Drilling positioning device of electric hand drill

The utility model discloses an electric hand drill drilling positioning device which comprises a supporting mechanism, a drilling mechanism and an adjusting mechanism, the supporting mechanism comprises a base and a positioning mechanism arranged above the base, and the drilling mechanism is arranged on the positioning mechanism. The adjusting mechanism comprises limiting mechanisms and a transmission mechanism, the limiting mechanisms are symmetrically arranged at the front end and the rear end of the base, the transmission mechanism is arranged between the limiting mechanisms, and fixing pieces are arranged on the two sides of the lower portion of the base. The drilling equipment can adapt to positioning and drilling of surface plates and cylindrical workpieces with different diameters, meanwhile, synchronous movement of the two limiting mechanisms is achieved, and the stability and accuracy of drilling operation of the equipment on the cylindrical workpieces are guaranteed. 本实用新型公开了一种手电钻钻孔定位装置，包括支撑机构、钻孔机构和