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Apparatus for Guiding a Bit for Notched Blasthole
Apparatus for Guiding a Bit for Notched Blasthole
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机译：用于引导带缺口爆破孔的钻头的装置
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摘要
The subject innovation is a device for guiding the blasting common bit, is connected to a rock drill comprising a drill jumbo or the like, has an upper body portion is recessed so as to communicate the load side is formed is formed with a plurality of fastening holes of the rock drill; Is fixed to the front central portion of the body, guide portion for guiding a drilling bit and proceeding bit of notches formed for paths to the load of the rock drill; And is fixed to a front lower portion of the body, and properly guides the drilling bit, and the notch forming bit for connected to a rock drill provided with the like in contact with the workpiece, the drill jumbo through a guide device consisting of including support for supporting the body to reliably and it will allow the hands to form the desired sipge blasters and notches.
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