Novel drilling machine base fixing device

The utility model discloses a novel drilling machine base fixing device which solves the problems that a conventional drilling machine base fixing mode is large in occupied space and is not suitable for a narrow environment, and adopts the technical scheme that two identical and symmetrical fixing mechanisms are arranged at two ends of a notch, and each fixing mechanism comprises a screw rod and alimiting rod; the notch is fixedly connected with the base and located in the center of the containing space, the two ends of the screw rod are rotationally connected with the interior of the notch,the two ends of the limiting rod are fixedly connected with the interior of the notch, the screw rod is provided with two symmetrical threads opposite in rotation direction, the two threads are provided with sliding blocks matched with the threads, and the sliding blocks and the limiting rod are in coaxial clearance connection. A first transmission rod is hinged to the top of the sliding block, one end of the first transmi