Locking and releasing device for satellite-borne antenna

• Main Authors: MA JIWEN, GUO YUNLING, WU YUNHAO, SONG JIANHU, WANG YIHUAN, LYU XIAOJING, GONG YUSONG, ZHANG YIPO, HUANG YUANQING, MI QINGCHAO, ZHANG LIGUO, ZHANG SHUO
• Format: Patent
• Language: Chinese; English
• Published: 05.01.2021
• Subjects: AIRCRAFT; AVIATION; COSMONAUTICS; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES OR EQUIPMENT THEREFOR

The utility model discloses a locking and releasing device for a satellite-borne antenna, and belongs to the technical field of satellite-borne antennas. The device comprises an antenna support lug and a platform cabin plate of a satellite, and a threaded connection structure for connecting the antenna support lug and the platform cabin plate, wherein the threaded connection structure comprises ascrew rod, a nut made of a memory alloy, a sleeve for supporting the screw rod and a spring; the nut is covered with a nut shell, and the nut shell is fixedly arranged on the platform cabin plate; thesleeve is fixedly connected with the bottom of the antenna support lug, and the screw penetrates through the bottom of the antenna support lug, the sleeve and the nut shell and is connected with thenut; a spring stop block is fixedly arranged on the side wall of the screw rod, and the spring is arranged on the screw rod in a sleeving mode and located between the spring stop block and the bottomof the sleeve. The locking a