CN105034789A - Dual-rotor electric drive axle - Google Patents
Dual-rotor electric drive axle Download PDFInfo
- Publication number
- CN105034789A CN105034789A CN201510561933.2A CN201510561933A CN105034789A CN 105034789 A CN105034789 A CN 105034789A CN 201510561933 A CN201510561933 A CN 201510561933A CN 105034789 A CN105034789 A CN 105034789A
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- output shaft
- rotor
- drive motor
- drive axle
- birotor
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Abstract
The invention relates to a dual-rotor electric drive axle. The dual-rotor electric drive axle comprises a dual-rotor drive motor, a left wheel driving mechanism and a right wheel driving mechanism, wherein the left wheel driving mechanism and the right wheel driving mechanism are symmetrically arranged on the left side and the right side of the dual-rotor drive motor. The left wheel driving mechanism comprises a left planetary reduction gear, a left C-shaped support device, a left hub brake assembly, a left braking air chamber and a left braking adjusting arm which are arranged in sequence, wherein the left braking air chamber and the left braking adjusting arm are arranged above the left C-shaped support device. The right wheel driving mechanism comprises a right planetary reduction gear, a right C-shaped support device, a right hub brake assembly, a right braking air chamber and a right braking adjusting arm which are arranged in sequence, wherein the right braking air chamber and the right braking adjusting arm are arranged above the right C-shaped support device. The drive axle can overcome the defects of a pure electric vehicle in the driving process, and has the advantages of being simple in structure, reliable in performance, good in heat dissipating performance, low in cost and the like.
Description
Technical field
The present invention relates to electrobus technical field, be specifically related to a kind of dual rotor motor drive axle.
Background technology
At present, the drive form of domestic pure electric vehicle has following two kinds: one, adopt transmission shaft to connect the type of belt drive of drive axle, now, drive motor needs to be flexibly connected to floor underframe for vehicle, transmission shaft will have sufficient length to meet transmission intensity, swing up and down flexible and universal connection, takes up room large; Two, adopt the type of belt drive of electric drive axle, at the left and right wheel hub place of electric drive axle, respectively arrange a drive motor, drive left and right wheel hub to rotate respectively, there is the deficiencies such as poor, the expensive and inconvenient maintenance of complex structure, motor radiating.
Summary of the invention
The object of the present invention is to provide a kind of dual rotor motor drive axle, this drive axle can eliminate the deficiency existed in existing pure electric vehicle driving process, has the features such as structure is simple, dependable performance, thermal diffusivity are good, cost is low.
For achieving the above object, present invention employs following technical scheme:
A kind of dual rotor motor drive axle, comprises birotor drive motor and is symmetricly set on the revolver driver train of the birotor drive motor left and right sides and right actuation; Described revolver driver train comprises left planetary reducer, left C-shaped holder device, left wheel hub brake assembly and the left compressed air brake cylinder be arranged on above left C-shaped holder device and left braking adjusting arm that set gradually; Described right actuation comprises right planetary reducer, right C-shaped holder device, right hub brake assembly and the right compressed air brake cylinder be arranged on above right C-shaped holder device and right braking adjusting arm that set gradually.
Described birotor drive motor comprises stator, is arranged on the cable of stator end, embed the left rotor being arranged on two ends, stator interior left and right and son of turning right, run through be arranged on left output shaft in the middle of left rotor, be set in left engaging gear outside left output shaft the inner, run through be arranged on sub middle right output shaft of turning right, be set in the right engaging gear outside right output shaft the inner and be meshed with left engaging gear engage separation device; Described stator, left rotor and right-hand rotation are arranged with one heart.
Further, described left planetary reducer is identical with the structure of right planetary reducer, includes gear ring, sun wheel, several satellite gears, compensating-gear shaft and pinion carrier.The deceleration increasing that act as of left planetary reducer and right planetary reducer is turned round.
Further, described birotor drive motor also comprises casing and the left Coolant gallery that is arranged on casing and right Coolant gallery.
Further, described engagement separation device comprises engaging sleeve, is connected to shift fork outside engaging sleeve, runs through the disengaging shaft being arranged on shift fork end and the rotation swing arm be connected with disengaging shaft end.
Further, left output shaft axle sleeve is arranged with outside described left output shaft; Described left engaging gear is connected with left output shaft axle sleeve.
From above technical scheme, the present invention can the birotor drive motor of independent outputting power by arranging two ends, by the left and right rotor outputting power of this birotor drive motor, through left and right planetary reducer, left and right hub brake assembly is delivered to again respectively by semiaxis, and then be with the left and right wheel hub of motor vehicle to rotate respectively, realize straight and the steering situation of vehicle.In sum, the present invention can eliminate the deficiency existed in existing pure electric vehicle driving process, has the features such as structure is simple, dependable performance, thermal diffusivity are good, cost is low.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is lateral plan of the present invention;
Fig. 3 is lateral plan of the present invention;
Fig. 4 is the structural representation of birotor drive motor;
Fig. 5 is the birds-eye view of birotor drive motor;
Fig. 6 is the front view of C shape holder device;
Fig. 7 is the birds-eye view of C shape holder device.
Wherein:
1, birotor drive motor, 2, left planetary reducer, 3, right planetary reducer, 4, engagement separation device, 5, left wheel hub brake assembly, 6, right hub brake assembly, 7, semiaxis, 8, left C-shaped holder device, 9, right C-shaped holder device, 10, V-type thrust pole seat, 11, thrust pole seat, 12, compressed air brake cylinder, 13, braking adjusting arm, 14, mounting bracket of shock absorber, 15, capsule adapter plate, 16, U-shaped support, 17, compressed air brake cylinder mounting bracket, 18, camshaft mounting bracket, 101, stator, 102, left rotor, 103, turn right sub, 104, cable, 105, right output shaft, 106, right engaging gear, 107, engaging sleeve, 108, left output shaft, 109, left engaging gear, 110, left output shaft axle sleeve, 111, shift fork, 112, rotate swing arm, 113, disengaging shaft, 114, left Coolant gallery, 115, right Coolant gallery.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
A kind of dual rotor motor drive axle as shown in Figure 1-Figure 3, comprises drive axle pedestal, birotor drive motor 1 and is symmetricly set on the revolver driver train of the birotor drive motor left and right sides and right actuation.Described revolver driver train comprises left planetary reducer 2, left C-shaped holder device 8, left wheel hub brake assembly 5 and the compressed air brake cylinder 12 be arranged on above left C-shaped holder device 8 and braking adjusting arm 13 that set gradually.Described right actuation comprises right planetary reducer 3, right C-shaped holder device 9, right hub brake assembly 6 and the compressed air brake cylinder 12 be arranged on above right C-shaped holder device 9 and braking adjusting arm 13 that set gradually.The two ends rotor output male splined shaft of birotor drive motor 1 engages joint transmission with the sun gear female splines of left planetary reducer 2, right planetary reducer 3 respectively.And the external toothing mouth female splines of left planetary reducer 2, right planetary reducer 3 engages joint transmission with semiaxis 7 male splines of left wheel hub brake assembly 5, right hub brake assembly 6 respectively.Semiaxis 7 and left wheel hub brake assembly 5, the hub of right hub brake assembly 6, drum bolt are fastenedly connected, and drive hub, brake wheel to rotate.The two ends end cap of planetary reducer shell and drive motor 1 is an entirety, is connected on drive motor 1 with bolt.The hollow shaft head of hub brake assembly 6 and the two ends end cap of planetary reducer are an entirety, are connected on planetary reducer with bolt.
Described left planetary reducer 2 is identical with the structure of right planetary reducer 3, includes gear ring, sun wheel, several satellite gears, compensating-gear shaft and pinion carrier.The deceleration increasing that act as of left planetary reducer and right planetary reducer is turned round.Described left and right planetary reducer to be connected with left and right hub brake assembly respectively by semiaxis 7 and to coordinate.
Described left C-shaped holder device and right C-shaped holder device are arranged on drive axle pedestal respectively by 12 king bolt nuts.Left C-shaped holder device and right C-shaped holder device being separately installed with compressed air brake cylinder 12, braking adjusting arm 13, hanging the thrust pole seat 11 of lower thrust rod, suspension damper and suspension air bag for installing.Compressed air brake cylinder, braking adjusting arm and hub brake assembly form brake system.C shape holder device is made up of C shape stent support beam assembly and splayed shoulder pole girder assembly, is, by 6 bolts, C shape stent support beam assembly and splayed shoulder pole girder assembly are connected into entirety.C shape stent support beam assembly is formed by machinework after rectangular tube and the organic welding of functional support, on it, there are airbag for air suspension adapter plate 15 and mounting bracket of shock absorber 14 in both sides, there is the thrust pole seat 11 of Pneumatic Suspension lower thrust rod centre, installs the U-shaped support 16 of splayed shoulder pole girder assembly, and brake assembly seat support is installed, its structure is simple and firm.
As shown in Figure 4 and Figure 5, described birotor drive motor comprise stator 101, be arranged on the cable 104 of stator 101 end, embed the left rotor 102 being arranged on two ends, stator 101 inner left and right and son 103 of turning right, run through be arranged on left output shaft 108 in the middle of left rotor 102, the left engaging gear 109 that is set in the inner outside of left output shaft 108, run through be arranged on right output shaft 105 in the middle of son 103 of turning right, be set in the right engaging gear 106 outside right output shaft 105 the inner and be meshed with left engaging gear 109 engage separation device.Described stator 101, left rotor 102 and son 103 of turning right are arranged with one heart.After cable 104 is energized, electric energy conversion can be mechanical energy by the present invention, exports respectively by left output shaft 108 and right output shaft 105.Drive motor ECU module carries out vector controlled by the received current of control cables or magnetic field vector controls, and then controls the torque and rotational speed of drive motor two mouths, realizes drive motor left rotor and turn right sub constant speed and differential operating mode.When after cable energising, stator drives left rotor and right rotor turns.When not having left output shaft axle sleeve outside left output shaft, left rotor, left output shaft and left engaging gear integrally together rotate.When being provided with left output shaft axle sleeve outside left output shaft, left rotor, left output shaft axle sleeve and left engaging gear integrally together rotate.Under normal circumstances, engaging sleeve engages with left engaging gear, and rotates with left rotor.Right-hand rotation, right output shaft and right engaging gear integrally together rotate.The present invention is by arranging the Power output source of birotor drive motor as dual rotor motor drive axle, by the two ends, left and right of the stator interior at birotor drive motor, left rotor, right-hand rotation are set respectively, and the left output shaft and left engaging gear, the right output shaft matched with son of turning right and right engaging gear that match with left rotor are set, under the effect that can control in the vector controlled of cable current or magnetic field vector, realize left rotor to rotate with the independence of son of turning right, thus realize straight and the steering situation of vehicle.
Described engagement separation device 4 comprises engaging sleeve 107, be connected to shift fork 111 outside engaging sleeve 107, run through the disengaging shaft 113 being arranged on shift fork 111 end and the rotation swing arm 112 be connected with disengaging shaft 113 end.The present invention is by arranging engagement separation device, the function of the differential locking-device of drive axle can be realized, specifically, when the rotation swing arm of this engagement separation device is not by External Force Acting, engaging sleeve is only meshed with left engaging gear, engaging sleeve together rotates with left engaging gear, and left output shaft and right output shaft independently rotate.When the move under influence of the rotation swing arm power outside of this engagement separation device, rotate swing arm driving disengaging shaft to rotate, disengaging shaft drives shift fork to swing, and then engaging sleeve is meshed with left engaging gear, right engaging gear simultaneously, left output shaft and right output shaft integrally, rotate to identical direction with identical rotating speed.When drive motor needs side outputting power, under the effect of external force, rotating swing arm 112 drives shift fork 111 to swing by disengaging shaft 113, engaging sleeve 107 is moved right, the left end of engaging sleeve 107 is now meshed with left engaging gear 109, and the right-hand member of engaging sleeve 107 is meshed with right engaging gear 106, thus makes left and right rotor intercouple together, realize the side Power output of drive motor, opposite side dallies.
Described birotor drive motor 1 also comprises casing and is arranged on left Coolant gallery on casing 114 and right Coolant gallery 115.The present invention, by arranging left Coolant gallery and right Coolant gallery on casing, is conducive to the Quick diffusing of drive motor internal heat.Preferably, left output shaft axle sleeve is arranged with outside described left output shaft; Described left engaging gear is connected with left output shaft axle sleeve.The top of described birotor drive motor 1 is provided with V-type thrust pole seat, for installing suspension upper thrust rod.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (5)
1. a dual rotor motor drive axle, is characterized in that: comprise birotor drive motor and be symmetricly set on the revolver driver train of the birotor drive motor left and right sides and right actuation; Described revolver driver train comprises left planetary reducer, left C-shaped holder device, left wheel hub brake assembly and the left compressed air brake cylinder be arranged on above left C-shaped holder device and left braking adjusting arm that set gradually; Described right actuation comprises right planetary reducer, right C-shaped holder device, right hub brake assembly and the right compressed air brake cylinder be arranged on above right C-shaped holder device and right braking adjusting arm that set gradually;
Described birotor drive motor comprises stator, is arranged on the cable of stator end, embed the left rotor being arranged on two ends, stator interior left and right and son of turning right, run through be arranged on left output shaft in the middle of left rotor, be set in left engaging gear outside left output shaft the inner, run through be arranged on sub middle right output shaft of turning right, be set in the right engaging gear outside right output shaft the inner and be meshed with left engaging gear engage separation device; Described stator, left rotor and right-hand rotation are arranged with one heart.
2. a kind of birotor drive axle according to claim 1, is characterized in that: described left planetary reducer is identical with the structure of right planetary reducer, includes gear ring, sun wheel, several satellite gears, compensating-gear shaft and pinion carrier.
3. a kind of birotor drive axle according to claim 1, is characterized in that: described birotor drive motor also comprises casing and the left Coolant gallery that is arranged on casing and right Coolant gallery.
4. a kind of birotor drive axle according to claim 1, is characterized in that: described engagement separation device comprises engaging sleeve, be connected to shift fork outside engaging sleeve, run through the disengaging shaft being arranged on shift fork end and the rotation swing arm be connected with disengaging shaft end.
5. a kind of birotor drive axle according to claim 1, is characterized in that: be arranged with left output shaft axle sleeve outside described left output shaft; Described left engaging gear is connected with left output shaft axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561933.2A CN105034789B (en) | 2015-09-07 | 2015-09-07 | A kind of dual rotor motor drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561933.2A CN105034789B (en) | 2015-09-07 | 2015-09-07 | A kind of dual rotor motor drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105034789A true CN105034789A (en) | 2015-11-11 |
| CN105034789B CN105034789B (en) | 2017-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510561933.2A Active CN105034789B (en) | 2015-09-07 | 2015-09-07 | A kind of dual rotor motor drive axle |
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| Country | Link |
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| CN (1) | CN105034789B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD869348S1 (en) | 2016-06-06 | 2019-12-10 | Allison Transmission, Inc. | Gearbox assembly for an axle |
| USD883864S1 (en) | 2018-05-10 | 2020-05-12 | Allison Transmission, Inc. | Axle assembly |
| CN112172537A (en) * | 2019-07-01 | 2021-01-05 | 丰耒（上海）智能科技有限公司 | Pure electric vehicle drive control system and method |
| US11247556B2 (en) | 2015-12-17 | 2022-02-15 | Allison Transmission, Inc. | Axle assembly for a vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003032472A1 (en) * | 2001-10-10 | 2003-04-17 | Stature Electric Inc. | Apparatus and method for a dual drive axle |
| CN203172357U (en) * | 2013-04-23 | 2013-09-04 | 安徽安凯汽车股份有限公司 | Motor driving axle assembly for new energy automobile |
| CN103935232A (en) * | 2014-04-23 | 2014-07-23 | 江苏大学 | Electric wheel based on birotor motor and control method thereof |
| CN104228564A (en) * | 2013-06-13 | 2014-12-24 | 杨皓捷 | Coaxial integrated finite differential type rear axle for motor of electric vehicle |
| CN104442370A (en) * | 2014-11-24 | 2015-03-25 | 江苏大学 | Electric drive axle system |
| CN205044513U (en) * | 2015-09-07 | 2016-02-24 | 安徽安凯汽车股份有限公司 | Birotor motor drive bridge |
-
2015
- 2015-09-07 CN CN201510561933.2A patent/CN105034789B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003032472A1 (en) * | 2001-10-10 | 2003-04-17 | Stature Electric Inc. | Apparatus and method for a dual drive axle |
| CN203172357U (en) * | 2013-04-23 | 2013-09-04 | 安徽安凯汽车股份有限公司 | Motor driving axle assembly for new energy automobile |
| CN104228564A (en) * | 2013-06-13 | 2014-12-24 | 杨皓捷 | Coaxial integrated finite differential type rear axle for motor of electric vehicle |
| CN103935232A (en) * | 2014-04-23 | 2014-07-23 | 江苏大学 | Electric wheel based on birotor motor and control method thereof |
| CN104442370A (en) * | 2014-11-24 | 2015-03-25 | 江苏大学 | Electric drive axle system |
| CN205044513U (en) * | 2015-09-07 | 2016-02-24 | 安徽安凯汽车股份有限公司 | Birotor motor drive bridge |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11247556B2 (en) | 2015-12-17 | 2022-02-15 | Allison Transmission, Inc. | Axle assembly for a vehicle |
| US11951828B2 (en) | 2015-12-17 | 2024-04-09 | Allison Transmission, Inc. | Axle assembly for a vehicle |
| USD869348S1 (en) | 2016-06-06 | 2019-12-10 | Allison Transmission, Inc. | Gearbox assembly for an axle |
| USD883864S1 (en) | 2018-05-10 | 2020-05-12 | Allison Transmission, Inc. | Axle assembly |
| CN112172537A (en) * | 2019-07-01 | 2021-01-05 | 丰耒（上海）智能科技有限公司 | Pure electric vehicle drive control system and method |
| CN112172537B (en) * | 2019-07-01 | 2022-05-24 | 丰耒（上海）智能科技有限公司 | Pure electric vehicle drive control system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105034789B (en) | 2017-09-22 |
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