A self-driven and adaptive-gait wearable knee-joint walking assistance device, comprising: a left-foot power output component (1); a right-foot power output component (2); a left knee joint assistance execution component (3); a right knee joint assistance execution component (4); and a drive power transmission device. The device is based on the lever principle and a slider-crank mechanism, and utilizes a manner of operation combining an ipsilateral parallel drive input with a contralateral cross drive input. Human bodyweight is used as a driving force during a walking process, so as to enable the left-foot power output component (1) to provide an extending tensile force for the left knee joint assistance execution component (3), and provide a bending tensile force for the right knee joint assistance execution component (4); the right-foot power output component (2) provides an extending tensile force for the right knee joint assistance execution component (4), and provides a bending tensile force for the left knee joint assistance execution component (3), such that the device generates twisting moments for assisting the left and the right knee joints to bend and extend according to a rhythm of a gait cycle during the walking process, thus achieving the purpose of walking assistance.
SELF-DRIVEN AND ADAPTIVE-GAIT WEARABLE KNEE-JOINT WALKING ASSISTANCE DEVICE