The invention discloses a hybrid power speed change mechanism and a speed change method for a commercial vehicle. The speed change mechanism comprises an engine crankshaft; the input shaft is located at one end of the engine crankshaft, and the engine crankshaft is connected with the input shaft through a torsion damper; the planetary system is connected with the input shaft and comprises a sun gear, a planet carrier and a gear ring; the planet carrier is connected with the input shaft, and the gear ring is connected with a gear ring output shaft; the gear system is connected with the planetary system; the electric driving system is connected with the gear system; the invention provides a hybrid power speed change mechanism, which fills the blank of domestic medium and heavy truck automatic gearboxes, adopts a hybrid power structure, can save oil under all working conditions, has no mileage anxiety of pure electric products, adopts a pneumatic or cam mechanism to shift gears, is reliable in gear shifting and low in cost, adopts a mechanical pump and an electronic pump to jointly provide cooling lubricating oil, and has the advantages of low cost and high efficiency. The mechanical pump supplies oil at low temperature, the electronic pump supplies oil at ordinary times, the oil supply system is reliable, and the system efficiency is high.

    本发明公开了一种商用车混合动力变速机构及变速方法,所述变速机构包括:发动机曲轴;输入轴,位于所述发动机曲轴一端,所述发动机曲轴通过扭转减振器与输入轴连接;行星系统,与所述输入轴连接,包括太阳轮、行星架、齿圈;所述行星架与所述输入轴连接,所述齿圈上连接有齿圈输出轴;齿轮系统,与所述行星系统连接;电驱动系统,与所述齿轮系统连接;本发明提供了一款混合动力变速机构,其填补了国内中重卡自动变速箱空白,混合动力结构,可以全工况节油,并且无纯电动产品的里程焦虑,采用气动或凸轮机构换挡,换挡可靠、成本低,采用机械泵和电子泵共同提供冷却润滑油,低温时机械泵供油,平时电子泵供油,供油系统可靠,且系统效率高。


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    Titel :

    Hybrid power speed change mechanism and speed change method for commercial vehicle


    Weitere Titelangaben:

    一种商用车混合动力变速机构及变速方法


    Beteiligte:
    ZHI FENG (Autor:in) / ZHANG DAOYUAN (Autor:in)

    Erscheinungsdatum :

    2023-09-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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



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