摘要：【中文】本申请公开了一种装夹装置以及利用夹臂来装夹工件的方法。装夹装置包括：夹臂（5），用于夹紧工件；旋转机构，用于带动所述夹臂（5）旋转；夹紧机构，用于提供夹紧力给所述夹臂（5）；以及壳体（13），用于容纳所述旋转机构和所述夹紧机构；其中，所述旋转机构和所述夹紧机构设计成功能彼此独立。根据本发明的装夹装置能够方便地装夹工件。 【EN】The application discloses a clamping device and a method for clamping a workpiece by utilizing a clamping arm. The clamping device includes: the clamping arm (5) is used for clamping a workpiece; the rotating mechanism is used for driving the clamping arm (5) to rotate; the clamping mechanism is used for providing clamping force to the clamping arm (5); and a housing (13) for accommodating the rotation mechanism and the clamping mechanism; wherein the rotation mechanism and the clamping mechanism are designed to be functionally independent of each other. The clamping device can conveniently clamp the workpiece.