Drilling machine

The invention discloses a drilling machine which comprises a drilling machine assembly, a braking assembly is arranged at the drilling end of the drilling machine assembly, cleaning assemblies are arranged on the two sides of the bottom end of the drilling machine assembly, filter pressing assemblies are arranged at the bottoms of the cleaning assemblies, the braking assembly comprises a fixing cylinder, and evenly-distributed cavity elastic membranes are fixedly installed at the bottom end of the fixing cylinder. The air inlet end of each cavity elastic membrane is fixedly connected with an air inlet pipe, the air inlet pipe is fixedly connected with an air pump, the air pump is fixedly connected with the front end of the machine head, the cavity elastic membranes are communicated with one another through communicating pipes, and the exhaust end of each cavity elastic membrane is fixedly connected with an exhaust pipe; the base is movably connected with a push plate through a sliding rail, the drilling machi