a locking mechanism
A technology of locking mechanism and locking mechanism, which is applied in the directions of motor vehicles, space navigation equipment, space navigation aircraft, etc., to achieve the effect of reliable deployment and locking and improving stability
Active Publication Date: 2016-08-24
BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
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Problems solved by technology
The landing buffer device is an important part of the spacecraft recovery and landing system. This technology is of great significance for achieving soft landings on celestial bodies such as the moon and Mars. The automatic deployment and locking of the landing buffer device through mechanical means is its follow-up work The key to the technology in this field is rarely reported
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[0020] Since the lunar surface lander needs to withstand a large impact when landing on the surface of the moon, especially when the landing module is a manned landing module or a landing module equipped with precision instruments, it is necessary to adopt a buffer structure to reduce the impact during landing , to ensure the safety of personnel and the normal operation of precision instruments; the deployment locking mechanism of the landing buffer device of the present invention can effectively reduce the impact force when landing; the deployment locking mechanism can further buffer the impact force of landing due to the use of cross brackets, and at the same time, Deploying the locking structure of the locking mechanism can enable the buffer device to be deployed and lock the entire structure to ensure stable support.
[0021] The present invention will be further described below in conjunction with accompanying drawing.
[0022] figure 1 It is a schematic diagram of the r...
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An unfolding and locking mechanism is used for unfolding and locking of a lunar surface lunar landing module, and comprises an unfolding structure and a locking structure. The unfolding structure comprises a vortex coil spring used for providing unfolding power, a rotating wheel, a vortex coil spring shaft, a transmission mechanism and a limiting hook, wherein the vortex coil spring is connected with the vortex coil spring shaft through the rotating wheel, and the vertex coil spring shaft is connected with the transmission structure and the limiting hook. The transmission structure transmits the driving force of the vortex coil spring to an unfolding rack, and the unfolding rack pushes an unfolded part to be unfolded. Meanwhile, the unfolding rack is further provided with a swiveling lever, and a limiting pin is arranged at the end of the swiveling lever. When the vortex coil spring moves, the limiting pin of the swiveling lever moves towards a locking mechanism, after the limiting hook rotates by a certain angle, the hook-shaped part of the limiting hook can be clamped into an opening of a clamping pin shaft, and the locking mechanism is triggered. At the moment, the limiting pin of the swiveling lever just rotates within the capture range of the locking mechanism, and the limiting pin is locked by the locking mechanism. According to the unfolding and locking mechanism, the landing module can be stably unfolded and locked effectively.
Description
technical field [0001] The invention relates to an unfolding locking mechanism for a lunar landing buffer device, and belongs to the technical field of spacecraft structural mechanism design. Background technique [0002] The landing buffer device is a mechanical system used to absorb mechanical energy when a landing spacecraft (lander) lands, reduce the impact overload of landing, and finally make the lander safely land on the surface of the celestial body with a certain landing attitude. The landing buffer device is an important part of the spacecraft recovery and landing system. This technology is of great significance for achieving soft landings on celestial bodies such as the moon and Mars. The automatic deployment and locking of the landing buffer device through mechanical means is its follow-up work The key to this technology is rarely reported. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an unfolding...
Claims
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IPC IPC(8): B64G1/22
Inventor 王磊王永滨蒋万松黄伟
Owner BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH