CN203078306U - Rear axle drive reduction gear of electric car - Google Patents
Rear axle drive reduction gear of electric car Download PDFInfo
- Publication number
- CN203078306U CN203078306U CN201320072047XU CN201320072047U CN203078306U CN 203078306 U CN203078306 U CN 203078306U CN 201320072047X U CN201320072047X U CN 201320072047XU CN 201320072047 U CN201320072047 U CN 201320072047U CN 203078306 U CN203078306 U CN 203078306U
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- alternating current
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- axle
- current dynamo
- reducer shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a rear axle driving reduction gear of an electric car. The rear axle driving reduction gear comprises a reducer shell, wherein the reducer shell is provided with two supports, a differential case is supported on the two supports, a second driven gear is fixed on the differential case, a transmission shaft is arranged in the reducer shell, a first driven gear and a second driving gear are peripherally fixed on the transmission shaft, the second driving gear is engaged with the second driven gear, the reducer shell is provided with an end face which is provided with a concave cavity, the bottom of the concave cavity is provided with a shaft hole, one end of a stator core of an alternating current motor is connected with the end face while the other end of the stator core is connected with a rear end cover, the rear end cover, the stator core of the alternating current motor and the reducer shell are fixed by bolts, one end of a rotor spindle of the alternating current motor is supported at the rear end cover while the other end of the rotor spindle passes through the shaft hole to be supported on the reducer shell, the first driving gear is fixed on the rotor spindle of the alternating current motor, and the first driving gear is engaged with the first driven gear. The driving reduction gear provided by the utility model realizes stepless speed regulation, eliminates impact of shifting, and guarantees heat dissipation of the driving motor.
Description
Technical field
The utility model relates to battery-driven car back axle field, particularly relates to a kind of rear-axle drive speed reduction gearing of battery-driven car.
Background technology
The actuating device of existing battery-driven car is generally following two kinds: a kind ofly add two grades of speed-changing mechanisms for drive motor adds power-transfer clutch, this actuating device must be provided with clutch configuration, and transmission loss is bigger, system effectiveness is low, and complex structure needs periodic replacement zero clutch parts, the cost height; Though this actuating device has adopted two grades of speed changes, speed ratio differs bigger between two grades, impacts excessively in the shift process, and travelling comfort reduces.Another kind of actuating device is with many grades of speed-changing mechanisms of drive motor direct connection, though this actuating device can be realized many grades of speed changes, adopted common gear transmission but remain, this change-speed box is a step change, still exist certain speed ratio poor between two grades, exist in the shift process and impact, travelling comfort is low, and can not realize any output speed.
At present, the DC machine that the actuating device of battery-driven car all adopts, alternating current dynamo also of no use is as the record of driving motor of electric vehicle, there are wearing and tearing in the brush of DC machine and commufafor, therefore age limit is arranged, and the manufacturing cost of DC machine are also higher, noise is bigger, the DC machine of conventional power has armature loop, and rotating speed is lower, generally below 3000rpm.And the drive motor of above-mentioned two kinds of actuating devices, driving device respectively are one, drive motor must be connected by assembling with driving device, when the design battery-driven car, need consider the installation site and the footprint of drive motor, driving device respectively, cause battery-driven car single-piece comprehensive Design difficulty to increase, be unfavorable for the battery-driven car unit design.And the drive motor of existing battery-driven car all adopts enclosed electric machine, and motor needs independently fan heat radiation by the fully enclosed housings close, takies more space, consumes more electric energy.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, a kind of rear-axle drive speed reduction gearing of battery-driven car is provided, this rear-axle drive speed reduction gearing can cooperate frequency-variable controller control speed regualtion of AC motor, realize stepless time adjustment, eliminate the impact that exists in the shift process, travelling comfort, realize bigger output speed, stator core is directly exposed to rely on air flows to dispel the heat, independent radiator fan need be set, both improve the heat dissipation of drive motor, dwindled the volume of rear-axle drive speed reduction gearing again.
The purpose of this utility model is achieved in that
A kind of rear-axle drive speed reduction gearing of battery-driven car, comprise reducer shell, described reducer shell is provided with two bearings that are used to install diff, described diff is between two bearings, differential casing is supported in two bearings rotationally, second driven gear circumferentially is fixed on the differential casing, be provided with a transmission shaft in the reducer shell, the axis of this transmission shaft and the second driven gear parallel axes, circumferentially be fixed with first driven gear and second driving gear on the described transmission shaft, second driving gear and the engagement of second driven gear, described reducer shell one side is provided with the end face that is connected and fixed the alternating current dynamo stator core, this end face is provided with for Stator Windings of AC Motor, the local cavity that inserts of AC motor rotor, the bottom of described cavity is provided with the axis hole that the rotor shaft for alternating current dynamo passes, this end face of one end connection reducer housing of alternating current dynamo stator core, the other end of alternating current dynamo stator core connects rear side housing, described rear side housing, alternating current dynamo stator core and reducer shell are fixed by a plurality of bolt-throughs in the lump, rotor shaft one end of described alternating current dynamo is supported in rear side housing rotationally, the other end passes the axis hole of cavity bottom, and the first circumferentially fixing driving gear, described first driving gear and first driven gear mesh the gap oil sealing sealing between the rotor shaft of the axis hole of described cavity bottom and alternating current dynamo, described Stator Windings of AC Motor is three phase windings, and the pig-tail wire of three phase windings is stretched out rear side housing.
The inner chamber of described rear side housing is provided with tachogen, and this tachogen is between the rotor shaft and rear side housing of alternating current dynamo, and the pig-tail wire of tachogen is stretched out rear side housing.
Described first driving gear is provided with female splines, and the rotor shaft of alternating current dynamo is provided with male splines, and first driving gear is connected with the machine shaft spline.
One side of described reducer shell is provided with the axis hole of the rotor shaft that is used to install transmission shaft and alternating current dynamo, and the axis hole that the rotor shaft of transmission shaft and alternating current dynamo is installed is provided with roller bearing end cap.
Described diff comprises differential casing, semi-axle bevel gear, bevel planet gear, planet axis, the two ends of differential casing are provided with axle sleeve, the axle sleeve at differential casing two ends is supported in two bearings rotationally by bearing, semi-axle bevel gear of each free-running fit in the axle sleeve at differential casing two ends, described semi-axle bevel gear is provided with and is used for and the circumferentially fixing internal splined hole of semiaxis, the differential casing internal fixation has a planet axis perpendicular to semi-axle bevel gear, the a pair of symmetrical planetary wheel of axial restraint on this planet axis, two planetary wheels mesh with two semi-axle bevel gears respectively.
Be provided with thrust washer between the axle sleeve of described differential casing and the semi-axle bevel gear.
Described planet axis is bolted to connection on differential casing.
Be provided with spherical pad between described planetary wheel and the differential casing.
Owing to adopted such scheme, reducer shell one side of this rear-axle drive speed reduction gearing is provided with the end face that is connected and fixed the alternating current dynamo stator core, this end face is provided with for Stator Windings of AC Motor, the local cavity that inserts of AC motor rotor, the retarder and the drive motor of this rear-axle drive speed reduction gearing are combined as a whole, when the design battery-driven car, do not need to consider respectively the installation site and the footprint of drive motor, driving device, be beneficial to the battery-driven car design.Alternating current dynamo stator core one end is fixedly connected on the end face that is connected and fixed the alternating current dynamo stator core of reducer shell, the other end of alternating current dynamo stator core connects rear side housing, and alternating current dynamo stator core and reducer shell are fixed by a plurality of bolt-throughs in the lump.Because retarder and drive motor are combined as a whole, stator core is directly exposed outside, in the battery-driven car driving process, the heat that stator core produces is taken away by wind, has both improved heat dissipation, does not need to be provided with independently radiator fan again again, reduce taking of space, consumed electric energy still less.This rear-axle drive speed reduction gearing has adopted the alternating current dynamo of three phase windings as drive motor, and the alternating current dynamo of three phase windings is an asynchronous dynamo, and its drive ability is good, and can save various materials, cost is lower, and alternating current dynamo does not have brush and commufafor, longer service life, noise is lower.Cooperate external frequency-variable controller to realize stepless time adjustment, eliminate the impact that exists in the shift process, travelling comfort is realized bigger output speed.Structure is simple compact more, and low cost of manufacture realizes stepless time adjustment by frequency converter, to satisfy the motoring condition of friction speed, adapts to the requirement of travelling of different road conditions, increases the flying power of battery-driven car.
The inner chamber of rear side housing is provided with tachogen, can accurately measure rotating speed of motor, passes through the frequency-variable controller received signal for the driver, to handle.
This rear-axle drive speed reduction gearing cooperates frequency-variable controller control speed regualtion of AC motor by said structure, realize stepless time adjustment, eliminate the impact that exists in the shift process, travelling comfort realizes that bigger output speed, especially stator core are directly exposed outside, independent radiator fan need be set, both guaranteed the radiating effect of drive motor, and dwindled the volume of the rear-axle drive speed reduction gearing of whole battery-driven car again, manufacturing cost also is reduced.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view for Fig. 3.
In the accompanying drawing, 1 is reducer shell, and 1a is a bearing, 1b is the end face that is connected and fixed the alternating current dynamo stator core, and 2 is diff, and 3 is second driven gear, 4 is transmission shaft, and 5 is first driven gear, and 6 is second driving gear, 7 is cavity, and 8 is axis hole, and 9 is Stator Windings of AC Motor, 10 is AC motor rotor, and 10a is a rotor shaft, and 11 is the alternating current dynamo stator core, 12 is rear side housing, and 13 is bolt, and 14 is oil sealing, 15 is first driving gear, and 16 is tachogen, and 17 is roller bearing end cap, 21 is differential casing, and 211 is axle sleeve, and 22 is semi-axle bevel gear, 23 is bevel planet gear, 24 is planet axis, and 25 is thrust washer, and 26 is spherical pad.
The specific embodiment
Referring to Fig. 1～Fig. 4, a kind of embodiment for the rear-axle drive speed reduction gearing of battery-driven car, comprise reducer shell 1, described reducer shell 1 is provided with two bearing 1a that are used to install diff 2, base rear end is provided with and is used for the flange of captiveing joint with back axle, two bearings and the moulding of reducer shell integrally casting.Two bearing symmetries are positioned at the left and right sides of reducer shell one end, and described diff 2 is between two bearing 1a, and diff 2 housings are supported in two bearing 1a rotationally.
Described reducer shell has the cavity that retarder is installed, second driven gear 3 circumferentially is fixed on diff 2 housings, second driven gear can bolt, riveted and fixed or is weldingly fixed on the differential casing, in the present embodiment, second driven gear and reducer shell bolt are so that safeguard and replacing.Be provided with a transmission shaft 4 in the reducer shell 1, the axis of this transmission shaft 4 and second driven gear, 3 parallel axes, the two ends of transmission shaft are supported in reducer shell rotationally by bearing.Because the main bearing radial force of transmission shaft, the bearing at transmission shaft two ends is selected deep groove ball bearing for use, and cost is more cheap.Circumferentially be fixed with first driven gear 5 and second driving gear 6 on the described transmission shaft 4, second driving gear 6 and 3 engagements of second driven gear, the middle part of transmission shaft is provided with outer spline section, first driven gear and second driving gear are provided with female splines, and first driven gear, second driving gear are connected with splined driveshaft.One side of described reducer shell is provided with the axis hole of the rotor shaft that is used to install transmission shaft and alternating current dynamo, so that insert the rotor shaft of transmission shaft and alternating current dynamo, can also conveniently inject lubricating oil.The axis hole that the rotor shaft 10a of transmission shaft 4 and alternating current dynamo is installed is provided with roller bearing end cap 17, stops foreign matter such as dust to invade the raceway of rolling body, can also guarantee that lubricant only works to rolling body and raceway and do not overflow.Described roller bearing end cap is the caulking gum lid, and assembling and anti-foreign matter effect all are better than the steel roller bearing end cap, and be also durable than steel roller bearing end cap, good sealing effect, and noise is low, and is difficult for stuck.
Described reducer shell 1 one sides are provided with the end face 1b that is connected and fixed alternating current dynamo stator core 11, the described rectangle end face that is connected and fixed the end face of alternating current dynamo stator core for the band centre hole, and four angles of this end face are equipped with and are used for the bonded assembly mounting hole.This end face is provided with for Stator Windings of AC Motor 9, the AC motor rotor 10 local cavitys 7 that insert, and the base plate of described cavity is used to separate motor and retarder.Described Stator Windings of AC Motor is three phase windings, and three phase windings can improve motor performance, exports bigger power, and brush is not set, and is more durable.The pig-tail wire of Stator Windings of AC Motor is stretched out rear side housing.The bottom of described cavity 7 is provided with the axis hole 8 that the rotor shaft 10a for alternating current dynamo passes, described alternating current dynamo stator core 11 1 ends are fixedly connected on the end face 1b that is connected and fixed alternating current dynamo stator core 11 of reducer shell 1, the other end of alternating current dynamo stator core 11 connects rear side housing 12, the outer peripheral face of described alternating current dynamo stator core is a rectangle, and four angles of alternating current dynamo stator core are equipped with and are used for the axial mounting hole of bonded assembly.The end face of rear side housing is the rectangle end face of band centre hole, and four angles of this end face are equipped with and are used for the bonded assembly mounting hole.Described rear side housing 12, alternating current dynamo stator core 11 and reducer shell 1 run through fixing by a plurality of bolts 13 in the lump, in the present embodiment, state rear side housing, alternating current dynamo stator core and reducer shell and captive joint by four overbolts.Rotor shaft 10a one end of described alternating current dynamo is supported in rear side housing 12 rotationally, the other end passes the axis hole 8 of cavity 7 bottoms, be supported in reducer shell 1 rotationally, described rear side housing is provided with the flange of the rotor shaft that is used to support alternating current dynamo, is provided with bearing between the rotor shaft of alternating current dynamo and the flange of rear side housing.Because the main bearing radial force of rotor shaft of alternating current dynamo, the bearing at the rotor shaft two ends of alternating current dynamo is selected deep groove ball bearing for use, and cost is more cheap.Gap between the axis hole 8 of described cavity 7 bottoms and the rotor shaft 10a of alternating current dynamo enters and damages alternating current dynamo with oil sealing 14 sealings to prevent the lubricant in the retarder.The inner chamber of described rear side housing is provided with tachogen 16, and this tachogen 16 is fixed on the rear side housing between the rotor shaft and rear side housing of alternating current dynamo.The pig-tail wire of tachogen 16 is stretched out rear side housing.With accurate measurement rotating speed of motor, pass through the frequency-variable controller received signal for the driver, to handle.Circumferentially fix first driving gear 15 on the rotor shaft 10a of described alternating current dynamo, described first driving gear 15 and 5 engagements of first driven gear.Described first driving gear is provided with female splines, and the rotor shaft of alternating current dynamo is provided with male splines, and first driving gear is connected with the machine shaft spline.
Described diff comprises differential casing 21, semi-axle bevel gear 22, bevel planet gear 23, planet axis 24, and the two ends of differential casing 21 are provided with axle sleeve 211, described differential casing and the moulding of axle sleeve integrally casting.The axle sleeve 211 at differential casing 21 two ends is supported in two bearings rotationally by bearing, because the main bearing radial force of axle sleeve of differential casing, the bearing of differential casing two ends axle sleeve is selected deep groove ball bearing for use, and cost is more cheap.Semi-axle bevel gear 22 of each free-running fit in the axle sleeve 211 at differential casing 21 two ends, the motion of axle sleeve and semi-axle bevel gear does not interfere.Described semi-axle bevel gear 22 is provided with and is used for and the circumferentially fixing internal splined hole of semiaxis, thereby the power of motor is sent to back axle.Be provided with thrust washer 25 between the axle sleeve 211 of described differential casing 21 and the semi-axle bevel gear 22, described thrust washer is axially fixed at the rotating shaft end of semi-axle bevel gear, prevents the aft end face contact axle sleeve of semi-axle bevel gear, friction takes place cause wearing and tearing.Differential casing 21 internal fixation have a planet axis 24 perpendicular to semi-axle bevel gear 22, and in the mounting hole that the two ends insertion differential casing side face of planet axis is provided with, described planet axis 24 is bolted to connection on differential casing 21.The a pair of symmetrical planetary wheel of axial restraint on this planet axis 24, planet axis are provided with and are used for the planetary annular groove of axial restraint, and two planetary wheels mesh with two semi-axle bevel gears 22 respectively.Be provided with spherical pad 26 between described planetary wheel and the differential casing 21.Described spherical pad is axially fixed in planetary rear end, prevents planetary wheel contact differential casing, friction takes place cause wearing and tearing.
The flange and the axle housing bolt of back axle that this rear-axle drive speed reduction gearing is provided with by the base rear end that diff is installed are exported Formation of Axle Shaft Spline for two of the semi-axle bevel gear of diff and back axle and are connected, thereby the power of motor is sent to back axle.The motor of this rear-axle drive speed reduction gearing is electrically connected with frequency-variable controller, uses frequency-variable controller as speed regulation device, realizes stepless time adjustment, realizes any output speed.Frequency-variable controller is electrically connected with the 60v dc battery jar, and the direct current (DC) of storage battery output is converted to alternating current by frequency-variable controller, uses for alternating current dynamo.In the present embodiment, select the alternating current dynamo power of 3kw for use, use frequency converter to realize the horsepower output of 0～12kw.Tachogen is accurately measured rotating speed of motor, passes through the frequency-variable controller received signal for the driver, to handle.In the battery-driven car operational process, because retarder and drive motor are combined as a whole, stator core is directly exposed outside, and in the battery-driven car driving process, the heat that stator core produces is taken away by wind, and radiating effect is greatly improved, and obtains service life prolonging.
The utility model not only is confined to the foregoing description, carries out the technical scheme of a little change under the situation that does not deviate from the technical solutions of the utility model spirit, should fall into protection domain of the present utility model.
Claims (8)
1. the rear-axle drive speed reduction gearing of a battery-driven car, comprise reducer shell, described reducer shell is provided with two bearings that are used to install diff, described diff is between two bearings, differential casing is supported in two bearings rotationally, second driven gear circumferentially is fixed on the differential casing, be provided with a transmission shaft in the reducer shell, the axis of this transmission shaft and the second driven gear parallel axes, circumferentially be fixed with first driven gear and second driving gear on the described transmission shaft, second driving gear and the engagement of second driven gear, it is characterized in that: described reducer shell one side is provided with the end face that is connected and fixed the alternating current dynamo stator core, this end face is provided with for Stator Windings of AC Motor, the local cavity that inserts of AC motor rotor, the bottom of described cavity is provided with the axis hole that the rotor shaft for alternating current dynamo passes, this end face of one end connection reducer housing of alternating current dynamo stator core, the other end of alternating current dynamo stator core connects rear side housing, described rear side housing, alternating current dynamo stator core and reducer shell are fixed by a plurality of bolt-throughs in the lump, rotor shaft one end of described alternating current dynamo is supported in rear side housing rotationally, the other end passes the axis hole of cavity bottom, and the first circumferentially fixing driving gear, described first driving gear and first driven gear mesh the gap oil sealing sealing between the rotor shaft of the axis hole of described cavity bottom and alternating current dynamo, described Stator Windings of AC Motor is three phase windings, and the pig-tail wire of three phase windings is stretched out rear side housing.
2. the rear-axle drive speed reduction gearing of battery-driven car according to claim 1, it is characterized in that: the inner chamber of described rear side housing is provided with tachogen, this tachogen is between the rotor shaft and rear side housing of alternating current dynamo, and the pig-tail wire of tachogen is stretched out rear side housing.
3. the rear-axle drive speed reduction gearing of battery-driven car according to claim 1, it is characterized in that: described first driving gear is provided with female splines, and the rotor shaft of alternating current dynamo is provided with male splines, and first driving gear is connected with the machine shaft spline.
4. the rear-axle drive speed reduction gearing of battery-driven car according to claim 1, it is characterized in that: a side of described reducer shell is provided with the axis hole of the rotor shaft that is used to install transmission shaft and alternating current dynamo, and the axis hole that the rotor shaft of transmission shaft and alternating current dynamo is installed is provided with roller bearing end cap.
5. the rear-axle drive speed reduction gearing of battery-driven car according to claim 1, it is characterized in that: described diff comprises differential casing, semi-axle bevel gear, bevel planet gear, planet axis, the two ends of differential casing are provided with axle sleeve, the axle sleeve at differential casing two ends is supported in two bearings rotationally by bearing, semi-axle bevel gear of each free-running fit in the axle sleeve at differential casing two ends, described semi-axle bevel gear is provided with and is used for and the circumferentially fixing internal splined hole of semiaxis, the differential casing internal fixation has a planet axis perpendicular to semi-axle bevel gear, the a pair of symmetrical planetary wheel of axial restraint on this planet axis, two planetary wheels mesh with two semi-axle bevel gears respectively.
6. the rear-axle drive speed reduction gearing of battery-driven car according to claim 5 is characterized in that: be provided with thrust washer between the axle sleeve of described differential casing and the semi-axle bevel gear.
7. the rear-axle drive speed reduction gearing of battery-driven car according to claim 5, it is characterized in that: described planet axis is bolted to connection on differential casing.
8. the rear-axle drive speed reduction gearing of battery-driven car according to claim 5 is characterized in that: be provided with spherical pad between described planetary wheel and the differential casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320072047XU CN203078306U (en) | 2013-02-08 | 2013-02-08 | Rear axle drive reduction gear of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320072047XU CN203078306U (en) | 2013-02-08 | 2013-02-08 | Rear axle drive reduction gear of electric car |
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| CN203078306U true CN203078306U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320072047XU Expired - Fee Related CN203078306U (en) | 2013-02-08 | 2013-02-08 | Rear axle drive reduction gear of electric car |
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| CN (1) | CN203078306U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072476A (en) * | 2013-02-08 | 2013-05-01 | 重庆动霸机械制造有限公司 | Rear axle electrodynamic force drive device of electric vehicle |
| CN106808989A (en) * | 2017-03-03 | 2017-06-09 | 中国第汽车股份有限公司 | A kind of pure electric vehicle double-motor driving device |
| CN107070175A (en) * | 2017-04-28 | 2017-08-18 | 安徽理工大学 | A kind of adjustable speed motor for underground coal mine |
| CN108674323A (en) * | 2018-06-02 | 2018-10-19 | 汽解放汽车有限公司 | A kind of sensor of speed odometer for vehicle installation assembly for motor driving double speed vehicle bridge |
| US10886818B2 (en) | 2016-09-09 | 2021-01-05 | Jing-Jin Electric Technologies Co., Ltd. | Input shaft structure having connected motor and speed reducer |
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成***(上海)有限公司 | Electric drive assembly system and vehicle |
| CN112389194A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Integrated axle assembly and vehicle |
| WO2021042426A1 (en) * | 2019-09-03 | 2021-03-11 | 精进电动科技股份有限公司 | Electric drive assembly of dry differential and new energy automobile |
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2013
- 2013-02-08 CN CN201320072047XU patent/CN203078306U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072476A (en) * | 2013-02-08 | 2013-05-01 | 重庆动霸机械制造有限公司 | Rear axle electrodynamic force drive device of electric vehicle |
| CN103072476B (en) * | 2013-02-08 | 2015-09-30 | 重庆动霸机械制造有限公司 | The back axle Electronmotive Force actuating device of battery-driven car |
| US10886818B2 (en) | 2016-09-09 | 2021-01-05 | Jing-Jin Electric Technologies Co., Ltd. | Input shaft structure having connected motor and speed reducer |
| CN106808989A (en) * | 2017-03-03 | 2017-06-09 | 中国第汽车股份有限公司 | A kind of pure electric vehicle double-motor driving device |
| CN107070175A (en) * | 2017-04-28 | 2017-08-18 | 安徽理工大学 | A kind of adjustable speed motor for underground coal mine |
| CN108674323A (en) * | 2018-06-02 | 2018-10-19 | 汽解放汽车有限公司 | A kind of sensor of speed odometer for vehicle installation assembly for motor driving double speed vehicle bridge |
| CN108674323B (en) * | 2018-06-02 | 2023-12-19 | 一汽解放汽车有限公司 | Speedometer sensor mounting assembly for motor-driven double-speed axle |
| CN112389194A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Integrated axle assembly and vehicle |
| CN112389194B (en) * | 2019-08-19 | 2023-01-06 | 比亚迪股份有限公司 | Integrated axle assembly and vehicle |
| WO2021042426A1 (en) * | 2019-09-03 | 2021-03-11 | 精进电动科技股份有限公司 | Electric drive assembly of dry differential and new energy automobile |
| US20220268348A1 (en) * | 2019-09-03 | 2022-08-25 | Jing-Jin Electric Technologies Co., Ltd. | Electric drive assembly of dry differential and new energy automobile |
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成***(上海)有限公司 | Electric drive assembly system and vehicle |
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