Disclosed herein is a steer-by-wire type steering actuator. In accordance with one aspect of the present disclosure, a steering actuator may include: a first reducer including a worm configured to rotate by receiving a rotational force of a motor and a worm wheel configured to rotate in engagement with the worm; a pinion shaft coupled to a center of the worm wheel and configured to rotate together with the worm wheel; a second reducer including a first gear formed on the pinion shaft, and an output shaft configured to operate a pitman arm while rotating by receiving a rotational force through a second gear engaged with the first gear; a first gear housing configured to receive the worm and coupled to the motor; a second gear housing provided with a first mounter for receiving and mounting the pinion shaft and a second mounter formed apart to communicate with the first mounter and configured to receive and mount the output shaft, and coupled to the first gear housing; and a holder configured to rotatably support the pinion shaft and having a rotational center axis eccentric with respect to a central axis of the pinion shaft to adjust an axial distance between the pinion shaft and the output shaft.
STEERING ACTUATOR AND INITIAL FREE PLAY ADJUSTMENT METHOD BETWEEN REDUCER GEARS OF STEERING ACTUATOR
2023-12-21
Patent
Electronic Resource
English
European Patent Office | 2023
|Springer Verlag | 2015
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