ZEMLYAKOV'S ICE AXE WITH ELECTRIC DRIVE FROM ACCUMULATOR Russian patent published in 2009 - IPC F25C5/02 A63B29/08 

FIELD: machine building.

SUBSTANCE: ice bore with accumulator electric drive comprises reduction gear with inlet and outlet shafts, auger-knife part, which consists of hollow shaft, to one of ends of which crossbeam with detachable legs is welded, one helical blade is welded to shaft surface from the side of crossbeam, and the second end of shaft equipped with drop arm has extension shaft and reduction gear with additional handle detachably fixed to it, and body of reduction gear from the side of inlet shaft of reduction gear is equipped with adapter tubular nozzle. Accumulator belongs to screwdriver, and inlet and outlet shafts of single-stage reduction gear with spur and helical wheels are parallel to each other and are located in the same plane. Nozzle serves for fixation of screwdriver body to inlet shaft of reduction gear and installation of its drive cartridge with additional fixation by coupling belt, at that additional shaft has size that does not exceed half of auger-knife part length, and additional handle is located on reduction gear body above end of its outlet shaft, above its axis, or near.

EFFECT: increased efficiency of drilling, reduced weight of drilling device and fisherman fatigability and reduced prime cost of ice bore.

1 dwg