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    • 1. 发明授权
    • Multiple locking device insensitive to thermal variations especially
applicable to space vehicles
    • 多个锁定装置对于特别适用于太空车辆的热变化不敏感
    • US4491289A
    • 1985-01-01
    • US458690
    • 1983-01-17
    • Christian RinnGerard Vezain
    • Christian RinnGerard Vezain
    • B64G1/22B64G1/44B64G1/66
    • B64G1/222B64G1/44B64G1/66
    • A locking device for clamping or sheaving appendices aboard a satellite during the launching phase provides for temporary locking thereof which both limits the required holding forces and authorizes multiplication of the clamping or sheaving points for each appendix while being insensitive to temperature variations. It comprises a stop catch jointed to a foot rigidly secured to the satellite structure, to ensure immobilization of the element to be temporarily locked thereby, an elbow lever hinged to the stop catch and connected to a sheaving cable, and an elastic link exerting upon the lever a force to balance the holding force exerted by the sheaving cable. The locking device remains in the locked position as long as the shearing device for cutting off the cable has not been operated. Furthermore the combination of the elbow lever and the elastic link provides means for ensuring perfect locking, even in the case of significant differential dilatations between the body of the space vehicle and the sheaving cable.
    • 在发射阶段,用于在卫星上夹紧或剪接附件的锁定装置提供临时锁定,这两者限制了所需的保持力,并且授权每个附件的夹紧或剪切点的乘法,同时对温度变化不敏感。 它包括连接到牢固地固定到卫星结构上的脚的止挡钩,以确保被暂时锁定的元件的固定,肘杆铰接到止动钩并连接到绳索,并且弹性连杆施加在 杠杆力平衡由滑轮电缆施加的保持力。 只要切断电缆的剪切装置未被操作,锁定装置保持在锁定位置。 此外,肘杆和弹性连杆的组合提供了用于确保完美锁定的装置,即使在空间车辆的主体和滑轮之间存在显着的差异扩张的情况下。