Rotary actuator

The invention discloses a rotary actuator, which belongs to the technical field of actuators. The rotary actuator mainly comprises a box body, a servo motor, a planetary mechanism and a gear set, wherein the planetary mechanism comprises a planet carrier rotationally connected to the box body, the planet carrier is provided with an output end used for being connected with a load in a matched mode, and the gear set is used for connecting the servo motor with the planetary mechanism through gear transmission so as to drive the output end to rotate. The rotary actuator can meet the requirement for high output rotating speed. 本发明公开了一种回转执行器，属于执行器技术领域。主要包括箱体、伺服电机、行星机构以及齿轮组，行星机构包括转动连接于箱体上的行星架，行星架上设有用于与负载配合相连的输出端，齿轮组用于通过齿轮传动将伺服电机与行星机构连接，以驱动输出端转动。本发明的回转执行器，能够满足高输出转速的要求。