| 摘要 |
FIELD: fishing facilities. ^ SUBSTANCE: ice-pick is designed for drilling holes in ice. Proposed ice-pick has auger-knife part consisting of hollow shaft to one end faces of which crossmember with removable knives is welded. One screw blade is welded to shaft surface from side of crossmember. Extension shaft is detachably connected to second end face of shaft and reduction gear with tubular head in which hand electric drill is detachably connected or screw driver and to which handle is fastened. Taper shank of electric drill is taper-fitted in end face hole of input shaft of reduction gear, also provided with cross hole. Input shaft of reduction gear consists of single-start worm and gear wheel connected to form screw joint with crossing axes, being connected with electric drill through adapter member, one end of which is detachably clamped in drill chuck. Tubular head is provided with compensating ring over inner diameter from side of drill. Head is furnished with two shackles and tension belt for drill over outer diameter. ^ EFFECT: possibility of use both home-made and foreign-make drills and screw drivers with ice-pick. ^ 5 cl, 6 dwg |
