Automatic floating object fishing device for coal floating and sinking experiment

The utility model provides an automatic floating object fishing device for a coal floating and sinking experiment. The automatic floating object fishing device comprises a supporting frame and an adjusting mechanism, the adjusting mechanism comprises a first servo electric cylinder, the first servo electric cylinder is fixedly installed on one side of the supporting frame, the output end of the first servo electric cylinder is connected with an adjusting rod, and one end of the adjusting rod is connected with a second servo electric cylinder; the fishing mechanism comprises a shell filter cone frame, two shell filter cone push rods, a left hopper and a right hopper, the second servo electric cylinder is connected with the shell filter cone frame, a floating and sinking barrel is arranged at the lower end of the fishing mechanism, and a floater barrel is arranged on one side of the floating and sinking barrel. According to the automatic floating object fishing device for the coal floating and sinking experimen