Portable sampling drilling machine

The utility model relates to a portable sampling drilling machine which comprises a power machine, a reduction gearbox, a handheld frame, an accelerator controller, an accelerator stay wire, a water jacket, a drilling rod, a drill and a water feeder, wherein the power machine is connected with the reduction gearbox in a transmission mode, the handheld frame is fixed at the bottom of the reduction gearbox, the accelerator controller is fixed on one side of the handheld frame, the accelerator controller is connected with an accelerator of the power machine through the accelerator stay wire, an output shaft stretches out of the lower end of the reduction gearbox, the water jacket is sleeved on the output shaft and fixed at the bottom of a gearbox, a water nozzle is fixed on one side of the water jacket, the water nozzle is connected with the water feeder through a water pipe, the drilling rod is fixed at the lower end of the output shaft, and the drill is fixed at the lower end of the drilling rod. A small gasol