Unmanned aerial vehicle slow descent releasing device and winding mechanism thereof

The utility model discloses an unmanned aerial vehicle slow descent putting device and a coiling mechanism thereof, the coiling mechanism comprises two vertical and mutually opposite mounting plates, a roller, a guide wheel, a guide shaft and a rotation driving piece, the roller, the guide wheel, the guide shaft and the rotation driving piece are arranged between the two mounting plates, and two ends of the roller are correspondingly connected to two mutually opposite sides of the two mounting plates; the two ends of the guide shaft are correspondingly connected to the two opposite sides of the two mounting plates, the guide wheel is arranged on the guide shaft in a surrounding mode, the guide wheel can move in the axial direction of the guide shaft and can rotate relative to the guide shaft, the guide wheel is used for guiding a rope, and the rotation driving part is used for driving the roller to rotate so as to wind the rope. According to the utility model, the guide wheel can move along the axial directio