新型柔索式杆束结构压紧释放装置

To fix a space manipulator or a space deployable antenna, a kind of compaction and release device is proposed which applies a flexible cable to fasten the space manipulator and release it by the heat knife. At first the compaction and release model of the mechanical flexible cable is built, and the forces of the rope at both the static load and inertial dynamic load are analyzed, then the theoretical preload of the rope which satisfies the reliable compression is obtained. Based on the mass and stiffness equivalence, the mechanical equivalent of the manipulator structure is designed, and the sinusoidal and random vibration dynamic tests are carried out. The experimental results verify the feasibility of the compaction and release device, which can be extended to the compaction and release device with a complex envelope.