CN102139629A - Wheel drive axle - Google Patents

Wheel drive axle Download PDF

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Publication number
CN102139629A
CN102139629A CN2010101061752A CN201010106175A CN102139629A CN 102139629 A CN102139629 A CN 102139629A CN 2010101061752 A CN2010101061752 A CN 2010101061752A CN 201010106175 A CN201010106175 A CN 201010106175A CN 102139629 A CN102139629 A CN 102139629A
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China
Prior art keywords
gear
axle
limit drive
motor
taking turns
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CN2010101061752A
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Chinese (zh)
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CN102139629B (en
Inventor
谢世滨
彭旺
潘洪明
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201010106175.2A priority Critical patent/CN102139629B/en
Publication of CN102139629A publication Critical patent/CN102139629A/en
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Publication of CN102139629B publication Critical patent/CN102139629B/en
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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

Wheel limit drive axle
Technical field
The present invention relates to a kind of limit drive axle of taking turns.
Background technology
Adopting its power transmission route of vehicle of common rear driving axle is 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 of all there are the certain energy loss in gear mesh and shaft drive, messenger chain is long more, and waste of power is big more, so drive-train efficiency is just low more, and the car load economy is also low more.
Common rear driving axle axle housing is middle because of main reduction gear and diff will be installed, need to increase the bridge bag of projection at the axle housing place, adopt the city bus of common rear driving axle in addition, combustion engine (drive motor) and gearbox arrangement are in the vehicle frame rear end, must raise the height of back floor in the car, therefore adopt the floor, the interior back of city bus car of rear driving axle generally all to have two to three grades to mark time, be difficult to realize the wheel chair access requirement of car load low floor and passage.
US6722459 discloses a kind of limit drive axle structure of taking turns, do not need parts such as power-transfer clutch, change-speed box, transmission shaft, main reduction gear, diff, ball-type universal-joint based on this electrobus of taking turns limit drive axle form, its drive motor acceleration and deceleration device mechanism can be placed directly in inside wheel and side, thereby make whole drive axle compact conformation, the space availability ratio height is beneficial to and realizes the car load low floorization.But in US6722459, the one-level retarder is the planet gear type structure, and the internal tooth of gear ring is difficult for processing, and the internal tooth accuracy requirement of gear ring is higher, so this one-level retarder is not easy to assembling and processing difficulties.
Summary of the invention
Technical matters to be solved by this invention is the defective of taking turns limit drive axle one-level reducer structure complexity, being difficult for processing at existing, and a kind of limit drive axle of taking turns is provided, and this is taken turns in the drive axle of limit, and the one-level reducer structure is simple, is easy to processing and assembling.
The present invention is achieved by the following technical programs: a kind of limit drive axle of taking turns, comprise first round limit drive system, limit drive system of the described first round comprises motor, be connected the one-level retarder on the output shaft of motor, described one-level retarder 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 the wheel revolutions axle, the S. A. of described input shaft gear is coaxial with the output shaft of motor, the output shaft of motor is captiveed joint with input shaft gear, be used to drive input shaft gear, input shaft gear and counter shaft driven gear engagement, drive counter shaft driven gear, therefore and drive with counter shaft driven gear and be fixed on layshaft drive gear on the same axle, layshaft drive gear and output shaft gear engagement pass to output shaft gear with propulsive effort.
Further, the axis of the output shaft of described motor is with respect to the axis bias setting of wheel revolutions axle.
Further, the output shaft of described motor is connected by spline with input shaft gear.
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 axle head of described motor places the inner chamber of described motor mount, and described motor is captiveed joint with motor mount.
Further, have cavity between described motor mount and the axle tube, described one-level retarder is arranged in the 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 described output shaft gear passes to wheel with the propulsive effort of motor output by semiaxis and two-stage reduction gear.
Further, described two-stage reduction gear is the planetary plate speed reduction gearing, comprise sun wheel, pinion carrier, satellite gear, gear ring and housing, described sun wheel is an input end, described pinion carrier is a mouth, gear ring is fixed on the axle tube by spline, and pinion carrier links to each other with housing, and the power that comes from the input end transmission is delivered on wheel hub and the wheel by housing.
Further, described motor mount has base portion, the bottom of described base portion is provided with first installation portion that the other end of motor mount is captiveed joint with axle housing, the arranged outside of described base portion has second installation portion that an end of motor mount is captiveed joint with axle tube, and the inner wall limit of described base portion goes out the inner chamber of motor mount.
Further, described motor mount also comprises being arranged at and is used in the described motor cabinet inner chamber the 3rd installation portion of one-level retarder is installed and is arranged at the 4th installation portion that the base portion inboard is used to install motor.
Further, described the 3rd installation portion comprises the external stay bearing plate that is fixed on the base portion inwall, and described stay bearing plate is provided with the clutch shaft bearing hole, second bearing hole and the third axle that are respectively applied for output shaft bearing, bearing of input shaft and layshaft bearing that the one-level retarder is installed and holds the hole.
Further, described motor mount also comprises and is arranged at preceding suspended wall mount pad and the back boom mount pad that both sides before and after the described base portion are used to install front boom and back boom.
Further, the suspended wall mount pad comprises first projection that is arranged on matrix underpart and is arranged on second projection of the first projection top position before described, and described back boom mount pad comprises the 3rd projection that is arranged on matrix underpart, is arranged on the 4th projection of the 3rd projection top position and is arranged on the contiguous block that is used to connect the 3rd projection and the 4th projection on the matrix outer wall.
Further, the inboard of described matrix stretches out to be formed with to install and adds wide plate, and described installation adds wide plate between first projection and second projection.
Further, the medial surface of described contiguous block is provided with the 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 the 5th projection that described base portion top is used to install straight propelling rod.
Further, the rear that is positioned at the 5th projection on the outer wall on described matrix top also is provided with platform, has the deflation hole of communication with cavity on the described platform.
Further, the inwall of described base portion bottom is provided with the outage that runs through matrix.
Further, the bottom of described stay bearing plate also is provided with the oil guiding hole that runs through stay bearing plate.
Further, limit drive system of the described first round also comprises the oblique thrust bar of captiveing joint with axle housing, be fixed on the straight propelling rod on the motor mount and be fixedly mounted on front boom and back boom on the motor mount, and described front boom and back boom connect to ground by air bellow and shock absorber.
Further, limit drive system of the described first round also comprises the plate disc brake that places between motor and the 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 angles with vertical direction.
Further, the described limit drive axle of taking turns comprises that also being connected in second of the axle housing other end takes turns the limit drive system, described second to take turns the composition of limit drive system identical with first round limit drive system, and described second takes turns the limit drive system is provided with symmetrically with respect to the center and the first round limit drive system of axle housing 1.
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 that adapts to the motor installation.
According to the limit drive axle of taking turns of the present invention, the one-level retarder is the triple axle structure, and is simple in structure, do not need to process internal tooth, therefore be easy to processing and assembling, and this one-level retarder transmitting ratio is big.And owing to increased motor mount, motor mount connects axle housing and axle tube, makes motor to remove separately, and need not to remove simultaneously axle housing, is convenient to the assembling of motor and the field-strip of later stage motor.And the limit drive axle compact conformation of taking turns of the present invention has been saved installing space, and since plate disc brake be arranged to vertical direction at an angle, therefore reduced the whole height of drive axle, help realizing the low floor requirement of vehicle.
Description of drawings
Fig. 1 is a cutaway view of taking turns a kind of embodiment of limit drive axle provided by the invention;
Fig. 2 is a structural representation of taking turns a kind of embodiment of limit drive axle provided by the invention;
Fig. 3 is a structural representation of taking turns a kind of embodiment motor mount of limit drive axle provided by the invention;
Fig. 4 is another visual angle of Fig. 3 figure;
Fig. 5 is a structural representation of taking turns a kind of embodiment one-level of limit drive axle retarder provided by the invention.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Below said all around, all be meant all around, the above-below direction of vehicle up and down.
As Fig. 1 and shown in Figure 5, the limit drive axle of taking turns 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 the one-level retarder 5 on the output shaft 21 of motor 2, described one-level retarder 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 the wheel revolutions axle, the S. A. of described input shaft gear 51 is coaxial with the output shaft of motor 21, the output shaft 21 of motor is captiveed joint with input shaft gear 51, be used to drive input shaft gear 51, input shaft gear 51 and counter shaft driven gear 53 engagements, drive counter shaft driven gear 53, therefore and drive with counter shaft driven gear 53 and be fixed on layshaft drive gear 54 on the same axle, layshaft drive gear 54 and output shaft gear engagement 52 pass to output shaft gear 52 with propulsive effort.In the present embodiment, the axis of the output shaft 21 of motor is with respect to the axis bias setting of wheel revolutions axle (being semiaxis 9), as shown in Figure 1, the position that the position of semiaxis 9 is higher than motor output shaft 21 is provided with, because the biasing setting of motor 2 makes the brake clamp 152 and the air chamber 151 that there are enough space mounting plate disc brakies 15 between motor 2 and the wheel 11.The output shaft 21 of motor and input shaft gear 51 are connected by spline.In the present embodiment, one-level retarder 5 is a three-axis structure, its three are 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 shared S. A. of counter shaft driven gear 53 and layshaft drive gear 54, described input shaft, output shaft and tween drive shaft pass through bearing of input shaft respectively, output shaft bearing and layshaft bearing are installed on the 3rd installation portion 45 of motor mount 4, particularly, clutch shaft bearing hole 452 on the stay bearing plate 451 in the 3rd installation portion 45, second bearing hole 453 and third axle hold hole 454 and are respectively applied for installation one-level input shaft of speed reducer bearing, output shaft bearing and layshaft bearing are to provide the support of one-level retarder 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.The helical wheel transmission can reduce the noise that gear is produced when meshing 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 ends and be fixedly connected on the axle housing 1 of motor mount 4 other ends, described motor mount 4 has inner chamber 41, the output axle head of described motor 2 places the inner chamber 41 of described motor mount, and described motor 2 is captiveed joint with motor mount 4.In the present embodiment, have cavity between described motor mount 4 and the axle tube 3, described one-level retarder 5 is arranged in the 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 described output shaft gear 52 passes to wheel 11 with the propulsive effort of motor 2 outputs by semiaxis 9 and two-stage reduction gear 10.More preferably, described two-stage reduction gear 10 is the 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 an input end, described pinion carrier 102 is mouths, gear ring 104 is fixed on the axle tube 3 by spline, and pinion carrier 102 links to each other with housing 105, transmits the power that comes from input end 101 and is delivered on wheel hub 14 and the 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 first installation portion 43 that the other end of motor mount 4 is captiveed joint with axle housing 1, the arranged outside of described base portion 42 has second installation portion 44 that an end of motor mount 4 is captiveed joint with axle tube 3, and the inner wall limit of described base portion 42 goes out the inner chamber 41 of motor mount.As shown in Figure 4, the lateral surface of base portion 42 constitutes second installation portion 44.Described motor mount 4 also comprises being arranged at and is used to the 4th installation portion 49 that is used to install motor 2 the 3rd installation portion 45 of one-level retarder 5 being installed and being arranged at base portion 42 inboards in the described motor cabinet inner chamber 41.As shown in Figure 3, the medial surface of base portion 42 constitutes the 4th installation portion 49.In the present embodiment, described motor 2 has external flange 22, and motor 2 is fixed on by external flange 22 on the medial surface of base portion 42 (promptly on the 4th installation portion 49).In the present embodiment, described the 3rd installation portion 45 comprises the external stay bearing plate 451 that is fixed on base portion 42 inwalls, and described stay bearing plate 451 is provided with the clutch shaft bearing hole 452, second bearing hole 453 and the third axle that are respectively applied for installation one-level input shaft of speed reducer bearing, output shaft bearing and layshaft bearing and holds hole 454.
In the present embodiment, described motor mount 4 also comprises and is arranged at preceding suspended wall mount pad 46 and the back boom mount pad 47 that both sides, described base portion 42 front and back are used to install front boom 6 and back boom 7.Suspended wall mount pad 46 comprises first projection 461 that is arranged on matrix 42 bottoms and is arranged on second projection 462 of first projection, 461 top positions before described, and described back boom mount pad 47 comprises the 3rd projection 471 that is arranged on matrix 42 bottoms, is arranged on the 4th projection 472 of the 3rd projection 471 top positions and is arranged on the contiguous block 473 that is used to connect the 3rd projection 471 and the 4th projection 472 on matrix 42 outer walls.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 inboard of described matrix 42 stretches out to be formed with to install and adds wide plate 421, and described installation adds wide plate 421 between first projection 462 and second projection 463.In the present embodiment, install that to add wide plate 421 be according to being provided with of electric machine casing, can increase attachment face, the enhancing mounting stability.
In the present embodiment, described motor mount 4 also comprises and is arranged at the 5th projection 48 that described base portion 42 tops are used to install straight propelling rod 8.The rear that is positioned at the 5th projection 48 on the outer wall on described matrix 42 tops also is provided with platform 422, has the deflation hole 423 of communication with cavity 41 on the described platform 422.Can make the air expansion in the inner chamber 41 after one-level rectifier 5 heating, gas can be discharged by deflation hole 423 behind the air expansion, thereby can avoid the infringement of the motor mount that air expansion causes.
In the present embodiment, the inwall of described base portion 42 bottoms is provided with the outage 424 that runs through matrix 42.The bottom of described stay bearing plate also is provided with the oil guiding hole 425 that runs through stay bearing plate.One-level retarder 5 is owing to be gear transmission, therefore lubricating oil is inevitable, but need behind the lubricating oil certain hour to change, lubricated can the inflow of changing in the inner chamber 41 by oil guiding hole 425, and via 424 discharges of the outage on the inwall of base portion 42 bottoms, the replacing of lubricating oil is convenient and swift, can not influence other parts.
In the present embodiment, limit drive system of the described first round 100 also comprises the oblique thrust bar 12 of captiveing joint with axle housing 1, be fixed on the straight propelling rod 8 on the motor mount 4 and be fixedly mounted on front boom 6 and back boom 7 on the motor mount 4, and described front boom 6 and back suspended wall 7 all connect to ground by air bellow 13 and shock absorber 14.More preferably, front boom 6 and back boom 7 are installed in respectively on the preceding suspended wall mount pad 46 and back boom mount pad 47 on the motor mount, and straight propelling rod 8 is installed 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 that places between motor 2 and the wheel hub 14, described plate disc brake 15 by air chamber 151, brake clamp 152, and brake disc 153 constitute, the air chamber 151 of described plate disc brake 15 be arranged to vertical direction at an angle, for example 45 spend angles, the air chamber 151 of plate disc brake 15 highly reduces like this, and the whole height of drive axle reduces, and helps realizing the low floor design of vehicle.
In the present embodiment, the described limit drive axle of taking turns comprises that also being connected in second of axle housing 1 other end takes turns the limit drive system, described second to take turns the composition of limit drive system identical with first round limit drive system 100, described second takes turns the limit drive system is provided with symmetrically with respect to the center and the first round limit drive system 100 of axle housing 1, and limit drive system of the described first round 100, second is taken turns the limit drive system and connected the complete wheel limit drive axle of axle housing 1 common the present invention of formation that first round limit drive system 100, second is taken turns the limit drive system.
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 that adapts to the motor installation.
According to the limit drive axle of taking turns of the present invention, the one-level retarder is the triple axle structure, and is simple in structure, do not need to process internal tooth, therefore be easy to processing and assembling, and this one-level retarder transmitting ratio is big.And owing to increased motor mount, motor mount connects axle housing and axle tube, makes motor to remove separately, and need not to remove simultaneously axle housing, is convenient to the assembling of motor and the field-strip of later stage motor.And the limit drive axle compact conformation of taking turns of the present invention has been saved installing space, and since plate disc brake be arranged to vertical direction at an angle, therefore reduced the whole height of drive axle, help realizing the low floor requirement of vehicle.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (24)

1. take turns the limit drive axle for one kind, comprise first round limit drive system, limit drive system of the described first round comprises motor, be connected the one-level retarder on the output shaft of motor, it is characterized in that, described one-level retarder 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 the wheel revolutions axle, the S. A. of described input shaft gear is coaxial with the output shaft of motor, the output shaft of motor is captiveed joint with input shaft gear, be used to drive input shaft gear, input shaft gear and counter shaft driven gear engagement, drive counter shaft driven gear, therefore and drive with counter shaft driven gear and be fixed on layshaft drive gear on the same axle, layshaft drive gear meshes with output shaft gear, and propulsive effort is passed to output shaft gear.
2. the limit drive axle of taking turns as claimed in claim 1 is characterized in that the axis of the output shaft of described motor is with respect to the axis bias setting of wheel revolutions axle.
3. the limit drive axle of taking turns as claimed in claim 1 is characterized in that the output shaft of described motor is connected by spline with input shaft gear.
4. the limit drive axle of taking turns as claimed in claim 1 is characterized in that described input shaft gear, output shaft gear, counter shaft driven gear and layshaft drive gear are helical wheel.
5. the limit drive axle of taking turns as claimed in claim 1, it is characterized in that, 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 axle head of described motor places the inner chamber of described motor mount, and described motor is captiveed joint with motor mount.
6. the limit drive axle of taking turns as claimed in claim 5 is characterized in that having cavity between described motor mount and the axle tube, and described one-level retarder is arranged in the described cavity.
7. as any described limit drive axle of taking turns of claim 1 to 6, 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 described output shaft gear passes to wheel with the propulsive effort of motor output by semiaxis and two-stage reduction gear.
8. the limit drive axle of taking turns as claimed in claim 7, it is characterized in that, described two-stage reduction gear is the planetary plate speed reduction gearing, comprise sun wheel, pinion carrier, satellite gear, gear ring and housing, described sun wheel is an input end, and described pinion carrier is a mouth, and gear ring is fixed on the axle tube by spline, pinion carrier links to each other with housing, and the power that comes from the input end transmission is delivered on wheel hub and the wheel by housing.
9. the limit drive axle of taking turns as claimed in claim 5, it is characterized in that, described motor mount has base portion, the bottom of described base portion is provided with first installation portion that the other end of motor mount is captiveed joint with axle housing, the arranged outside of described base portion has second installation portion that an end of motor mount is captiveed joint with axle tube, and the inner wall limit of described base portion goes out the inner chamber of motor mount.
10. the limit drive axle of taking turns as claimed in claim 9 is characterized in that, described motor mount also comprises being arranged at and is used in the described motor cabinet inner chamber the 3rd installation portion of one-level retarder is installed and is arranged at the 4th installation portion that the base portion inboard is used to install motor.
11. the limit drive axle of taking turns as claimed in claim 10, it is characterized in that, described the 3rd installation portion comprises the external stay bearing plate that is fixed on the base portion inwall, and described stay bearing plate is provided with the clutch shaft bearing hole, second bearing hole and the third axle that are respectively applied for output shaft bearing, bearing of input shaft and layshaft bearing that the one-level retarder is installed and holds the hole.
12. the limit drive axle of taking turns as claimed in claim 9 is characterized in that, described motor mount also comprises and is arranged at preceding suspended wall mount pad and the back boom mount pad that both sides before and after the described base portion are used to install front boom and back boom.
13. the limit drive axle of taking turns as claimed in claim 12, it is characterized in that, the suspended wall mount pad comprises first projection that is arranged on matrix underpart and is arranged on second projection of the first projection top position before described, and described back boom mount pad comprises the 3rd projection that is arranged on matrix underpart, is arranged on the 4th projection of the 3rd projection top position and is arranged on the contiguous block that is used to connect the 3rd projection and the 4th projection on the matrix outer wall.
14. the limit drive axle of taking turns as claimed in claim 13 is characterized in that, the inboard of described matrix stretches out to be formed with to install and adds wide plate, and described installation adds wide plate between first projection and second projection.
15. the limit drive axle of taking turns as claimed in claim 13 is characterized in that the medial surface of described contiguous block is provided with the bar shaped lightening hole, the lateral surface of described contiguous block is provided with three square lightening holes.
16. the limit drive axle of taking turns as claimed in claim 9 is characterized in that, described motor mount also comprises and is arranged at the 5th projection that described base portion top is used to install straight propelling rod.
17. the limit drive axle of taking turns as claimed in claim 16 is characterized in that the rear that is positioned at the 5th projection on the outer wall on described matrix top also is provided with platform, has the deflation hole of communication with cavity on the described platform.
18. the limit drive axle of taking turns as claimed in claim 9 is characterized in that the inwall of described base portion bottom is provided with the outage that runs through matrix.
19. the limit drive axle of taking turns as claimed in claim 11 is characterized in that the bottom of described stay bearing plate also is provided with the oil guiding hole that runs through stay bearing plate.
20. the limit drive axle of taking turns as claimed in claim 5, it is characterized in that, limit drive system of the described first round also comprises the oblique thrust bar of captiveing joint with axle housing, be fixed on the straight propelling rod on the motor mount and be fixedly mounted on front boom and back boom on the motor mount, and described front boom and back boom connect to ground by air bellow and shock absorber.
21. the limit drive axle of taking turns as claimed in claim 5 is characterized in that limit drive system of the described first round also comprises the plate disc brake that places between motor and the wheel hub, the air chamber of described plate disc brake be arranged to vertical direction at an angle.
22. the limit drive axle of taking turns as claimed in claim 20 is characterized in that, the air chamber of described plate disc brake is arranged to be 45 degree angles with vertical direction.
23. as claim 20 or the 21 or 22 described limit drive axles of taking turns, it is characterized in that, the described limit drive axle of taking turns comprises that also being connected in second of the axle housing other end takes turns the limit drive system, described second to take turns the composition of limit drive system identical with first round limit drive system, and described second takes turns the limit drive system is provided with symmetrically with respect to the center and the first round limit drive system of axle housing.
24. the limit drive axle of taking turns as claimed in claim 23 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 that adapts to the motor installation.
CN201010106175.2A 2010-01-29 2010-01-29 Wheel drive axle Active CN102139629B (en)

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CN102139629B CN102139629B (en) 2015-03-25

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Cited By (10)

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CN108473044A (en) * 2016-10-14 2018-08-31 Ntn株式会社 In-wheel motor drive unit
CN109070729A (en) * 2016-10-17 2018-12-21 Ntn株式会社 In-wheel motor drive unit
CN109058384A (en) * 2018-06-29 2018-12-21 北京理工大学 A kind of transmission reversing mechanism of electric vehicle
EP3566891A1 (en) * 2018-05-08 2019-11-13 Dana (Wuxi) Technology Co. Ltd. Multi-stage planetary reduction drive apparatus for vehicle and mounting arrangement thereof
USD883864S1 (en) 2018-05-10 2020-05-12 Allison Transmission, Inc. Axle assembly
US10882389B2 (en) 2016-05-06 2021-01-05 Allison Transmission, Inc. Axle assembly with electric motor
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
US11827091B2 (en) 2018-07-04 2023-11-28 Byd Company Limited Vehicle transmission apparatus and vehicle

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Cited By (13)

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CN102555773A (en) * 2012-01-18 2012-07-11 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
US10882389B2 (en) 2016-05-06 2021-01-05 Allison Transmission, Inc. Axle assembly with electric motor
CN108473044A (en) * 2016-10-14 2018-08-31 Ntn株式会社 In-wheel motor drive unit
CN109070729A (en) * 2016-10-17 2018-12-21 Ntn株式会社 In-wheel motor drive unit
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
EP3566891A1 (en) * 2018-05-08 2019-11-13 Dana (Wuxi) Technology Co. Ltd. Multi-stage planetary reduction drive apparatus for vehicle and mounting arrangement thereof
CN110454550A (en) * 2018-05-08 2019-11-15 德纳(无锡)技术有限公司 Multistage planet speed reduction gearing and mounting structure for vehicle
US10953745B2 (en) 2018-05-08 2021-03-23 Dana (WUXI) Technology Co., Ltd. Multi-stage planetary reduction drive apparatus for vehicle and mounting arrangement thereof
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
US11827091B2 (en) 2018-07-04 2023-11-28 Byd Company Limited Vehicle transmission apparatus 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

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