SHOCK ABSORBER FOR SPACECRAFT LANDER

摘要

The present invention relates to a shock absorber applying to a space landing module. According to an embodiment of the present invention, the shock absorber for a landing module comprises a first cylinder wherein a shock absorbing space is prepared; a second cylinder which is installed in the shock absorbing space in order to move along the longitudinal direction of the first cylinder, and wherein an auxiliary shock absorbing space is prepared; an elastic member which is installed in between the first and second cylinders in order to elastically support the second cylinder; and a shock absorber which is included the shock absorbing space. The shock absorber is pressed out to the auxiliary shock absorbing space from the shock absorbing space through the second cylinder during compressing of the second cylinder. According to the present invention, the shock absorber is pressed out through an orifice, and the deformation energy of the shock absorber passing through the orifice absorbs shock energy in order to be applied as a shock absorber by replacing hydraulic oil or pneumatic pressure in a gravity-free state or a low vacuum space environment. In addition, the shock absorber can maximize shock absorbing efficiency by performing a shock absorbing function, by including a ductile shock absorber and multiple elastic members inside the first and second cylinders in order to connectionally operate during the addition of impact loads.