Leg limiting angle adjusting mechanism for space station

The utility model discloses a leg limiting angle adjusting mechanism for a space station. The device comprises a foot rod, the foot rod is installed on a sliding sleeve rod through a rotating shaft system, the rotating shaft system comprises a cushion block, a gasket, a foot rod blocking cover and a fastening screw, the cushion block is arranged between the foot rod and the sliding sleeve rod, thefoot rod blocking cover is arranged on the outer side of the foot rod and connected with the sliding sleeve rod through the fastening screw, and the gasket is arranged between the foot rod blocking cover and the foot rod; indexing bolts are arranged at the positions, close to the rotating shaft system, of the foot rods. An index plate is arranged at the position, opposite to the index bolt, of the sliding sleeve rod, the index bolt comprises a steel sleeve fixedly connected to the foot rod, the exterior of the steel sleeve is coated with an adhesive layer, a spring is arranged in the steel sleeve, the spring is sleev