Intelligent livestock weighing system device based on Internet of Things

The utility model discloses an intelligent livestock weighing system device based on the Internet of Things, which comprises a supporting plate, a weighing disc is fixedly arranged in the middle of the supporting plate, a weighing sensor is arranged in the weighing disc, supporting columns are fixedly arranged at four corners of the top end of the supporting plate, and the top ends of the four supporting columns are fixedly connected with a top plate through supporting rods. A photoelectric sensor is arranged in the middle of each supporting column, every two adjacent supporting columns are fixedly connected through a connecting column, door frames are fixedly arranged in the middles of the supporting columns located on the two sides, and limiting assemblies are arranged in the two door frames. Signals are transmitted to the PLC to control hydraulic rods of the two multi-stage hydraulic cylinders to stretch out and draw back and control opening and closing of the two door plates, so that orderly weighing of t