Porous drill with adjustable hole distance

The utility model relates to the field of drilling equipment, in particular to a pitch-adjustable multi-hole drill, which comprises a fixed support provided with a motor and a lifting platform. The lifting platform is connected to the fixing support in a sliding mode. A speed reducer is installed at the lower end of the motor and connected to the adjusting wheel through a universal coupling. The adjusting wheel is rotationally fixed to the lifting platform, four adjustable drilling shafts distributed in a rectangular array mode are rotationally fixed to the lifting platform, the adjustable drilling shafts are limited through nuts, the adjustable drilling shafts and the adjusting wheel are in linkage through a belt, and drill bits are installed at the lower ends of the adjustable drilling shafts. A lifting manual rod is rotationally fixed to the fixing support, and the lifting platform and the lifting manual rod are rotationally fixed through a fixing shaft. The four adjustable drill spindles are connected in