Drilling tool frame of soil sampling drilling machine

The utility model discloses a drilling tool frame of a soil sampling drilling machine. The drilling tool rack is used for placing drilling tools such as a 1.5-inch drilling rod, a 2.25-inch drilling rod, a 2.25-inch double-sleeve and the like. Wherein the lifting structures are arranged on the opposite sides of the frame body respectively, and the drill rod frames are arranged in the frame body, connected to the lifting structures and vertically arranged. A drill rod groove used for containing a drill rod is formed in the upper surface of the drill rod frame. The lifting structure comprises avertically-arranged shear fork mechanism and a driving assembly for driving the shear fork mechanism to stretch out and draw back, the drill rod frames are connected to the connecting position of a rotating shaft of the shear fork mechanism and evenly distributed along the shear fork mechanism, and drill rods can be clamped and fixed through the distance between every two adjacent drill rod frames. All the drill rod frame