A linear actuation device (1) for a brake caliper (2) adapted to bias at least one brake pad (3) against a brake surface (4) of a brake disc (5) wherein said device comprises: a motor (6) comprising a rotary drive shaft (7) and a stator (8); the drive shaft (7) having a tubular body (13) formed with a drive shaft interior chamber (14); said drive shaft (7) being directly and operatively connected to a harmonic drive (10) also referred to as a strain wave drive; said harmonic drive (10) being directly and operatively connected to a rotational-linear motion conversion device (12) adapted to convert a rotational motion into a linear motion; the rotational-linear motion conversion device (12) is adapted to bias the at least one brake pad (3) in an axial direction (A-A) so as to abut the at least one brake pad against the braking surface (4); the rotary-linear motion conversion device (12) is at least partially housed within the drive shaft interior chamber (14) when in the retracted position.
一种用于制动卡钳(2)的线性致动装置(1),该线性致动装置适于对至少一个制动垫(3)进行偏置以使所述至少一个制动垫抵靠制动盘(5)的制动表面(4),其中,所述装置包括:马达(6),马达包括旋转驱动轴(7)和定子(8);所述驱动轴(7)具有形成有驱动轴内部室(14)的管状本体(13);所述驱动轴(7)直接且操作性地连接至也被称为应变波传动件的谐波传动装置(10);所述谐波传动装置(10)直接且操作性地连接至旋转‑线性运动转换装置(12),旋转‑线性运动转换装置适于将旋转运动变换成线性运动;所述旋转‑线性运动转换装置(12)适于将所述至少一个制动垫(3)沿着轴向方向(A‑A)偏置以使所述至少一个制动垫抵靠所述制动表面(4);所述旋转‑线性运动转换装置(12)在处于缩回位置时至少部分地被容置在所述驱动轴内部室(14)内。
Linear actuation device for brake caliper and brake caliper having such device
制动卡钳的线性致动装置和具有所述装置的制动卡钳
2024-12-20
Patent
Electronic Resource
Chinese
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