Connecting frame device of unmanned aerial vehicle radar flow measurement system

The utility model relates to the technical field of hydrographic survey, in particular to a connecting frame device of an unmanned aerial vehicle radar flow measurement system, which comprises a foot stool and a signal transmission device. The foot stand is fixedly connected with the radar flow velocity meter, the buffer structure is installed between the radar flow velocity meter and the foot stand, the signal transmission device is fixedly installed on the foot stand through the adjusting bolt, the signal transmission device is in butt joint with the unmanned aerial vehicle stability augmentation platform, and the included angle between the radar flow velocity meter and the horizontal plane can be adjusted through the adjusting bolt. The radar flow velocity meter is connected with the signal transmission device in a high-sealing mode, a signal processing chip is arranged in the signal transmission device, the radar flow velocity meter is connected with the signal processing chip, and the signal processing c