The invention provides an electronic parking drum brake device. The electronic parking drum brake device is characterized in that a parking hub with an inner cavity is connected with a tail shaft of a hub motor; the parking mechanism is positioned in the inner cavity; the driving mechanism is located in the inner cavity, the elastic structure is connected between the first friction part and the second friction part, the locking structure is provided with a pushing assembly and a driving assembly, the first end and the second end which are opposite abut against the first friction part and the second friction part respectively, and the driving assembly is connected with the pushing assembly and can drive the pushing assembly to rotate; when the first end and the second end move to a first relative position in the direction away from each other, the first end and the second end push the first friction part and the second friction part to abut against the inner walls of the two opposite sides of the parking hub respectively. When the first end and the second end move to the second relative position in the approaching direction, the elastic structure pulls the first friction part and the second friction part to be separated from the inner walls of the two opposite sides of the parking hub correspondingly, and the problem that a drum type EPB brake affects the layout of a hub motor automobile chassis is solved.
本发明提供了一种电子驻车鼓刹装置,包括:具有内腔的驻车毂与轮毂电机的尾轴相连;位于内腔中的驻车机构;位于内腔中的驱动机构,弹性结构连接于第一摩擦部与第二摩擦部之间,锁定结构具有推动组件和驱动组件,相对的第一端和第二端分别与第一摩擦部和第二摩擦部相抵,驱动组件与推动组件相连并能带动推动组件旋转;当第一端与第二端向相远离的方向移动至第一相对位置时,第一端和第二端分别推动第一摩擦部和第二摩擦部分别与驻车毂的两相对侧的内壁抵接;当第一端与第二端向相靠近的方向移动至第二相对位置时,弹性结构分别拉动第一摩擦部和第二摩擦部与驻车毂的两相对侧的内壁分离,解决了鼓式EPB制动器影响轮毂电机汽车底盘布局的问题。
Electronic parking drum brake device
电子驻车鼓刹装置
2024-12-24
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |