Underwater flow field sensing and detecting equipment for amphibious vehicle

The invention belongs to the technical field of underwater flow field detection, and particularly relates to underwater flow field sensing detection equipment for an amphibious vehicle, an attached seat of a telescopic data acquisition device of the underwater flow field sensing detection equipment is connected with the bottom of the amphibious vehicle through a bolt, a retainer is connected with the upper end face of the attached seat through a bolt, and a telescopic rod penetrates out of through holes of the attached seat and the retainer; meanwhile, the data acquisition box is in threaded connection with the telescopic rod, the pressure sensor is installed in a surface through hole of the data acquisition box, and the data acquisition device can move up and down through the telescopic rod; according to the displacement control device, a stepping motor is connected with a retainer through a bolt, a lead screw base is connected with the retainer through a bolt, the stepping motor is connected with a lead scr