Drill — an excellent universal drive for a variety of devices. In our magazine we published the suggestions of readers on how to expand the scope of this tool. Today we will talk about lawn mower, driven by the same drill.
The kinematics of this mechanical assistant gardener is very simple. The eccentric and the connecting rod converts the rotation of the shaft to reciprocating motion of a rod and associated movable knife. Last, moving relative to the stationary, cuts the stems of plants.
Now about the design. The entire device is fixed on a split flange, but the neck of the prescribed drill. Chuck with spindle removed and in its place planted the Cam. It is best to make it composite, vytachiv Central part made of aluminum, and bronze. Steel rod fixed plate, screwed to the end face of the eccentric.
The cylindrical part of the rod freely cialisit in the guide — dural bar with a through hole.