Special robot folding and unfolding device and special robot

The invention discloses a specialized robot folding and unfolding device and a specialized robot. The specialized robot folding and unfolding device comprises a seat body, a driving gear, a steering arm, a rack, a connecting rod mechanism and a connecting rod driver, and the driving gear is rotationally assembled on the seat body; one end of the steering arm is rotationally assembled with the seat body and meshed with the driving gear, and the rack is fixed at the other end of the steering arm; the connecting rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod, the power conversion device comprises a rotor wing and a wheel set, and the axial direction of the fourth connecting rod is coaxial with the axial direction of the rotor wing and the wheel set; the connecting rod drive is assembled between the rack and the connecting rod mechanism. By means of the folding and unfolding device, the specialized robot can have