The invention discloses a two-gear gearbox for unpowered interruption gear shifting of an electric vehicle and relates to the technical field of electric vehicle transmission. The two-gear gearbox comprises an input shaft, a first-gear pair mechanism, a second-gear pair mechanism, a friction clutch, an empty sleeve shaft, an output shaft, an overrun clutch mechanism and a gear sleeve mechanism; the first-gear pair mechanism is mounted on the input shaft and the output shaft; the second-gear pair mechanism is mounted on the empty sleeve shaft and the output shaft; the overrun clutch is mounted on the output shaft; the gear sleeve mechanism is arranged between the output end of a first-gear pair and the output end of a second-gear pair; the gear sleeve mechanism is slidably connected with the output shaft through a spline; the overrun clutch is fixedly connected with the first-gear pair mechanism; the empty sleeve shaft is arranged on the input shaft in a sleeving mode and rotatably connected with the input shaft; and one side of the empty sleeve shaft is fixedly connected with the second-gear pair mechanism, and the other side of the empty sleeve shaft is fixedly connected with the friction clutch. According to the two-gear gearbox, gear shifting is smooth, low-speed first-gear reverse gear can be achieved, braking energy is recycled, and the two-gear gearbox has good market prospects.

    本发明公开了一种电动车无动力中断换挡的两挡变速箱,涉及电动汽车传动技术领域。包括输入轴、一挡齿轮副机构、二挡齿轮副机构、摩擦离合器、空套轴、输出轴、超越离合器机构和齿套机构,一挡齿轮副机构安装在输入轴和输出轴上,二挡齿轮副机构安装在空套轴和输出轴上,超越离合器安装在输出轴上,齿套机构设置于一挡齿轮副的输出端与二挡齿轮副的输出端之间,齿套机构与输出轴通过花键滑动连接,超越离合器与一挡齿轮副机构固定连接,空套轴套设在输入轴上,空套轴与输入轴转动连接,空套轴的一侧与二挡齿轮副机构固定连接,空套轴的另一侧与所述摩擦离合器固定连接。本发明换挡平顺,能够实现低速一挡倒挡,制动能量回收,具有良好的市场前景。


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    Titel :

    Two-gear gearbox for unpowered interruption gear shifting of electric vehicle and control method of two-gear gearbox


    Weitere Titelangaben:

    一种电动车无动力中断换挡的两挡变速箱及其控制方法


    Beteiligte:
    ZHANG CHAO (Autor:in) / SHI WENTONG (Autor:in) / CAI WENQI (Autor:in) / GAO BINGZHAO (Autor:in)

    Erscheinungsdatum :

    2021-11-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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