Lower limb rehabilitation training device

The invention discloses a lower limb rehabilitation training device. The lower limb rehabilitation training device comprises a fixing plate arranged in the middle of a support frame, wherein the bottom of the fixing plate drives a rotating shaft to rotate by virtue of engagement with a gear on a motor; the outer walls of the right ends of two boxes are fixedly connected with the outer wall of the rotating shaft, respectively; a first connecting arm on the end portion of which an internal tooth gear is arranged, and an external tooth gear which is engaged with the internal tooth gear and in which a second motor is mounted are arranged in the cavity of each box, wherein second connecting arms are mounted on the side surfaces of the external tooth gear, the right end of the first connecting arm is connected with the sidewall of the box by use of a horizontal hinged shaft, and the left ends of the second connecting arms are arranged on the upper parts of the front and rear two sidewalls of the box by use of sliding shafts; fixed pulleys are arranged on the upper part and the middle part of a support arranged on the left end of the support frame; pulling ropes are fixed connected to the left ends of the second connecting arms, and the other ends of the pulling ropes go through the fixed pulley on the upper part of the support and are connected to connecting rods with handles on the sidewalls of the right end and the left end of the fixing plate, respectively; the lower limb rehabilitation training device of such a structure is capable of preventing muscle atrophy and ankyloses and also capable of realizing multi-aspect rehabilitation training.