By analyzing and comparing with some design schemes about structural lock of peripheral docking system, the efficient transmission mechanism for the screw of ball bearing is selected as the executive mechanism of structural lock.

• 通过对周边式空间对接机构结构锁的各种方案的分析比较 ,确定了效率高的滚珠丝杆传动机构作为结构锁的执行机构 ;