Drill rod clamping device and hydraulic drilling machine

The invention belongs to the field of hydraulic drilling machine machinery and discloses a drill rod clamping device and a hydraulic drilling machine. The drill rod clamping device comprises a clamp base, a drill rod conveying device, a lifting oil cylinder and a clamp lifting body; the clamp base is fixedly connected to the drill rod conveying device; the lifting oil cylinder is arranged in the clamp base; a clamp lifting body is arranged above the clamp base, and a left clamping body and a right clamping body are arranged on the two sides of the clamp lifting body; the left clamping body and the right clamping body are each provided with a clamp tooth set, and the clamp tooth sets are used for clamping drill rods with different rod diameters. The clamp tooth group comprises an upper clamp tooth and a first lower clamp tooth, an upper clamp tooth barrier strip is arranged on one side of the upper clamp tooth, and a limiting plate is arranged on one side of the first lower clamp tooth. By arranging the clamp