Integrated full-hydraulic down-the-hole drill

The utility model discloses an integrated full-hydraulic down-the-hole drill which comprises a down-the-hole drill body and a support arranged at the front end of the down-the-hole drill body, a drill rod is movably installed on the support, and a dust falling mechanism is arranged at the bottom of the drill rod. The dust falling mechanism comprises a dust suction cover, an exhaust fan, an air outlet pipeline, a dust suction pipeline, a dust remover, an impurity filter screen, an electric push rod, a push plate, a cleaning plate, a water storage tank, a water suction pump and a water outlet pipeline. The dust falling mechanism has the advantages that dust generated in the drilling process can be absorbed and filtered through the dust falling mechanism located at the bottom of the drill rod by the adoption of the dust hood, the dust falling function can be achieved in cooperation with the spraying head at the bottom of the round disc, the spraying head can swing in a reciprocating mode, the spraying dust falli