论文部分内容阅读
大型空间展开机构在微重力环境工作,自身不具备克服地面重力展开的能力,在地面进行展开试验验证时,需对机构进行重力卸载。套筒驱动的大型可展收柔性太阳翼存在在轨展开步骤多路径复杂、活动部件多、收拢构型紧凑而展开尺度大的特点,地面重力卸载难以实现。以过程无需调整航天器姿态就完成全部展开步骤为目标,利用气浮法、配重法、悬吊法等对展开过程的不同步骤设计了相应的重力卸载方案。采用特殊构型的工装解决了干涉问题,采用主动牵引的方法消除了工装引入的摩擦力。方案得到地面展开试验验证,具有工程借鉴价值。
Large-scale space agencies work in the micro-gravity environment, do not have their own ability to overcome the ground gravity launched in the ground to carry out test verification, the need for gravity off the agency. The large retractable flexible solar wing with sleeve drive has the features of complex multi-path, many moving parts in the orbit expansion step, compact folding and expanding scale, and difficult to realize ground gravity unloading. The whole process of unfolding is completed without adjusting the attitude of the spacecraft, and the corresponding gravity unloading scheme is designed by using the flotation method, the weight method and the suspension method at different steps of the unfolding process. The use of special configuration tool to solve the interference problem, the use of active traction method to eliminate the introduction of tooling friction. The program has been ground test to verify, with engineering reference value.