CN104590001B - A kind of integrated hub motor driver element - Google Patents
A kind of integrated hub motor driver element Download PDFInfo
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- CN104590001B CN104590001B CN201410698686.6A CN201410698686A CN104590001B CN 104590001 B CN104590001 B CN 104590001B CN 201410698686 A CN201410698686 A CN 201410698686A CN 104590001 B CN104590001 B CN 104590001B
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Abstract
The invention discloses a kind of integrated hub motor driver element, possess driving, deceleration, braking, support function simultaneously, and each parts are all integrated in wheel, compact conformation.Drive motor, two-stage planetary gear speed reducing mechanism, brake disc, drg etc. are applied in wheel by the present invention, the automobile such as change-speed box, transmission shaft legacy device is eliminated by the structure design of Highgrade integration, alleviate complete vehicle quality greatly, improve driving efficiency, the weight alleviated can be used for significantly improving accumulator capacity; And motor exports by realizing high pulling torque after two-stage planetary gear speed reducing mechanism, greatly improves car load dynamic property, economy; Simultaneously can according to different demands, mate various hybrid electrically vehicle or pure electric vehicle type, field of application is very extensive.
Description
Technical field
The present invention relates to a kind of automobile component, one is placed in rim for automobile wheel inside specifically, integrates the hub of employing In-wheel motor driving of driving, deceleration, braking, support function, is applicable to various hybrid electrically vehicle and pure electric vehicle type.
Background technology
Along with the development of new-energy automobile technology, the drive scheme of mixing, electronlmobil gets more and more.Driving engine is mainly replaced with motor or increases motor, battery by the common mixing in market, pure electric automobile, and the power drive such as change speed gear box, transmission shaft form still retains, relatively traditional vehicle, and complete vehicle weight does not reduce, and technical sophistication degree promotes.The travelled distance improving electronlmobil is the target that electronlmobil is pursued always, reduce automobile curb mass, simplify the important embodiment that drive mechanism is this target, under the present invention is intended to this target, a kind of electric hub unit of novel employing In-wheel motor driving is proposed.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of integrated hub motor driver element, possesses driving, braking, support function simultaneously, and each parts are all integrated in wheel, compact conformation.
In order to solve the problems of the technologies described above technical scheme of the present invention be:
A kind of integrated hub motor driver element, comprise the motor being arranged on wheel rim inside, motor shaft is supported on electric machine casing by motor bearings, motor harness and car load power and control wire harness and be connected, also comprise planetary gear speed reducing mechanism, planetary gear speed reducing mechanism comprises primary planet speed reduction gearing and two-stage planetary reduction mechanism, and electric machine casing side is connected with vehicle suspension system, and opposite side is connected with planetary gear speed reducing mechanism housing; Motor shaft is connected with primary planet speed reduction gearing sun wheel, and primary planet speed reduction gearing planet carrier output shaft is connected with two-stage planetary reduction mechanism sun wheel, and two-stage planetary reduction mechanism planet wheel spindle is connected with output end cap, and output end cap is connected with wheel hub; Planetary gear speed reducing mechanism housing inner edge place is provided with to the outstanding bearing seat in axle center place, is provided with centering support bearing between primary planet speed reduction gearing planet carrier output shaft and bearing seat; Wheel hub is connected with wheel rim; Hub bearing is provided with between hub support mechanism and planetary gear speed reducing mechanism housing.
Preferably, bearing seat is arranged at described planetary gear speed reducing mechanism housing and between described primary planet speed reduction gearing and the junction of two-stage planetary reduction mechanism.
Preferably, primary planet speed reduction gearing sun wheel engages with primary planet reducing gear planet wheel, primary planet reducing gear planet wheel engages with primary planet speed reduction gearing internally toothed annulus, primary planet speed reduction gearing internally toothed annulus is fixedly connected with planetary gear speed reducing mechanism housing, empty set first needle bearing between primary planet reducing gear planet wheel and primary planet reducing gear planet wheel axle, primary planet reducing gear planet wheel axle is fixedly connected with primary planet speed reduction gearing pinion carrier, and primary planet speed reduction gearing pinion carrier is by bearings;
Preferably, two-stage planetary reduction mechanism sun wheel engages with two-stage planetary reduction mechanism satellite gear, two-stage planetary reduction mechanism satellite gear engages with two-stage planetary reduction mechanism internally toothed annulus, two-stage planetary reduction mechanism internally toothed annulus and planetary reduction gear housing are fixed, empty set second needle bearing between two-stage planetary reduction mechanism satellite gear and two-stage planetary reduction mechanism planet wheel spindle, two-stage planetary reduction mechanism planet wheel spindle and two-stage planetary reduction mechanism pinion carrier are fixed.
Preferably, motor is permanent-magnet synchronous disc type electric machine.
Preferably, hub bearing is two, is respectively near the first wheel bearing of motor side and the second hub bearing away from motor side.
Preferably, axial limiting block is provided with between the second hub bearing and planetary gear speed reducing mechanism housing.
Preferably, between limiting stopper and hub support mechanism, be also provided with hub oil seal, inside hub oil seal and hub support mechanism, interference compresses, and hub oil seal coordinates with the Contact of limiting stopper.
Preferably, also comprise the drg being connected to electric machine casing, drg comprises brake disc, and the disc of brake disc is connected with hub support mechanism.
Preferably, electric machine casing is radially arranged with two drgs.
Preferably, drg is the flat drg of twin-tub.
Beneficial effect of the present invention is: two-stage planetary gear speed reducing mechanism is applied in wheel by the present invention, the automobile such as change-speed box, transmission shaft legacy device is eliminated by the structure design of Highgrade integration, alleviate complete vehicle quality greatly, improve driving efficiency, the weight alleviated can be used for significantly improving accumulator capacity; Centering support bearing, on the one hand as the output of primary planet speed reduction gearing, on the other hand as the input of two-stage planetary reduction mechanism, plays certralizing ability; Primary planet speed reduction gearing planet carrier output shaft is supported in planetary gear speed reducing mechanism housing by centering block bearing.And motor exports by realizing high pulling torque after two-stage planetary gear speed reducing mechanism, greatly improves car load dynamic property, economy; Simultaneously can according to different demands, mate various hybrid electrically vehicle or pure electric vehicle type, field of application is very extensive.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention overall structure schematic diagram,
Fig. 2 is embodiment of the present invention electric machine structure schematic diagram,
Fig. 3 is embodiment of the present invention planetary gear speed reducing mechanism structural representation,
Fig. 4 is embodiment of the present invention brake structural schematic diagram.
In figure:
1, motor, 1.1, motor bearings, 1.2, motor shaft, 1.3, electric machine casing, 1.4, stator, 1.5, rotor, 1.6, electric engine oil seal, 2, planetary gear speed reducing mechanism, 2.1.1, primary planet speed reduction gearing sun wheel, 2.1.2, primary planet speed reduction gearing planet carrier output shaft, 2.1.3, primary planet reducing gear planet wheel, 2.1.4, primary planet reducing gear planet wheel axle, 2.1.5, primary planet speed reduction gearing pinion carrier, 2.1.6, first needle bearing, 2.2.1, two-stage planetary reduction mechanism sun wheel, 2.2.2, two-stage planetary reduction mechanism satellite gear, 2.2.3, two-stage planetary reduction mechanism internally toothed annulus, 2.2.4, two-stage planetary reduction mechanism planet wheel spindle, 2.2.5, second needle bearing, 2.3 planetary gear speed reducing mechanism housings, 2.4, export end cap, 3, wheel rim, 4, wheel hub, 4.1, first wheel bearing, 4.2, second hub bearing, 4.3, hub support mechanism, 5, limiting stopper, 6, hub oil seal, 7, drg, 7.1, brake disc, 7.2, braking brake pad, 7.3, ABS tachogen, 7.4, ABS gear ring, 7.5, service brake caliper body, 7.6, brake hydraulic line, 8, joint arm, 9, tire, 10, centering support bearing, 11, bearing seat.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
A kind of integrated hub motor driver element, as shown in Figure 1, wheel hub 4 drive motor 1, primary planet speed reduction gearing, two-stage planetary reduction mechanism, speed reduction gearing housing, wheel hub output end cap 2.4, hub bearing, hub oil seal 6, wheel hub 4, wheel rim 3, tire 9, brake disc 7.1, gear ring, car speed sensor, running brake 7, braking wire drawing, joint arm 8 etc. are mainly comprised.
Motor 1 is permanent-magnet synchronous disc type electric machine 1, be arranged on wheel rim 3 inner, stator 1.4 is fixed with electric machine casing 1.3, internal rotor 1.5 is fixed with motor shaft 1.2, motor shaft 1.2 by bearings on drive motor housing 1.3, have electric engine oil seal 1.6 to seal between motor shaft 1.2 and electric machine casing 1.3, motor shaft 1.2 provides the output of power, motor harness and car load power and control wire harness and be connected; Motor harness and car load power and control wire harness and be connected and planetary gear speed reducing mechanism 2.
Motor shaft 1.2 is supported on electric machine casing 1.3 by motor bearings 1.1, and wheel hub 4 bearing is two, is respectively near the first wheel bearing 4.1 of motor 1 side and the second hub bearing 4.2 away from motor 1 side.
Planetary gear speed reducing mechanism 2 comprises primary planet speed reduction gearing 2 and two-stage planetary reduction mechanism 2, and electric machine casing 1.3 side is connected with vehicle suspension system, and opposite side is connected with planetary gear speed reducing mechanism housing 2.3; Motor shaft 1.2 is connected with primary planet speed reduction gearing sun wheel 2.1.1, primary planet speed reduction gearing planet carrier output shaft 2.1.2 is connected with two-stage planetary reduction mechanism sun wheel 2.2.1, two-stage planetary reduction mechanism planet wheel spindle 2.2.4 is connected with output end cap 2.4, exports end cap 2.4 and is connected with wheel hub 4; Planetary gear speed reducing mechanism housing inner edge place is provided with the bearing seat 11 outstanding to axle center place, is provided with centering support bearing 10 between primary planet speed reduction gearing planet carrier output shaft and bearing seat; Wheel hub 4 is connected with wheel rim 3; Wheel hub 4 bearing is provided with between hub support mechanism 4.3 and planetary gear speed reducing mechanism housing 2.3.
Primary planet speed reduction gearing sun wheel 2.1.1 engages with primary planet reducing gear planet wheel 2.1.3, primary planet reducing gear planet wheel 2.1.3 engages with primary planet speed reduction gearing 2 internally toothed annulus, primary planet speed reduction gearing 2 internally toothed annulus is fixedly connected with planetary gear speed reducing mechanism housing 2.3, empty set first needle bearing 2.1.6 between primary planet reducing gear planet wheel 2.1.3 and primary planet reducing gear planet wheel axle 2.1.4, primary planet reducing gear planet wheel axle 2.1.4 is fixedly connected with primary planet speed reduction gearing pinion carrier 2.1.5, primary planet speed reduction gearing pinion carrier 2.1.5 is by bearings, two-stage planetary reduction mechanism sun wheel 2.2.1 engages with two-stage planetary reduction mechanism satellite gear 2.2.2, two-stage planetary reduction mechanism satellite gear 2.2.2 engages with two-stage planetary reduction mechanism internally toothed annulus 2.2.3, two-stage planetary reduction mechanism internally toothed annulus 2.2.3 and planetary reduction gear housing are fixed, between two-stage planetary reduction mechanism satellite gear 2.2.2 and two-stage planetary reduction mechanism planet wheel spindle 2.2.4, empty set second needle bearing 2.2.5, two-stage planetary reduction mechanism planet wheel spindle 2.2.4 and two-stage planetary reduction mechanism pinion carrier are fixed.
Bearing seat 11 is arranged at described planetary gear speed reducing mechanism housing 2.3 and between described primary planet speed reduction gearing and two-stage planetary reduction mechanism junction.Centering support bearing 10 1 aspect, as the output of primary planet speed reduction gearing, on the other hand as the input of two-stage planetary reduction mechanism, plays certralizing ability; Primary planet speed reduction gearing planet carrier output shaft 2.1.2 is supported in planetary gear speed reducing mechanism housing 2.3 by centering block bearing 10.
Axial limiting block 5 is provided with between planetary gear speed reducing mechanism housing 2.3 and the second hub bearing 4.2, hub oil seal 6 is also provided with between limiting stopper 5 and hub support mechanism 4.3, inside hub oil seal 6 and hub support mechanism 4.3, interference compresses, and hub oil seal 6 coordinates with the Contact of limiting stopper 5.
Save arm 8 to be up and down fastened by bolts with wheel hub 4 drive motor housing 1.3, joint arm 8 is connected by ball-joint with car load suspension system Triangular Arm, and planetary gear speed reducing mechanism housing 2.3 and electric machine casing 1.3 are fastened by bolts.
Wheel hub 4 bearing, inside wheel hub 4, is distributed in two ends, and wheel is connected with wheel hub 4 by wheel bolt.
The present embodiment realizes driving the mode of function as described below: car load electric energy and control signal input to wheel hub 4 drive motor 1 stator 1.4 by motor harness, stator 1.4 coil is rotated by magnetic induction force drive hub 4 drive motor 1 rotor 1.5, and wheel hub 4 drive motor 1 rotor 1.5 drive hub 4 drive motor axle 1.2 exports driving torque;
Motor shaft 1.2 outputs power to primary planet speed reduction gearing sun wheel 2.1.1, primary planet speed reduction gearing sun wheel 2.1.1 by with primary speed-down mechanism satellite gear, the engaging of primary speed-down mechanism internally toothed annulus, dynamic retarding is increased after turning round and exports to primary speed-down mechanism pinion carrier;
Primary speed-down mechanism pinion carrier by transmission of power to two-stage planetary reduction mechanism sun wheel 2.2.1, two reduction gear sun wheel by with two reduction gear satellite gear, the engaging of two reduction gear internally toothed annulus, again slowed down by power after increasing is turned round and export to two reduction gear pinion carrier, power is passed to by two reduction gear planet wheel spindle and exports end cap 2.4 by two reduction gear pinion carrier;
Export end cap 2.4 and power is passed to wheel hub 4 by bolt, transmission of power to rim for automobile wheel 3, is completed the driving to wheel by wheel hub 4 thus.In the process, by regulating the size of motor 1 rotating speed, the control to vehicle wheel rotational speed can be realized.
Electric machine casing 1.3 is radially arranged with two drgs 7, hub support mechanism 4.3 and brake disc 7.1 are bolted, ABS gear ring 7.4 is fixedly connected with brake disc 7.1, service brake caliper body 7.5 and wheel hub 4 drive motor housing 1.3 are bolted fixing, service brake friction shoe 7.2 is placed in outside brake disc 7.1, ABS tachogen 7.3 is connected with braking clamp caliper, and leaves gap between ABS gear ring 7.4, braking liquid pressure pipe access car load hydraulic brake system.
Drg 7 comprises brake disc 7.1, and disc and the hub support mechanism 4.3 of brake disc 7.1 are bolted.
The drg 7 of the present embodiment is for row is in one-piece brakes, the flat drg of twin-tub.
The process that the present embodiment realizes braking function is: during wheel running, wheel and the synchronized rotation of brake disc 7.1, after chaufeur carries out brake pedal operation, brake system hydraulic tubing 7.6 builds pressure, pressure inputs to braking clamp caliper by brake piping, caliper body promotes friction shoe and compresses brake disc 7.1, realizes braking, in the process, ABS tachogen 7.3 is by detecting gear ring, output speed is to abs controller, and abs controller hydraulic control system conversely again, realizes ABS function.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. an integrated hub motor driver element, comprise and be arranged on the inner motor (1) of wheel rim (3), motor shaft (1.2) is supported on electric machine casing (1.3) by motor bearings (1.1), motor harness and car load power and control wire harness and be connected, it is characterized in that: also comprise planetary gear speed reducing mechanism (2), described planetary gear speed reducing mechanism (2) comprises primary planet speed reduction gearing and two-stage planetary reduction mechanism, electric machine casing (1.3) side is connected with vehicle suspension system, and opposite side is connected with planetary gear speed reducing mechanism housing (2.3); Described motor shaft (1.2) is connected with primary planet speed reduction gearing sun wheel (2.1.1), primary planet speed reduction gearing planet carrier output shaft (2.1.2) is connected with two-stage planetary reduction mechanism sun wheel (2.2.1), two-stage planetary reduction mechanism planet wheel spindle (2.2.4) is connected with output end cap (2.4), and described output end cap (2.4) is connected with wheel hub (4); Described planetary gear speed reducing mechanism housing (2.3) inner edge place is provided with the bearing seat (11) outstanding to axle center place, is provided with centering support bearing (10) between described primary planet speed reduction gearing planet carrier output shaft (2.1.2) and described bearing seat; Described wheel hub (4) is connected with described wheel rim (3); Hub bearing is provided with between hub support mechanism (4.3) and described planetary gear speed reducing mechanism housing (2.3); Described hub bearing is two, is respectively near the first wheel bearing (4.1) of motor (1) side and the second hub bearing (4.2) away from motor (1) side.
2. a kind of integrated hub motor driver element according to claim 1, it is characterized in that: primary planet speed reduction gearing sun wheel (2.1.1) engages with primary planet reducing gear planet wheel (2.1.3), primary planet reducing gear planet wheel (2.1.3) engages with primary planet speed reduction gearing (2) internally toothed annulus, primary planet speed reduction gearing (2) internally toothed annulus is fixedly connected with planetary gear speed reducing mechanism housing (2.3), empty set first needle bearing (2.1.6) between primary planet reducing gear planet wheel (2.1.3) and primary planet reducing gear planet wheel axle (2.1.4), primary planet reducing gear planet wheel axle (2.1.4) is fixedly connected with primary planet speed reduction gearing pinion carrier (2.1.5), primary planet speed reduction gearing pinion carrier (2.1.5) is by bearings,
Two-stage planetary reduction mechanism sun wheel (2.2.1) engages with two-stage planetary reduction mechanism satellite gear (2.2.2), two-stage planetary reduction mechanism satellite gear (2.2.2) engages with two-stage planetary reduction mechanism internally toothed annulus (2.2.3), two-stage planetary reduction mechanism internally toothed annulus (2.2.3) and planetary reduction gear housing are fixed, empty set second needle bearing (2.2.5) between two-stage planetary reduction mechanism satellite gear (2.2.2) and two-stage planetary reduction mechanism planet wheel spindle (2.2.4), two-stage planetary reduction mechanism planet wheel spindle (2.2.4) and two-stage planetary reduction mechanism pinion carrier are fixed.
3. a kind of integrated hub motor driver element according to claim 1, is characterized in that: described bearing seat is arranged at described planetary gear speed reducing mechanism housing and between described primary planet speed reduction gearing and the junction of two-stage planetary reduction mechanism.
4. a kind of integrated hub motor driver element according to claim 1, is characterized in that: described motor (1) is permanent-magnet synchronous disc type electric machine.
5. a kind of integrated hub motor driver element according to claim 1, is characterized in that: be provided with axial limiting block (5) between described second hub bearing (4.2) and described planetary gear speed reducing mechanism housing (2.3).
6. a kind of integrated hub motor driver element according to claim 5, it is characterized in that: between described limiting stopper (5) and hub support mechanism (4.3), be also provided with hub oil seal (6), described hub oil seal (6) compresses with described hub support mechanism (4.3) inner side interference, and described hub oil seal (6) coordinates with the Contact of described limiting stopper (5).
7. a kind of integrated hub motor driver element according to claim 1, it is characterized in that: also comprise the drg (7) being connected to electric machine casing (1.3), described drg (7) comprises brake disc (7.1), and the disc of described brake disc (7.1) is connected with described hub support mechanism (4.3).
8. a kind of integrated hub motor driver element according to claim 7, is characterized in that: described electric machine casing (1.3) is radially arranged with two drgs (7).
9. a kind of integrated hub motor driver element according to claim 7, is characterized in that: described drg (7) is the flat drg of twin-tub.
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| CN201410698686.6A CN104590001B (en) | 2014-11-27 | 2014-11-27 | A kind of integrated hub motor driver element |
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| CN201410698686.6A CN104590001B (en) | 2014-11-27 | 2014-11-27 | A kind of integrated hub motor driver element |
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| CN104590001B true CN104590001B (en) | 2016-04-06 |
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| CN105270161B (en) * | 2015-10-28 | 2018-10-02 | 湖北航天技术研究院特种车辆技术中心 | A kind of wheel motor driving device |
| CN105774526B (en) * | 2016-04-27 | 2019-03-15 | 吉林大学 | A kind of hub motor device and automobile exporting big torque |
| 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 |
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| CN110576735A (en) * | 2018-06-08 | 2019-12-17 | 舍弗勒技术股份两合公司 | Wheel hub driving device for vehicle and wheel hub driving vehicle |
| CN110576734A (en) * | 2018-06-08 | 2019-12-17 | 舍弗勒技术股份两合公司 | Wheel hub driving device for vehicle and wheel hub driving vehicle |
| CN110576733A (en) * | 2018-06-08 | 2019-12-17 | 舍弗勒技术股份两合公司 | Wheel hub driving device for vehicle and wheel hub driving vehicle |
| CN109017271B (en) * | 2018-10-10 | 2024-01-19 | 浙江盘毂动力科技有限公司 | Electric automobile and power driving device thereof |
| CN109398069A (en) * | 2018-10-29 | 2019-03-01 | 山东理工大学 | A kind of integrated form external rotor electric wheels integral structure and assembly method |
| CN109572388A (en) * | 2018-12-04 | 2019-04-05 | 山东理工大学 | A kind of integrated form is to turning dual rotor motor wheel integral structure |
| CN109866607A (en) * | 2019-04-01 | 2019-06-11 | 山东理工大学 | A kind of integrated structure of electric wheel of internal rotor and assembly method |
| CN110126609A (en) * | 2019-06-04 | 2019-08-16 | 吉林大学 | A kind of gear speed change system of outer rotor hub motor two and electric car based on double electromagnetic brakes |
| CN110091704A (en) * | 2019-06-05 | 2019-08-06 | 吉林大学 | Highly integrated internal rotor hub motor two keeps off speed change system and electric car |
| CN111775688B (en) * | 2020-07-22 | 2021-12-31 | 河南工程学院 | New energy automobile electric wheel hub drive unit |
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