Quick perforating device of ceiling

The utility model relates to a quick perforating device of ceiling, it includes base, button switch, perforating device and elevating gear, perforating device fixed mounting is on elevating gear's top, the base bottom face is provided with at least three universal wheel, fixes being provided with the support on the base, and elevating gear fixed mounting is on the support, brill rifle power cord on the perforating device is connected with the button switch electricity, and button switch sets up in one side of support, the perforating device include the perforating device main part, with perforating device main part fixed connection's drill bit, the perforating device is still including the whole dust cover that is the disc, the center of dust cover diapire upwards is provided with the installation sleeve with extending, the installation sleeve overlaps the top in the perforating device main part with laminating. The utility model discloses a telescopic tube and dust cover can be sealedcompletely with drilling