A linear actuation device (1) for a brake caliper (2) adapted to bias at least one brake pad (3) so as to abut it against a braking surface (4) of a brake disc (5) wherein the device comprises a motor (6) comprising a rotary drive shaft (7) and a stator (8), a harmonic drive (10) and a rotary-linear motion conversion device (12); the invention relates to a harmonic drive (10) comprising: a rotary wave generator (9), referred to as a wave generator, of a strain wave drive of said harmonic drive (10), said rotary wave generator (9) being at least partially made in one piece with said rotary drive shaft (7); a harmonic reducer (11) of the harmonic drive (10); the harmonic reducer (11) is elastically deformed and rotated by the rotating wave generator (9); rotary-linear motion conversion means adapted to convert a rotary motion into a linear motion and to bias said at least one brake pad (3) in an axial direction (A-A) so as to abut said at least one brake pad against said braking surface (4); the rotary-linear motion conversion device (12) is rotatably connected to the harmonic reducer (11).
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)、谐波传动装置(10)和旋转‑线性运动转换装置(12),该马达包括旋转驱动轴(7)和定子(8);该谐波传动装置包括:所述谐波传动装置(10)的应变波传动件的旋转波发生器(9),该旋转波发生器被称为波发生器,所述旋转波发生器(9)至少部分地与所述旋转驱动轴(7)制成为一体式;所述谐波传动装置(10)的谐波减速器(11);所述谐波减速器(11)通过所述旋转波发生器(9)而被弹性地变形并被旋转;该旋转‑线性运动转换装置适于将旋转运动变换成线性运动,且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)以可旋转的方式连接至所述谐波减速器(11)。
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
2025-03-11
Patent
Electronic Resource
Chinese
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