The application discloses a lander
foot structure with a foot bottom pattern, comprising a
servo electric cylinder and a landing
system foot end, the landing
system foot end comprising an upper part, a
ground contact foot pad and other components, the upper part foot pad is made of a
metal rubber material with a
porosity gradient distribution, and is constructed into a structure through a
laser selective melting technology, and is matched with a reinforcing rib to realize
stress redistribution; the foot pad is integrated with a multi-scale
topological optimization and a functional modularization, the foot pad is divided into two functional units to disperse stress, prolongs the service life of components, the bottom surface of the
ground contact foot pad is provided with a
mixed pattern to regulate a
friction coefficient, the lander can stably stay on a special-shaped
terrain, and can actively cross a complex medium surface together with a landing leg to expand a detection space; when staying on a slope surface, components are coordinately adjusted to accurately constrain an attitude, and safety and stability are ensured; after staying, a spring
insertion rod and a telescopic liquid bag are reset to overcome reset obstacles, improve maneuverability, and when the foot pad is separated, the foot pad shakes off lunar dust to maintain performance.