Flexible elbow with wrist turning function

The invention relates to the technical field of robots, in particular to a flexible elbow with a wrist turning function, a second driving device drives a first tendon rope so as to drive a rotating part to rotate, so that the elbow of the robot realizes a wrist turning action; the first driving device drives the first moving device and the second moving device to synchronously and reversely move on the first fixing frame, so that the first tendon rope is driven by the first moving device to drag the fixing shaft to swing upwards so as to realize the bending action of the elbow; the second tendon rope is driven by the second moving device to drag the fixed shaft to swing downwards so as to realize the stretching action of the elbow, namely the turning action of the elbow and the bending action and stretching action of the elbow are decoupled and do not influence each other, and the control is simple; in addition, the other end of the fixed shaft is connected with the connecting frame in a flexible swinging mod