Double-motor coupling driving system
A coupling drive and dual power technology, applied in the direction of power devices, electric power devices, control devices, etc., can solve the problems of long shifting time and shifting impact, achieve the simplification of the transmission system, improve the transmission efficiency, and avoid the shifting time long effect
Active Publication Date: 2015-04-29
BIT HUACHUANG ELECTRIC VEHICLE TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a dual power coupling drive system, which avoids the problems of shifting impact and long shifting time when using AMT, and overcomes the above-mentioned shortcomings in the current prior art
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[0011] Such as figure 1 As shown, a dual power coupling drive system described in the embodiment of the present invention includes a main drive motor 1, an auxiliary drive motor 2 and a differential case 3, and the main drive motor 1 is connected to a transmission gear 5 through an output shaft one 4 connection, the transmission gear 5 is meshed with the drive gear on the differential case 3, and one side of the differential case 3 is provided with a one-way clutch 6, and the right half of the one-way clutch 6 is fixedly connected with the differential case 3, The one-way clutch 6 is connected with the auxiliary drive motor 2 through the transmission shaft 7. The planetary gear 8 is arranged inside the differential case 3, and the planetary gear 8 is meshed with the left side shaft gear 9 and the right side side shaft gear 10 respectively. The side side gear 9 is connected with the one-way clutch 6 through the transmission shaft 7, and the right side side gear 10 is connected ...
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The invention relates to a double-motor coupling driving system, which comprises a main driving motor, an auxiliary driving motor and a differential carrier. The main driving motor is connected with a transmission gear by an output shaft, the transmission gear is in meshed connection with a driving gear on the differential carrier, a one-way clutch is arranged on one side of the differential carrier, the right half portion of the one-way clutch is fixedly connected with the differential carrier, the one-way clutch is connected with the auxiliary driving motor by a transmission shaft, a planet gear is disposed in the differential carrier and is respectively in meshed connection with a left-side half axle gear and a right-side half axle gear, the left-side half axle gear is connected with the one-way clutch by the transmission shaft, and the right-side half axle gear is connected with an axle by another output shaft. The double-motor coupling driving system has the advantages that requirements on maximum speed and maximum climbing capacity of a vehicle can be met while a gearbox is omitted, a transmission system is simplified, and simultaneously, problems of long shifting time, shifting impact and difficult shifting when the gearbox is adopted are avoided.
Description
technical field [0001] The invention relates to a dual power coupling drive system. Background technique [0002] At present, most pure electric buses are driven by a single motor, but because the drive motor cannot meet the requirements of electric vehicles on the maximum speed and maximum climbing performance at the same time, the gearbox cannot be replaced. The mechanical automatic gearbox has high transmission efficiency. The feature of simple structure is widely adopted by electric buses. The current pure electric bus realizes gear shifting through integrated control of the motor and automatic mechanical transmission (AMT). However, in actual application, it is found that there is a long shift time, obvious shift shock, and sometimes even the problem that the vehicle cannot shift during driving. Contents of the invention [0003] The purpose of the present invention is to provide a dual power coupling drive system, which avoids the problems of shifting impact and lo...
Claims
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IPC IPC(8): B60K1/02B60K17/16B60K17/02
Inventor 林程朱成索世雄
Owner BIT HUACHUANG ELECTRIC VEHICLE TECH