Abstract
Disclosed is a simulation robot shank mechanism, where an upper portion of a shank structural member is connected between a lower portion of a knee joint power output structural member and a lower portion of a knee joint passive end structural member, a lower portion of the shank structural member is connected to an ankle cross shaft member, and the ankle cross shaft member is fixed above a foot plate assembly; a first ankle joint drive motor is fixed to a first motor mounting position, a power output end of the first ankle joint drive motor is connected to an upper portion of a first rocker arm swing member, and a lower portion of the first rocker arm swing member is connected to one side of an ankle connecting rod.