Rehabilitation training device

The invention provides a rehabilitation training device, and belongs to the technical field of rehabilitation training.The rehabilitation training device is provided with a fixing frame, a locking mechanism, a gravity mechanism, a leg training mechanism, a first laser transmitter, a pull rope, a first laser receiver and a first counter; the fixing frame is of a square frame structure, an opening is formed in the front side of the fixing frame, the lower end of the fixing frame is fixed to the ground, round through holes are formed in the upper wall of the fixing frame, the number of the round through holes is two, and the locking mechanisms are arranged on the upper portions of the interiors of the round through holes. The locking mechanism comprises a locking block, an electromagnet, an ultrasonic sensor and a power source, the pull rope penetrates through a circular through hole in the upper wall of the fixing frame, and an external thread structure is arranged on the side wall of the pull rope; the problem