CN100515816C - Different velocity motor drive system for electric car - Google Patents
Different velocity motor drive system for electric car Download PDFInfo
- Publication number
- CN100515816C CN100515816C CNB200710014164XA CN200710014164A CN100515816C CN 100515816 C CN100515816 C CN 100515816C CN B200710014164X A CNB200710014164X A CN B200710014164XA CN 200710014164 A CN200710014164 A CN 200710014164A CN 100515816 C CN100515816 C CN 100515816C
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- Prior art keywords
- motor
- rear axle
- axle shaft
- electric car
- drive system
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- 238000007789 sealing Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 239000012208 gear oil Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The present invention relates to one kind of rear axle driving differential speed motor system for trolley, and belongs to the field of trolley chassis drive set technology. The rear axle driving differential speed motor system features that the differential speed motor and the rear axle are combined integrally. The motor side caps are connected to the rear axle half axle hermetically, and the motor rotor, the planetary gear, the rear axle half axle gear and the rear axle half axle are connected successively to output power to the wheels. The rear axle driving differential speed motor system for trolley has simple structure, no noise, integration of motor rear axle chassis and reduced resistance.
Description
One, technical field:
The present invention relates to a kind of Electric differential speed motor rear-axle drive system, belong to electric car chassis driving device technical field.
Two, background technology:
The different velocity motor drive system of domestic each metropolitan electric bus and electrocar use at present mostly is: single-wheel transmission, transmission shaft transmission, back axle rotate, its complex structure, and it is many particularly to exist resistance under steam, noise is big, consumption of current is bigger, cost height, deficiencies such as maintenance complexity.
Three, summary of the invention:
It is integrated to the object of the present invention is to provide a kind of differential speed motor and back axle to realize, electric car chassis resistance in transmission is reduced, and can improve the electric car speed of a motor vehicle, reduce noise, the different velocity motor drive system for electric car of simple in structure, easy operating.
Technical scheme of the present invention is achieved as follows:
Different velocity motor drive system for electric car, it is characterized in that: differential speed motor and electric car back axle are one, motor side cover 9 by the motor two ends is tightly connected with rear axle shaft 8, connects outputting power in regular turn to wheel by rotor 2, planetary wheel 4, rear axle shaft gear 6, rear axle shaft 8;
Overlap the planetary wheel 4 that is equipped with motor stator 1, rotor 2, socket compensating-gear shaft 3, planetary wheel 4 and 6 meshing connections of rear axle shaft gear in the housing 12 of described motor in regular turn;
Described motor side cover 9 is tightly connected with rear axle shaft 8, is that the motor side cover 9 by the motor two ends is connected with electric machine casing 12, and motor side cover 9 interior socket rear axle shafts 8 are arranged with rear-axle tube 14 between motor side cover 9 and the rear axle shaft 8;
Described motor side cover 9 is connected with brake disc 11, and rear axle shaft 8 exterior rear-axle tubes 14 outer ends are provided with oil sealing 13 and are connected with brake disc 11, rear-axle tube 14 sealings;
The inner of described rear axle shaft 8 is inserted in the rotor 2 and is connected with rear axle shaft gear 6, the inner outer cover of rear axle shaft 8 is connected to motor shaft 17, motor shaft 17 outer socket motor bearingss 7, motor shaft 17 is connected by 10 sealings of rear axle shaft oil sealing with the junction of rear-axle tube 14 the inners, and rear axle shaft oil sealing 10 is used to block rotor inner gear oil and leaks outside;
Adopt DC speed difference motor, can connect brush 5, also available brushless magneto-electric machine by rotor 2; Can also adopt the interchange differential speed motor;
Different velocity motor drive system for electric car of the present invention, can be driven rear axle shaft 8 by the differential rotor rotation of motor rotates, and the wheel that drives two ends by rear axle shaft 8 travels, its noiselessness simple in structure, realized the incorporate purpose of motor and back axle chassis of electric car, made the chassis of electric bus in transmission, reduce resistance, can improve the existing electric bus speed of a motor vehicle again, reduce noise, it is simple in structure, easy operating.
Four, description of drawings:
Fig. 1: the present invention adopts the different velocity motor drive system structural representation of brush;
Fig. 2: the present invention adopts brushless permanent magnetism different velocity motor drive system structural representation;
Fig. 3: the present invention adopts and exchanges the different velocity motor drive system structural representation.
Compensating-gear shaft in the drawings, 1, motor stator, 2, rotor, 3,, 4, planetary wheel, 5, brush, 6, the rear axle shaft gear, 7, motor bearings, 8, rear axle shaft, 9, the motor side cover, 10, the rear axle shaft oil sealing, 11, brake disc, 12, electric machine casing, 13, the spindle nose oil sealing, 14, rear-axle tube, 15, oil sealing, 16, fan, 17, motor shaft, 18, the motor p-m rotor, 19, AC motor rotor.
Five, concrete embodiment:
The present invention will be further described below in conjunction with accompanying drawing.
The different velocity motor drive system for electric car of above embodiment, can be driven rear axle shaft 8 by the differential rotor rotation of motor rotates, and the wheel that drives two ends by rear axle shaft 8 travels, its noiselessness simple in structure, realized the integrated purpose of differential speed motor and back axle chassis of electric car, made the chassis of electric bus in transmission, reduce resistance, can improve the existing electric bus speed of a motor vehicle again, reduce noise, it is simple in structure, easy operating.
Claims (7)
1, different velocity motor drive system for electric car, it is characterized in that: differential speed motor and electric car back axle are one, motor side cover (9) by the motor two ends is tightly connected with rear axle shaft (8), connects outputting power in regular turn to wheel by rotor (2), planetary wheel (4), rear axle shaft gear (6), rear axle shaft (8);
Motor side cover (9) is tightly connected with rear axle shaft (8), be that motor side cover (9) by the motor two ends is connected with electric machine casing (12), the interior socket rear axle shaft of motor side cover (9) (8) is arranged with rear-axle tube (14) between motor side cover (9) and the rear axle shaft (8).
2, according to the described different velocity motor drive system for electric car of claim 1, it is characterized in that in the housing (12) of described motor that cover in regular turn is equipped with the planetary wheel (4) of motor stator (1), rotor (2), socket compensating-gear shaft (3), planetary wheel (4) and meshing connection of rear axle shaft gear (6).
3, according to the described different velocity motor drive system for electric car of claim 1, it is characterized in that described motor side cover (9) is connected with brake disc (11), the exterior rear-axle tube of rear axle shaft (8) (14) outer end is provided with oil sealing (13) and is connected with brake disc (11), rear-axle tube (14) sealing.
4, according to the described different velocity motor drive system for electric car of claim 1, the inner that it is characterized in that described rear axle shaft (8) is inserted in the rotor (2) and is connected with rear axle shaft gear (6), the inner outer cover of rear axle shaft (8) is connected to motor shaft (17), the outer socket motor bearings of motor shaft (17) (7), motor shaft (17) is connected by rear axle shaft oil sealing (10) sealing with the junction of rear-axle tube (14) the inner.
5,, it is characterized in that described differential speed motor is the brushless permanent magnet DC motor according to the described different velocity motor drive system for electric car of claim 1.
6,, it is characterized in that described differential speed motor is for exchanging differential speed motor according to the described different velocity motor drive system for electric car of claim 1.
7, according to the described different velocity motor drive system for electric car of claim 1, it is characterized in that the outer fan (16) that is provided with heat transmission of motor stator (1), rotor (2) in the described electric machine casing (12), rotor (2) is gone up seam and is provided with oil sealing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710014164XA CN100515816C (en) | 2007-04-06 | 2007-04-06 | Different velocity motor drive system for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710014164XA CN100515816C (en) | 2007-04-06 | 2007-04-06 | Different velocity motor drive system for electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101032921A CN101032921A (en) | 2007-09-12 |
| CN100515816C true CN100515816C (en) | 2009-07-22 |
Family
ID=38729729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710014164XA Active CN100515816C (en) | 2007-04-06 | 2007-04-06 | Different velocity motor drive system for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100515816C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136785B (en) * | 2011-03-28 | 2013-01-30 | 罗丙伍 | Environment-friendly high-efficiency energy-saving generator |
| CN102136784B (en) * | 2011-03-28 | 2013-02-13 | 罗丙伍 | Environment-friendly high-efficiency energy-saving generator |
| CN103692892A (en) * | 2013-12-04 | 2014-04-02 | 张�杰 | Power device for direct-driving axle of electric vehicle |
| CN105291698A (en) * | 2014-06-23 | 2016-02-03 | 杨皓捷 | Hollow motor and hollow motor electromobile rear axle |
| CN112928859A (en) * | 2021-01-21 | 2021-06-08 | 清研众智测试技术（天津）有限公司 | Differential function rotor and driving motor |
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2007
- 2007-04-06 CN CNB200710014164XA patent/CN100515816C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101032921A (en) | 2007-09-12 |
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