CN102139629B - Wheel drive axle - Google Patents
Wheel drive axle Download PDFInfo
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- CN102139629B CN102139629B CN201010106175.2A CN201010106175A CN102139629B CN 102139629 B CN102139629 B CN 102139629B CN 201010106175 A CN201010106175 A CN 201010106175A CN 102139629 B CN102139629 B CN 102139629B
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Abstract
The invention provides a wheel drive axle which comprises a first wheel drive system. The first wheel drive system comprises a motor and a primary speed reducer which is connected with an output shaft of the motor, wherein the primary speed reducer comprises an input shaft gear, an output shaft gear, an intermediate shaft driven gear and an intermediate shaft drive gear; a rotating shaft of the output shaft gear is coaxial with a wheel rotating shaft; a rotating shaft of the input shaft gear is coaxial with an output shaft of the motor; the output shaft of the motor is fixedly connected with the input shaft gear so as to drive the input shaft gear; the input shaft gear is meshed with the intermediate shaft driven gear so as to drive the intermediate shaft driven gear and the intermediate shaft drive gear which are fixed on the same shaft as the intermediate shaft driven gear; and the intermediate shaft drive gear is meshed with the output shaft gear so as to transfer driving force to the output shaft gear. In the wheel drive axle, the primary speed reducer has simple structure and is easy to process and assemble.
Description
Technical field
The present invention relates to a kind of Direct wheel drives bridge.
Background technology
Its power transmission route of the vehicle of common rear driving axle is adopted to be drive motor-(power-transfer clutch)-change-speed box-transmission shaft-rear-end gear reduction-diff-semiaxis-(wheel reduction gear)-wheel.Power chain is long, and because gears meshing and shaft drive all exist certain waste of power, messenger chain is longer, and waste of power is larger, and therefore drive-train efficiency is lower, and car load economy is also lower.
Because main reduction gear and diff will be installed in the middle of common rear driving axle axle housing, protruding bridge bag need be increased at axle housing place, adopt the city bus of common rear driving axle in addition, combustion engine (drive motor) and gearbox arrangement are in vehicle frame rear end, the height of floor after in car must be raised, therefore adopt floor after in the city bus car of rear driving axle generally to have two to three grades to mark time, be difficult to realize car load low floor and the wheel chair access requirement of passage.
US6722459 discloses a kind of Direct wheel drives bridge construction, electrobus based on this Direct wheel drives bridge form does not need the parts such as power-transfer clutch, change-speed box, transmission shaft, main reduction gear, diff, ball-type universal-joint, its drive motor acceleration and deceleration device mechanism can be placed directly in inside wheel and side, thus make whole drive axle structure compact, space availability ratio is high, is beneficial to and realizes car load low floor.But in US6722459, first stage decelerator is planet gear type structure, and the internal tooth of gear ring is not easily processed, and the internal tooth accuracy requirement of gear ring is higher, therefore this first stage decelerator is not easy to assembling, and processing difficulties.
Summary of the invention
Technical matters to be solved by this invention is for existing Direct wheel drives bridge first stage decelerator complex structure, the defect of not easily processing, and provides a kind of Direct wheel drives bridge, and in this Direct wheel drives bridge, first stage decelerator structure is simple, is easy to processing and assembling.
The present invention is achieved by the following technical programs: a kind of Direct wheel drives bridge, comprise first round limit drive system, limit drive system of the described first round comprises motor, be connected to the first stage decelerator on the output shaft of motor, described first stage decelerator comprises input shaft gear, output shaft gear, counter shaft driven gear and layshaft drive gear, the S. A. of described output shaft gear is coaxial with rotation of wheel axle, the S. A. of described input shaft gear is coaxial with the output shaft of motor, the output shaft of motor is fixedly connected with input shaft gear, for driving input shaft gear, input shaft gear engages with counter shaft driven gear, drive counter shaft driven gear, and therefore driving and counter shaft driven gear fix layshaft drive gear on the same axis, layshaft drive gear engages with output shaft gear, propulsive effort is passed to output shaft gear.
Further, the axis of the output shaft of described motor is arranged relative to the axis bias of rotation of wheel axle.
Further, the output shaft of described motor and input shaft gear pass through spline joint.
Further, described input shaft gear, output shaft gear, counter shaft driven gear and layshaft drive gear are helical wheel.
Further, limit drive system of the described first round also comprises motor mount, be fixedly connected on the axle tube of motor mount one end and be fixedly connected on the axle housing of the motor mount other end, described motor mount has inner chamber, the output shaft end of described motor is placed in the inner chamber of described motor mount, and described motor is fixedly connected with motor mount.
Further, have cavity between described motor mount and axle tube, described first stage decelerator is arranged in described cavity.
Further, limit drive system of the described first round also comprises semiaxis and two-stage reduction gear, one end of described semiaxis is connected with described output shaft gear, the other end of described semiaxis connects two-stage reduction gear, described two-stage reduction gear connects wheel, and the propulsive effort that motor exports by described output shaft gear passes to wheel by semiaxis and two-stage reduction gear.
Further, described two-stage reduction gear is planetary plate speed reduction gearing, comprise sun wheel, pinion carrier, satellite gear, gear ring and housing, described sun wheel is input end, described pinion carrier is mouth, gear ring is fixed on axle tube by spline, and pinion carrier is connected with housing, and the power come from input end transmission is delivered to wheel hub and wheel by housing.
Further, described motor mount has base portion, the bottom of described base portion is provided with the first installation portion be fixedly connected with axle housing by the other end of motor mount, the arranged outside of described base portion has the second installation portion be fixedly connected with axle tube one end of motor mount, and the inwall of described base portion limits the inner chamber of motor mount.
Further, described motor mount also comprises and being arranged in described motor cabinet inner chamber for the 3rd installation portion of installing first stage decelerator and the 4th installation portion be arranged at for mounted motor inside base portion.
Further, described 3rd installation portion comprises the external stay bearing plate be fixed on base portion inwall, described stay bearing plate is provided with the clutch shaft bearing hole of output shaft bearing, bearing of input shaft and the layshaft bearing being respectively used to install first stage decelerator, the second bearing hole and the 3rd bearing hole.
Further, described motor mount also comprises and to be arranged at before and after described base portion both sides for installing suspended wall mount pad and back boom mount pad before front boom and back boom.
Further, described front suspended wall mount pad comprises the first projection being arranged on matrix underpart and the second projection being arranged on the first projection top position, and described back boom mount pad comprises the 3rd projection being arranged on matrix underpart, the 4th projection being arranged on the 3rd projection top position and is arranged on matrix outer wall for connecting the contiguous block of the 3rd projection and the 4th projection.
Further, the inner side of described matrix stretches out and is formed with installation widening plate, and described installation widening plate is between the first projection and the second projection.
Further, the medial surface of described contiguous block is provided with bar shaped lightening hole, and the lateral surface of described contiguous block is provided with three square lightening holes.
Further, described motor mount also comprises and is arranged at described base portion top for installing the 5th projection of straight propelling rod.
Further, the rear outer wall on described matrix top being positioned at the 5th projection is also provided with platform, described platform has the deflation hole of communication with cavity.
Further, the inwall of described base portion bottom is provided with the outage running through matrix.
Further, the bottom of described stay bearing plate is also provided with the oil guiding hole running through stay bearing plate.
Further, limit drive system of the described first round also comprise be fixedly connected with axle housing oblique thrust bar, be fixed on straight propelling rod on motor mount and the front boom be fixedly mounted on motor mount and back boom, described front boom and back boom are connected with vehicle frame by air bellow and shock absorber.
Further, limit drive system of the described first round also comprises the plate disc brake be placed between motor and wheel hub, the air chamber of described plate disc brake be arranged to vertical direction at an angle.
Further, the air chamber of described plate disc brake is arranged to be 45 degree of angles with vertical direction.
Further, described Direct wheel drives bridge also comprises the second Direct wheel drives system being connected to the axle housing other end, the composition of described second Direct wheel drives system is identical with first round limit drive system, and described second Direct wheel drives system is arranged symmetrically relative to the center of axle housing 1 and first round limit drive system.
Further, described axle housing is thick, the middle thin hollow tubular structures in two ends, and the two ends of axle housing have the C shape end face adapting to motor and install.
According to Direct wheel drives bridge of the present invention, first stage decelerator is triple axle structure, and structure is simple, does not need to process internal tooth, be therefore easy to processing and assembling, and this first stage decelerator transmitting ratio is large.And owing to adding motor mount, motor mount connects axle housing and axle tube, makes motor to remove separately, and without the need to removing axle housing simultaneously, is convenient to the assembling of motor and the field-strip of later stage motor.And Direct wheel drives bridge construction of the present invention is compact, saves installing space, and due to plate disc brake be arranged to vertical direction at an angle, because this reducing the whole height of drive axle, be conducive to the low floor requirement realizing vehicle.
Accompanying drawing explanation
Fig. 1 is the cutaway view of a kind of embodiment of Direct wheel drives bridge provided by the invention;
Fig. 2 is the structural representation of a kind of embodiment of Direct wheel drives bridge provided by the invention;
Fig. 3 is the structural representation of a kind of embodiment motor mount of Direct wheel drives bridge provided by the invention;
Fig. 4 is another visual angle of Fig. 3 figure;
Fig. 5 is the structural representation of a kind of embodiment first stage decelerator of Direct wheel drives bridge provided by the invention.
Detailed description of the invention
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Said all around, all around all referring to vehicle up and down, above-below direction below.
As shown in Figures 1 and 5, Direct wheel drives bridge according to the present invention comprises first round limit drive system 100, limit drive system of the described first round 100 comprises motor 2, be connected to the first stage decelerator 5 on the output shaft 21 of motor 2, described first stage decelerator 5 comprises input shaft gear 51, output shaft gear 52, counter shaft driven gear 53 and layshaft drive gear 54, the S. A. of described output shaft gear 52 is coaxial with rotation of wheel axle, the S. A. of described input shaft gear 51 is coaxial with the output shaft 21 of motor, the output shaft 21 of motor is fixedly connected with input shaft gear 51, for driving input shaft gear 51, input shaft gear 51 engages with counter shaft driven gear 53, drive counter shaft driven gear 53, and therefore drive layshaft drive gear 54 on the same axis fixing with counter shaft driven gear 53, layshaft drive gear 54 engages 52 with output shaft gear, propulsive effort is passed to output shaft gear 52.In the present embodiment, the axis of the output shaft 21 of motor is arranged relative to the axis bias of rotation of wheel axle (i.e. semiaxis 9), as shown in Figure 1, the position of semiaxis 9 is arranged higher than the position of motor output shaft 21, due to the biased setting of motor 2, make the brake clamp 152 and the air chamber 151 that there is enough space mounting plate disc brakies 15 between motor 2 and wheel 11.Output shaft 21 and the input shaft gear 51 of motor pass through spline joint.In the present embodiment, first stage decelerator 5 is three-axis structure, its three axle is respectively input shaft, output shaft and tween drive shaft, input shaft is the S. A. of input shaft gear 51, output shaft is the S. A. of output shaft gear 52, tween drive shaft is the S. A. that counter shaft driven gear 53 and layshaft drive gear 54 share, described input shaft, output shaft and tween drive shaft are respectively by bearing of input shaft, output shaft bearing and layshaft bearing are arranged on the 3rd installation portion 45 of motor mount 4, particularly, clutch shaft bearing hole 452 on stay bearing plate 451 in 3rd installation portion 45, second bearing hole 453 and the 3rd bearing hole 454 are respectively used to the bearing of input shaft installing first stage decelerator, output shaft bearing and layshaft bearing, to provide the support of first stage decelerator 5.
More preferentially, described input shaft gear 51, output shaft gear 52, counter shaft driven gear 53 and layshaft drive gear 54 are helical wheel.Helical gear Transmission can reduce the noise that gear produces when engaging at a high speed.
In the present embodiment, limit drive system of the described first round 100 also comprises motor mount 4, be fixedly connected on the axle tube 3 of motor mount 4 one end and be fixedly connected on the axle housing 1 of motor mount 4 other end, described motor mount 4 has inner chamber 41, the output shaft end of described motor 2 is placed in the inner chamber 41 of described motor mount, and described motor 2 is fixedly connected with motor mount 4.In the present embodiment, have cavity between described motor mount 4 and axle tube 3, described first stage decelerator 5 is arranged in described cavity.
In the present embodiment, limit drive system of the described first round 100 also comprises semiaxis 9 and two-stage reduction gear 10, one end of described semiaxis 9 is connected with described output shaft gear 52, the other end of described semiaxis 9 connects two-stage reduction gear 10, described two-stage reduction gear 10 connects wheel 11, and the propulsive effort that motor 2 exports by described output shaft gear 52 passes to wheel 11 by semiaxis 9 and two-stage reduction gear 10.More preferably, described two-stage reduction gear 10 is planetary plate speed reduction gearing, comprise sun wheel 101, pinion carrier 102, satellite gear 103, gear ring 104 and housing 105, described sun wheel 101 is input end, described pinion carrier 102 is mouths, gear ring 104 is fixed on axle tube 3 by spline, and pinion carrier 102 is connected with housing 105, and the power come from input end 101 transmission is delivered to wheel hub 14 and wheel 11 by housing 105.
As shown in Figures 3 and 4, in the present embodiment, described motor mount 4 has base portion 42, the bottom of described base portion 42 is provided with the first installation portion 43 be fixedly connected with axle housing 1 by the other end of motor mount 4, the arranged outside of described base portion 42 has the second installation portion 44 be fixedly connected with axle tube 3 one end of motor mount 4, and the inwall of described base portion 42 limits the inner chamber 41 of motor mount.As shown in Figure 4, the lateral surface of base portion 42 forms the second installation portion 44.Described motor mount 4 also comprises and being arranged in described motor cabinet inner chamber 41 for the 3rd installation portion 45 of installing first stage decelerator 5 and the 4th installation portion 49 for mounted motor 2 be arranged at inside base portion 42.As shown in Figure 3, the medial surface of base portion 42 forms the 4th installation portion 49.In the present embodiment, described motor 2 has external flange 22, and motor 2 is fixed on (namely on the 4th installation portion 49) on the medial surface of base portion 42 by external flange 22.In the present embodiment, described 3rd installation portion 45 comprises the external stay bearing plate 451 be fixed on base portion 42 inwall, described stay bearing plate 451 is provided with clutch shaft bearing hole 452, second bearing hole 453 and the 3rd bearing hole 454 of bearing of input shaft, output shaft bearing and the layshaft bearing being respectively used to install first stage decelerator.
In the present embodiment, described motor mount 4 also comprises and to be arranged at before and after described base portion 42 both sides for installing suspended wall mount pad 46 and back boom mount pad 47 before front boom 6 and back boom 7.Described front suspended wall mount pad 46 comprises the first projection 461 being arranged on matrix 42 bottom and the second projection 462 being arranged on the first projection 461 top position, and described back boom mount pad 47 comprises the 3rd projection 471 being arranged on matrix 42 bottom, the 4th projection 472 being arranged on the 3rd projection 471 top position and is arranged on matrix 42 outer wall for connecting the contiguous block 473 of the 3rd projection 471 and the 4th projection 472.The medial surface of described contiguous block 473 is provided with bar shaped lightening hole 474, and the lateral surface of described contiguous block 473 is provided with three square lightening holes 475.The inner side of described matrix 42 stretches out to be formed and installs widening plate 421, and described installation widening plate 421 is between the first projection 462 and the second projection 463.In the present embodiment, installing widening plate 421 is arrange according to electric machine casing, can increase attachment face, strengthen the stability of installing.
In the present embodiment, described motor mount 4 also comprises and is arranged at described base portion 42 top for installing the 5th projection 48 of straight propelling rod 8.The rear outer wall on described matrix 42 top being positioned at the 5th projection 48 is also provided with platform 422, described platform 422 has the deflation hole 423 of communication with cavity 41.One-level rectifier 5 can make the air in inner chamber 41 expand after generating heat, and air post-expansion gas is discharged by deflation hole 423, thus air can be avoided to expand the infringement of the motor mount caused.
In the present embodiment, the inwall of described base portion 42 bottom is provided with the outage 424 running through matrix 42.The bottom of described stay bearing plate is also provided with the oil guiding hole 425 running through stay bearing plate.First stage decelerator 5 is owing to being gear transmission, therefore lubricating oil is inevitable, but need after lubricating oil certain hour to change, the lubrication changed can flow in inner chamber 41 by oil guiding hole 425, and discharge via the outage 424 on the inwall of base portion 42 bottom, the replacing of lubricating oil is convenient and swift, can not affect other parts.
In the present embodiment, limit drive system of the described first round 100 also comprise be fixedly connected with axle housing 1 oblique thrust bar 12, be fixed on the straight propelling rod 8 on motor mount 4 and the front boom 6 be fixedly mounted on motor mount 4 and back boom 7, described front boom 6 and rear suspended wall 7 are all connected with vehicle frame by air bellow 13 and shock absorber 14.More preferably, front boom 6 and back boom 7 are arranged on front suspended wall mount pad 46 on motor mount and back boom mount pad 47 respectively, and straight propelling rod 8 is arranged on the 5th projection 48 of motor mount.
In the present embodiment, limit drive system of the described first round 100 also comprises the plate disc brake 15 be placed between motor 2 and wheel hub 14, described plate disc brake 15 is made up of air chamber 151, brake clamp 152 and brake disc 153, the air chamber 151 of described plate disc brake 15 be arranged to vertical direction at an angle, such as 45 degree of angles, air chamber 151 height reduction of such plate disc brake 15, the whole height of drive axle reduces, and is conducive to the low floor design realizing vehicle.
In the present embodiment, described Direct wheel drives bridge also comprises the second Direct wheel drives system being connected to axle housing 1 other end, the composition of described second Direct wheel drives system is identical with first round limit drive system 100, described second Direct wheel drives system is arranged symmetrically relative to the center of axle housing 1 and first round limit drive system 100, and limit drive system of the described first round 100, second Direct wheel drives system and the axle housing 1 connecting first round limit drive system 100, second Direct wheel drives system form the complete Direct wheel drives bridge of the present invention jointly.
In the present embodiment, described axle housing 1 is thick, the middle thin hollow tubular structures in two ends, and the two ends of axle housing 1 have the C shape end face adapting to motor and install.
According to Direct wheel drives bridge of the present invention, first stage decelerator is triple axle structure, and structure is simple, does not need to process internal tooth, be therefore easy to processing and assembling, and this first stage decelerator transmitting ratio is large.And owing to adding motor mount, motor mount connects axle housing and axle tube, makes motor to remove separately, and without the need to removing axle housing simultaneously, is convenient to the assembling of motor and the field-strip of later stage motor.And Direct wheel drives bridge construction of the present invention is compact, saves installing space, and due to plate disc brake be arranged to vertical direction at an angle, because this reducing the whole height of drive axle, be conducive to the low floor requirement realizing vehicle.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a Direct wheel drives bridge, comprise first round limit drive system, limit drive system of the described first round comprises motor, be connected to the first stage decelerator on the output shaft of motor, it is characterized in that, described first stage decelerator comprises input shaft gear, output shaft gear, counter shaft driven gear and layshaft drive gear, the S. A. of described output shaft gear is coaxial with rotation of wheel axle, the S. A. of described input shaft gear is coaxial with the output shaft of motor, the output shaft of motor is fixedly connected with input shaft gear, for driving input shaft gear, input shaft gear engages with counter shaft driven gear, drive counter shaft driven gear, and therefore driving and counter shaft driven gear fix layshaft drive gear on the same axis, layshaft drive gear engages with output shaft gear, propulsive effort is passed to output shaft gear, limit drive system of the described first round also comprises motor mount, be fixedly connected on the axle tube of motor mount one end and be fixedly connected on the axle housing of the motor mount other end, described motor mount has base portion, the bottom of described base portion is provided with the first installation portion be fixedly connected with axle housing by the other end of motor mount, the arranged outside of described base portion has the second installation portion be fixedly connected with axle tube one end of motor mount, described motor mount has inner chamber, described motor mount also comprises and being arranged in described motor cabinet inner chamber for the 3rd installation portion of installing first stage decelerator and the 4th installation portion be arranged at for mounted motor inside base portion, described motor mount also comprises and to be arranged at before and after described base portion both sides for installing suspended wall mount pad and back boom mount pad before front boom and back boom, described front suspended wall mount pad comprises the first projection being arranged on base portion bottom and the second projection being arranged on the first projection top position, described back boom mount pad comprises the 3rd projection being arranged on base portion bottom, be arranged on the 4th projection of the 3rd projection top position and be arranged on base portion outer wall for connecting the contiguous block of the 3rd projection and the 4th projection, described motor mount also comprises and is arranged at described base portion top for installing the 5th projection of straight propelling rod.
2. Direct wheel drives bridge as claimed in claim 1, it is characterized in that, the axis of the output shaft of described motor is arranged relative to the axis bias of rotation of wheel axle.
3. Direct wheel drives bridge as claimed in claim 1, it is characterized in that, output shaft and the input shaft gear of described motor pass through spline joint.
4. Direct wheel drives bridge as claimed in claim 1, it is characterized in that, described input shaft gear, output shaft gear, counter shaft driven gear and layshaft drive gear are helical wheel.
5. Direct wheel drives bridge as claimed in claim 1, it is characterized in that, the output shaft end of described motor is placed in the inner chamber of described motor mount, and described motor is fixedly connected with motor mount.
6. Direct wheel drives bridge as claimed in claim 5, it is characterized in that having cavity between described motor mount and axle tube, described first stage decelerator is arranged in described cavity.
7. the Direct wheel drives bridge as described in claim 1 to 6 any one, it is characterized in that, limit drive system of the described first round also comprises semiaxis and two-stage reduction gear, one end of described semiaxis is connected with described output shaft gear, the other end of described semiaxis connects two-stage reduction gear, described two-stage reduction gear connects wheel, and the propulsive effort that motor exports by described output shaft gear passes to wheel by semiaxis and two-stage reduction gear.
8. Direct wheel drives bridge as claimed in claim 7, it is characterized in that, described two-stage reduction gear is planetary plate speed reduction gearing, comprise sun wheel, pinion carrier, satellite gear, gear ring and housing, described sun wheel is input end, and described pinion carrier is mouth, and gear ring is fixed on axle tube by spline, pinion carrier is connected with housing, and the power come from input end transmission is delivered to wheel hub and wheel by housing.
9. Direct wheel drives bridge as claimed in claim 5, it is characterized in that, the inwall of described base portion limits the inner chamber of motor mount.
10. Direct wheel drives bridge as claimed in claim 9, it is characterized in that, described 3rd installation portion comprises the external stay bearing plate be fixed on base portion inwall, described stay bearing plate is provided with the clutch shaft bearing hole of output shaft bearing, bearing of input shaft and the layshaft bearing being respectively used to install first stage decelerator, the second bearing hole and the 3rd bearing hole.
11. Direct wheel drives bridges as claimed in claim 10, it is characterized in that, the inner side of described base portion stretches out and is formed with installation widening plate, and described installation widening plate is between the first projection and the second projection.
12. Direct wheel drives bridges as claimed in claim 10, it is characterized in that, the medial surface of described contiguous block is provided with bar shaped lightening hole, and the lateral surface of described contiguous block is provided with three square lightening holes.
13. Direct wheel drives bridges as claimed in claim 12, it is characterized in that, the rear outer wall on described base portion top being positioned at the 5th projection is also provided with platform, described platform has the deflation hole of communication with cavity.
14. Direct wheel drives bridges as claimed in claim 9, is characterized in that, the inwall of described base portion bottom is provided with the outage running through base portion.
15. Direct wheel drives bridges as claimed in claim 10, it is characterized in that, the bottom of described stay bearing plate is also provided with the oil guiding hole running through stay bearing plate.
16. Direct wheel drives bridges as claimed in claim 5, it is characterized in that, limit drive system of the described first round also comprise be fixedly connected with axle housing oblique thrust bar, be fixed on straight propelling rod on motor mount and the front boom be fixedly mounted on motor mount and back boom, described front boom and back boom are connected with vehicle frame by air bellow and shock absorber.
17. Direct wheel drives bridges as claimed in claim 5, it is characterized in that, limit drive system of the described first round also comprises the plate disc brake be placed between motor and wheel hub, the air chamber of described plate disc brake be arranged to vertical direction at an angle.
18. Direct wheel drives bridges as claimed in claim 17, is characterized in that, the air chamber of described plate disc brake is arranged to be 45 degree of angles with vertical direction.
19. Direct wheel drives bridges as described in claim 16 or 17 or 18, it is characterized in that, described Direct wheel drives bridge also comprises the second Direct wheel drives system being connected to the axle housing other end, the composition of described second Direct wheel drives system is identical with first round limit drive system, and described second Direct wheel drives system is arranged symmetrically relative to the center of axle housing and first round limit drive system.
20. Direct wheel drives bridges as claimed in claim 19, is characterized in that, described axle housing is thick, the middle thin hollow tubular structures in two ends, and the two ends of axle housing have the C shape end face adapting to motor and install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010106175.2A CN102139629B (en) | 2010-01-29 | 2010-01-29 | Wheel drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010106175.2A CN102139629B (en) | 2010-01-29 | 2010-01-29 | Wheel drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139629A CN102139629A (en) | 2011-08-03 |
| CN102139629B true CN102139629B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010106175.2A Active CN102139629B (en) | 2010-01-29 | 2010-01-29 | Wheel drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102139629B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555773B (en) * | 2012-01-18 | 2015-01-14 | 武汉新能车桥技术发展有限公司 | Low-floor gate-type wheel-side motor rear axle for electric bus |
| CN113815393A (en) | 2016-05-06 | 2021-12-21 | 艾里逊变速箱公司 | Axle assembly with electric motor |
| JP6794211B2 (en) * | 2016-10-14 | 2020-12-02 | Ntn株式会社 | In-wheel motor drive |
| JP6914635B2 (en) * | 2016-10-17 | 2021-08-04 | Ntn株式会社 | In-wheel motor drive |
| CN110454550B (en) * | 2018-05-08 | 2022-02-01 | 德纳(无锡)技术有限公司 | Multistage planetary reduction transmission and mounting structure for vehicle |
| USD883864S1 (en) | 2018-05-10 | 2020-05-12 | Allison Transmission, Inc. | Axle assembly |
| CN109058384A (en) * | 2018-06-29 | 2018-12-21 | 北京理工大学 | A kind of transmission reversing mechanism of electric vehicle |
| CN110682790B (en) | 2018-07-04 | 2021-12-07 | 比亚迪股份有限公司 | Vehicle transmission device and vehicle |
| USD927578S1 (en) | 2018-09-27 | 2021-08-10 | Allison Transmission, Inc. | Axle assembly |
| CN114290889A (en) * | 2021-06-30 | 2022-04-08 | 华为数字能源技术有限公司 | Power device and vehicle |
| CN118438834B (en) * | 2024-07-08 | 2024-10-11 | 比亚迪股份有限公司 | Driving axle assembly and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6006870A (en) * | 1997-03-08 | 1999-12-28 | Zf Friedrichshafen Ag | Disc brake arrangement for an individual wheel drive |
| CN1356943A (en) * | 1999-07-13 | 2002-07-03 | 腓特烈斯港齿轮工厂股份公司 | Axle having bridge arranged underneath wheel axle |
| DE10219922A1 (en) * | 2002-05-03 | 2003-11-20 | Zahnradfabrik Friedrichshafen | Drive axle with integrated brake unit has drive for both drive wheels which are directly connected to the output stage of the gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT618U1 (en) * | 1995-01-24 | 1996-02-26 | Steyr Daimler Puch Ag | WHEEL DRIVE UNIT FOR ELECTRIC VEHICLES |
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2010
- 2010-01-29 CN CN201010106175.2A patent/CN102139629B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6006870A (en) * | 1997-03-08 | 1999-12-28 | Zf Friedrichshafen Ag | Disc brake arrangement for an individual wheel drive |
| CN1356943A (en) * | 1999-07-13 | 2002-07-03 | 腓特烈斯港齿轮工厂股份公司 | Axle having bridge arranged underneath wheel axle |
| DE10219922A1 (en) * | 2002-05-03 | 2003-11-20 | Zahnradfabrik Friedrichshafen | Drive axle with integrated brake unit has drive for both drive wheels which are directly connected to the output stage of the gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102139629A (en) | 2011-08-03 |
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