Simulation test device for supercritical fluid drilling

The utility model relates to the technical field of supercritical fluid drills, in particular to a simulation test device for a supercritical fluid drill, which comprises a vehicle body, the top of the vehicle body is fixedly connected with a control chamber, one side of the control chamber is provided with two support assemblies, and the tops of the two support assemblies are respectively provided with a U-shaped fixing plate; the servo motor rotates to drive the driving shaft to rotate, the driving shaft rotates to drive the threaded pipe to rotate through the two driving bevel gears, the threaded pipe rotates to drive the sliding seat to move in the length direction of the threaded rod, the sliding seat moves the electric fixing block, the fixing rod moves, and the fixing block moves to drive the servo motor to move. And meanwhile, a servo motor rotates to drive a fixing rod to rotate through two rotating bevel gears, the fixing rod rotates to drive a drill bit to rotate, the drill bit rotates to conduct d