Multifunctional surveying and mapping unmanned aerial vehicle

The invention relates to the field of surveying and mapping unmanned aerial vehicles, and discloses a multifunctional surveying and mapping unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a supporting mechanism is arranged at the lower end of the unmanned aerial vehicle body and used for supporting the unmanned aerial vehicle body, the supporting mechanism comprises a supporting frame, and an air bag box is installed at the lower end of the supporting frame; a mounting groove is formed in the upper end of the air bag box, the mounting groove corresponds to the lower end of the supporting frame and is connected with the lower end of the supporting frame in an inserted mode, and a clamping groove is formed in the inner side of the mounting groove. The unmanned aerial vehicle can land on the water surface under emergency or special conditions by adopting a method of additionally arranging the air bag box at the lower end of the supporting frame, and meanwhile, the equipment can replace a