The invention discloses a test device for simulating cold launching takeoff of an extraterrestrial celestial body in a low-gravity environment. The test device comprises a supporting frame, a movable sliding table system, an active rope system, an ejection device and a spacecraft simulation part. The invention also discloses a test method which comprises the following steps: the motor rope combination in the vertical direction performs gravity unloading on the spacecraft simulation part, and controls the attitude of the spacecraft simulation part; when the spacecraft simulation part rises to the highest point, the position and the posture of the spacecraft simulation part are locked; the motor ropes in the horizontal direction and the vertical direction are combined to simulate thrust in the horizontal direction and thrust in the vertical direction generated when the spacecraft engine is ignited; and after the ignition duration requirement is met, the motor rope combination in the inclined direction applies braking pulling force to the spacecraft simulation part, so that the spacecraft simulation part decelerates and stops moving. According to the invention, the test verification of the ejection and ignition process of the cold launch takeoff and rising on the ground can be realized, and the stress condition and the movement condition can be effectively simulated.

    本发明公开了一种模拟地外天体低重力环境冷发射起飞的试验装置,包括支撑框架、移动滑台系统、主动绳索系统、弹射装置和航天器模拟件。本发明还公开了一种试验方法,包括:竖直方向上的电机绳索组合对航天器模拟件进行重力卸载,并控制航天器模拟件的姿态;航天器模拟件上升至最高点时,锁定航天器模拟件的位置和姿态;水平方向上和竖直方向上的电机绳索组合模拟航天器发动机点火时产生的水平方向推力和竖直方向的推力;满足点火时长要求后,倾斜方向上的电机绳索组合对航天器模拟件施加制动拉力,使航天器模拟件减速并停止运动。本发明能够实现冷发射起飞上升的弹射和点火过程在地面的试验验证,有效模拟其受力情况和运动情况。


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    Titel :

    Test device and method for simulating cold launching takeoff of extraterrestrial celestial body in low-gravity environment


    Weitere Titelangaben:

    模拟地外天体低重力环境冷发射起飞的试验装置及方法


    Beteiligte:
    SUI YI (Autor:in) / WANG YUHENG (Autor:in) / TANG XIAOQIANG (Autor:in) / LI GUANGYU (Autor:in) / HUANG WEI (Autor:in) / FANG GUANHUI (Autor:in) / ZHANG JIANYONG (Autor:in) / ZHANG HONGWEI (Autor:in)

    Erscheinungsdatum :

    2024-03-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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