Passive switching anti-skid foot

The invention relates to the technical field of quadruped robots, and discloses a passive switching anti-skid foot which comprises a foot end base, a main foot base, a buckle assembly, a slippage detection assembly and a reset assembly, the main foot base comprises an arc plate and a flat plate with the surfaces connected, and a mounting boss located between the arc plate and the flat plate, and the surfaces of the arc plate and the flat plate are rough; the foot end base is arranged on the mounting boss and can rotate; the foot end base matches a flat plate in an abutting manner, and a buckle assembly and a reset assembly are arranged between the foot end base and the arc plate; the foot end base is provided with a slippage detection assembly used for driving the whole anti-skid foot to slip and controlling the buckle assembly to work when slippage reaches a set threshold value; the buckle assembly controls the main foot base to rotate, and the surfaces of the arc plate and the flat plate are switched to mak