Rotary drilling tool and rotary drilling machine for exploration

The utility model discloses a rotary drilling tool and a rotary drilling machine for exploration. The rotary drilling tool for exploration comprises pushing boards, a connecting block, a cylindrical barrel, an exploring tube and multiple drilling teeth, wherein the connecting block is fixedly connected over the top board; the cylindrical barrel is fixedly connected under the top board; the exploring tube shares the same shaft with the cylindrical barrel; the exploring tube is further fixedly connected with the top board; one end of the exploring tube extends out of the cylindrical barrel; and the drilling teeth are arranged on the bottom of the exploring tube. After the designated drilling depth is reached by the rotary drilling tool and rotary drilling machine in karst geological condition, the rotary drilling tool and drilling machine can further determine whether karst cave exists or not in close distance below the designated drilling depth, thereby further guaranteeing safety and reliability of pile found