Building engineering perforator

The utility model provides a building engineering perforator, including the drill bit, and a housing, the connecting block, including a motor, an end cap, a controller, and a cover plate, a pedestal,electric telescopic handle, the pipe removes dust, fan slot, blower fan and collection box, the drill bit sets up at the shell left end, and extend to inside the shell, the drill bit right -hand member is fixed with the connecting block, the motor is installed to the connecting block right -hand member, connecting block and motor are all installed inside the shell, the shell lower extreme is fixedwith electric telescopic handle, electric telescopic handle installs inside the base, the base sets up at the shell lower extreme, this design can highly adjusting the drill bit, the pipe that removes dust is installed at the shell left end, and extend to inside the shell, fan slot has been seted up to the shell left end, fan slot sets up at the dust removal intraduct, fan slot internally mountedhas the blower fan, it ins