The invention relates to a driving transmission system of an electric automobile, in particular to a novel power device for driving a double-motor multi-mode electric automobile. The novel power device comprises a main motor, a planetary differential gear train, an auxiliary motor, a synchronizer, a rotating speed coupling gear, a torque coupling gear and a gear shifting execution mechanism, the main motor comprises a main motor shaft; the planetary differential gear train comprises a sun gear, a planet gear, a planet gear shaft, a planet carrier and a gear ring; the sun gear is fixed on a main motor shaft; the planet carrier is used for outputting power; the auxiliary motor comprises an auxiliary motor shaft, the synchronizer is fixed to the auxiliary motor shaft, the rotating speed coupling gear and the torque coupling gear are arranged at the two sides of the synchronizer respectively, the rotating speed coupling gear is meshed with the gear ring, and the torque coupling gear is meshed with the planet carrier. Combination of the synchronizer and the rotating speed coupling gear or the torque coupling gear can be achieved through the gear shifting executing mechanism. On the premise that the structure is compact, large torque can be provided, and high-efficiency operation within a wide speed range can be achieved.
本发明涉及电动汽车的驱动传动系统,具体涉及一种双电机多模式电动汽车驱动用新型动力装置,包括主电机、行星差动轮系、副电机、同步器、转速耦合齿轮、转矩耦合齿轮以及换挡执行机构;所述主电机包括主电机轴;行星差动轮系包括太阳轮、行星轮、行星轮轴、行星架和齿圈,太阳轮固定在主电机轴上;所述行星架用于输出动力;副电机包括副电机轴,同步器固定于副电机轴上,其两侧分别为转速耦合齿轮与转矩耦合齿轮,转速耦合齿轮与齿圈啮合,转矩耦合齿轮与行星架啮合;通过换挡执行机构可实现同步器与转速耦合齿轮或转矩耦合齿轮结合。本发明可以在保证结构紧凑的前提下提供大转矩,又能够实现较宽速度范围内高效率运行。
Novel power device for driving double-motor multi-mode electric automobile and automobile
一种双电机多模式电动汽车驱动用新型动力装置及汽车
2021-07-27
Patent
Electronic Resource
Chinese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16H Getriebe , GEARING |
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