CN202448733U - Low floor door type wheel-side motor rear bridge for electric motor coach - Google Patents
Low floor door type wheel-side motor rear bridge for electric motor coach Download PDFInfo
- Publication number
- CN202448733U CN202448733U CN2012200230315U CN201220023031U CN202448733U CN 202448733 U CN202448733 U CN 202448733U CN 2012200230315 U CN2012200230315 U CN 2012200230315U CN 201220023031 U CN201220023031 U CN 201220023031U CN 202448733 U CN202448733 U CN 202448733U
- Authority
- CN
- China
- Prior art keywords
- wheel
- housing
- motor
- reduction gear
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to a low floor door type wheel-side motor rear bridge for an electric motor coach. The low floor door type wheel-side motor rear bridge comprises a bridge shell, a motor, a primary speed reducer, a secondary speed reducer, a brake and a wheel hub; a front end of a shell of the primary speed reducer is connected with the bridge shell; a motor stator is fixed in the front end of the shell of the primary speed reducer; a rotor is connected with a motor output shaft, so as to drive the motor output shaft to rotate; the motor output shaft is axially parallel to the wheel hub; primary speed reduction refers to cylindrical inclined gear pair transmission, and secondary speed reduction refers to cylindrical gear planetary system transmission; the brake is mounted outside the shell of the primary speed reducer and is used for braking the wheel hub; and the motor, the primary speed reducer, the secondary speed reducer and the wheel hub are symmetrically arranged at the left side and the right side of the bridge shell. The motor of a wheel-side driving bridge of the electric motor coach is integrated in the bridge shell, and the power transmission direction is axially parallel to the wheel hub, namely a wheel, so that the reasonable and compact structural design and the high transmission efficiency can be achieved.
Description
Technical field
The utility model belongs to passenger-carrying chassis class back axle assembly field, is specifically related to electrobus with low floor gate-type wheel motor back axle.
Background technology
Traditional automotive axle and conventional motors have all developed ripe relatively.Under the megatrend of electronlmobil development; Overwhelming majority's battery-driven car producer replaces providing power driving engine with motor; And prolong with traditional car transmissions (transmission shaft, main reduction gear, diff etc.), both are mechanically combined, like this since complex structure not only; Driving efficiency is lower, and economy is relatively poor; The automobile curb mass is bigger, makes the continual mileage of electronlmobil receive certain restriction; Receive the restriction of main reduction gear version, gate distance and low floor are realized limited; Nonspring carried mass is big, and car load is controlled less stable.
Summary of the invention
The utility model technical matters to be solved provides a kind of motor and is integrated in the axle housing, and transmission of power direction and wheel hub are the wheel axially parallel, and reasonable in design is compact, and the high electrobus of driving efficiency is with low floor gate-type wheel motor back axle.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
Electrobus is characterized in that with low floor gate-type wheel motor back axle: comprise axle housing, motor, one-level retarder, two-stage reduction gear, drg and wheel hub;
The housing front end of described one-level retarder links to each other with axle housing, and said motor stator is fixed in the one-level reducer shell front end, and rotor links to each other with motor output shaft; The drive motor output shaft rotates, said motor output shaft through bearings on axle housing and one-level reducer shell, and with the wheel hub axially parallel; The housing rear end of said one-level retarder is built-in with active oblique gear and driven helical wheel, and the end, rear end of said one-level reducer shell links to each other with the semiaxis sleeve, built-in semiaxis in the said semiaxis sleeve; Said active oblique gear is connected with motor output shaft mutually; Drive rotation by motor output shaft, said driven helical wheel and active oblique gear engagement are rotated under active oblique gear drives; Said driven helical wheel links to each other with semiaxis, drives semiaxis and rotates;
Described two-stage reduction gear is the cylindrical wheel planetary reduction gear, comprises sun wheel, a plurality of satellite gear and pinion carrier, and said semiaxis links to each other with sun wheel; The driving sun wheel is rotated, and said satellite gear and sun wheel engagement drive pinion carrier and rotate; Said pinion carrier links to each other with the housing of two-stage reduction gear; With the housing of transmission of power to two-stage reduction gear, the housing of two-stage reduction gear links to each other with wheel hub, and drive hub rotates;
Described drg is installed outside the housing of one-level retarder, is used for brake hub;
Described motor, one-level retarder, two-stage reduction gear, drg and wheel hub be symmetric arrangement in the left and right sides of axle housing.
Press such scheme, the housing front end of said one-level retarder is nested in and forms the compound type water jacket in the axle housing, and described axle housing is provided with water inlet and water outlet.
Press such scheme, radially be laid with water inlet and water outlet on the described axle housing shell wall relatively; Described one-level reducer shell outer wall circumferentially is laid with annular non-sealing radiating ribs; The relative direction of the non-sealing radiating ribs of said annular is provided with two breach; Respectively with axle housing on the water inlet and the water outlet that are provided with relative, the indentation, there relative with water inlet is axially arranged with the shunting muscle.
Press such scheme, described shunting muscle is the cambered surface triangular shape.
Press such scheme, the housing front end of said motor stator and one-level retarder adopts key to be connected or interference fit connects.
Press such scheme, the housing inboard of said two-stage reduction gear links to each other with wheel hub, and said wheel hub passes through bearings in the housing rear end of one-level retarder.
Press such scheme, described two-stage reduction gear comprises housing, sun wheel, a plurality of satellite gear, gear ring, the gear ring support of two-stage reduction gear, pinion carrier, and said semiaxis links to each other with sun wheel; The driving sun wheel is rotated, said satellite gear one side and sun wheel engagement, and opposite side is meshed with gear ring, and gear ring is connected with the gear ring support mutually; The gear ring support is fixed in the housing rear end of one-level retarder, and described pinion carrier is discoid, and the hole is established at the middle part; Be used to pass semiaxis, circumferentially lay pin-and-hole, be used for being connected mutually with the housing of satellite gear and two-stage reduction gear successively; The housing that drives two-stage reduction gear rotates, and the housing of two-stage reduction gear links to each other with wheel hub, and drive hub rotates.
This electrobus uses the driving process of low floor gate-type wheel motor back axle to be: rotor rotates, and drives motor output shaft and rotates; Motor output shaft drives active oblique gear and rotates; Active oblique gear arrives driven helical wheel with transmission of power; Driven helical wheel drives semiaxis and rotates; Semiaxis drives sun wheel; Sun wheel, satellite gear, gear ring, pinion carrier are formed planet circular system; The pinion carrier outputting power, the housing that drives two-stage reduction gear rotates; The housing drive hub of two-stage reduction gear rotates; Wheel hub links to each other with wheel, outputs power to wheel, drives car load and goes, and wheel hub is the drive brake dish in drive wheels.Glancing impact, brake clamp compresses brake disc, forces hub reduction until stopping through friction, and wheel also slows down until stopping simultaneously.
The beneficial effect of the utility model:
1. electric machine built-in is in axle housing; Transmission of power direction and wheel hub are the wheel axially parallel, adopt double reduction gear drive wheels (one-level is slowed down and adopted the cylindric spiral gear auxiliary driving, and double reduction is the transmission of cylindrical wheel planetary system); The structure design compact and reasonable, structural entity rigidity and intensity are significantly improved, and driving efficiency is high, and high-performance motor is convenient to choose in the built-in space that also can to a certain degree increase motor simultaneously, and economic performance effectively improves;
2. can realize the low floor gate far from electrobus through replacing traditional main reduction gear, reduce the automobile curb mass and reduce, under existing battery technology condition, effectively increase the continuation of the journey mileage.
3. the axle housing both sides are laid a motor respectively, are convenient to control respectively.As based on existing A ckerman-Jean tand steering model and anti-skidding driving requirement; Can be electrobus and arrange a cover drive system with the every side in the low floor gate-type wheel motor back axle; Adopt rational electronic differential control policy; Independent allocation power satisfies the driving requirement under the different operating modes as required, and realizes the function of mechanical transmission.
Description of drawings
Fig. 1 is the electrobus wheel limit drive axle cutaway view of the utility model;
Fig. 2 is the electrobus wheel limit drive axle gear ring support scheme drawing of the utility model;
Fig. 3 is the electrobus wheel limit drive axle pinion carrier scheme drawing of the utility model;
Fig. 4 is the transmission of power sketch of the utility model;
Among the figure: 1 motor stator; 2 rotors; 3 axle housings; 4 circular combined water jackets; 5 active oblique gears; 6 driven helical wheels; 7 semiaxis; 8 sun wheels; 9 satellite gears; 10 gear rings; 11 pinion carriers; The housing of 12 two-stage reduction gears; 13 wheel hubs; 14 brake discs; The housing of 15 one-level retarders; 16 gear ring supports; 17 motor output shafts; 18 brake clamps; 19 axle tubes.
The specific embodiment
Electrobus is seen shown in Figure 1 with low floor gate-type wheel motor back axle: comprise axle housing, motor, one-level retarder, two-stage reduction gear, drg and wheel hub;
The front end of the housing 15 of said one-level retarder is nested in and forms circular combined water jacket 4 in the axle housing 3; The water inlet of compound type water jacket and water outlet are located on the axle housing shell wall; And link to each other with external water tank; The cooling of realization motor cycle, said one-level reducer shell front end outer wall middle part circumferentially is laid with a non-sealing radiating ribs of annular, and the non-sealing radiating ribs of said annular symmetry is laid with two breach; Respectively with axle housing on the water inlet and the water outlet that are provided with relative, the indentation, there relative with water inlet is axially arranged with cambered surface triangular shape shunting muscle.Said motor stator 1 is fixed in the one-level reducer shell front end through interference fit, and rotor 2 links to each other with the motor output shaft flat key, drives motor output shaft and rotates; Said motor output shaft 17 through bearings on the housing of axle housing and one-level retarder, and with wheel hub 13 axially parallels, said motor output shaft end end is provided with male splines; The housing rear end of said one-level retarder is built-in with active oblique gear 5 and driven helical wheel 6, and the end, rear end of said one-level reducer shell links to each other 19 with the semiaxis sleeve, built-in semiaxis 7 in the said semiaxis sleeve; The semiaxis two ends are equipped with male splines; Said axle tube rear end is provided with male splines, and said active oblique gear links to each other with the motor output shaft spline, is driven by motor output shaft and rotates; Said driven helical wheel and active oblique gear engagement; Under active oblique gear drives, rotate, said driven helical wheel links to each other with Formation of Axle Shaft Spline, drives semiaxis and rotates;
Described two-stage reduction gear is the cylindrical wheel planetary reduction gear, comprises sun wheel, 5 satellite gears, gear ring, gear ring support, the housing of pinion carrier, two-stage reduction gear, and said sun wheel 8 is provided with female splines; Link to each other through spline with the terminal end of semiaxis, under the drive of semiaxis, rotate, said satellite gear 9 one sides and sun wheel engagement, opposite side is meshed with gear ring 10; Said gear ring support 16 is a T type disk, and the big end of T type disk is meshed with gear ring, is provided with female splines in the small end of T type disk, adopts spline to be connected with the male splines of the housing rear end arranged outside of one-level retarder; See shown in Figure 2ly, described pinion carrier 11 is discoid, and the hole is established at the middle part; Be used to pass semiaxis, circumferentially evenly lay pin-and-hole and joint pin at interval, the joint pin end is provided with tapped bore; Be used for the housing of two-stage reduction gear 12 fixingly, see shown in Figure 3ly, said pinion carrier links to each other with satellite gear through bearing pin earlier; Be connected mutually with the housing of two-stage reduction gear then, again the housing and the joint pin of two-stage reduction gear used screw bolt reinforcing, the housing that drives two-stage reduction gear rotates; The housing of two-stage reduction gear is inboard to link to each other with wheel hub 13 through bolt, and drive hub rotates, and said wheel hub one end is through the housing rear end middle part of bearings in the one-level retarder; Outside gear ring support small end, wheel hub has wheel through bolted connection to the other end through bearings, and drive wheels is rotated;
Described drg is a plate disc brake, comprises brake disc and brake clamp, and said brake clamp 18 is installed on the housing of one-level retarder, and said brake disc 14 links to each other with wheel hub;
Described motor, one-level retarder, two-stage reduction gear, wheel hub and drg are two covers, are arranged symmetrically in the left and right sides of axle housing.
This electrobus is seen Fig. 4 with the driving process of low floor gate-type wheel motor back axle: rotor rotates, and drives motor output shaft through flat key and rotates; Motor output shaft drives active oblique gear through spline and rotates; Active oblique gear arrives driven helical wheel with transmission of power; Driven helical wheel drives semiaxis through spline and rotates; Semiaxis is terminal to drive sun wheel through spline; Sun wheel, satellite gear, gear ring, pinion carrier are formed cylindrical wheel planetary reduction gear system; The pinion carrier outputting power, the housing that drives two-stage reduction gear rotates; The housing drive hub of two-stage reduction gear rotates; Wheel hub is connected with wheel, outputs power to wheel, drives car load and goes, and wheel hub is the drive brake dish in drive wheels.Glancing impact, brake clamp compresses brake disc, forces hub reduction until stopping through friction, and wheel also slows down until stopping simultaneously.
Claims (6)
1. electrobus is characterized in that with low floor gate-type wheel motor back axle: comprise axle housing, motor, one-level retarder, two-stage reduction gear, drg and wheel hub;
The housing front end of described one-level retarder links to each other with axle housing, and said motor stator is fixed in the one-level reducer shell front end, and rotor links to each other with motor output shaft; The drive motor output shaft rotates, said motor output shaft through bearings on axle housing and one-level reducer shell, and with the wheel hub axially parallel; The housing rear end of said one-level retarder is built-in with active oblique gear and driven helical wheel, and the end, rear end of said one-level reducer shell links to each other with the semiaxis sleeve, built-in semiaxis in the said semiaxis sleeve; Said active oblique gear is connected with motor output shaft mutually; Drive rotation by motor output shaft, said driven helical wheel and active oblique gear engagement are rotated under active oblique gear drives; Said driven helical wheel links to each other with semiaxis, drives semiaxis and rotates;
Described two-stage reduction gear is the cylindrical wheel planetary reduction gear, comprises sun wheel, a plurality of satellite gear and pinion carrier, and said semiaxis links to each other with sun wheel; The driving sun wheel is rotated, and said satellite gear and sun wheel engagement drive pinion carrier and rotate; Said pinion carrier links to each other with the housing of two-stage reduction gear; With the housing of transmission of power to two-stage reduction gear, the housing of two-stage reduction gear links to each other with wheel hub, and drive hub rotates;
Described drg is installed outside the housing of one-level retarder, is used for brake hub;
Described motor, one-level retarder, two-stage reduction gear, drg and wheel hub be symmetric arrangement in the left and right sides of axle housing.
2. electrobus according to claim 1 is characterized in that with low floor gate-type wheel motor back axle: the housing front end of said one-level retarder is nested in and forms the compound type water jacket in the axle housing, and described axle housing is provided with water inlet and water outlet.
3. electrobus according to claim 2 is characterized in that with low floor gate-type wheel motor back axle: radially be laid with water inlet and water outlet on the described axle housing shell wall relatively; Described one-level reducer shell outer wall circumferentially is laid with annular non-sealing radiating ribs; The relative direction of the non-sealing radiating ribs of said annular is provided with two breach; Respectively with axle housing on the water inlet and the water outlet that are provided with relative, the indentation, there relative with water inlet is axially arranged with the shunting muscle.
4. electrobus according to claim 3 is characterized in that with low floor gate-type wheel motor back axle: described shunting muscle is the cambered surface triangular shape.
5. electrobus according to claim 1 is characterized in that with low floor gate-type wheel motor back axle: the housing front end of said motor stator and one-level retarder adopts key to be connected or interference fit connects.
6. electrobus according to claim 1 is characterized in that with low floor gate-type wheel motor back axle: the housing inboard of said two-stage reduction gear links to each other with wheel hub, and said wheel hub passes through bearings in the housing rear end of one-level retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200230315U CN202448733U (en) | 2012-01-18 | 2012-01-18 | Low floor door type wheel-side motor rear bridge for electric motor coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200230315U CN202448733U (en) | 2012-01-18 | 2012-01-18 | Low floor door type wheel-side motor rear bridge for electric motor coach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202448733U true CN202448733U (en) | 2012-09-26 |
Family
ID=46864622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200230315U Withdrawn - After Issue CN202448733U (en) | 2012-01-18 | 2012-01-18 | Low floor door type wheel-side motor rear bridge for electric motor coach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202448733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU215969U1 (en) * | 2022-09-01 | 2023-01-11 | Общество С Ограниченной Ответственностью "Кейджи Импэкс" | Driven portal axle with electric drive |
-
2012
- 2012-01-18 CN CN2012200230315U patent/CN202448733U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU215969U1 (en) * | 2022-09-01 | 2023-01-11 | Общество С Ограниченной Ответственностью "Кейджи Импэкс" | Driven portal axle with electric drive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102555773B (en) | Low-floor gate-type wheel-side motor rear axle for electric bus | |
| CN107487175B (en) | Integrated hub motor driving unit | |
| CN106864251B (en) | Wheel motor drive device | |
| CN203186075U (en) | Wheel motor drive axle for electric vehicle | |
| CN203186074U (en) | Wheel motor drive axle for electric vehicle | |
| CN106740043B (en) | Power assembly device for range-extending type electric vehicle | |
| CN102673381B (en) | Wheel inner driving device | |
| CN203401944U (en) | Wheel hub motor driving device | |
| CN201872602U (en) | Wheel reduction electric wheel having drum brake | |
| CN210502248U (en) | Low-speed large-torque electric wheel device and electric vehicle | |
| CN201549972U (en) | Hub motor system and vehicle including same | |
| CN103434385A (en) | Hub motor driving device | |
| CN113561762A (en) | Integrated integrated hub motor driving device | |
| CN105751880A (en) | Direct-driving type driving device of electric vehicle | |
| CN102774240A (en) | Rear drive axle assembly | |
| CN105150827A (en) | Electric wheel-side drive system | |
| CN113752821A (en) | High-speed wheel-side motor driving system speed reducing mechanism based on composite planetary gear train | |
| CN201129428Y (en) | Differential transmission apparatus of electric vehicle | |
| CN108749556A (en) | A kind of wheel hub motor integrated system | |
| CN202448733U (en) | Low floor door type wheel-side motor rear bridge for electric motor coach | |
| CN204845388U (en) | Two motor drive bridge constructions | |
| CN103552466A (en) | Wheel-side driving system | |
| CN103375548A (en) | Automatic two-stage speed changing mechanism for electric vehicle | |
| CN207466352U (en) | A kind of electric vehicle and its Direct wheel drives mechanism | |
| CN216851530U (en) | Hub motor power assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120926 Effective date of abandoning: 20150114 |
|
| RGAV | Abandon patent right to avoid regrant |