade and two grades of two gears, it is achieved gear is cut Changing, this gearshift simple in construction, integrated level are high, realize two grades of speed changes and decelerating effect simultaneously, decrease fretting wear, efficiency High.Additionally, this technical scheme successfully realizes the integrated designs such as motor, planet speed change mechanism, arrestment mechanism, on the one hand support Part shares, and is reduced in size, and is on the other hand easy to integral demounting and maintenance.
Accompanying drawing explanation
Fig. 1 is the wheel motor drive device sketch of a kind of band planet speed change mechanism of the present invention.
Fig. 2 is the wheel motor drive device cross-sectional view of a kind of band planet speed change mechanism of the present invention.
Detailed description of the invention
For making the purpose of the present invention, content and advantage clearer, below in conjunction with the accompanying drawings and embodiment, to the present invention's Detailed description of the invention is described in further detail.
For solving problem of the prior art, the present invention provides the In-wheel motor driving dress for a kind of band planet speed change mechanism Put, as shown in Figure 1-2, comprising: drive motor 1, planet speed change mechanism 2, arrestment mechanism 3, jackshaft 28, bracing frame 29, wheel Hub 30, wheel rim 33;
Described driving motor 1 includes stator 8 and rotor 9;
Described planet speed change mechanism 2 is for two grades of speed changes, and it includes gearshift 4, first planet row 5, the second planet row 6 7 are arranged with third planet;
Described arrestment mechanism 3 includes inner attrition piece 31, outside friction disc 32;
Described gearshift 4 include electromagnetic clutch 10, stick 11, first shift gears tooth set the 12, second gearshift tooth set 13, Sliding sleeve the 14, the 3rd gearshift tooth set 15;
Described first planet row 5 includes: the first sun gear 16, the first row carrier 17, first planet wheels the 18, first gear ring 19;
Described second planet row 6 includes: second sun gear the 20, second planet carrier the 21, second planetary gear set the 22, second gear ring 23;
Described third planet row 7 includes: the 3rd sun gear 24, the third line carrier 25, third planet wheels the 26, the 3rd gear ring 27;
The stator 9 of described driving motor 1 is fixing with electric machine casing to be connected, and is connected with the first gear ring 19 and bracing frame 29; Rotor 8 output speed is connected with jackshaft 28, and is connected with the 3rd sun gear 24 by jackshaft 28;
In described gearshift 4, described stick 11 one end is connected with electromagnetic clutch 10, the other end and sliding sleeve 14 phase Even;Described first gearshift tooth set 12 is connected with electric machine casing;Second gearshift tooth set 13 is connected with the second planet carrier 21;3rd gearshift Tooth set 15 is connected with the first sun gear 16;Sliding sleeve 14 overlaps the 13, the 3rd gearshift tooth with first gearshift tooth set the 12, second gearshift tooth respectively Overlap 15 selectivity engagements;
In described planet speed change mechanism 2, the first sun gear 16 is connected with the 3rd gearshift tooth set 15;The first row carrier 17 is simultaneously It is connected with the second gear ring 23 and the 3rd gear ring 27, and by being connected output to wheel rim 33 with wheel hub 30;First gear ring 17 with Electric machine casing and bracing frame 29 are connected;Described second sun gear 20 is connected with the third line carrier 25;Described 3rd sun gear 24 with Jackshaft 28 is connected;First planet wheels 18 engage with first sun gear the 16, first gear ring 19 respectively;Second planetary gear set 22 points Do not engage with second sun gear the 20, second gear ring 23;Third planet wheels 26 are nibbled with the 3rd sun gear the 24, the 3rd gear ring 27 respectively Close;
Inner attrition piece 31 in described arrestment mechanism 3 is connected with wheel hub 30 and wheel rim 33;Outside friction disc 32 and bracing frame 29 And electric machine casing is connected;
The sliding sleeve 14 of described gearshift 4 is controlled by electromagnetic clutch 10 by stick 11, is axially moveable, sliding sleeve 14 It is set to can be at two diverse locations:
Slide to the right, sliding sleeve 14 internal tooth and the second gearshift tooth set 13 connection, external tooth and the 3rd gearshift tooth set 15 connection;
Slide to the left, sliding sleeve 14 internal tooth and the second gearshift tooth set 13 connection, external tooth and the first gearshift tooth set 12 connection;
The transmission principle of this device is: the driving lever 11 of electromagnetic clutch 10 is handled sliding sleeve 14 and moved axially, when described sliding sleeve 14 slide to the right, and when being connected with the second gearshift tooth set 13 and the 3rd gearshift tooth set 15, planet speed change mechanism 2 is in one grade simultaneously, Realize vehicle low gear to travel;When described sliding sleeve 14 slides to the left, simultaneously with the first gearshift tooth set 12 and the second gearshift tooth set During 13 connection so that the second planet carrier 21 being attached thereto is connected with electric machine casing, the second gearshift tooth set 13 is braked, and planet becomes Speed mechanism 2 is in two grades, it is achieved vehicle high-speed gear travels;
Described driving motor 1, planet speed change mechanism 2, arrestment mechanism 3 are coaxially arranged.
Wherein, described driving motor 1 provides driving force, drives vehicle wheel rotation;
Described arrestment mechanism 3 provides brake force, brakes wheel rim 33.
Wherein, described first planet row 5 be interior external toothing double star row, and double star therein is arranged and each included: sun gear, One gear ring, a planet carrier and several planetary gears, sun gear, gear ring and planet carrier have a common fixing rotary shaft; Unlike common planetary row, in pairs, every pair of planetary gear forms one to several planetary gears of interior external toothing double star row Planetary gear set, the quantity of planetary gear set is at least three;Wherein, planetary gear paired in each planetary gear set engages each other, with Time one planetary gear engage with sun gear, another planetary gear engages with gear ring, and all planetary gears are supported on being fixed on planet On planetary gear axle on frame;When planet row operates, empty set planetary gear on planet carrier is around planet gear shaft rotation Revolve round the sun around sun gear together also as planet carrier simultaneously.
Wherein, described second planet row 6 and third planet row 7 be common planetary row, each include a sun gear, one Individual gear ring, a planet carrier and several planetary gears;Sun gear, gear ring and planet carrier have a common fixing rotary shaft, OK Star-wheel is bearing on the planetary gear axle being fixed on planet carrier, and sun gear external toothing, simultaneously with gear ring internal messing;Work as planet row During operating, empty set planetary gear on planet carrier while planet gear shaft rotation also as planet carrier together around sun gear Revolution;
Wherein, described arrestment mechanism 3 is dry type side friction brake, no-clutch;
Wherein, in work process, under a certain gear, motor 1 is driven to be in motoring condition, through planet speed change mechanism 2 Impart power to wheel rim 25, drive vehicle wheel rotation.
Wherein, described first planet wheels 18 are double-planet wheels.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and deformation Also should be regarded as protection scope of the present invention.

Claims (7)

1. the wheel motor drive device of a band planet speed change mechanism, it is characterised in that comprising: drive motor (1), planet Gear (2), arrestment mechanism (3), jackshaft (28), bracing frame (29), wheel hub (30), wheel rim (33);
Described driving motor (1) includes stator (8) and rotor (9);
Described planet speed change mechanism (2) is used for two grades of speed changes, and it includes that gearshift (4), first planet arrange (5), the second planet Row (6) and third planet row (7);
Described arrestment mechanism (3) includes inner attrition piece (31), outside friction disc (32);
Described gearshift (4) includes electromagnetic clutch (10), stick (11), the first gearshift tooth set (12), the second gearshift tooth Set (13), sliding sleeve (14), the 3rd gearshift tooth set (15);
Described first planet row (5) including: the first sun gear (16), the first row carrier (17), first planet wheels (18), first Gear ring (19);
Described second planet row (6) including: the second sun gear (20), the second planet carrier (21), the second planetary gear set (22), second Gear ring (23);
Described third planet row (7) including: the 3rd sun gear (24), the third line carrier (25), third planet wheels (26), the 3rd Gear ring (27);
The stator (9) of described driving motor (1) and electric machine casing are fixing to be connected, and with the first gear ring (19) and bracing frame (29) phase Even;Rotor (8) output speed is connected with jackshaft (28), and is connected with the 3rd sun gear (24) by jackshaft (28);
In described gearshift (4), described stick (11) one end is connected with electromagnetic clutch (10), the other end and sliding sleeve (14) It is connected;Described first gearshift tooth set (12) is connected with electric machine casing;Second gearshift tooth set (13) is connected with the second planet carrier (21); 3rd gearshift tooth set (15) is connected with the first sun gear (16);Sliding sleeve (14) respectively with first gearshift tooth set (12), second gearshift Tooth set (13), the 3rd gearshift tooth set (15) selectivity engagement;
In described planet speed change mechanism (2), the first sun gear (16) is connected with the 3rd gearshift tooth set (15);The first row carrier (17) It is connected with the second gear ring (23) and the 3rd gear ring (27) simultaneously, and by being connected output with wheel hub (30) to wheel rim (33); First gear ring (17) is connected with electric machine casing and bracing frame (29);Described second sun gear (20) and the third line carrier (25) phase Even;Described 3rd sun gear (24) is connected with jackshaft (28);First planet wheels (18) respectively with the first sun gear (16), One gear ring (19) engages;Second planetary gear set (22) engages with the second sun gear (20), the second gear ring (23) respectively;Third planet Wheels (26) engage with the 3rd sun gear (24), the 3rd gear ring (27) respectively;
Inner attrition piece (31) in described arrestment mechanism (3) is connected with wheel hub (30) and wheel rim (33);Outside friction disc (32) with Support (29) and electric machine casing are connected;
The sliding sleeve (14) of described gearshift (4) is controlled by electromagnetic clutch (10) by stick (11), is axially moveable, sliding Set (14) is set to can be at two diverse locations:
Sliding to the right, sliding sleeve (14) internal tooth and the second gearshift tooth set (13) connect, and external tooth and the 3rd gearshift tooth set (15) are even Connect;
Sliding to the left, sliding sleeve (14) internal tooth and the second gearshift tooth set (13) connect, and external tooth and the first gearshift tooth set (12) are even Connect;
The transmission principle of this device is: the driving lever (11) of electromagnetic clutch (10) is handled sliding sleeve (14) and moved axially, when described cunning Set (14) slides to the right, when being connected with the second gearshift tooth set (13) and the 3rd gearshift tooth set (15) simultaneously, and planet speed change mechanism (2) It is in one grade, it is achieved vehicle low gear travels;When described sliding sleeve (14) slides to the left, simultaneously with the first gearshift tooth set (12) and When second gearshift tooth set (13) connects so that the second planet carrier (21) being attached thereto is connected with electric machine casing, the second gearshift tooth Set (13) is braked, and planet speed change mechanism (2) is in two grades, it is achieved vehicle high-speed gear travels;
Described driving motor (1), planet speed change mechanism (2), arrestment mechanism (3) are coaxially arranged.
2. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that described driving electricity Machine (1) provides driving force, drives vehicle wheel rotation;
Described arrestment mechanism (3) provides brake force, braking wheel rim (33).
3. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that described the first row Star row (5) is interior external toothing double star row, and double star therein row each include: sun gear, gear ring, a planet carrier With several planetary gears, sun gear, gear ring and planet carrier have a common fixing rotary shaft;Row is different from common planetary It is that in pairs, every pair of planetary gear forms a planetary gear set to several planetary gears of interior external toothing double star row, planetary gear set Quantity is at least three;Wherein, planetary gear paired in each planetary gear set engages each other, simultaneously a planetary gear and sun gear Engagement, another planetary gear engages with gear ring, and all planetary gears are supported on the planetary gear axle that is fixed on planet carrier;When Planet row operating time, empty set planetary gear on planet carrier while planet gear shaft rotation also as planet carrier together around Sun gear revolves round the sun.
4. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that described second row Star row (6) and third planet row (7) be common planetary arrange, each include a sun gear, a gear ring, a planet carrier and Several planetary gears;Sun gear, gear ring and planet carrier have a common fixing rotary shaft, and planetary gear is bearing in and is fixed on planet On the planetary gear axle of frame, and sun gear external toothing, simultaneously with gear ring internal messing;When planet row operates, empty set is at planet carrier On planetary gear while planet gear shaft rotation also as planet carrier together around sun gear revolve round the sun.
5. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that described brake Structure (3) is dry type side friction brake, no-clutch.
6. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that work process In, under a certain gear, drive motor (1) to be in motoring condition, impart power to wheel rim through planet speed change mechanism (2) (25), vehicle wheel rotation is driven.
7. the wheel motor drive device of band planet speed change mechanism as claimed in claim 1, it is characterised in that described the first row Star-wheel group (18) is double-planet wheels.
CN201610842924.5A 2016-09-22 2016-09-22 Wheel motor drive device with planet speed change mechanism Active CN106246822B (en)

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CN106931102A (en) * 2017-03-20 2017-07-07 江苏大学 A kind of sprinkler with reel planetary transmission system
CN108253112A (en) * 2016-12-27 2018-07-06 比亚迪股份有限公司 Drive shaft locking system and power-driven system and vehicle
CN108944405A (en) * 2018-07-23 2018-12-07 深圳兴康动力总成有限公司 A kind of hybrid electric drive system device
CN109681620A (en) * 2019-01-03 2019-04-26 江麓机电集团有限公司 A kind of electrically driven speed change device integrating heat radiation lubricating electric control braking
CN110230671A (en) * 2018-03-06 2019-09-13 本田技研工业株式会社 The speed change gear of motor
WO2021031656A1 (en) * 2019-08-22 2021-02-25 山东大学 Composite rotary stirring device and working method thereof
CN113853318A (en) * 2019-05-14 2021-12-28 采埃孚股份公司 Drive axle of electric vehicle
CN116803729A (en) * 2023-08-25 2023-09-26 北京理工大学 Multi-gear speed-changing hub driving system

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