摘要：【中文】本发明涉及一种用于控制阀的气动致动器，其具有工作活塞，该工作活塞沿着运动轴线可移动地容纳在气缸壳体中并且与气缸壳体一起界定可变尺寸的工作空间并且该工作活塞连接到沿着运动轴线延伸的活塞杆，气缸壳体包括具有套管形第一活塞杆引导件的第一外部主体和具有套管形第二活塞杆引导件的第二外部主体，其中两个活塞杆引导件沿着运动轴线布置成彼此间隔开并且被设计成用于活塞杆的可线性移动引导，工作空间由第一外部主体和第二外部主体约束，并且活塞杆穿过汽缸壳体的端部。根据本发明，规定活塞杆设置有密封装置，以便与相关联的活塞杆引导件形成密封连接。 【EN】The invention relates to a pneumatic actuator for a control valve, having a working piston which is accommodated displaceably along a movement axis in a cylinder housing and which, together with the cylinder housing, delimits a working space of variable size and which is connected to a piston rod extending along the movement axis, the cylinder housing comprising a first outer body with a sleeve-shaped first piston rod guide and a second outer body with a sleeve-shaped second piston rod guide, wherein the two piston rod guides are arranged spaced apart from one another along the movement axis and are designed for linearly displaceable guidance of the piston rod, the working space being bounded by the first outer body and the second outer body, and the piston rod passing through an end of the cylinder housing. According to the invention, it is provided that the piston rod is provided with sealing means in order to form a sealing connection with the associated piston rod guide.

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.