CN203401963U - Motor-driven hub reduction system - Google Patents

Motor-driven hub reduction system Download PDF

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Publication number
CN203401963U
CN203401963U CN201320499185.6U CN201320499185U CN203401963U CN 203401963 U CN203401963 U CN 203401963U CN 201320499185 U CN201320499185 U CN 201320499185U CN 203401963 U CN203401963 U CN 203401963U
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CN
China
Prior art keywords
wheel
motor
gear
wheel hub
stepped shaft
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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.)
Expired - Fee Related
Application number
CN201320499185.6U
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Chinese (zh)
Inventor
时培成
孙阳敏
陈陆俊
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Anhui Polytechnic University
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Anhui Polytechnic University
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Priority to CN201320499185.6U priority Critical patent/CN203401963U/en
Application granted granted Critical
Publication of CN203401963U publication Critical patent/CN203401963U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a motor-driven hub reduction system which comprises a motor (1) and a hub (19). The motor-driven hub reduction system further comprises a first-stage reduction mechanism (101) and a second-stage reduction mechanism (102), the motor (1), the first-stage reduction mechanism (101), the second-stage reduction mechanism (102) and the hub (19) are sequentially connected, and the second-stage reduction mechanism (102) is a planetary reduction mechanism. A hub motor planetary reduction system is high in integration, compact in assembly, easy to maintain, simple in structure, high in reliability and easy to machine and manufacture, and full-wheel driving can be easily achieved.

Description

Motor-driven wheel edging deceleration system
Technical field
The utility model belongs to Manufacturing Technology for Automotive Parts field, and specifically, the utility model relates to a kind of motor-driven wheel edging deceleration system.
Background technology
Hub-type electric automobile is a kind of emerging drive type electric automobile, has two kinds of base models: i.e. direct drive electric drive wheel and wheel rim deceleration device electric drive wheel.
Without the direct drive electric drive wheel of wheel edging deceleration system, directly by passing son or outer rotor drive hub in motor, starting and acceleration capability are poor, and system response is slower.The electric drive wheel of wheel rim deceleration device at present application is less, and mostly is primary speed-down driving, and is often subject to the constraint of motor performance, cannot produce enough propulsive efforts drive automobile in specific occasion.
Utility model content
To be solved in the utility model be to provide a kind of employing electric energy as propulsion source, simplified steering unit, improved driving efficiency, and produce enough motor-driven wheel edging deceleration systems of large propulsive effort.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A wheel edging deceleration system, comprises electrical motor, wheel hub, also comprises primary speed-down mechanism and two reduction gear, and electrical motor, primary speed-down mechanism, two reduction gear, wheel hub connect successively; Two reduction gear is planetary gear speed reducing mechanism.
Primary speed-down mechanism comprises intermeshing cylindrical wheel and inner gear; Cylindrical wheel is fixedly connected with the main shaft of electrical motor;
The centre hole empty set of inner gear is on stepped shaft;
Two reduction gear comprises sun wheel, satellite gear, gear ring, pinion carrier;
Sun wheel is fixedly connected with inner gear; Satellite gear is installed in rotation in pinion carrier, and sun wheel is meshed with satellite gear;
Pinion carrier is fixedly connected with stepped shaft.
Also comprise outer wheel hub, reducer shell, support, retarder end cap, brake clamp, brake disc;
Reducer shell and retarder end cap form the reduction case of sealing jointly;
Support is installed on the outer end of reducer shell; Brake clamp is installed on the outer end of retarder end cap; Brake disc is arranged on wheel hub;
Gear ring is fixedly mounted in reducer shell.
Stepped shaft two ends are arranged on respectively on reducer shell and retarder end cap by the first tapered roller bearing and the second tapered roller bearing, and stepped shaft is fixedly connected with wheel hub by spline.
Outer wheel hub is connected with wheel hub fixed installation by boss bolt.
One end of stepped shaft is fixed by hub nut, and by wheel hub protection end cap seal.
Pinion carrier is fixedly connected with stepped shaft by spline.
The utility model has the advantage of, compare with traditional combustion engine vehicle, at aspects such as propulsion source configuration, chassis structures, have its unique technical characterictic and advantage, its useful technique effect major embodiment in the following areas:
1, power control changes by hard connection the form that is flexible coupling into, by electric line control technology, realize each electric drive wheel from zero to the stepless change of maximum speed and the differential control each electric drive wheel, omit the required mechanical type of orthodox car and handled gearshift, power-transfer clutch, change-speed box, transmission shaft and mechanical differential gear box etc., made drive system and complete vehicle structure succinctly, effectively utilize that space is large, driving efficiency improves.
2, the propulsive effort of each wheel is directly independent controlled, can respond fast, and rotating is flexible, instantaneous tractive performance is more superior, easily realize Electro-mechanical brake and the braking energy feedback of each wheel, can also implement optimization control and management to the efficient utilization of the car load energy, save the energy.
3, the degree of freedom of car load layout and body shape design increases greatly, the bearing function of vehicle frame is separated with transmission agency, and structure is greatly simplified, and easily realizes product diversification and the seriation of the different body shapes in identical chassis, the time-to-market that has shortened new car, has reduced cost of development.
4, adopting on the four wheeler of In-wheel motor driving system, if further import line traffic control four-wheel steering technology (4WS), can realize the Vehicular turn high performance that travels, reduce Turning radius, even realize zero Turning radius, greatly increase and turn to nimble property.
5, on vehicle body, almost there is no high-performance movable parts, the vibration of car load, noise, thermal radiation and traveling comfort are greatly improved.
Improve vehicle starting and acceleration capability, give full play to the advantage that wheel limit drives, and produce enough large drive force automobile, to be applied to specific occasion.Improve the output torque of drive system.
Accompanying drawing explanation
Fig. 1 is the related wheel-hub motor planetary deceleration system schematic diagram of the utility model;
Fig. 2 is wheel hub motor integral structure schematic diagram of the present utility model;
Fig. 3 is the left view of structure shown in Fig. 2;
Fig. 4 is wheel-hub motor planetary deceleration system structural representation of the present utility model;
Fig. 5 is wheel hub structure schematic diagram of the present utility model;
Fig. 6 is wheel hub end view of the present utility model.
Mark in above-mentioned figure is:
1, electrical motor, 2, the first tapered roller bearing, 3, support, 4, bracket bolt, 5, retarder end cap, 6, cylindrical wheel, 7, pinion carrier, 8, sun wheel, 9, stepped shaft spline, 10, stepped shaft, 11, the second tapered roller bearing, 12, inner gear, 13, satellite gear, 14, gear ring, 15, bolt of cover, 16, reducer shell, 17, bolt, 18, brake clamp, 19, wheel hub, 20, boss bolt, 21, spline, 22, hub nut, 23, wheel hub protection end cap, 24, outer wheel hub, 25, brake disc, 101, primary speed-down mechanism, 102, two reduction gear.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present utility model is described in further detail.
As shown in Figure 1, be structured flowchart of the present utility model.Comprise electrical motor 1, wheel hub 19, primary speed-down mechanism, two reduction gear, electrical motor 1 is connected with wheel hub 19 by primary speed-down mechanism 101, two reduction gear 102; Two reduction gear 102 is planetary gear speed reducing mechanism.
Electrical motor is arranged on reducer shell.
As shown in Figures 2 to 6:
Primary speed-down mechanism 101 is installed on electrical motor 1 one sides, with electrical motor 1 connection for transmission, adopts gear-wheel gear-ring engaged transmission, is driven, to realize primary speed-down by electrical motor 1.
Primary speed-down mechanism 101 comprises intermeshing cylindrical wheel 6 and inner gear 12; Cylindrical wheel 6 is fixedly connected with the main shaft of electrical motor 1; The centre hole empty set of inner gear 12 is on stepped shaft 10.
Two reduction gear 102 comprises sun wheel 8, satellite gear 13, gear ring 14, pinion carrier 7; Sun wheel 8 is fixedly connected with inner gear 12; Pinion carrier 7 adopts and is circumferentially fixedly connected with stepped shaft 10.
Two reduction gear 102 adopts planet row deceleration transmission, is connected in the mouth of primary speed-down mechanism 101, adopts gear ring 14 fixing, the type of drive of pinion carrier 7 outputs, and gear ring 14 is fixedly mounted on reducer shell, dismantled and assembled replacing.
Two reduction gear 102 is installed between primary speed-down mechanism 101 and retarder end cap 5, adopts single planet row to slow down,
As shown in Figure 1 and Figure 2, the utility model wheel-hub motor planetary deceleration system, comprises electrical motor 1, primary speed-down system 101, double reduction system 102, reducer shell 16, retarder end cap 5, stepped shaft 10, the first tapered roller bearing 2 and the second tapered roller bearing 11, wheel hub 19, outer wheel hub 24, hub nut 22, brake clamp 18, brake disc 25, support 3, wheel hub protection end cap 23, stepped shaft spline 9 etc.
The input end of two reduction gear 102 is driven by the mouth inner gear 12 of primary speed-down mechanism 101, directly the power of inner gear 12 is reached to the input end sun wheel 8 of two reduction gear 102, sun wheel 8 is freely rotated, and adopts gear ring 14 to install fixing, the type of drive of pinion carrier 7 outputs; Gear ring 14 fixed installations, and detachably change; Pinion carrier 7 is the mouth of two reduction gear 102, its power exports stepped shaft 10 to, adopts spline joint type of drive, by stepped shaft spline 9, torque is reached to stepped shaft 10 by pinion carrier 7, by stepped shaft 10, by spline 21, torque is reached to wheel hub 19 again, finally reach outer wheel hub 24.
Stepped shaft 10 two ends are supported by tapered roller bearing 2 and tapered roller bearing 11, the axial force that the first tapered roller bearing 2 and the second tapered roller bearing 11 produce when bearing ground vertical load and vehicle roll, it is installed on respectively on reducer shell 16 and retarder end cap 5, after the bolt of cover 15 fixed installation end caps on retarder end cap 5, realize the fixedly axial location of two bearings; Wheel hub 19 is installed on stepped shaft 10, is connected and transmitted the torque of stepped shaft 10 by spline 21, and the outer end of wheel hub 19 is fixedly connected with by boss bolt 20 with outer wheel hub 24, after connection, its outer end is fixing vertically by hub nut 22; Outer wheel hub 24 is simple in structure lightweight, and easy to assemble carrying is convenient to manufacture; Hub nut 22 adopts locking setting, and outer end arranges wheel hub protection end cap 23.As shown in Figure 3, Figure 4, between wheel hub 19 and retarder end cap 5, stop mechanism is housed, comprise brake clamp 18 and brake disc 25, brake disc 25 is arranged on wheel hub 19 inner sides, brake clamp 18 is fixedly mounted on retarder end cap 5 by bolt 17, and brake clamp 18 and brake disc 25 are realized wheel hub 19 brakings by friction.
Wheel-hub motor planetary deceleration system, comprises reducer shell 16, retarder end cap 5, brake clamp 18, brake disc 25, wheel hub 19, outer wheel hub 24, stepped shaft 10.
Reducer shell 16 and retarder end cap 5 are bolted the casing ,Qie Wei primary speed-down mechanism 101 of common composition sealing and the assembling body of two reduction gear 102, can realize liquid lubrication.
Brake clamp 18 is fixedly mounted on retarder end cap 5, and brake disc 25 is fixedly mounted on wheel hub 19, realizes wheel hub brake by friction.
Wheel hub 19 and outer wheel hub 24 are bolted and are integrated, and the wheel hub after integrated is fixedly mounted on stepped shaft 10 by hub nut 22, and by spline, obtains the torque of stepped shaft 10, and hub nut 22 outsides are provided with locking device and have wheel hub protection end cap 23.
Tapered roller bearing is installed on stepped shaft both sides, is assemblied on reducer shell 16 and retarder end cap 5, and realizes its axial location by retarder end cap 5 and stepped shaft 10, and can bear certain axial force.
Inner gear 12 is fixed together with sun wheel 8 or is fabricated to integrated gear,
Pinion carrier 7 is circumferentially fixedly connected with stepped shaft 10 by stepped shaft spline 9;
Also comprise outer wheel hub 24, reducer shell 16, support 3, retarder end cap 5, brake clamp 18, brake disc 25;
Reducer shell 16 and the common reduction case that forms sealing of retarder end cap 5;
Support 3 is installed on the outer end of reducer shell 16; By bracket bolt 4, install.Brake clamp 18 is installed on the outer end of retarder end cap 5; Brake disc 25 is arranged on wheel hub 19; Brake disc 25 is realized the braking of wheel hub 19 by friction by brake clamp 18;
Finally realizing the braking of outer wheel hub 24 controls.
Gear ring 14 is fixedly mounted in reducer shell 16.
Electrical motor 1 first drives first class reducer structure 101 to drive two reduction gear 102 again,
Inner gear 12 rotates around the axis of stepped shaft 10 jointly with sun wheel 8, and pinion carrier 7 is connected in stepped shaft 10 by stepped shaft spline 9, and stepped shaft spline 9 reaches stepped shaft 10 by power by pinion carrier 7.
Stepped shaft 10 two ends are arranged on reducer shell 16 and retarder end cap 5 by the first tapered roller bearing 2, the second tapered roller bearing 11, and stepped shaft 10 rotates around its axis, and by spline 21 by transmission of power to wheel hub 19.
Outer wheel hub 24 is connected with wheel hub 19 fixed installations by boss bolt 20.
And assembling is compact easily fixing, and outer wheel hub 24 is manufactured simply lightweight, and replacing is easy to carry.
Wheel hub 19 is assembled into one with outer wheel hub 24, and axle head position is fixing by hub nut 22, and outer end is by wheel hub protection end cap 23 seal protections.
Setting-up procedure: as shown in Figure 2, the first step, packs electrical motor 1 into reducer shell 16 and be fixed.Second step, the bearing seat that the first tapered roller bearing 2 is packed into reducer shell 16, insert stepped shaft 10, pack successively again primary speed-down mechanism 101 and two reduction gear 102 into, again the second tapered roller bearing 11 is packed into the opposite side of stepped shaft 10, cover retarder end cap 5 and use bolt of cover 15 fixing seals; Thereby complete the overall assembling of wheel-hub motor planetary deceleration system.The 3rd step, is first placed in brake clamp 18 on brake disc 25, and brake disc 25 is fixed on wheel hub 19, then wheel hub 19 is connected on stepped shaft 10 by spline 21, by hub nut 22, fixes its axial location, covers wheel hub protection end cap 23.The 4th step, uses related tool by the spoke plate face louvre of wheel hub 19, brake clamp 18 to be fixed on retarder end cap 5, and outer wheel hub 24 is fixedly connected on wheel hub 19 by boss bolt 20 the most at last, thereby completes whole assembling.
Wheel-hub motor planetary deceleration system is simple in structure, and driving efficiency is higher, can realize the bipolar deceleration of wheel hub motor by primary speed-down mechanism 101 and two reduction gear 102, and transmitting ratio is large, thereby easily realizes direct motor drive car load.
Wheel-hub motor planetary deceleration system not only can be given full play to motor performance, accelerate system response time, can also use dual-ratio reduction to strengthen drive system ratio, greatly increase system output torque, when giving full play to motor performance, produce enough drive force automobiles, be conducive to alleviate motor load simultaneously, relax the impact that Uneven road produces motor, significant to improving electric drive wheel bulk life time.
Adopt after such structure, compare with traditional combustion engine vehicle, at aspects such as propulsion source configuration, chassis structures, have its unique technical characterictic and advantage, its useful technique effect major embodiment in the following areas:
1, power control changes by hard connection the form that is flexible coupling into, by electric line control technology, realize each electric drive wheel from zero to the stepless change of maximum speed and the differential control each electric drive wheel, omit the required mechanical type of orthodox car and handled gearshift, power-transfer clutch, change-speed box, transmission shaft and mechanical differential gear box etc., made drive system and complete vehicle structure succinctly, effectively utilize that space is large, driving efficiency improves.
2, the propulsive effort of each wheel is directly independent controlled, can respond fast, and rotating is flexible, instantaneous tractive performance is more superior, easily realize Electro-mechanical brake and the braking energy feedback of each wheel, can also implement optimization control and management to the efficient utilization of the car load energy, save the energy.
3, the degree of freedom of car load layout and body shape design increases greatly, the bearing function of vehicle frame is separated with transmission agency, and structure is greatly simplified, and easily realizes product diversification and the seriation of the different body shapes in identical chassis, the time-to-market that has shortened new car, has reduced cost of development.
4, adopting on the four wheeler of In-wheel motor driving system, if further import line traffic control four-wheel steering technology (4WS), can realize the Vehicular turn high performance that travels, reduce Turning radius, even realize zero Turning radius, greatly increase and turn to nimble property.
5, on vehicle body, almost there is no high-performance movable parts, the vibration of car load, noise, thermal radiation and traveling comfort are greatly improved.
Improve vehicle starting and acceleration capability, give full play to the advantage that wheel limit drives, and produce enough large drive force automobile, to be applied to specific occasion.Improve the output torque of drive system.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.

Claims (7)

1. a motor-driven wheel edging deceleration system, comprise electrical motor (1), wheel hub (19), it is characterized in that: also comprise primary speed-down mechanism (101) and two reduction gear (102), described electrical motor (1), primary speed-down mechanism (101), two reduction gear (102), wheel hub (19) connect successively; Described two reduction gear (102) is planetary gear speed reducing mechanism.
2. a kind of motor-driven wheel edging deceleration system according to claim 1, is characterized in that:
Described primary speed-down mechanism (101) comprises intermeshing cylindrical wheel (6) and inner gear (12); Described cylindrical wheel (6) is fixedly connected with the main shaft of electrical motor (1);
The centre hole empty set of described inner gear (12) is on stepped shaft (10);
Described two reduction gear (102) comprises sun wheel (8), satellite gear (13), gear ring (14), pinion carrier (7);
Described sun wheel (8) is fixedly connected with described inner gear (12); It is upper that described satellite gear (13) is installed in rotation on pinion carrier (7), and sun wheel (8) is meshed with satellite gear (13);
Described pinion carrier (7) is fixedly connected with described stepped shaft (10).
3. a kind of motor-driven wheel edging deceleration system according to claim 2, is characterized in that:
Also comprise outer wheel hub (24), reducer shell (16), support (3), retarder end cap (5), brake clamp (18), brake disc (25);
Described reducer shell (16) and the common reduction case that forms sealing of retarder end cap (5);
Described support (3) is installed on the outer end of reducer shell (16); Described brake clamp (18) is installed on the outer end of retarder end cap (5); Described brake disc (25) is arranged on wheel hub (19);
Described gear ring (14) is fixedly mounted in reducer shell (16).
4. a kind of motor-driven wheel edging deceleration system according to claim 3, it is characterized in that: described stepped shaft (10) two ends are arranged on respectively reducer shell (16) by the first tapered roller bearing (2) and the second tapered roller bearing (11) and retarder end cap (5) is upper, and described stepped shaft (10) is fixedly connected with wheel hub (19) by spline (21).
5. a kind of motor-driven wheel edging deceleration system according to claim 4, is characterized in that: described outer wheel hub (24) is connected with wheel hub (19) fixed installation by boss bolt (20).
6. a kind of motor-driven wheel edging deceleration system according to claim 5, is characterized in that: one end of described stepped shaft (10) is fixing by hub nut (22), and by wheel hub protection end cap (23) sealing.
7. a kind of motor-driven wheel edging deceleration system according to claim 6, is characterized in that: described pinion carrier (7) is fixedly connected with stepped shaft (10) by stepped shaft spline (9).
CN201320499185.6U 2013-08-15 2013-08-15 Motor-driven hub reduction system Expired - Fee Related CN203401963U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103448537A (en) * 2013-08-15 2013-12-18 安徽工程大学 Motor-driven hub reduction system
CN104354584A (en) * 2014-11-03 2015-02-18 北京汽车研究总院有限公司 Method and device for adjusting drive mode of vehicle and vehicle
CN106696593A (en) * 2017-01-06 2017-05-24 苏州凤凰动力工业有限公司 Mecanum wheel with speed reducing mechanism
CN106763659A (en) * 2016-12-27 2017-05-31 苏州凤凰动力工业有限公司 Shell output type reduction box
CN106763660A (en) * 2016-12-27 2017-05-31 苏州凤凰动力工业有限公司 Dual-gripper reduction box wheel
CN106827949A (en) * 2017-01-06 2017-06-13 苏州凤凰动力工业有限公司 Electric drive Mecanum wheel
CN106828074A (en) * 2017-01-05 2017-06-13 苏州凤凰动力工业有限公司 Dual-gripper driving wheel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103448537A (en) * 2013-08-15 2013-12-18 安徽工程大学 Motor-driven hub reduction system
CN104354584A (en) * 2014-11-03 2015-02-18 北京汽车研究总院有限公司 Method and device for adjusting drive mode of vehicle and vehicle
CN106763659A (en) * 2016-12-27 2017-05-31 苏州凤凰动力工业有限公司 Shell output type reduction box
CN106763660A (en) * 2016-12-27 2017-05-31 苏州凤凰动力工业有限公司 Dual-gripper reduction box wheel
CN106828074A (en) * 2017-01-05 2017-06-13 苏州凤凰动力工业有限公司 Dual-gripper driving wheel
CN106696593A (en) * 2017-01-06 2017-05-24 苏州凤凰动力工业有限公司 Mecanum wheel with speed reducing mechanism
CN106827949A (en) * 2017-01-06 2017-06-13 苏州凤凰动力工业有限公司 Electric drive Mecanum wheel

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140122

Termination date: 20150815

EXPY Termination of patent right or utility model