Low-cost rescue type unmanned aerial vehicle

The invention discloses a low-cost rescue type unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, the low-cost rescue type unmanned aerial vehicle comprises an unmanned aerial vehicle body, the bottom end of the unmanned aerial vehicle body is rotatably connected with a rotating shaft, the bottom end of the rotating shaft is fixedly connected with a supporting seat, and a conversion assist device is arranged on the inner side of the supporting seat and used for adjusting the material conveying accuracy; the pendulum bob auxiliary part is used for retracting and releasing the power assembly. According to the device, a conversion assist device and a winding and unwinding power assembly are arranged, the output end of a fourth driving motor drives a one-way threaded lead screw to rotate, so that an extension rod is driven to drive rescue goods to transversely move, the rescue goods are conveniently conveyed to the position above a designated position, and the output end of a