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发明公开
CN104979640A 射电望远镜中心受压促动器及其支撑装置 失效 - 权利终止

射电望远镜中心受压促动器及其支撑装置
摘要：
本发明公开了一种射电望远镜中心受压促动器及其支撑装置，包括促动器，所述促动器设置有活塞杆，所述活塞杆上端连接节点盘，所述促动器的常态为受压状态；若干块反射面单元的顶角压靠在所述节点盘上；所述促动器安装在支撑架上，所述支撑架顶端设置有支撑座，底端设置有底座，中部设置限位板，所述促动器通过支撑轴安装在所述支撑座上，所述促动器下方设置有限位杆与所述限位板配合从而限制所述促动器的位置，所述节点盘、促动器和支撑架组成一个支撑模块。
摘要（英）：

The present invention discloses a radio telescope center compression actuator and a support device thereof, which comprise an actuator. The actuator is provided with a piston rod. The upper end of the piston rod is connected with a node disc. The compression state is adopted as the normal state of the actuator. The top corners of a plurality of reflective surface units press against the node disc. The actuator is mounted on a support frame. The top end of the support frame is provided with a support seat. The bottom end of the support frame is provided with a base. The middle part of the support frame is provided with a position-limiting plate. The actuator is mounted onto the support seat through a support shaft. A position-limiting rod matched with the position-limiting plate is arranged below the actuator, so as to limit the position of the actuator. The node disc, the actuator and the support frame together form a support module.

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